Siansivirga zeaxanthinifaciens gen. nov., sp. nov., a novel zeaxanthin-producing member of the family Flavobacteriaceae isolated from coastal seawater of Taiwan

FEMS Microbiology Letters
Asif HameedChiu-Chung Young

Abstract

A strictly aerobic, Gram-negative, rod-shaped bacterium (strain CC-SAMT-1(T)) showing gliding motility was isolated from coastal seawater of China Sea, Taiwan. Strain CC-SAMT-1(T) synthesizes all-trans-zeaxanthin (6.5 ± 0.5 mg g(-1) dry biomass) as a predominant xanthophyll carotenoid. As determined by 16S rRNA gene analysis, strain CC-SAMT-1(T) shared very high sequence similarity to the members of the genera Mariniflexile (96.1-95.3%) and Gaetbulibacter (96.0-95.9%); however, it formed a distinct phyletic lineage distantly associated with Mariniflexile species. Polar lipid profile constitutes phosphatidylethanolamine, four unidentified aminolipids, four unidentified lipids, and an unidentified glycolipid. Strain CC-SAMT-1(T) contains excessive unidentified aminolipid lipid (AL2-4) and glycolipid contents, and therefore clearly distinct from Mariniflexile species. Major fatty acids (> 5% of total fatty acids) were iso-C(15:0) (14.8%), iso-C(17:0) 3-OH (11.8%), iso-C(15:1) G (10.6%), anteiso-C(15:0) (9.7%), C(16:0) (8.1%), iso-C(16:0) 3-OH (7.9%), iso-C(15:0) 3-OH (7.5%), and summed feature 3 (containing C(16:1) ω6c and/or C(16:1) ω7c) (7.5%). Menaquinone-6 (MK-6) was major respiratory quinone. DNA G+C content was 33.7 mol%. Ba...Continue Reading

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Citations

Aug 1, 2013·Applied Biochemistry and Biotechnology·Sudharshan PrabhuA B Arun
May 20, 2014·International Journal of Systematic and Evolutionary Microbiology·Asif HameedChiu-Chung Young
Oct 24, 2017·International Journal of Systematic and Evolutionary Microbiology·Mercy Rose Stella SirraJong-Chan Chae
Jan 22, 2020·FEMS Microbiology Ecology·Asif HameedChiu-Chung Young
May 23, 2020·International Journal of Systematic and Evolutionary Microbiology·Xi FengZong-Jun Du
Oct 12, 2018·International Journal of Systematic and Evolutionary Microbiology·Rui-Han HeZong-Jun Du
Oct 23, 2019·Microorganisms·Kian Mau GohUmmirul Mukminin Kahar
Aug 10, 2021·International Journal of Systematic and Evolutionary Microbiology·Xun-Ke SunZong-Jun Du

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