Complete Genome Sequence of Microcystis aeruginosa NIES-2481 and Common Genomic Features of Group G M. aeruginosa.

Journal of Genomics Pub Date : 2018-03-19 eCollection Date: 2018-01-01 DOI:10.7150/jgen.24935

Haruyo Yamaguchi, Shigekatsu Suzuki, Yasunori Osana, Masanobu Kawachi

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引用次数: 9

Abstract

Microcystis aeruginosa is a freshwater bloom-forming cyanobacterium that is distributed worldwide. M. aeruginosa can be divided into at least 8 phylogenetic groups (A-G and X) at the intraspecific level. Here, we report the complete genome sequence of M. aeruginosa NIES-2481, which was isolated from Lake Kasumigaura, Japan, and is assigned to group G. The complete genome sequence of M. aeruginosa NIES-2481 comprises a 4.29-Mbp circular chromosome and a 147,539-bp plasmid; the circular chromosome and the plasmid contain 4,332 and 167 protein-coding genes, respectively. Comparative analysis with the complete genome of M. aeruginosa NIES-2549, which belongs to the same group with NIES-2481, showed that the genome size is the smallest level in previously sequenced M. aeruginosa strains, and the genomes do not contain a microcystin biosynthetic gene cluster in common. Synteny analysis revealed only small-scale rearrangements between the two genomes.

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铜绿微囊藻NIES-2481全基因组序列及G组铜绿微囊藻基因组特征。

铜绿微囊藻是一种淡水藻华形成蓝藻，分布在世界各地。在种内水平上，铜绿假单胞菌可分为至少8个系统发育群(A-G和X)。本文报道了从日本Kasumigaura湖分离到的M. aeruginosa NIES-2481的全基因组序列，该菌株归属于g群。该菌株的全基因组序列包括一条4.29 mbp的环状染色体和一个147539 bp的质粒;环状染色体和质粒分别含有4332个和167个蛋白质编码基因。与同属菌株NIES-2481的铜绿假单胞菌(M. aeruginosa) NIES-2549的全基因组比较分析表明，该菌株的基因组大小在已测序的铜绿假单胞菌菌株中是最小的，且基因组中不包含微囊藻毒素生物合成基因簇。Synteny分析显示两个基因组之间只有小规模的重排。

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

Journal of Genomics

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审稿时长

12 weeks

期刊介绍： Journal of Genomics publishes papers of high quality in all areas of gene, genetics, genomics, proteomics, metabolomics, DNA/RNA, computational biology, bioinformatics, and other relevant areas of research and application. Articles published by the journal are rigorously peer-reviewed. Types of articles include: Research paper, Short research communication, Review or mini-reviews, Commentary, Database, Software.