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Volume 72, Issue 7

Description of gen. nov., sp. nov., a novel member of the family isolated from the sediment of the Mariana Trench No Access

Abstract

In this study, we describe a Gram-stain-negative, rod-shaped, non-motile and aerobic bacterium, named strain MT3330, which was isolated from the deep-sea sediment of the Mariana Trench. Growth of MT3330 occurred at 15–40 °C (optimum, 25–30 °C), pH 5.0–10.0 (optimum, 7.0–8.0) and with 0–8.0 % (w/v) NaCl (optimum, 0–2.0 %). The results of phylogenetic analysis based on 16S rRNA gene sequence indicated that MT3330 represented a member of the family and was most closely related to HN-Y44 (92.3 % sequence similarity). The results of genomic analysis indicated that MT3330 contains a circular chromosome of 4 365 036 bp with a DNA G+C content of 35.2 %. The predominant respiratory quinone of MT3330 was MK-6. The polar lipids of MT3330 included phosphatidylethanolamine, three unidentified amino lipids and four unidentified lipids. The major fatty acids of MT3330 included C, iso-CG, iso-C 3-OH, and iso-C 3-OH. On the basis of the results of the phylogenetic, physiological, biochemical and morphological analyses, it is suggested that strain MT3330 represents a novel genus and a novel species of the family , and the name gen. nov., sp. nov. is proposed. The type strain is MT3330 (=MCCC 1K06012=KCTC 82823).

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  • Accepted:
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Keyword(s): Bacteroidota , Flavobacteriaceae , Mariana Trench and sediment
© 2022 The Authors
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2022-07-18
2024-04-28
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Description of Abyssalbus ytuae gen. nov., sp. nov., a novel member of the family Flavobacteriaceae isolated from the sediment of the Mariana Trench
Int J Syst Evol Microbiol 72, 005459 (2022); https://doi.org/10.1099/ijsem.0.005459
/content/journal/ijsem/10.1099/ijsem.0.005459
/content/journal/ijsem/10.1099/ijsem.0.005459
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