Ancylobacter mangrovi sp. nov., a novel endophytic bacterium isolated from mangrove plant

IF 3.3 2区 生物学 Q2 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Systematic and applied microbiology Pub Date : 2023-05-01 DOI:10.1016/j.syapm.2023.126419
Fei-Na Li , Zhou-Qing Zheng , Ming-Sheng Chen , Xiao-Hui Chen , Li Tuo
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Abstract

Two novel strains GSK1Z-4-2T and MQZ15Z-1 were isolated from branches of mangrove plants collected from Guangxi Zhuang Autonomous Region, China. Both strains were Gram-negative, aerobic, non-flagellated and non-spore-forming bacteria. The comparison of 16S rRNA gene sequences initially indicated that the two strains were assigned to the genus Ancylobacter with sharing the highest similarity to Ancylobacter pratisalsi DSM 102029T (97.3%). The 16S rRNA gene sequence similarity, average nucleotide identity (ANI) and in silico DNA-DNA hybridization (isDDH) values between strains GSK1Z-4-2T and MQZ15Z-1 were 99.9%, 97.4% and 77.4%, respectively, which revealed that the two strains belonged to the same species. Phylogenetic analyses based on 16S rRNA gene sequences and the core proteome showed that the two strains formed a well-supported cluster with A. pratisalsi DSM 102029T. Moreover, the ANI and isDDH values between strain GSK1Z-4-2T and A. pratisalsi DSM 102029T were 83.0% and 25.8%, respectively, demonstrating that strain GSK1Z-4-2T was a previously undescribed species. Meanwhile, strains GSK1Z-4-2T and MQZ15Z-1 exhibited most of chemotaxonomic and phenotypic features consistent with the description of the genus Ancylobacter. Based on the polyphasic data, strains GSK1Z-4-2T and MQZ15Z-1 should represent a novel species of the genus Ancylobacter, for which the name Ancylobacter mangrovi sp. nov. is proposed. The type strain is GSK1Z-4-2T (=MCCC 1K07181T = JCM 34924T).

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从红树林植物中分离的一种新的内生细菌——红树钩杆菌
从广西壮族自治区的红树林植物分支中分离到两个新菌株GSK1Z-4-2T和MQZ15Z-1。这两个菌株都是革兰氏阴性、需氧、无鞭毛和无孢子形成细菌。16S rRNA基因序列的比较初步表明,这两株菌株属于与致病弯曲杆菌DSM 102029T相似性最高的弯曲杆菌属(97.3%)。菌株GSK1Z-4-2T和MQZ15Z-1的16S rNA基因序列相似性、平均核苷酸同一性(ANI)和计算机DNA-DNA杂交(isDDH)值分别为99.9%、97.4%和77.4%,说明这两个菌株属于同一物种。基于16S rRNA基因序列和核心蛋白质组的系统发育分析表明,这两个菌株与a.pratisalsi DSM 102029T形成了一个支持良好的聚类。此外,菌株GSK1Z-4-2T和A.pratisalsi DSM 102029T之间的ANI和isDDH值分别为83.0%和25.8%,表明菌株GSK1Z-4-2T是以前未描述的物种。同时,菌株GSK1Z-4-2T和MQZ15Z-1表现出与弯曲杆菌属描述一致的大部分化学组学和表型特征。根据多相数据,菌株GSK1Z-4-2T和MQZ15Z-1应代表弯曲杆菌属的一个新物种,并为其命名为弯曲杆菌mangrovi sp.nov。型菌株为GSK1Z-4-2T(=MCCC 1K07181T=JCM 34924T)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Systematic and applied microbiology
Systematic and applied microbiology 生物-生物工程与应用微生物
CiteScore
7.50
自引率
5.90%
发文量
57
审稿时长
22 days
期刊介绍: Systematic and Applied Microbiology deals with various aspects of microbial diversity and systematics of prokaryotes. It focuses on Bacteria and Archaea; eukaryotic microorganisms will only be considered in rare cases. The journal perceives a broad understanding of microbial diversity and encourages the submission of manuscripts from the following branches of microbiology:
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