Dataset Information

Genome Sequences of Vibrio maerlii sp. nov. and Vibrio rhodolitus sp. nov., Isolated from Rhodoliths.

ABSTRACT: We report here the genome sequences of the novel isolates G62T and G98T from rhodoliths. The nearly complete genomes consisted of 4.7?Mbp (4,233 coding sequences [CDS]) for G62T and 4.5?Mbp (4,085 CDS) for G98T. Genomic taxonomy places these new genomes into 2 new species.

SUBMITTER: Silva CSF

PROVIDER: S-EPMC6256479 | biostudies-literature | 2018 Nov

REPOSITORIES: biostudies-literature

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Publications

Genome Sequences of Vibrio maerlii sp. nov. and Vibrio rhodolitus sp. nov., Isolated from Rhodoliths.

Silva Camila S F CSF Walter Juline M JM Nobrega Maria S MS Calegario Gabriela G Appolinario Luciana R LR Leomil Luciana L Cavalcanti Giselle G Silva Bruno S BS Garcia Gizele D GD Tschoeke Diogo D Swings Jean J Thompson Fabiano L FL Thompson Cristiane C CC

Microbiology resource announcements 20181115 19

We report here the genome sequences of the novel isolates G62T and G98T from rhodoliths. The nearly complete genomes consisted of 4.7 Mbp (4,233 coding sequences [CDS]) for G62T and 4.5 Mbp (4,085 CDS) for G98T. Genomic taxonomy places these new genomes into 2 new species. ...[more]

PMID: 30533792

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Project description:Three bacterial strains, XENO-2T, XENO-7T, and XENO-10T, isolated from Steinernema entomopathogenic nematodes, were found to represent novel Xenorhabdus species. In this study, we describe these new species by whole-genome and whole-proteome phylogenomic reconstructions, by calculating sequence identity scores using core genome sequences, and by phenotypic characterization. Phylogenomic reconstructions using ribosomal and house-keeping genes, and whole-genome and whole-proteome sequences show that XENO-2T and XENO-10T are closely related to Xenorhabdus japonica DSM 16522T and that XENO-7T is closely related to Xenorhabdus bovienii subsp. africana XENO-1T and to X. bovienii subsp. bovienii T228T. The dDDH values between XENO-2T and XENO-10T and between XENO-2T and X. japonica DSM 16522T are 56.4 and 51.8%, respectively. The dDDH value between XENO-10T and X. japonica DSM 16522T is 53.4%. The dDDH values between XENO-7T and X. bovienii subsp. africana XENO-1T and between XENO-7T and X. bovienii subsp. bovienii T228T are 63.6 and 69.4%, respectively. These dDDH values are below the 70% divergence threshold for prokaryotic species delineation. The newly described species are highly pathogenic to G. mellonella larvae, grow at pH between 5 and 9 (optimum 5-7), at salt concentrations of 1-3% (optimum 1-2%), and temperatures between 20 and 37 °C (optimum 28-30 °C). Biochemical tests such as lysine decarboxylase, ornithine decarboxylase, urease, gelatinase, citrate utilization, indole and acetoin production, and cytochrome oxidase tests allow to differentiate the novel species from their more closely related species. Considering these genetic and phenotypic divergencies, we propose the following new species: Xenorhabdus aichiensis sp. nov. with XENO-7T (= CCM 9233T = CCOS 2024T) as the type strain, Xenorhabdus anantnagensis sp. nov., with XENO-2T (= CCM 9237T = CCOS 2023T) as the type strain, and Xenorhabdus yunnanensis sp. nov., with XENO-10T (= CCM 9322T = CCOS 2071T) as the type strain. Our study contributes to a better understanding of the biodiversity and phylogenetic relationships of entomopathogenic bacteria associated with insect parasitic nematodes.

Dataset Information

Genome Sequences of Vibrio maerlii sp. nov. and Vibrio rhodolitus sp. nov., Isolated from Rhodoliths.

Publications

Genome Sequences of <i>Vibrio maerlii</i> sp. nov. and <i>Vibrio rhodolitus</i> sp. nov., Isolated from Rhodoliths.

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