Role of RpoN from Labrenzia aggregata LZB033 ( Rhodobacteraceae ) in Formation of Flagella and Biofilms, Motility, and Environmental Adaptation | Zendy

Tingting Xu | Zendy; Min Yu | Zendy; Jingli Liu | Zendy; Heyu Lin | Zendy; Jinchang Liang | Zendy; XiaoHua Zhang | Zendy

Open Access

Role of RpoN from Labrenzia aggregata LZB033 ( Rhodobacteraceae ) in Formation of Flagella and Biofilms, Motility, and Environmental Adaptation

Author(s) -

Tingting Xu,

Min Yu,

Jingli Liu,

Heyu Lin,

Jinchang Liang,

XiaoHua Zhang

Publication year - 2019

Publication title -

applied and environmental microbiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.552

H-Index - 324

eISSN - 1070-6291

pISSN - 0099-2240

DOI - 10.1128/aem.02844-18

Subject(s) - rpon , biology , biofilm , mutant , microbiology and biotechnology , sigma factor , flagellum , gene , genetics , bacteria , gene expression , promoter

This study established an in-frame gene deletion method in the alphaproteobacteriumLabrenzia aggregata LZB033 and generated anrpoN gene mutant. A comparison of the transcriptomes and phenotypic characteristics between the mutant and wild-type strains confirmed the role of RpoN inL. aggregata LZB033 flagellar formation, motility, biofilm formation, and carbon usage. Most importantly, RpoN is a key factor for survival under different environmental challenge conditions. Furthermore, the ability to synthesize and metabolize dimethylsulfoniopropionate (DMSP) was related to RpoN. These features revealed RpoN to be an important regulator of stress resistance and survival forL. aggregata LZB033 in marine environments.

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