Christiangramia sediminicola sp. nov., a DNA-hydrolysing bacterium isolated from intertidal sediment.

IF 2 3区 生物学 Q4 MICROBIOLOGY International journal of systematic and evolutionary microbiology Pub Date : 2025-03-01 DOI:10.1099/ijsem.0.006703
Jia-Xuan Wang, Jing Wang, Ning-Hua Liu, Qi-Long Qin, Ping-Yi Li, Xiao-Yan Song, Xiu-Lan Chen, Yu-Zhong Zhang, Xi-Ying Zhang
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引用次数: 0

Abstract

A Gram-stain-negative, yellow-pigmented, non-flagellated, motile by gliding, aerobic and rod-shaped bacterial strain, designated SM2212T, was isolated from intertidal sediment of Aoshan Bay in Qingdao, China. The strain grew at 5-35 °C and with 0.5-5.5% NaCl (w/v). It was able to reduce nitrate to nitrite and hydrolyse starch, gelatin and DNA. The phylogenetic trees based on the 16S rRNA genes and single-copy genes showed that strain SM2212T belonged to the genus Christiangramia within the family Flavobacteriaceae, sharing the highest 16S rRNA gene sequence similarity with the type strain of Christiangramia echinicola (97.1%) and 96.2-97.0% 16S rRNA gene sequence similarity with those of other known species in the genus. The major cellular fatty acids were summed feature 3 (C16:1 ω7с and/or C16:1 ω6с), iso-C15:0, iso-C17: 03-OH, summed feature 9 (iso-C17:1  ω9c and/or 10-methyl C16:0) and C16:0. The major polar lipids were phosphatidylethanolamine and an unidentified lipid. The genomic DNA G+C content of strain SM2212T was 37.0 mol%. The digital DNA-DNA hybridization and average nucleotide identity values between strain SM2212T and type strains of closely related known Christiangramia species were below 22.2 and 79.7%, respectively. Based on the polyphasic taxonomic analysis in this study, strain SM2212T is considered to represent a novel species in the genus Christiangramia, for which the name Christiangramia sediminicola is proposed. The type strain is SM2212T (=KCTC 92980T=MCCC 1K07684T).

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来源期刊
CiteScore
5.20
自引率
21.40%
发文量
426
审稿时长
1 months
期刊介绍: Published by the Microbiology Society and owned by the International Committee on Systematics of Prokaryotes (ICSP), a committee of the Bacteriology and Applied Microbiology Division of the International Union of Microbiological Societies, International Journal of Systematic and Evolutionary Microbiology is the leading forum for the publication of novel microbial taxa and the ICSP’s official journal of record for prokaryotic names. The journal welcomes high-quality research on all aspects of microbial evolution, phylogenetics and systematics, encouraging submissions on all prokaryotes, yeasts, microfungi, protozoa and microalgae across the full breadth of systematics including: Identification, characterisation and culture preservation Microbial evolution and biodiversity Molecular environmental work with strong taxonomic or evolutionary content Nomenclature Taxonomy and phylogenetics.
期刊最新文献
Notification that new names of prokaryotes, new combinations and new taxonomic opinions have appeared in volume 74, part 11 of the IJSEM. Ascoidea xinghuacunensis sp. nov., a novel ascomycetous yeast species from Xinghuacun Fenjiu old workshop, Shanxi province of China. Methanococcoides cohabitans sp. nov., a marine methylotrophic methanogen isolated from an anaerobic methane-oxidizing enrichment culture. Niallia tiangongensis sp. nov., isolated from the China Space Station. Christiangramia sediminicola sp. nov., a DNA-hydrolysing bacterium isolated from intertidal sediment.
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