diff --git a/content/2.defense-systems/abi2.md b/content/2.defense-systems/abi2.md
index fa06773567f82a1cdc6c64b993018258b9d6645a..2a2c25fe86cffc4d403599226ea820fda801126f 100644
--- a/content/2.defense-systems/abi2.md
+++ b/content/2.defense-systems/abi2.md
@@ -1,6 +1,6 @@
-# Abi2
-
-## Example of genomic structure
+---
+title: Abi2
+---
 
 The Abi2 system is composed of one protein: Abi\_2.
 
diff --git a/content/2.defense-systems/abia.md b/content/2.defense-systems/abia.md
index 9b1c5b6510850f0d37cf949b37a0883721186925..a212c32688031cb335dc4ff5660b6293f7542693 100644
--- a/content/2.defense-systems/abia.md
+++ b/content/2.defense-systems/abia.md
@@ -1,6 +1,6 @@
-# AbiA
-
-## Example of genomic structure
+---
+title: AbiA
+---
 
 The AbiA system have been describe in a total of 2 subsystems.
 
diff --git a/content/2.defense-systems/abib.md b/content/2.defense-systems/abib.md
index 3cf97663d4c016ddbaa69f84b36f870f6f35be68..a21572970e50cdac463a807fffe0f12fc5b11dec 100644
--- a/content/2.defense-systems/abib.md
+++ b/content/2.defense-systems/abib.md
@@ -1,6 +1,6 @@
-# AbiB
-
-## Example of genomic structure
+---
+title: AbiB
+---
 
 The AbiB system is composed of one protein: AbiB.
 
diff --git a/content/2.defense-systems/abic.md b/content/2.defense-systems/abic.md
index c76e3e8a109721eb104c95cffb15c04e5485175d..67b6d4939dacd066b11c9cdf00130e7df3e80b48 100644
--- a/content/2.defense-systems/abic.md
+++ b/content/2.defense-systems/abic.md
@@ -1,6 +1,6 @@
-# AbiC
-
-## Example of genomic structure
+---
+title: AbiC
+---
 
 The AbiC system is composed of one protein: AbiC.
 
diff --git a/content/2.defense-systems/abid.md b/content/2.defense-systems/abid.md
index 294a807bb070c9d3f52713df389f667f7de9e373..b883f7c516190ce7eb0379a152f58dd8601deb48 100644
--- a/content/2.defense-systems/abid.md
+++ b/content/2.defense-systems/abid.md
@@ -1,6 +1,6 @@
-# AbiD
-
-## Example of genomic structure
+---
+title: AbiD
+---
 
 The AbiD system is composed of one protein: AbiD.
 
diff --git a/content/2.defense-systems/abie.md b/content/2.defense-systems/abie.md
index a48951a1221ba710f1986ce06b811bfe2d1e805d..ce2f4bca0fb55e6b9385458a9ca27fa3dccbb60a 100644
--- a/content/2.defense-systems/abie.md
+++ b/content/2.defense-systems/abie.md
@@ -1,6 +1,6 @@
-# AbiE
-
-## Description
+---
+title: AbiE
+---
 
 AbiE is a family of an anti-phage defense systems. They act through a Toxin-Antitoxin mechanism, and are comprised of a pair of genes, with one gene being toxic while the other confers immunity to this toxicity. 
 
diff --git a/content/2.defense-systems/abig.md b/content/2.defense-systems/abig.md
index ae2dcd4b6246fcc2c91206cae51caa88004841e5..1b3b780bb4a8b37ae17c58144cdbfc23242cc302 100644
--- a/content/2.defense-systems/abig.md
+++ b/content/2.defense-systems/abig.md
@@ -1,6 +1,6 @@
-# AbiG
-
-## Example of genomic structure
+---
+title: AbiG
+---
 
 The AbiG system is composed of 2 proteins: AbiGi and, AbiGii.
 
diff --git a/content/2.defense-systems/abih.md b/content/2.defense-systems/abih.md
index cc1e5a6e05530278b85e6edd7659a5d607d7483b..185e7e7a5e2141d41d46c808c592f4fb51895236 100644
--- a/content/2.defense-systems/abih.md
+++ b/content/2.defense-systems/abih.md
@@ -1,4 +1,6 @@
-# AbiH
+---
+title: AbiH
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/abii.md b/content/2.defense-systems/abii.md
index 65d861f6f2d532bbb2ec6c136d24fe63c90848cb..05ce92068ed2a149a66d4b614f4163d4dbdcb676 100644
--- a/content/2.defense-systems/abii.md
+++ b/content/2.defense-systems/abii.md
@@ -1,4 +1,6 @@
-# AbiI
+---
+title: AbiI
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/abij.md b/content/2.defense-systems/abij.md
index bcd2e53c3162d54040374e3b9344d82029f5880e..198f32cc1519c121822b8a2dacf1cc561dc7f957 100644
--- a/content/2.defense-systems/abij.md
+++ b/content/2.defense-systems/abij.md
@@ -1,4 +1,6 @@
-# AbiJ
+---
+title: AbiJ
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/abik.md b/content/2.defense-systems/abik.md
index 2c7d6b2120f0af328ba0bae8293cd09a7a565325..839f449bcc7b103dc3fa78d5f2b17dc44fcc6315 100644
--- a/content/2.defense-systems/abik.md
+++ b/content/2.defense-systems/abik.md
@@ -1,4 +1,6 @@
-# AbiK
+---
+title: AbiK
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/abil.md b/content/2.defense-systems/abil.md
index dd54417a30145779b6dfc95835955cf2824bd3a1..983f8780500789561208e144149f5562a626f794 100644
--- a/content/2.defense-systems/abil.md
+++ b/content/2.defense-systems/abil.md
@@ -1,4 +1,6 @@
-# AbiL
+---
+title: AbiL
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/abin.md b/content/2.defense-systems/abin.md
index 1bcca7ab8befa6b0d295c8a3dadd7b09e39e2538..1931a637a1cf808929e37b73e725552c7e2288bd 100644
--- a/content/2.defense-systems/abin.md
+++ b/content/2.defense-systems/abin.md
@@ -1,4 +1,6 @@
-# AbiN
+---
+title: AbiN
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/abio.md b/content/2.defense-systems/abio.md
index c31419fbd0d49d45e1374f24ad4b70fc3ad97f5d..66224af798a39cb1deb8eea541b9983924c0ef9e 100644
--- a/content/2.defense-systems/abio.md
+++ b/content/2.defense-systems/abio.md
@@ -1,4 +1,6 @@
-# AbiO
+---
+title: AbiO
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/abip2.md b/content/2.defense-systems/abip2.md
index 1d70e1f43e442b78cc153646670badd45159943f..6dff3b8b9a2754678246a22ecb6d0d707e6daaa5 100644
--- a/content/2.defense-systems/abip2.md
+++ b/content/2.defense-systems/abip2.md
@@ -1,4 +1,6 @@
-# AbiP2
+---
+title: AbiP2
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/abiq.md b/content/2.defense-systems/abiq.md
index b2b6411a53d8fe5fa605b29279236dd187072f6d..aea83f8263663a6744dde0ae922206e13a491836 100644
--- a/content/2.defense-systems/abiq.md
+++ b/content/2.defense-systems/abiq.md
@@ -1,4 +1,6 @@
-# AbiQ
+---
+title: AbiQ
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/abir.md b/content/2.defense-systems/abir.md
index b1c14e6d734851e331bd64cda395316f0385122d..ffc6c775f304802c702d30aefc0ddff9211a0d6b 100644
--- a/content/2.defense-systems/abir.md
+++ b/content/2.defense-systems/abir.md
@@ -1,4 +1,6 @@
-# AbiR
+---
+title: AbiR
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/abit.md b/content/2.defense-systems/abit.md
index 8120ca6893c92436dfc585dcd0279c46869afb22..6ce67e66251881eb241dd054f05fabd741d24f84 100644
--- a/content/2.defense-systems/abit.md
+++ b/content/2.defense-systems/abit.md
@@ -1,4 +1,6 @@
-# AbiT
+---
+title: AbiT
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/abiu.md b/content/2.defense-systems/abiu.md
index 8d4f5495661f575f90f43672b5296d1056a33c8f..aff2ae21c1422157434cb11d8c32eae920f34143 100644
--- a/content/2.defense-systems/abiu.md
+++ b/content/2.defense-systems/abiu.md
@@ -1,4 +1,6 @@
-# AbiU
+---
+title: AbiU
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/abiv.md b/content/2.defense-systems/abiv.md
index ece89daf943643266e7278ab86893e86276c8b7a..22ebf6bca95c7403722f8958aedea7b79c5a83b3 100644
--- a/content/2.defense-systems/abiv.md
+++ b/content/2.defense-systems/abiv.md
@@ -1,4 +1,6 @@
-# AbiV
+---
+title: AbiV
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/abiz.md b/content/2.defense-systems/abiz.md
index b1853ff5c6a5077ffbd3ea135345004f02900a04..09dde3efa98073d8a56c634e751fbfefbd64f9fc 100644
--- a/content/2.defense-systems/abiz.md
+++ b/content/2.defense-systems/abiz.md
@@ -1,4 +1,6 @@
-# AbiZ
+---
+title: AbiZ
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/aditi.md b/content/2.defense-systems/aditi.md
index 6e5e52c334ce9f154ef90fc689852f301ce34e2b..60a83fe47ad3603fcedff8142c451d4731f8a328 100644
--- a/content/2.defense-systems/aditi.md
+++ b/content/2.defense-systems/aditi.md
@@ -1,4 +1,6 @@
-# Aditi
+---
+title: Aditi
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/avast.md b/content/2.defense-systems/avast.md
index 5e13645b18a2e38ecdbdb4d8be8982e9a0863f68..80912d7c2bec2ffdf7a78e9a32c406bc784c9aef 100644
--- a/content/2.defense-systems/avast.md
+++ b/content/2.defense-systems/avast.md
@@ -1,4 +1,6 @@
-# AVAST
+---
+title: AVAST
+---
 
