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| Main Authors: | , , , , , , , , |
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| Format: | Artículo científico |
| Language: | en |
| Published: |
International journal of systematic and evolutionary microbiology
2025
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| Subjects: | |
| Online Access: | https://pubmed.ncbi.nlm.nih.gov/40042886/ |
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Table of Contents:
- sp. nov., a DNA-hydrolysing bacterium isolated from intertidal sediment. Wang, Jia-Xuan Wang, Jing Liu, Ning-Hua Qin, Qi-Long Li, Ping-Yi Song, Xiao-Yan Chen, Xiu-Lan Zhang, Yu-Zhong Zhang, Xi-Ying RNA, Ribosomal, 16S Phylogeny Geologic Sediments DNA, Bacterial Fatty Acids Base Composition Bacterial Typing Techniques Flavobacteriaceae China Nucleic Acid Hybridization Sequence Analysis, DNA Phospholipids A Gram-stain-negative, yellow-pigmented, non-flagellated, motile by gliding, aerobic and rod-shaped bacterial strain, designated SM2212, 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 SM2212 belonged to the genus within the family , sharing the highest 16S rRNA gene sequence similarity with the type strain of (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 (C and/or C ), iso-C, iso-C3-OH, summed feature 9 (iso-C and/or 10-methyl C) and C. The major polar lipids were phosphatidylethanolamine and an unidentified lipid. The genomic DNA G+C content of strain SM2212 was 37.0 mol%. The digital DNA-DNA hybridization and average nucleotide identity values between strain SM2212 and type strains of closely related known species were below 22.2 and 79.7%, respectively. Based on the polyphasic taxonomic analysis in this study, strain SM2212 is considered to represent a novel species in the genus , for which the name is proposed. The type strain is SM2212 (=KCTC 92980=MCCC 1K07684).