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  • Title: Enterovibrio qingdaonensis sp. nov. and Enterovibrio gelatinilyticus sp. nov., two marine bacteria isolated from surface seawater of Qingdao offshore.
    Author: Huang K, Liu Y, Wang Y, Zhang P, Cheng H, Wang J, Tong W, Xiaolei W, Zhang XH.
    Journal: Antonie Van Leeuwenhoek; 2024 Oct 10; 118(1):17. PubMed ID: 39387978.
    Abstract:
    Two Gram-stain-negative, facultatively anaerobic, motile, and rod-shaped marine bacteria, designated strains ZSDZ35T and ZSDZ42T, were isolated from surface seawater of Qingdao offshore. Phylogenetic analysis of the 16S rRNA genes and whole genome data placed ZSDZ35T and ZSDZ42T within the genus Enterovibrio. Strain ZSDZ35T was most closely related to Enterovibrio nigricans DSM 22720T with 97.55% sequence similarity, whereas ZSDZ42T was most closely related to Enterovibrio calviensis DSM 14347T with 98.97% sequence similarity. Strain ZSDZ35T grew with 0-8% (w/v) NaCl (optimum 4%), at 16-37 °C (optimum 28 °C) and pH 6.0-9.0 (optimum pH 8.0); whereas strain ZSDZ42T grew with 1-7% (w/v) NaCl (5%), at 4-28 °C (8 °C) and pH 6.0-9.0 (pH 7.0). Both strains shared the same major fatty acid components of summed feature 3 (C16:1ω7c or/and C16:1ω6c), summed feature 8 (C18:1ω7c and C18:1ω6c) and C16:0, with different proportions. The DNA G + C contents of strains ZSDZ35T and ZSDZ42T were 47.2% and 46.7%, respectively. Based on the results of polyphasic analyses, ZSDZ35T and ZSDZ42T are considered to represent novel species, for which the names Enterovibrio qingdaonensis sp. nov. (type strain, ZSDZ35T = MCCC 1K06293T = KCTC 82887T) and Enterovibrio gelatinilyticus sp. nov. (type strain, ZSDZ42T = MCCC 1K06294T = KCTC 82886T) are proposed, respectively.
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