 ## Description 
 AVAST (antiviral ATPases/NTPases of the STAND superfamily) is a group of anti-phage defense systems, active against some dsDNA phages. 
diff --git a/content/2.defense-systems/azaca.md b/content/2.defense-systems/azaca.md
index 0d0bc3636e3527cdfa0166000b3422b5133a573c..7f73642c6c405e340339559b3498ba75e4fd9b5e 100644
--- a/content/2.defense-systems/azaca.md
+++ b/content/2.defense-systems/azaca.md
@@ -1,4 +1,6 @@
-# Azaca
+---
+title: Azaca
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/borvo.md b/content/2.defense-systems/borvo.md
index 9db773fc75b68273dd680c6b433895dee048d6bd..69f973283f466c3ed883ccd6860e2999e0f51f28 100644
--- a/content/2.defense-systems/borvo.md
+++ b/content/2.defense-systems/borvo.md
@@ -1,4 +1,6 @@
-# Borvo
+---
+title: Borvo
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/brex.md b/content/2.defense-systems/brex.md
index 425366574c4537a9db7d15549fe2259ba7563426..43ce575f263c726cd3d8543c02ff1a440d632deb 100644
--- a/content/2.defense-systems/brex.md
+++ b/content/2.defense-systems/brex.md
@@ -1,4 +1,6 @@
-# BREX
+---
+title: BREX
+---
 
 ## Description
 
diff --git a/content/2.defense-systems/bsta.md b/content/2.defense-systems/bsta.md
index 3a82c709d96e17b0e5dd3ec48adb5f837b7fdad6..b132981bb04efad29727c9d74717d3628bb8d63c 100644
--- a/content/2.defense-systems/bsta.md
+++ b/content/2.defense-systems/bsta.md
@@ -1,4 +1,6 @@
-# BstA
+---
+title: BstA
+---
 
 ## Description
 
diff --git a/content/2.defense-systems/bunzi.md b/content/2.defense-systems/bunzi.md
index fba298d6f0c717a209be0a5f80eead514a56ae38..fa713137da7d1bc2a1023fc5d1027ca183ee30ec 100644
--- a/content/2.defense-systems/bunzi.md
+++ b/content/2.defense-systems/bunzi.md
@@ -1,4 +1,6 @@
-# Bunzi
+---
+title: Bunzi
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/caprel.md b/content/2.defense-systems/caprel.md
index ef22323075689daff04e26abbf428a85201cb684..ac155b30750d842b4ea42fd721d730a51445379d 100644
--- a/content/2.defense-systems/caprel.md
+++ b/content/2.defense-systems/caprel.md
@@ -1,4 +1,6 @@
-# CapRel
+---
+title: CapRel
+---
 
 ## Description
 
diff --git a/content/2.defense-systems/cbass.md b/content/2.defense-systems/cbass.md
index 4da59107be8d8be9c895fe95e398a9399effd290..0bca0ef50616240c25e6065c34493660b1ceed19 100644
--- a/content/2.defense-systems/cbass.md
+++ b/content/2.defense-systems/cbass.md
@@ -1,4 +1,6 @@
-# CBASS
+---
+title: CBASS
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/dartg.md b/content/2.defense-systems/dartg.md
index 5c0123e80c278d8c587912ff2644d116f12e453d..69f33f63858227e5c034d6d8d3f27fe019ccea2e 100644
--- a/content/2.defense-systems/dartg.md
+++ b/content/2.defense-systems/dartg.md
@@ -1,4 +1,6 @@
-# DarTG
+---
+title: DarTG
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/dazbog.md b/content/2.defense-systems/dazbog.md
index 54a75da2ee5cc42b8b364412585a7c2054b3504d..6b12aca83ad25d00f03876a7a312190e36a4f14a 100644
--- a/content/2.defense-systems/dazbog.md
+++ b/content/2.defense-systems/dazbog.md
@@ -1,4 +1,6 @@
-# Dazbog
+---
+title: Dazbog
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/dctpdeaminase.md b/content/2.defense-systems/dctpdeaminase.md
index b7d8811e638c4c1d098f6d9a67fef0e036180e4d..850fd7d08eef34eb7807c79d9d9644e376b677f2 100644
--- a/content/2.defense-systems/dctpdeaminase.md
+++ b/content/2.defense-systems/dctpdeaminase.md
@@ -1,4 +1,6 @@
-# dCTPdeaminase
+---
+title: dCTPdeaminase
+---
 
