Complete genome sequence of Psychrobacter cibarius AOSW16051, a trimeric autotransporter adhesin synthesizing bacterium isolated from the Baltic Sea

IF 1.3 4区生物学 Q4 GENETICS & HEREDITY Marine genomics Pub Date : 2023-12-14 DOI:10.1016/j.margen.2023.101082

Xiao-Yu Wang , Tianyin Miao , Yuyi Wang , Zhangwei Guo , Jin-Long Yang , Xiao Liang

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Abstract

Bacteria of the genus Psychrobacter are widely distributed in the global low-temperature marine environment and have been studied for their effects on the settlement and metamorphosis of marine invertebrates. Psychrobacter cibarius AOSW16051 was isolated from the surface water samples of the Baltic Sea on the edge of the Arctic Ocean. Here, we present the complete genome of strain AOSW16051, which consists of a circular chromosome composed of 3,425,040 nucleotides with 42.98% G + C content and a circular plasmid composed of 5846 nucleotides with 38.66% G + C content. The genes predicted in this strain showed its strong outer membrane system, type VI secretion system and adhesion system. Trimeric autotransporter adhesins (TAAs) has been identified in the genome of P. cibarius AOSW16051, which has a variety of biological functions in interacting with host cells. However, there are no reports on TAAs in marine bacteria and aquatic pathogenic bacteria. By analyzing the genomic data, we can gain valuable insights to enhance our understanding of the physiological characteristics of P. cibarius, as well as the biological functions of TAAs and their role in triggering metamorphosis of invertebrate larvae.

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从波罗的海分离的三聚体自转运粘附素合成细菌 Cibarius AOSW16051 的完整基因组序列

Psychrobacter属细菌广泛分布于全球低温海洋环境中，其对海洋无脊椎动物的沉降和变态的影响已被研究。从北冰洋边缘的波罗的海地表水样品中分离到一株嗜冷杆菌(AOSW16051)。在此，我们展示了菌株AOSW16051的完整基因组，它由一条由3,425,040个核苷酸组成的环状染色体和一个由5846个核苷酸组成的环状质粒组成，G + C含量为42.98%。结果表明，该菌株具有较强的外膜系统、VI型分泌系统和粘附系统。三聚体autotransporter adhesion (TAAs)在恙虫asw16051基因组中被鉴定出来，具有多种与宿主细胞相互作用的生物学功能。然而，在海洋细菌和水生致病菌中尚未见有关TAAs的报道。通过对基因组数据的分析，我们可以获得有价值的见解，以增强我们对中国蠓的生理特性，以及TAAs的生物学功能及其在引发无脊椎动物幼虫变态中的作用。

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来源期刊

Marine genomics 生物-遗传学

CiteScore

3.60

自引率

5.30%

发文量

审稿时长

29 days

期刊介绍： The journal publishes papers on all functional and evolutionary aspects of genes, chromatin, chromosomes and (meta)genomes of marine (and freshwater) organisms. It deals with new genome-enabled insights into the broader framework of environmental science. Topics within the scope of this journal include: • Population genomics and ecology • Evolutionary and developmental genomics • Comparative genomics • Metagenomics • Environmental genomics • Systems biology More specific topics include: geographic and phylogenomic characterization of aquatic organisms, metabolic capacities and pathways of organisms and communities, biogeochemical cycles, genomics and integrative approaches applied to microbial ecology including (meta)transcriptomics and (meta)proteomics, tracking of infectious diseases, environmental stress, global climate change and ecosystem modelling.