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From regulation to ruin: a rogue sigma factor causes cell death in Bacillus subtilis
Journal article   Open access   Peer reviewed

From regulation to ruin: a rogue sigma factor causes cell death in Bacillus subtilis

Amy H. Camp and Craig D. Ellermeier
Journal of bacteriology, Vol.205(10), e00203-23
10/26/2023
DOI: 10.1128/jb.00203-23
PMCID: PMC10601719
PMID: 37795990
url
https://doi.org/10.1128/jb.00203-23View
Published (Version of record) Open Access

Abstract

ABSTRACT A rogue, plasmid-encoded sigma factor that kills Bacillus subtilis is the focus of a new study by A. T. Burton, D. Pospíšilová, P. Sudzinová, E. V. Snider, A. M. Burrage, L. Krásný, and D. B. Kearns (J Bacteriol 205:e00112-23, 2023, https://doi.org/10.1128/jb.00112-23 ). The authors demonstrate that SigN is toxic in its own right, causing cell death by potently outcompeting the housekeeping sigma factor for access to RNA polymerase.

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