Genomic Structure of an Economically Important Cyanobacterium, Arthrospira (Spirulina) platensis NIES-39

被引：94

作者：

Fujisawa, Takatomo ^{[1
]}

Narikawa, Rei ^{[2
]}

Okamoto, Shinobu ^{[3
]}

Ehira, Shigeki ^{[4
]}

Yoshimura, Hidehisa ^{[2
]}

Suzuki, Iwane ^{[5
]}

Masuda, Tatsuru ^{[2
]}

Mochimaru, Mari ^{[6
]}

Takaichi, Shinichi ^{[7
]}

Awai, Koichiro ^{[8
]}

Sekine, Mitsuo ^{[1
]}

Horikawa, Hiroshi ^{[1
]}

Yashiro, Isao ^{[1
]}

Omata, Seiha ^{[1
]}

Takarada, Hiromi ^{[1
]}

Katano, Yoko ^{[1
]}

Kosugi, Hiroki ^{[1
]}

Tanikawa, Satoshi ^{[1
]}

Ohmori, Kazuko ^{[9
]}

Sato, Naoki ^{[2
]}

Ikeuchi, Masahiko ^{[2
]}

Fujita, Nobuyuki ^{[1
]}

Ohmori, Masayuki ^{[4
]}

机构：

[1] NITE, Dept Biotechnol, Bioresource Informat Ctr, Shibuya Ku, Tokyo 1510066, Japan

[2] Univ Tokyo, Dept Life Sci Biol, Meguro Ku, Tokyo 1538902, Japan

[3] Res Org Informat & Syst, Database Ctr Life Sci, Bunkyo Ku, Tokyo 1130032, Japan

[4] Chuo Univ, Fac Sci & Engn, Dept Biol Sci, Bunkyo Ku, Tokyo 1128551, Japan

[5] Univ Tsukuba, Grad Sch Life & Environm Sci, Tsukuba, Ibaraki 3058572, Japan

[6] Komazawa Univ, Fac Nat Sci, Setagaya Ku, Tsukuba, Ibaraki 1548525, Japan

[7] Nippon Med Sch, Biol Lab, Nakahara Ku, Kawasaki, Kanagawa 2110063, Japan

[8] Shizuoka Univ, Div Global Res Leaders, Suruga Ku, Shizuoka 4228529, Japan

[9] Showa Womens Univ, Dept Life Sci, Setagaya Ku, Tokyo 1548533, Japan

来源：

DNA RESEARCH | 2010年 / 17卷 / 02期

关键词：

cyanobacteria; Arthrospira; health supplement; genome; cAMP; MICROBIAL GENE IDENTIFICATION; PROVIDES ACQUIRED-RESISTANCE; SIGNAL-TRANSDUCTION; GAF-DOMAIN; HETEROCYST DIFFERENTIATION; FILAMENTOUS CYANOBACTERIA; RESPONSE-REGULATOR; PATTERN-FORMATION; GLIDING MOTILITY; ADENYLYL-CYCLASE;

D O I：

10.1093/dnares/dsq004

中图分类号：

Q3 [遗传学];

学科分类号：

071007 ; 090102 ;

摘要：

A filamentous non-N-2-fixing cyanobacterium, Arthrospira (Spirulina) platensis, is an important organism for industrial applications and as a food supply. Almost the complete genome of A. platensis NIES-39 was determined in this study. The genome structure of A. platensis is estimated to be a single, circular chromosome of 6.8 Mb, based on optical mapping. Annotation of this 6.7 Mb sequence yielded 6630 protein-coding genes as well as two sets of rRNA genes and 40 tRNA genes. Of the protein-coding genes, 78% are similar to those of other organisms; the remaining 22% are currently unknown. A total 612 kb of the genome comprise group II introns, insertion sequences and some repetitive elements. Group I introns are located in a protein-coding region. Abundant restriction-modification systems were determined. Unique features in the gene composition were noted, particularly in a large number of genes for adenylate cyclase and haemolysin-like Ca2+-binding proteins and in chemotaxis proteins. Filament-specific genes were highlighted by comparative genomic analysis.

引用

页码：85 / 103

页数：19

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