Merge branch 'PD-T7-1' into 'main'

Update pd-t7-1.md

See merge request !57

content/3.defense-systems/pd-t7-1.md

@@ -9,11 +9,20 @@ tableColumns:
     Sensor: Unknown
     Activator: Unknown
     Effector: Unknown
+contributors:
+    - Hugo Vaysset
 relevantAbstracts:
     - doi: 10.1038/s41564-022-01219-4
 ---
 
 # PD-T7-1
+
+## Description
+PD-T7-1 is a single gene defense systems which was discovered in :ref{doi=10.1038/s41564-022-01219-4}. Its antiphage activity was assessed in *E. coli* and it was shown to be active against T7.
+
+## Molecular mechanism
+As far as we are aware, the molecular mechanism is unknown.
+
 ## Example of genomic structure
 
 The PD-T7-1 is composed of 1 protein: PD-T7-1.
@@ -25,8 +34,12 @@ Here is an example found in the RefSeq database:
 The PD-T7-1 system in *Klebsiella sp. P1927* (GCF_018204675.1, NZ_CP073377) is composed of 1 protein: PD-T7-1 (WP_004150873.1) 
 
 ## Distribution of the system among prokaryotes
+<<<<<<< content/3.defense-systems/pd-t7-1.md
+The PD-T7-1 system is present in a total of 136 different species.
+=======
 
 Among the 22,803 complete genomes of RefSeq, the PD-T7-1 is detected in 748 genomes (3.28 %).
+>>>>>>> content/3.defense-systems/pd-t7-1.md
 
 The system was detected in 146 different species.