 ## Description
 dCTPdeaminase is a family of systems. dCTPdeaminase from Escherichia coli has been shown to provide resistance against various lytic phages when express heterologously in another Escherichia coli.
diff --git a/content/2.defense-systems/dgtpase.md b/content/2.defense-systems/dgtpase.md
index 399f256e0a5e696c158e57fabe29082c946d98b8..dbb35e955eeb9b2c367a77e271ab8bb6fd3553d3 100644
--- a/content/2.defense-systems/dgtpase.md
+++ b/content/2.defense-systems/dgtpase.md
@@ -1,6 +1,8 @@
 ---
 title: dGTPase
 ---
+title: dGTPase
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/disarm.md b/content/2.defense-systems/disarm.md
index eedb3ad3c9ad2edd3295c6d4519a84bbdb8821c2..d40f876b5e56f9ee22c6ec7d9072308a4b9649e6 100644
--- a/content/2.defense-systems/disarm.md
+++ b/content/2.defense-systems/disarm.md
@@ -1,4 +1,6 @@
-# DISARM
+---
+title: DISARM
+---
 
 ## Description
 
diff --git a/content/2.defense-systems/dmdde.md b/content/2.defense-systems/dmdde.md
index 413ec5b14cb004f8001e063b13b1d9addec9b4fa..e83d0ec756702ff0524def9acf4df1f6f3d53080 100644
--- a/content/2.defense-systems/dmdde.md
+++ b/content/2.defense-systems/dmdde.md
@@ -1,4 +1,6 @@
-# DmdDE
+---
+title: DmdDE
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/dnd.md b/content/2.defense-systems/dnd.md
index 82a988cae6f360bad142b342ecf7f3e1f08ffbe4..64d04e46b6a40db450a57cfdb7af7ec05d26c0cc 100644
--- a/content/2.defense-systems/dnd.md
+++ b/content/2.defense-systems/dnd.md
@@ -1,4 +1,6 @@
-# Dnd
+---
+title: Dnd
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/dodola.md b/content/2.defense-systems/dodola.md
index 3c23119e1a1fe5827e8c27aa57db4e1b2fcc6522..c364e2494310a7f0069e83a8a5843903952c0280 100644
--- a/content/2.defense-systems/dodola.md
+++ b/content/2.defense-systems/dodola.md
@@ -1,4 +1,6 @@
-# Dodola
+---
+title: Dodola
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/dpd.md b/content/2.defense-systems/dpd.md
index cf55aad0067bf0910fe724f008304d7123d10fe0..6061cc1a61786ef489a1ee1ebace470af56b5152 100644
--- a/content/2.defense-systems/dpd.md
+++ b/content/2.defense-systems/dpd.md
@@ -1,4 +1,6 @@
-# Dpd
+---
+title: Dpd
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/drt.md b/content/2.defense-systems/drt.md
index 8f149dfed6a060bca364b312fe899591be083c97..3f11fb80751cba8a419369f24cbf7ae1fad937e1 100644
--- a/content/2.defense-systems/drt.md
+++ b/content/2.defense-systems/drt.md
@@ -1,4 +1,6 @@
-# DRT
+---
+title: DRT
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/druantia.md b/content/2.defense-systems/druantia.md
index c14d9141957d7ece193aa909cf1b60f3e6e6e85b..c97fc8f82e006f46cbffdd03bb93d1b445feac3b 100644
--- a/content/2.defense-systems/druantia.md
+++ b/content/2.defense-systems/druantia.md
@@ -1,4 +1,6 @@
-# Druantia
+---
+title: Druantia
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/dsr.md b/content/2.defense-systems/dsr.md
index 1576422c341666a388f0fe4413a849195fe559dc..28a137ee0097ff3f4f35cf2299447e85301b0feb 100644
--- a/content/2.defense-systems/dsr.md
+++ b/content/2.defense-systems/dsr.md
@@ -1,4 +1,6 @@
-# Dsr
+---
+title: Dsr
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/eleos.md b/content/2.defense-systems/eleos.md
index d457407b7e136ba7ba71fa26e09f5cc36939578c..d9778bd265dc7e640da3812433db1067ca074c14 100644
--- a/content/2.defense-systems/eleos.md
+++ b/content/2.defense-systems/eleos.md
@@ -1,4 +1,6 @@
-# Eleos
+---
+title: Eleos
+---
 
 The Eleos system was previously described as the Dynamins-like system in (Millman et al, 2022).
 
diff --git a/content/2.defense-systems/gabija.md b/content/2.defense-systems/gabija.md
index b937ad5d704d8a03019a92667480a574691c1fa6..9be9795588ca7b9ca257b70afb8c1ffe97ecb4d5 100644
--- a/content/2.defense-systems/gabija.md
+++ b/content/2.defense-systems/gabija.md
@@ -1,4 +1,6 @@
-# Gabija
+---
+title: Gabija
+---
 
