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The draft genome sequence of the plant growth promoting rhizospheric bacterium Enterobacter cloacae SBP-8.

ABSTRACT: Here, we report the draft genome sequence and annotation of plant growth promoting rhizobacterium Enterobacter cloacae SBP-8 isolated from the rhizosphere of Sorghum bicolor L. growing in desert region of Rajasthan, India. From the genome sequences, we identified the genes encoding plant growth promoting properties such as 1-aminocyclopropane-1-carboxylate deaminase (AcdS), phosphate solubilisation, siderophore, and IAA (indole acetic acid) production. The genes encoding different functions required for colonization including motility, chemotaxis, adherence, and secretion system (I, II, IV, VI) were also identified. The complete genome sequence of this bacterium consists of one chromosome (48,54,065 bp) and one plasmid (85,398). The genome sequence of Enterobacter cloacae SBP-8 was deposited in the Genbank with the accession number CP016906 (chromosome) and CP017413 (plasmid).

SUBMITTER: Singh RP

PROVIDER: S-EPMC5374853 | biostudies-literature | 2017 Jun

REPOSITORIES: biostudies-literature

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The draft genome sequence of the plant growth promoting rhizospheric bacterium Enterobacter cloacae SBP-8.

Singh Rajnish Prakash RP Nalwaya Shrayansh S Jha Prabhat Nath PN

Genomics data 20170323

Here, we report the draft genome sequence and annotation of plant growth promoting rhizobacterium Enterobacter cloacae SBP-8 isolated from the rhizosphere of Sorghum bicolor L. growing in desert region of Rajasthan, India. From the genome sequences, we identified the genes encoding plant growth promoting properties such as 1-aminocyclopropane-1-carboxylate deaminase (AcdS), phosphate solubilisation, siderophore, and IAA (indole acetic acid) production. The genes encoding dif ...[more]

PMID: 28386532

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Project description:Enterobacter sp. 638 is an endophytic plant growth promoting gamma-proteobacterium that was isolated from the stem of poplar (Populus trichocarpaxdeltoides cv. H11-11), a potentially important biofuel feed stock plant. The Enterobacter sp. 638 genome sequence reveals the presence of a 4,518,712 bp chromosome and a 157,749 bp plasmid (pENT638-1). Genome annotation and comparative genomics allowed the identification of an extended set of genes specific to the plant niche adaptation of this bacterium. This includes genes that code for putative proteins involved in survival in the rhizosphere (to cope with oxidative stress or uptake of nutrients released by plant roots), root adhesion (pili, adhesion, hemagglutinin, cellulose biosynthesis), colonization/establishment inside the plant (chemiotaxis, flagella, cellobiose phosphorylase), plant protection against fungal and bacterial infections (siderophore production and synthesis of the antimicrobial compounds 4-hydroxybenzoate and 2-phenylethanol), and improved poplar growth and development through the production of the phytohormones indole acetic acid, acetoin, and 2,3-butanediol. Metabolite analysis confirmed by quantitative RT-PCR showed that, the production of acetoin and 2,3-butanediol is induced by the presence of sucrose in the growth medium. Interestingly, both the genetic determinants required for sucrose metabolism and the synthesis of acetoin and 2,3-butanediol are clustered on a genomic island. These findings point to a close interaction between Enterobacter sp. 638 and its poplar host, where the availability of sucrose, a major plant sugar, affects the synthesis of plant growth promoting phytohormones by the endophytic bacterium. The availability of the genome sequence, combined with metabolome and transcriptome analysis, will provide a better understanding of the synergistic interactions between poplar and its growth promoting endophyte Enterobacter sp. 638. This information can be further exploited to improve establishment and sustainable production of poplar as an energy feedstock on marginal, non-agricultural soils using endophytic bacteria as growth promoting agents.

Dataset Information

The draft genome sequence of the plant growth promoting rhizospheric bacterium Enterobacter cloacae SBP-8.

Publications

The draft genome sequence of the plant growth promoting rhizospheric bacterium <i>Enterobacter cloacae</i> SBP-8.

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