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Updated: Jan 28, 2026

Cell-free Protein Expression Using the Rapidly Growing Bacterium Vibrio natriegens
Published on: March 14, 2019
Vibrio zhugei sp. nov., a moderately halophilic bacterium isolated from pickling sauce
Zhuang Guo1, Weicheng Li2, Yurong Wang1
11Northwest Hubei Research Institute of Traditional Fermented Food, College of Food Science and Technology, Hubei University of Arts and Science, Xiangyang, Hubei, PR China.
Abstract:
Strain HBUAS61001T was isolated from the pickling sauce used to make a traditional fermented food product, datoucai, in China. The strain belonged to the genus Vibrio, but was placed in a clade separate from any known Vibrio species based on the 16S rRNA gene and MLSA results. The genome consisted of two chromosomes: chromosome I was 2 901 449 bp long with a G+C content of 45.4 mol%; and chromosome II was 1 107 930 bp long with a G+C content of 45.5 mol%. The most abundant fatty acids were C16 : 0 (28.1 %), summed feature 3 (C16 : 1ω7c and/or C16 : 1ω6c, 29.4 %) and summed feature 8 (C18 : 1ω7c and/or C18 : 1ω6c, 10.1 %). The isoprenoid quinones detected were Q7 and Q8. The predominant polar lipids were diphosphatidylglycerol, phosphatidylethanolamine and phosphatidylglycerol. Strain HBUAS61001T could grow in the presence of up to 17 % NaCl. The calculated average nucleotide identity and in silico DNA-DNA hybridization (GGDC) values of the strain against the closest related type strains were all lower than 95 and 70 %, respectively. Putative genes in the genome associated with survival under high salinity stress were identified. Based on whole genome sequence analysis and phenotypic characteristics, strain HBUAS61001T is a new species in the genus Vibrio, and the name Vibrio zhugei (=GDMCC 1.1416T=KCTC 62784T) is proposed.
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