 ## Description
 
diff --git a/content/2.defense-systems/gao_ape.md b/content/2.defense-systems/gao_ape.md
index bc125d15911a1a81c757daad851f18217d2887ca..b0148c8592cd3be3301efd887940d76efd9c8eeb 100644
--- a/content/2.defense-systems/gao_ape.md
+++ b/content/2.defense-systems/gao_ape.md
@@ -1,4 +1,6 @@
-# Gao\_Ape
+---
+title: Gao_Ape
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/gao_her.md b/content/2.defense-systems/gao_her.md
index 3eb6db2aa65a6a398695baee4233814f4b372fe6..7d0298c289d1fed800337595ba8fc865ec96ba28 100644
--- a/content/2.defense-systems/gao_her.md
+++ b/content/2.defense-systems/gao_her.md
@@ -1,4 +1,6 @@
-# Gao\_Her
+---
+title: Gao_Her
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/gao_hhe.md b/content/2.defense-systems/gao_hhe.md
index 0d4207c4511676bd83d51611552163af0a2a3e8c..f15521a0816154ee41f7ea2f037276193ebac580 100644
--- a/content/2.defense-systems/gao_hhe.md
+++ b/content/2.defense-systems/gao_hhe.md
@@ -1,4 +1,6 @@
-# Gao\_Hhe
+---
+title: Gao_Hhe
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/gao_iet.md b/content/2.defense-systems/gao_iet.md
index fe5fadc28aeb12713adb3e83e231ac0c3aa80e21..9fb5adbb9492ed24dd4326f1a2bbde256ff206ad 100644
--- a/content/2.defense-systems/gao_iet.md
+++ b/content/2.defense-systems/gao_iet.md
@@ -1,4 +1,6 @@
-# Gao\_Iet
+---
+title: Gao_Iet
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/gao_mza.md b/content/2.defense-systems/gao_mza.md
index d487dc3140c843ca6a97b2b1ac835934031ee810..e9e294c8d9bc223e121af90e33eda5805bda9a91 100644
--- a/content/2.defense-systems/gao_mza.md
+++ b/content/2.defense-systems/gao_mza.md
@@ -1,4 +1,6 @@
-# Gao\_Mza
+---
+title: Gao_Mza
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/gao_ppl.md b/content/2.defense-systems/gao_ppl.md
index e0d844cb6105b8118a15d7fc92363f18223070a0..445d898231815262815d6d88a656be1e35bbefc2 100644
--- a/content/2.defense-systems/gao_ppl.md
+++ b/content/2.defense-systems/gao_ppl.md
@@ -1,4 +1,6 @@
-# Gao\_Ppl
+---
+title: Gao_Ppl
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/gao_qat.md b/content/2.defense-systems/gao_qat.md
index 27d9d0cb9d3bb34b88eee04327fcfc4043156e4b..f73ed4b9e509565c8d5436f6091a5e693b498f16 100644
--- a/content/2.defense-systems/gao_qat.md
+++ b/content/2.defense-systems/gao_qat.md
@@ -1,4 +1,6 @@
-# Gao\_Qat
+---
+title: Gao_Qat
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/gao_rl.md b/content/2.defense-systems/gao_rl.md
index 04853174ba633c1f5960badcd5e2f803cc39dabb..034601b539f2e6b5d6ceccbc1a0ab4a567ab531a 100644
--- a/content/2.defense-systems/gao_rl.md
+++ b/content/2.defense-systems/gao_rl.md
@@ -1,4 +1,6 @@
-# Gao\_RL
+---
+title: Gao_RL
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/gao_tery.md b/content/2.defense-systems/gao_tery.md
index 2da2acf2b43d9dbbd35eef607b02dbccb15a0f4a..97f64384ab4699b4e1f79ebf1a73a56447e4740a 100644
--- a/content/2.defense-systems/gao_tery.md
+++ b/content/2.defense-systems/gao_tery.md
@@ -1,4 +1,6 @@
-# Gao\_TerY
+---
+title: Gao_TerY
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/gao_tmn.md b/content/2.defense-systems/gao_tmn.md
index c67e3fe2e05bca0c8af39fcacc286f6a78c4dd64..7b691e8bca3436e725310e4d3052848bec7f3d56 100644
--- a/content/2.defense-systems/gao_tmn.md
+++ b/content/2.defense-systems/gao_tmn.md
@@ -1,4 +1,6 @@
-# Gao\_Tmn
+---
+title: Gao_Tmn
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/gao_upx.md b/content/2.defense-systems/gao_upx.md
index 64672eb505e05e3556a6bec12f04b877b731456f..6756f417d3a0faca2cf2a605f0c4cff426e17504 100644
--- a/content/2.defense-systems/gao_upx.md
+++ b/content/2.defense-systems/gao_upx.md
@@ -1,4 +1,6 @@
-# Gao\_Upx
+---
+title: Gao_Upx
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/gasdermin.md b/content/2.defense-systems/gasdermin.md
index d99f5e41be90808414c8f24d5d839dcc6b41f04a..34c54eed0e5a25d9848acb7fcb55c3470057f1e6 100644
--- a/content/2.defense-systems/gasdermin.md
+++ b/content/2.defense-systems/gasdermin.md
@@ -1,4 +1,6 @@
-# GasderMIN
+---
+title: GasderMIN
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/gp29_gp30.md b/content/2.defense-systems/gp29_gp30.md
index 434119cd2e63b798942169ba2f292e45910531b9..869a5a8289f0cb77dbe54fc934de6c199d0a145c 100644
--- a/content/2.defense-systems/gp29_gp30.md
+++ b/content/2.defense-systems/gp29_gp30.md
@@ -1,4 +1,6 @@
-# gp29\_gp30
+---
+title: gp29_gp30
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/hachiman.md b/content/2.defense-systems/hachiman.md
index db06cb27214afb98daee3a3ac9c99befa6f31ac8..72fce25c99b3890a3ce7567a1b6cf3106f2692f1 100644
--- a/content/2.defense-systems/hachiman.md
+++ b/content/2.defense-systems/hachiman.md
@@ -1,4 +1,6 @@
-# Hachiman
+---
+title: Hachiman
+---
 
 ## Description
 
diff --git a/content/2.defense-systems/isg15-like.md b/content/2.defense-systems/isg15-like.md
index c840bdc0df24869d46d9b03813155c34d7690566..3665df566655a53a69ffe5384f705959409b1d0d 100644
--- a/content/2.defense-systems/isg15-like.md
+++ b/content/2.defense-systems/isg15-like.md
@@ -1,4 +1,6 @@
-# ISG15-like
+---
+title: ISG15-like
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/kiwa.md b/content/2.defense-systems/kiwa.md
index 650c9df9bc7156c34bc61e7fc3c43841223e2c62..24ebd95da275f8bcb800e106115383057a95ded7 100644
--- a/content/2.defense-systems/kiwa.md
+++ b/content/2.defense-systems/kiwa.md
@@ -1,4 +1,6 @@
-# Kiwa
+---
+title: Kiwa
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/lamassu-fam.md b/content/2.defense-systems/lamassu-fam.md
index 01cada6750d638af8042a0808329131d99ef3e1f..72b362dc71c98dcfee497ec350fb0423026f8cb5 100644
--- a/content/2.defense-systems/lamassu-fam.md
+++ b/content/2.defense-systems/lamassu-fam.md
@@ -1,4 +1,6 @@
-# Lamassu-Fam
+---
+title: Lamassu-Fam
+---
 
