Sphingobium limneticum sp. nov. and Sphingobium boeckii sp. nov., two freshwater planktonic members of the family Sphingomonadaceae, and reclassification of Sphingomonas suberifaciens as Sphingobium suberifaciens comb. nov

International Journal of Systematic and Evolutionary Microbiology
Hong ChenJörg Overmann

Abstract

Two novel chemo-organoheterotrophic members of the Sphingomonadaceae were isolated from alpine and pre-alpine lakes. Cells stained gram-negative, were motile and rod-shaped, and formed yellow, circular, convex colonies on different agar media. Strains 301(T) and 469(T) were strictly aerobic, catalase- and oxidase-positive, and grew at temperatures between 10 and 40 °C (optimum, 28 °C), and at pH values between 5 and 10 (optimum, pH 7). Both strains contained Q-10 as the dominant quinone, sphingoglycolipids and 2-hydroxymyristic acid, whereas 3-hydroxy fatty acids were absent. Major fatty acids of strain 301(T) were C(18 : 1)ω7c (53.3 %) and C(16 : 1)ω7c (22.9 %), with C(14 : 0) 2-OH (10.8 %) as the major 2-hydroxy fatty acid. Fatty acids of strain 469(T) were dominated by C(18 : 1)ω7c (34.4 %), C(16 : 1)ω7c (32.0 %) and C(14 : 0) 2-OH (15.2 %) as the major 2-hydroxy fatty acid. The genomic DNA G+C contents of strains 301(T) and 469(T) were 63.4 and 64.6 mol%, respectively. 16S rRNA gene sequence comparison indicated that both strains belonged to the genus Sphingobium. This classification was supported by the presence of spermidine as the major polyamine. The phylogenetically closest relatives of strain 301(T) were Sphingobium a...Continue Reading

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Citations

Jan 8, 2016·FEMS Microbiology Ecology·Stefano ColomboDiego Mora
May 20, 2015·International Journal of Systematic and Evolutionary Microbiology·Yang LiuChi Cheng
Nov 12, 2014·International Journal of Systematic and Evolutionary Microbiology·Jae-Chan LeeKyung-Sook Whang
Jun 6, 2016·Current Microbiology·Lu HanBing Xie
Oct 24, 2017·International Journal of Systematic and Evolutionary Microbiology·Yunho Lee, Che Ok Jeon
Jun 6, 2019·International Journal of Systematic and Evolutionary Microbiology·Kunal JaniAvinash Sharma
Aug 19, 2017·International Journal of Systematic and Evolutionary Microbiology·Dhiraj Kumar ChaudharyJaisoo Kim
Nov 22, 2017·International Journal of Systematic and Evolutionary Microbiology·Yunho Lee, Che Ok Jeon
Nov 9, 2017·International Journal of Systematic and Evolutionary Microbiology·Shih-Yao LinChiu-Chung Young
Feb 13, 2020·International Journal of Systematic and Evolutionary Microbiology·Dan QinChang-Ping Yu
Jun 10, 2020·International Journal of Systematic and Evolutionary Microbiology·Shahina Akter, Md Amdadul Huq
Dec 14, 2018·International Journal of Systematic and Evolutionary Microbiology·Lei LiuLubin Li
Jun 7, 2018·Current Microbiology·Dhiraj Kumar ChaudharyJaisoo Kim
Mar 1, 2015·Plant Disease·Ariena H C van Bruggen, Isolde M Francis

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