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Complete Genome Sequence of Cd(II)-Resistant Arthrobacter sp. PGP41, a Plant Growth-Promoting Bacterium with Potential in Microbe-Assisted Phytoremediation

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Abstract

Microbe-assisted phytoremediation has great potential for practical applications. Plant growth-promoting bacteria (PGPB) with heavy metal (HM) resistance are important for the implementation of PGPB-assisted phytoremediation of HM-contaminated environments. Arthrobacter sp. PGP41 is a Cd(II)-resistant bacterium isolated from the rhizosphere soils of a Cd(II) hyperaccumulator plant, Solanum nigrum. Strain PGP41 can significantly improve plant seedling and root growth under Cd(II) stress conditions. This bacterium exhibited the ability to produce high levels of indole-3-acetic acid (IAA), as well as the ability to fix nitrogen and solubilize phosphate, and it possessed 1-aminocyclopropane-1-carboxylate (ACC) deaminase activity. Here, we present the complete genome sequence of strain PGP41. The genome consists of a single chromosome with a G+C content of 65.38% and no plasmids. The genome encodes 3898 genes and contains 49 tRNA and 12 rRNA genes. Multiple genes associated with plant growth promotion were identified in the genome. The whole genome sequence of PGP41 provides information useful for further clarifying the molecular mechanisms behind plant growth promotion by PGPB and facilitates its potential use as an inoculum in the bioremediation of HM-contaminated environments.

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Acknowledgements

This work was funded by the Fundamental Research Funds for the Central Universities (KJQN201532 and KJQN201641), the National Key Research and Development Program of China (2016YFD0800803), the National Natural Science Foundation of China (31770404), China Postdoctoral Science Foundation (2016T90468), and the Science Foundation of Jiangsu Province, China (BK20150670).

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  1. College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, People’s Republic of China

    Xihui Xu, Meng Xu, Qiming Zhao, Yan Xia, Chen Chen & Zhenguo Shen

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  1. Xihui Xu
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Correspondence to Chen Chen.

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Xu, X., Xu, M., Zhao, Q. et al. Complete Genome Sequence of Cd(II)-Resistant Arthrobacter sp. PGP41, a Plant Growth-Promoting Bacterium with Potential in Microbe-Assisted Phytoremediation. Curr Microbiol 75, 1231–1239 (2018). https://doi.org/10.1007/s00284-018-1515-z

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  • DOI: https://doi.org/10.1007/s00284-018-1515-z

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