 ## Description
 
diff --git a/content/2.defense-systems/lit.md b/content/2.defense-systems/lit.md
index 54c8d763eee3a8573a0be5a16323e0ed8aac6ace..e2e5d850f385742d109a059d2cebd534658ae7a1 100644
--- a/content/2.defense-systems/lit.md
+++ b/content/2.defense-systems/lit.md
@@ -1,4 +1,6 @@
-# Lit
+---
+title: Lit
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/menshen.md b/content/2.defense-systems/menshen.md
index 0c2e78191a11aa4815f51a12f26157e4d23150bd..210145d6cf1120987620b2373057ad70f91a6653 100644
--- a/content/2.defense-systems/menshen.md
+++ b/content/2.defense-systems/menshen.md
@@ -1,4 +1,6 @@
-# Menshen
+---
+title: Menshen
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/mok_hok_sok.md b/content/2.defense-systems/mok_hok_sok.md
index c66a12ffc623fad55098eea5002eb4ce06057b2b..c013ad983073713d5b00b6382c8c5a9b450f0e17 100644
--- a/content/2.defense-systems/mok_hok_sok.md
+++ b/content/2.defense-systems/mok_hok_sok.md
@@ -1,4 +1,6 @@
-# Mok\_Hok\_Sok
+---
+title: Mok_Hok_Sok
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/mokosh.md b/content/2.defense-systems/mokosh.md
index 3c27ac2226f1968c9b88608140b115682dd72512..aebf20b55012739616da6b6ca8b1dd9df0ee52a3 100644
--- a/content/2.defense-systems/mokosh.md
+++ b/content/2.defense-systems/mokosh.md
@@ -1,4 +1,6 @@
-# Mokosh
+---
+title: Mokosh
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/mqsrac.md b/content/2.defense-systems/mqsrac.md
index c7ae72110875fa2d232edd2ce7b64dc92fd6de5d..8fd109e3180cbc1a00ca228f2306855301f6189a 100644
--- a/content/2.defense-systems/mqsrac.md
+++ b/content/2.defense-systems/mqsrac.md
@@ -1,4 +1,6 @@
-# MqsRAC
+---
+title: MqsRAC
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/nhi.md b/content/2.defense-systems/nhi.md
index 8096ff5009aea72bc255f4ce49c5770c5bbe8162..a291e8c267c4af817ab40240fe74d73257d6f1be 100644
--- a/content/2.defense-systems/nhi.md
+++ b/content/2.defense-systems/nhi.md
@@ -1,4 +1,6 @@
-# Nhi
+---
+title: Nhi
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/nixi.md b/content/2.defense-systems/nixi.md
index 61d80a75fd813eac928ee6ef93b35aa7d64036e9..b1c51cef15e20bf08780eb6916e1a5a0a8565b36 100644
--- a/content/2.defense-systems/nixi.md
+++ b/content/2.defense-systems/nixi.md
@@ -1,4 +1,6 @@
-# NixI
+---
+title: NixI
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/nlr.md b/content/2.defense-systems/nlr.md
index 133fcacfcb5ed894364d7e59807d1ebdb3d5eaf3..a67939bc21309b61e573cbf42eb5cebafc3323ea 100644
--- a/content/2.defense-systems/nlr.md
+++ b/content/2.defense-systems/nlr.md
@@ -1,4 +1,6 @@
-# NLR
+---
+title: NLR
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/old_exonuclease.md b/content/2.defense-systems/old_exonuclease.md
index 191019583b31588f204bb865c40492efdb706c5e..d76b1eb7aaee969eff234a9922c77c3f28c62b59 100644
--- a/content/2.defense-systems/old_exonuclease.md
+++ b/content/2.defense-systems/old_exonuclease.md
@@ -1,4 +1,6 @@
-# Old\_exonuclease
+---
+title: Old_exonuclease
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/olokun.md b/content/2.defense-systems/olokun.md
index 0142eeed98ad08ce071c6cc810be97cb86ec2632..7ef105227006d88d91221cd05a72330f67140fac 100644
--- a/content/2.defense-systems/olokun.md
+++ b/content/2.defense-systems/olokun.md
@@ -1,4 +1,6 @@
-# Olokun
+---
+title: Olokun
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/pago.md b/content/2.defense-systems/pago.md
index cb458cef8bfdb28c34dbe97e6a29d52240fdada5..ce339df75be85c659ccab60f354d245991cd0883 100644
--- a/content/2.defense-systems/pago.md
+++ b/content/2.defense-systems/pago.md
@@ -1,4 +1,6 @@
-# pAgo
+---
+title: pAgo
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/pd-lambda-1.md b/content/2.defense-systems/pd-lambda-1.md
index 36c6e17b55e0c6b4d1fe32637f7bae4a343ea34d..357b423b948d88abe3a365ff2288b2d3d8271890 100644
--- a/content/2.defense-systems/pd-lambda-1.md
+++ b/content/2.defense-systems/pd-lambda-1.md
@@ -1,4 +1,6 @@
-# PD-Lambda-1
+---
+title: PD-Lambda-1
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/pd-lambda-2.md b/content/2.defense-systems/pd-lambda-2.md
index fcaf07b9ff474caec9f2f42f36074d8af7f3ed0c..adb7c4b4cf44d2fbd29414a16fc5f08c944668b7 100644
--- a/content/2.defense-systems/pd-lambda-2.md
+++ b/content/2.defense-systems/pd-lambda-2.md
@@ -1,4 +1,6 @@
-# PD-Lambda-2
+---
+title: PD-Lambda-2
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/pd-lambda-3.md b/content/2.defense-systems/pd-lambda-3.md
index 2247e57f8906dc8279e0fa53b74b5fab4df6aea2..8867540ad5f825ce5d63c737c0635e9e6d38baf1 100644
--- a/content/2.defense-systems/pd-lambda-3.md
+++ b/content/2.defense-systems/pd-lambda-3.md
@@ -1,4 +1,6 @@
-# PD-Lambda-3
+---
+title: PD-Lambda-3
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/pd-lambda-4.md b/content/2.defense-systems/pd-lambda-4.md
index e3e8d3ea6fbbc9bb9dbc04d9d59f0c84a64e6372..6fb9934319b76adf90793491c1bf61fd19cc2464 100644
--- a/content/2.defense-systems/pd-lambda-4.md
+++ b/content/2.defense-systems/pd-lambda-4.md
@@ -1,4 +1,6 @@
-# PD-Lambda-4
+---
+title: PD-Lambda-4
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/pd-lambda-5.md b/content/2.defense-systems/pd-lambda-5.md
index ee77ef386703a7a056bc022de1974c55be7d87fc..e44331b94159466c9f4e15f3dd476e2e6e8cc773 100644
--- a/content/2.defense-systems/pd-lambda-5.md
+++ b/content/2.defense-systems/pd-lambda-5.md
@@ -1,4 +1,6 @@
-# PD-Lambda-5
+---
+title: PD-Lambda-5
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/pd-lambda-6.md b/content/2.defense-systems/pd-lambda-6.md
index b41e5e2dae9ebdac618b9197967fbbf2b0897b1e..b31b5406bbb1fee742110faf1c73daa2fbded749 100644
--- a/content/2.defense-systems/pd-lambda-6.md
+++ b/content/2.defense-systems/pd-lambda-6.md
@@ -1,4 +1,6 @@
-# PD-Lambda-6
+---
+title: PD-Lambda-6
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/pd-t4-1.md b/content/2.defense-systems/pd-t4-1.md
index 03ecabbec3bc2ea82f67aac6f63b74cc3b2626c5..84fff571ea8394b55d53b07a2944bfa9d8afd652 100644
--- a/content/2.defense-systems/pd-t4-1.md
+++ b/content/2.defense-systems/pd-t4-1.md
@@ -1,4 +1,6 @@
-# PD-T4-1
+---
+title: PD-T4-1
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/pd-t4-10.md b/content/2.defense-systems/pd-t4-10.md
index e1e0f8ec3e7733706ef319306cfbd687cc6f428e..a9dd4ceae6840744ee26d320c745ee02cadf274c 100644
--- a/content/2.defense-systems/pd-t4-10.md
