Vibrio tetraodonis sp. nov.: genomic insights on the secondary metabolites repertoire
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Vibrio tetraodonis sp. nov.: genomic insights on the secondary metabolites repertoire Gustavo P. R. Azevedo1 · Hannah K. Mattsson1 · Grasiele R. Lopes1 · Livia Vidal1 · Mariana Campeão1 · Luciane A. Chimetto Tonon2 · Gizele D. Garcia1,3 · Diogo A. Tschoeke1 · Bruno S. Silva1 · Koko Otsuki1 · Bruno Gomez‑Gil4 · Jean Swings1 · Fabiano L. Thompson1 · Cristiane C. Thompson1 Received: 8 April 2020 / Revised: 30 July 2020 / Accepted: 8 August 2020 © Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract Description of a Gram-negative, motile, circular-shaped bacterial strain, designated A 511T obtained from the skin of the pufferfish Sphoeroides spengleri (Family Tetraodontidae), collected in Arraial do Cabo, Brazil. Optimum growth occurs at 20–28 °C in the presence of 3% NaCl. The genome sequence of the novel isolate consisted of 4.36 Mb, 3,976 coding genes and G + C content of 42.5%. Genomic taxonomy analyses based on average amino acid (AAI), genome-to-genome-distance (GGDH) and phylogenetic reconstruction placed A511T (= CBAS 712T = CAIM 1939T) into a new species of the genus Vibrio (Vibrio tetraodonis sp. nov.). The genome of the novel species contains eight genes clusters (~ 183.9 Kbp in total) coding for different types of bioactive compounds that hint to several possible ecological roles in the pufferfish host. Keywords Vibrio · Tetradontidae · New species · Genomic taxonomy
Introduction The family Vibrionaceae comprises 190 species (128 Vibrio, 35 Photobacterium, 6 Aliivibrio, 5 Enterovibrio, 6 Salinivibrio, 3 Grimontia, 2 Listonella, 2 Thaumasiovibrio, 1 Catenococcus, 1 Paraphotobacterium and 1 Echinimonas) Communicated by Erko Stackebrandt. Electronic supplementary material The online version of this article (https://doi.org/10.1007/s00203-020-02019-2) contains supplementary material, which is available to authorized users. * Gustavo P. R. Azevedo [email protected] * Cristiane C. Thompson [email protected] 1
Institute of Biology and SAGE‑COPPE, Federal University of Rio de Janeiro, Avenida Carlos Chagas Fo, s/n, Bloco A, Ilha do Fundão, Rio de Janeiro, RJ CEP 21941‑590, Brazil
2
Instituto de Química de São Carlos, Universidade de São Paulo, CP 780, São Carlos, SP CEP 13560‑970, Brazil
3
Institute of Microbiology, Federal University of Rio de Janeiro, Macaé, RJ, Brazil
4
CIAD, AC. Mazatlan Unit for Aquaculture, AP 711, 82000 Mazatlan, Sinaloa, Mexico
(Thompson and Gomez-Gil 2018). These bacteria are Gram-negative, fermentative, halophilic, mesophilic, chemoorganotrophic, and ubiquitous in the marine environment (Thompson et al. 2004). The bacterial genome sequence is used as a type material in current prokaryotic taxonomy (Thompson and Gomez-Gil 2018; Whitman et al. 2019). In this context, it is possible to describe new species and in silico phenotypes on the basis of the genome sequences. In addition, some vibrios originated from marine organisms have been deemed a relevant source of novel bioactive compounds (Machado et al. 2015
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