Affiliation:
1. Department of Chemical Engineering, Pennsylvania State University, University Park, PA 16802-4400, USA
Abstract
As new phage-defense systems (PDs) are discovered, the overlap between their mechanisms and those of toxin/antitoxin systems (TAs) is becoming clear in that both use similar means to reduce cellular metabolism; for example, both systems have members that deplete energetic compounds (e.g., NAD+, ATP) and deplete nucleic acids, and both have members that inflict membrane damage. Moreover, both TAs and PDs are similar in that rather than altruistically killing the host to limit phage propagation (commonly known as abortive infection), both reduce host metabolism since phages propagate less in slow-growing cells, and slow growth facilitates the interaction of multiple phage-defense systems.
Funder
Novo Nordic Foundation Exploratory Interdisciplinary Synergy Programme
Subject
Virology,Infectious Diseases
Cited by
2 articles.
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