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KMID : 0880220200580120998
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Journal of Microbiology
2020 Volume.58 No. 12 p.998 ~ p.1009
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Patterns and drivers of Vibrio isolates phylogenetic diversity in the Beibu Gulf, China
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Chen Xing
Du Hong
Chen Si
Li Xiaoli
Zhao Huaxian
Xu Qiangsheng
Tang Jinli
Jiang Gonglingxia
Zou Shuqi
Dong Ke
Adams Jonathan M.
Li Nan
Jiang Chengjian
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Abstract
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Members of the genus Vibrio are ubiquitous in aquatic environments and can be found either in a culturable or a viable but nonculturable (VBNC) state. Despite widespread concerns as to how to define the occurrence and dynamics of Vibrio populations by culture-independent approaches, further physiological research and relevant biotechnological developments will require the isolation and cultivation of the microbes from various environments. The present work provides data and perspectives on our understanding of culturable Vibrio community structure and diversity in the Beibu Gulf. Finally, we isolated 1,037 strains of Vibrio from 45 samples and identified 18 different species. Vibrio alginolyticus, V. cyclitrophicus, V. tasmaniensis, V. brasiliensis, and V. splendidus were the dominant species that had regional distribution characteristics. The correlation between the quantitative distribution and community structure of culturable Vibrio and environmental factors varied with the Vibrio species and geographical locations. Among them, salinity, nitrogen, and phosphorus were the main factors affecting the diversity of culturable Vibrio. These results help to fill a knowledge gap on Vibrio diversity and provide data for predicting and controlling pathogenic Vibrio outbreaks in the Beibu Gulf.
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KEYWORD
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16S rRNA, Beibu Gulf, isolates, thiosulfate-citratebile-salt-sucrose (TCBS) agar, drivers, Vibrio diversity
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