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Complete genome sequence of N2-fixing model strain Klebsiella sp. nov. M5al, which produces plant cell wall-degrading enzymes and siderophores.


ABSTRACT: The bacterial strain M5al is a model strain for studying the molecular genetics of N2-fixation and molecular engineering of microbial production of platform chemicals 1,3-propanediol and 2,3-butanediol. Here, we present the complete genome sequence of the strain M5al, which belongs to a novel species closely related to Klebsiella michiganensis. M5al secretes plant cell wall-degrading enzymes and colonizes rice roots but does not cause soft rot disease. M5al also produces siderophores and contains the gene clusters for synthesis and transport of yersiniabactin which is a critical virulence factor for Klebsiella pathogens in causing human disease. We propose that the model strain M5al can be genetically modified to study bacterial N2-fixation in association with non-legume plants and production of 1,3-propanediol and 2,3-butanediol through degradation of plant cell wall biomass.

SUBMITTER: Yu Z 

PROVIDER: S-EPMC5723360 | biostudies-literature | 2018 Mar

REPOSITORIES: biostudies-literature

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Complete genome sequence of N<sub>2</sub>-fixing model strain <i>Klebsiella</i> sp. nov. M5al, which produces plant cell wall-degrading enzymes and siderophores.

Yu Zhili Z   Li Shuying S   Li Yuanyuan Y   Jiang Zhuang Z   Zhou Jinru J   An Qianli Q  

Biotechnology reports (Amsterdam, Netherlands) 20171122


The bacterial strain M5al is a model strain for studying the molecular genetics of N<sub>2</sub>-fixation and molecular engineering of microbial production of platform chemicals 1,3-propanediol and 2,3-butanediol. Here, we present the complete genome sequence of the strain M5al, which belongs to a novel species closely related to <i>Klebsiella michiganensis</i>. M5al secretes plant cell wall-degrading enzymes and colonizes rice roots but does not cause soft rot disease. M5al also produces sidero  ...[more]

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