+++ b/content/2.defense-systems/pd-t4-10.md
@@ -1,4 +1,6 @@
-# PD-T4-10
+---
+title: PD-T4-10
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/pd-t4-2.md b/content/2.defense-systems/pd-t4-2.md
index 79020b2d4d77a4f4f74ed1fa4fa0ab8855ae0e55..5719c580d81f7bec826b8b2dd1494a71fb44448d 100644
--- a/content/2.defense-systems/pd-t4-2.md
+++ b/content/2.defense-systems/pd-t4-2.md
@@ -1,4 +1,6 @@
-# PD-T4-2
+---
+title: PD-T4-2
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/pd-t4-3.md b/content/2.defense-systems/pd-t4-3.md
index 4e487e5f437dfb36c4a020af45089955e8b2e1d7..3011a64583f1f76d9b6b7bf232baedd8c216523d 100644
--- a/content/2.defense-systems/pd-t4-3.md
+++ b/content/2.defense-systems/pd-t4-3.md
@@ -1,4 +1,6 @@
-# PD-T4-3
+---
+title: PD-T4-3
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/pd-t4-4.md b/content/2.defense-systems/pd-t4-4.md
index 3eeb6c72180236804f20a89c1d676ced511c42b2..4a42a0ca50067d6d539a0483c536ea94a6d631bd 100644
--- a/content/2.defense-systems/pd-t4-4.md
+++ b/content/2.defense-systems/pd-t4-4.md
@@ -1,4 +1,6 @@
-# PD-T4-4
+---
+title: PD-T4-4
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/pd-t4-5.md b/content/2.defense-systems/pd-t4-5.md
index dc8bcde50d5dd4549cc49c1a416e0d44a9bc0e0e..d1e1757bedbeac07cb520ca8d28b1595e36ce706 100644
--- a/content/2.defense-systems/pd-t4-5.md
+++ b/content/2.defense-systems/pd-t4-5.md
@@ -1,4 +1,6 @@
-# PD-T4-5
+---
+title: PD-T4-5
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/pd-t4-6.md b/content/2.defense-systems/pd-t4-6.md
index 5b55e149d81cea0560f87fcdcf39929d00e112c6..140fa426c35b0c54a20aaebc62a2a387af39b6ed 100644
--- a/content/2.defense-systems/pd-t4-6.md
+++ b/content/2.defense-systems/pd-t4-6.md
@@ -1,4 +1,6 @@
-# PD-T4-6
+---
+title: PD-T4-6
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/pd-t4-7.md b/content/2.defense-systems/pd-t4-7.md
index 6b0c6f472faa7a191546e4126efc07e978bda531..a8a92fa52bd62321cafa4c73e19591d3b2066dec 100644
--- a/content/2.defense-systems/pd-t4-7.md
+++ b/content/2.defense-systems/pd-t4-7.md
@@ -1,4 +1,6 @@
-# PD-T4-7
+---
+title: PD-T4-7
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/pd-t4-8.md b/content/2.defense-systems/pd-t4-8.md
index 3e95e2ced11128384994556f8f291577517894d6..15b657045cc7c4eb50903bffa6da94936cdc9872 100644
--- a/content/2.defense-systems/pd-t4-8.md
+++ b/content/2.defense-systems/pd-t4-8.md
@@ -1,4 +1,6 @@
-# PD-T4-8
+---
+title: PD-T4-8
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/pd-t4-9.md b/content/2.defense-systems/pd-t4-9.md
index 94cfa6ef45788e91ba64917a23d482de08fee7ff..71ec50923546588d08b36bb1fa35ebbc980e2fc7 100644
--- a/content/2.defense-systems/pd-t4-9.md
+++ b/content/2.defense-systems/pd-t4-9.md
@@ -1,4 +1,6 @@
-# PD-T4-9
+---
+title: PD-T4-9
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/pd-t7-1.md b/content/2.defense-systems/pd-t7-1.md
index 8c93287724d848e63280f23e6e75f412dae3fb5e..e495e428701a7eeaedc301076bd2de1e5516ea41 100644
--- a/content/2.defense-systems/pd-t7-1.md
+++ b/content/2.defense-systems/pd-t7-1.md
@@ -1,4 +1,6 @@
-# PD-T7-1
+---
+title: PD-T7-1
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/pd-t7-2.md b/content/2.defense-systems/pd-t7-2.md
index 18fc74e131b5d47aef815b3b95cfb84e52590f4b..85cce53e6d6c24fa3e051b71c875d3e76b9d56c3 100644
--- a/content/2.defense-systems/pd-t7-2.md
+++ b/content/2.defense-systems/pd-t7-2.md
@@ -1,4 +1,6 @@
-# PD-T7-2
+---
+title: PD-T7-2
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/pd-t7-3.md b/content/2.defense-systems/pd-t7-3.md
index 2c4db1f8383c9e13065c44adad3ae6bfa9feb179..6cb9f2f08e42638236adf2dad5ff1eee8f82b174 100644
--- a/content/2.defense-systems/pd-t7-3.md
+++ b/content/2.defense-systems/pd-t7-3.md
@@ -1,4 +1,6 @@
-# PD-T7-3
+---
+title: PD-T7-3
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/pd-t7-4.md b/content/2.defense-systems/pd-t7-4.md
index 3f085b7b495ba10cd034ea8e9c958ef4fd0c5974..673b2824f1a0ba9c7351b9b6d6231bbe3516a1c3 100644
--- a/content/2.defense-systems/pd-t7-4.md
+++ b/content/2.defense-systems/pd-t7-4.md
@@ -1,4 +1,6 @@
-# PD-T7-4
+---
+title: PD-T7-4
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/pd-t7-5.md b/content/2.defense-systems/pd-t7-5.md
index 54d5944ec3fdb59fd45d6560c19246fd5d86d639..49af4ee267a889cc845b0efd6b765316c26d3998 100644
--- a/content/2.defense-systems/pd-t7-5.md
+++ b/content/2.defense-systems/pd-t7-5.md
@@ -1,4 +1,6 @@
-# PD-T7-5
+---
+title: PD-T7-5
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/pfiat.md b/content/2.defense-systems/pfiat.md
index 8d747890c943d9c93d64cb15a8028b29d85b941c..e0effbc2340ba7bf5fbfef72159f8084eee4a9c5 100644
--- a/content/2.defense-systems/pfiat.md
+++ b/content/2.defense-systems/pfiat.md
@@ -1,4 +1,6 @@
-# PfiAT
+---
+title: PfiAT
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/pif.md b/content/2.defense-systems/pif.md
index cd5c18c3ecfd6c1e152cc31815cd8a58be4e2323..245bfc89d0dbe4fa3bb37c1716562cc3c1d203e0 100644
--- a/content/2.defense-systems/pif.md
+++ b/content/2.defense-systems/pif.md
@@ -1,4 +1,6 @@
-# Pif
+---
+title: Pif
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/prrc.md b/content/2.defense-systems/prrc.md
index ebc576a032a03c769953ba1d14bd902fb495ee62..6f57554b930fadafe030d59807a2913c0c21bd7c 100644
--- a/content/2.defense-systems/prrc.md
+++ b/content/2.defense-systems/prrc.md
@@ -1,4 +1,6 @@
-# PrrC
+---
+title: PrrC
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/psyrta.md b/content/2.defense-systems/psyrta.md
index 48ea4cc01f45a37ae0e6267f45726fb7ab7048a8..152dad509be61e96ac40b9ca38043940855bae63 100644
--- a/content/2.defense-systems/psyrta.md
+++ b/content/2.defense-systems/psyrta.md
@@ -1,4 +1,6 @@
-# PsyrTA
+---
+title: PsyrTA
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/pycsar.md b/content/2.defense-systems/pycsar.md
index af55ed95b921a313e4a10a877b1b1bbcdfd145a1..484c30983457c14a33fc8cda738e91d88cb79170 100644
--- a/content/2.defense-systems/pycsar.md
+++ b/content/2.defense-systems/pycsar.md
@@ -1,4 +1,6 @@
-# Pycsar
+---
+title: Pycsar
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/radar.md b/content/2.defense-systems/radar.md
index acb7ff03477a582202ac93e21dc37f101f358c4a..e5658e4f2ef1f4cec9592edd0ad7c2fd9ee14728 100644
--- a/content/2.defense-systems/radar.md
+++ b/content/2.defense-systems/radar.md
@@ -1,4 +1,6 @@
-# RADAR
+---
+title: RADAR
+---
 
