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INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY logo

Volume 68, Issue 5

sp. nov., a novel alkalitolerant alphaproteobacterium isolated from forest soil Free

Abstract

A novel -proteobacterium, designated strain S-54, was isolated from forest soil sampled at Kyonggi University and subjected to polyphasic study. Cells were aerobic, Gram-stain-negative, catalase- and oxidase-positive, non-motile, non-spore-forming, rod-shaped and yellow-pigmented. Flexirubin-type pigments were absent. Strain S-54 assimilated lactic acid, -glucose and 4-hydroxybenzoic acid. Strain S-54 tolerated 4 % NaCl (w/v), and grew optimally at 45 °C and pH 10.5. Phylogenetic analysis based on 16S rRNA gene sequence data revealed that strain S-54 formed a lineage within the class of the phylum that was distinct from various members of the genus , including JCM 17037 (96.8 % sequence similarity), S3-63 (96.6 %), KCTC 22672 (96.5 %) and C9-11 (96.5 %). Q-10 was the sole isoprenoid quinone. The major polar lipids were phosphatidylethanolamine, diphosphatidylglycerol, phosphatidylglycerol and sphingoglycolipid. The major cellular fatty acids were Cω7, C and C18 : 1ω7 11-methyl. The DNA G+C content of strain S-54 was 64.2 mol%. On the basis of the results of phenotypic, genotypic, chemotaxonomic and phylogenetic analysis, strain S-54 represents a novel species in the genus , for which the name sp. nov. is proposed. The type strain of is S-54 (=KEMB 9005-542=KACC 19119=NBRC 112676).

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Keyword(s): alkalitolerant , Altererythrobacter fulvus sp. nov. , forest soil , lactic acid , yellow-pigmented and α-Proteobacteria
© 2018 IUMS
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2018-05-01
2024-04-19
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Altererythrobacter fulvus sp. nov., a novel alkalitolerant alphaproteobacterium isolated from forest soil
Int J Syst Evol Microbiol 68, 1502 (2018); https://doi.org/10.1099/ijsem.0.002697
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