An ECF41 Family σ Factor Controls Motility and Biogenesis of Lateral Flagella in Azospirillum brasilense Sp245-Reference-Cited by-同舟云学术

An ECF41 Family σ Factor Controls Motility and Biogenesis of Lateral Flagella in Azospirillum brasilense Sp245

Published:2020-07-27 Issue:16 Volume:202 Page:
ISSN:0021-9193
Container-title:Journal of Bacteriology
language:en
Short-container-title:J Bacteriol

Author:

Dubey Ashutosh Prakash¹,Pandey Parul¹,Singh Vijay Shankar¹,Mishra Mukti Nath¹,Singh Sudhir¹,Mishra Rajeev²,Tripathi Anil Kumar¹^ORCID

Affiliation:

1. School of Biotechnology, Institute of Science, Banaras Hindu University, Varanasi, India

2. Bioinformatics programme, Mahila Maha Vidyalaya, Banaras Hindu University, Varanasi, India

Abstract

Among extracytoplasmic function (ECF) σ factors, ECF41-type σ factors are unique due to the presence of a large C-terminal extension in place of a cognate anti-σ factor, which regulates their activity. Despite their wide distribution and abundance in bacterial genomes, their physiological or behavioral roles are not known. We show here an indirect negative role of an ECF41-type of σ factor in the expression of lateral flagellar genes and motility in A. brasilense . This study suggests that the motility of A. brasilense might be controlled by a regulatory cascade involving RpoE10, an unknown repressor, LafR1, and lateral flagellar genes, including that encoding Laf1.

Publisher

American Society for Microbiology

Subject

Molecular Biology,Microbiology

Link

https://journals.asm.org/doi/pdf/10.1128/JB.00231-20

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