Multicopy suppressor screens reveal convergent evolution of single-gene lysis proteins.
Journal
Nature chemical biology
ISSN: 1552-4469
Titre abrégé: Nat Chem Biol
Pays: United States
ID NLM: 101231976
Informations de publication
Date de publication:
06 2023
06 2023
Historique:
received:
18
09
2022
accepted:
18
01
2023
medline:
1
6
2023
pubmed:
23
2
2023
entrez:
22
2
2023
Statut:
ppublish
Résumé
Single-strand RNA (ssRNA) Fiersviridae phages cause host lysis with a product of single gene (sgl for single-gene lysis; product Sgl) that induces autolysis. Many different Sgls have been discovered, but the molecular targets of only a few have been identified. In this study, we used a high-throughput genetic screen to uncover genome-wide host suppressors of diverse Sgls. In addition to validating known molecular mechanisms, we discovered that the Sgl of PP7, an ssRNA phage of Pseudomonas aeruginosa, targets MurJ, the flippase responsible for lipid II export, previously shown to be the target of the Sgl of coliphage M. These two Sgls, which are unrelated and predicted to have opposite membrane topology, thus represent a case of convergent evolution. We extended the genetic screens to other uncharacterized Sgls and uncovered a common set of multicopy suppressors, suggesting that these Sgls act by the same or similar mechanism.
Identifiants
pubmed: 36805702
doi: 10.1038/s41589-023-01269-7
pii: 10.1038/s41589-023-01269-7
pmc: PMC10229422
doi:
Banques de données
figshare
['10.6084/m9.figshare.21714296.v2']
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.
Research Support, N.I.H., Extramural
Langues
eng
Sous-ensembles de citation
IM
Pagination
759-766Subventions
Organisme : NIGMS NIH HHS
ID : R35 GM136396
Pays : United States
Organisme : NCRR NIH HHS
ID : S10 RR029668
Pays : United States
Organisme : NCRR NIH HHS
ID : S10 RR027303
Pays : United States
Informations de copyright
© 2023. The Author(s).
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