 ## Description
 
diff --git a/content/2.defense-systems/retron.md b/content/2.defense-systems/retron.md
index 5c72a61ba53253b4a19ac11d3480cc79822fc2ad..c9cd89b27b812dd1bd4c1767b8a5a740464cdd21 100644
--- a/content/2.defense-systems/retron.md
+++ b/content/2.defense-systems/retron.md
@@ -1,4 +1,6 @@
-# Retrons
+---
+title: Retron
+---
 
 ## Description
 
diff --git a/content/2.defense-systems/rexab.md b/content/2.defense-systems/rexab.md
index 9caf982eee67e7df8b660e4f3c92da566c94ce75..f46c6900c0c28d117ae28d4503dbd254af9d8d15 100644
--- a/content/2.defense-systems/rexab.md
+++ b/content/2.defense-systems/rexab.md
@@ -1,4 +1,6 @@
-# RexAB
+---
+title: RexAB
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/rloc.md b/content/2.defense-systems/rloc.md
index 0ebd2a6f8e6b67da54c8d31caac0dba59225d572..c23cf8e5be921b9652462226a33d18ea549c74db 100644
--- a/content/2.defense-systems/rloc.md
+++ b/content/2.defense-systems/rloc.md
@@ -1,4 +1,6 @@
-# RloC
+---
+title: RloC
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/rm.md b/content/2.defense-systems/rm.md
index 44803e1d57e50af0f01fc5e0bf6f173757b47e52..7a4392c52da19e6adfc23f4d3dbd54ef23db4112 100644
--- a/content/2.defense-systems/rm.md
+++ b/content/2.defense-systems/rm.md
@@ -1,4 +1,6 @@
-# RM
+---
+title: RM
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/rnlab.md b/content/2.defense-systems/rnlab.md
index a93197978df2a520b88c6cf5ec567d891b3d2589..a79f672cfc52a0c167cc51f2e0ffe484206c68a9 100644
--- a/content/2.defense-systems/rnlab.md
+++ b/content/2.defense-systems/rnlab.md
@@ -1,4 +1,6 @@
-# RnlAB
+---
+title: RnlAB
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/rosmerta.md b/content/2.defense-systems/rosmerta.md
index 240ac59a22c96151633ee4e91ba372f21c9de587..d9d81ccd5e153e24276da85681e110ed425dfb57 100644
--- a/content/2.defense-systems/rosmerta.md
+++ b/content/2.defense-systems/rosmerta.md
@@ -1,4 +1,6 @@
-# RosmerTA
+---
+title: RosmerTA
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/rst_2tm_1tm_tir.md b/content/2.defense-systems/rst_2tm_1tm_tir.md
index 9af51ecd0ec73de80db2da4fa22d34b9263e8ee8..64af1fa292500675752b4f8a04986547a2e372dc 100644
--- a/content/2.defense-systems/rst_2tm_1tm_tir.md
+++ b/content/2.defense-systems/rst_2tm_1tm_tir.md
@@ -1,4 +1,6 @@
-# Rst\_2TM\_1TM\_TIR
+---
+title: Rst_2TM_1TM_TIR
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/rst_3hp.md b/content/2.defense-systems/rst_3hp.md
index 17e555e82be2d941be64667cc4639877491b4a0f..f255acc992582804c157ab449653432ba9fbfa8e 100644
--- a/content/2.defense-systems/rst_3hp.md
+++ b/content/2.defense-systems/rst_3hp.md
@@ -1,4 +1,6 @@
-# Rst\_3HP
+---
+title: Rst_3HP
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/rst_duf4238.md b/content/2.defense-systems/rst_duf4238.md
index 34aa27c4d9ccf1293b83bc282ad47b24f3765326..f86d4631e631f87dfc65937f10148dce8ea7347f 100644
--- a/content/2.defense-systems/rst_duf4238.md
+++ b/content/2.defense-systems/rst_duf4238.md
@@ -1,4 +1,6 @@
-# Rst\_DUF4238
+---
+title: Rst_DUF4238
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/rst_gop_beta_cll.md b/content/2.defense-systems/rst_gop_beta_cll.md
index 0451a732eb2fab2fbc1546a2a4a5b6a72b734768..6c421e947df3e69fcb40cad39841af85f4973ea6 100644
--- a/content/2.defense-systems/rst_gop_beta_cll.md
+++ b/content/2.defense-systems/rst_gop_beta_cll.md
@@ -1,4 +1,6 @@
-# Rst\_gop\_beta\_cll
+---
+title: Rst_gop_beta_cll
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/rst_helicaseduf2290.md b/content/2.defense-systems/rst_helicaseduf2290.md
index d2d4e44b86cd58db463a76767ce8a26fdb3c2f39..0a8b802006e7e88d2c00a4d7cf8d6d43cc6d8209 100644
--- a/content/2.defense-systems/rst_helicaseduf2290.md
+++ b/content/2.defense-systems/rst_helicaseduf2290.md
@@ -1,4 +1,6 @@
-# Rst\_HelicaseDUF2290
+---
+title: Rst_HelicaseDUF2290
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/rst_hydrolase-3tm.md b/content/2.defense-systems/rst_hydrolase-3tm.md
index 56b8a646f54aca058e91d972e099dbe1e351a3c9..002c33ef11469ef554e46d83d6472a52f062f4d7 100644
--- a/content/2.defense-systems/rst_hydrolase-3tm.md
+++ b/content/2.defense-systems/rst_hydrolase-3tm.md
@@ -1,4 +1,6 @@
-# Rst\_Hydrolase-3Tm
+---
+title: Rst_Hydrolase-3Tm
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/rst_paris.md b/content/2.defense-systems/rst_paris.md
index 4af0162d881ec3a9733b34ad20e0cff8e4203b84..283184b583687a36af6afd52d26ec06a62c2b88d 100644
--- a/content/2.defense-systems/rst_paris.md
+++ b/content/2.defense-systems/rst_paris.md
@@ -1,4 +1,6 @@
-# Rst\_PARIS
+---
+title: Rst_PARIS
+---
 
 ## Description
 
diff --git a/content/2.defense-systems/rst_rt-nitrilase-tm.md b/content/2.defense-systems/rst_rt-nitrilase-tm.md
index fcbdff11b6f936e12bc7cdc30cb63124c00a38a6..21fe821dcec34d72decb6f62491cdeb8bf5faa0e 100644
--- a/content/2.defense-systems/rst_rt-nitrilase-tm.md
+++ b/content/2.defense-systems/rst_rt-nitrilase-tm.md
@@ -1,4 +1,6 @@
-# Rst\_RT-nitrilase-Tm
+---
+title: Rst_RT-nitrilase-Tm
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/rst_tir-nlr.md b/content/2.defense-systems/rst_tir-nlr.md
index 5f8f846056d2c0afc84ba441e3eca09efdb62d96..76bfa9d18e11d0d37b5f8cf2b4323bc0cfeec864 100644
--- a/content/2.defense-systems/rst_tir-nlr.md
+++ b/content/2.defense-systems/rst_tir-nlr.md
@@ -1,4 +1,6 @@
-# Rst\_TIR-NLR
+---
+title: Rst_TIR-NLR
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/sanata.md b/content/2.defense-systems/sanata.md
index 2261ffbaf1e16e7242bf8e8ee3741e108d5b85ff..475c57bebecdfdacf00c9cefc24daca927660907 100644
--- a/content/2.defense-systems/sanata.md
+++ b/content/2.defense-systems/sanata.md
@@ -1,4 +1,6 @@
-# SanaTA
+---
+title: SanaTA
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/sefir.md b/content/2.defense-systems/sefir.md
index ccfe7606428df22a9e57d43c43cab6555327c6e0..5a5f7bd11f5d7f88e1aa7c8bc36474de30901fd5 100644
--- a/content/2.defense-systems/sefir.md
+++ b/content/2.defense-systems/sefir.md
@@ -1,4 +1,6 @@
-# SEFIR
+---
+title: SEFIR
+---
 
 ## Description
 The SEFIR defense system is composed of a single bacterial SEFIR (bSEFIR)-domain protein. bSEFIR-domain genes were identified in bacterial genomes, were shown to be enriched in defense islands and the activity of the defense system was first experimentally validated in \*Bacillus sp.\* NIO-1130 against phage phi29 [1]. 
diff --git a/content/2.defense-systems/septu.md b/content/2.defense-systems/septu.md
index b9e4ec7bbe2b421bc591e38c99967bb12c8538ea..954030e4072f9759abe072fa1bb3bd8cd21a39d3 100644
--- a/content/2.defense-systems/septu.md
+++ b/content/2.defense-systems/septu.md
@@ -1,4 +1,6 @@
-# Septu
+---
+title: Septu
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/shango.md b/content/2.defense-systems/shango.md
index 335721593ef71197467b7956faca7fde14fb1329..baee8af57687043adc64f97ee9f726737dc55292 100644
--- a/content/2.defense-systems/shango.md
+++ b/content/2.defense-systems/shango.md
@@ -1,4 +1,6 @@
-# Shango
+---
+title: Shango
+---
 
 
 ## Description
diff --git a/content/2.defense-systems/shedu.md b/content/2.defense-systems/shedu.md
index 95f3a72266cd36fc39ce55708a8a9e71a88f2b50..6eb32679e9c857d4888c0cb51f4eeaa4778aa47f 100644
--- a/content/2.defense-systems/shedu.md
+++ b/content/2.defense-systems/shedu.md
@@ -1,4 +1,6 @@
-# Shedu
+---
+title: Shedu
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/shosta.md b/content/2.defense-systems/shosta.md
index 49651fdd86c8399392c866201c563b2f994ac532..a9a4fe5b45f512cde1964c4f41dd2ec8f69c2c9d 100644
--- a/content/2.defense-systems/shosta.md
+++ b/content/2.defense-systems/shosta.md
@@ -1,4 +1,6 @@
-# ShosTA
+---
+title: ShosTA
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/sofic.md b/content/2.defense-systems/sofic.md
index 715b27ff70a12fefa5b91895cc5fd3f40a6d904e..411c97f72815cd17b66515023d71cff4c2d9db20 100644
--- a/content/2.defense-systems/sofic.md
+++ b/content/2.defense-systems/sofic.md
@@ -1,4 +1,6 @@
-# SoFIC
+---
+title: SoFIC
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/spbk.md b/content/2.defense-systems/spbk.md
index 15e2799f764676fd57f4cf82d6660a7e99a657c2..1acf4a458e6d8d6a8bb597584ee91df870067365 100644
--- a/content/2.defense-systems/spbk.md
+++ b/content/2.defense-systems/spbk.md
@@ -1,4 +1,6 @@
-# SpbK
+---
+title: SpbK
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/sspbcde.md b/content/2.defense-systems/sspbcde.md
index 4b5552ca36c32baa5f925348b8bf8bf564d1da68..d085151aa0538fa451b94ef39a2233ee674dba6e 100644
--- a/content/2.defense-systems/sspbcde.md
+++ b/content/2.defense-systems/sspbcde.md
@@ -1,4 +1,6 @@
-# SspBCDE
+---
+title: SspBCDE
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/stk2.md b/content/2.defense-systems/stk2.md
index 189f26440939f34fe02324bd5633be9a4b6b8a89..3395b504fafaf1de7db1bbdf8973977d0a987a1e 100644
--- a/content/2.defense-systems/stk2.md
+++ b/content/2.defense-systems/stk2.md
@@ -1,4 +1,6 @@
-# Stk2
+---
+title: Stk2
+---
 
 ## Description
 
diff --git a/content/2.defense-systems/thoeris.md b/content/2.defense-systems/thoeris.md
index 230d646fbfc91dfa6a825a8852123c6725c4405b..249bba480fa64441493df6f11040f874aad7aa4e 100644
--- a/content/2.defense-systems/thoeris.md
+++ b/content/2.defense-systems/thoeris.md
@@ -1,4 +1,6 @@
-# Thoeris
+---
+title: Thoeris
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/tiamat.md b/content/2.defense-systems/tiamat.md
index 67d2203c4767325db27cbb49d1373f3009d923be..98087140c100f22d204fb1a4fc50e7b78c2baa2f 100644
--- a/content/2.defense-systems/tiamat.md
+++ b/content/2.defense-systems/tiamat.md
@@ -1,4 +1,6 @@
-# Tiamat
+---
+title: Tiamat
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/uzume.md b/content/2.defense-systems/uzume.md
index dd4a0cce042cbee193a57005eb20bb4074adf6c2..54ab8592b7ad7fe3ed393fdea631e3fee3ef801c 100644
--- a/content/2.defense-systems/uzume.md
+++ b/content/2.defense-systems/uzume.md
@@ -1,4 +1,6 @@
-# Uzume
+---
+title: Uzume
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/viperin.md b/content/2.defense-systems/viperin.md
index 9e490e6fd598c691777e309c14eaa72632c6a088..019daef79b53b3e797b9d295d4ceca5627897538 100644
--- a/content/2.defense-systems/viperin.md
+++ b/content/2.defense-systems/viperin.md
@@ -1,4 +1,6 @@
-# Viperin
+---
+title: Viperin
+---
 
 ## Description
  
diff --git a/content/2.defense-systems/wadjet.md b/content/2.defense-systems/wadjet.md
index bddd980511b1ed41f978f244a60d446bb5151fdc..26b2740561b03da15dd882f8a17df3a04ee53f48 100644
--- a/content/2.defense-systems/wadjet.md
+++ b/content/2.defense-systems/wadjet.md
@@ -1,4 +1,6 @@
-# Wadjet
+---
+title: Wadjet
+---
 
 ## Example of genomic structure
 
diff --git a/content/2.defense-systems/zorya.md b/content/2.defense-systems/zorya.md
index f2f42e8e1aa0a28efb7c53e52c9208c1b8bdf04a..434103ad3fab8f7f59256727b6f2acc85d2b5ba0 100644
--- a/content/2.defense-systems/zorya.md
+++ b/content/2.defense-systems/zorya.md
@@ -1,4 +1,6 @@
-# Zorya
+---
+title: Zorya
+---
 
 ## Example of genomic structure