The genome sequence and structure of rice chromosome 1
Takuji Sasaki(Institute of Agrobiological Sciences), Takashi Matsumoto(Institute of Agrobiological Sciences), Kimiko Yamamoto(Institute of Agrobiological Sciences), Katsumi Sakata(Institute of Agrobiological Sciences), Tomoya Baba(Institute of Agrobiological Sciences), Yūichi Katayose(Institute of Agrobiological Sciences), Jianzhong Wu(Institute of Agrobiological Sciences), Yoshihito Niimura(National Institute of Genetics), Zhukuan Cheng(University of Wisconsin–Madison), Yoshiaki Nagamura(Institute of Agrobiological Sciences), Baltazar A. Antonio(Institute of Agrobiological Sciences), Hiroyuki Kanamori(Institute of Agrobiological Sciences), Satomi Hosokawa(Institute of Agrobiological Sciences), Masatoshi Masukawa(Institute of Agrobiological Sciences), Koji Arikawa(Institute of Agrobiological Sciences), Yoshino Chiden(Institute of Agrobiological Sciences), Mika Hayashi(Institute of Agrobiological Sciences), Masako Okamoto(Institute of Agrobiological Sciences), Tsuyu Ando(Institute of Agrobiological Sciences), Hiroyoshi Aoki(Institute of Agrobiological Sciences), Kohei Arita(Institute of Agrobiological Sciences), Masao Hamada(Institute of Agrobiological Sciences), Chizuko Harada(Institute of Agrobiological Sciences), Saori Hijishita(Institute of Agrobiological Sciences), Mikiko Honda(Institute of Agrobiological Sciences), Yoko Ichikawa(Institute of Agrobiological Sciences), Atsuko Idonuma(Institute of Agrobiological Sciences), Masumi Iijima(Institute of Agrobiological Sciences), Michiko Ikeda(Institute of Agrobiological Sciences), Maiko Ikeno(Institute of Agrobiological Sciences), Sachie Ito(Institute of Agrobiological Sciences), Tomoko Ito(Institute of Agrobiological Sciences), Yuichi Ito(Institute of Agrobiological Sciences), Yukiyo Ito(Institute of Agrobiological Sciences), Aki Iwabuchi(Institute of Agrobiological Sciences), Kozue Kamiya(Institute of Agrobiological Sciences), Wataru Karasawa(Institute of Agrobiological Sciences), Satoshi Katagiri(Institute of Agrobiological Sciences), Ari Kikuta(Institute of Agrobiological Sciences), Noriko Kobayashi(Institute of Agrobiological Sciences), Izumi Kono(Institute of Agrobiological Sciences), Kayo Machita(Institute of Agrobiological Sciences), Tomoko Maehara(Institute of Agrobiological Sciences), Hiroshi Mizuno(Institute of Agrobiological Sciences), Tatsumi Mizubayashi(Institute of Agrobiological Sciences), Yoshiyuki Mukai(Institute of Agrobiological Sciences), Hideki Nagasaki(Institute of Agrobiological Sciences), Marina Nakashima(Institute of Agrobiological Sciences), Yuko Nakama(Institute of Agrobiological Sciences), Yumi Nakamichi(Institute of Agrobiological Sciences), Mari Nakamura(Institute of Agrobiological Sciences), Nobukazu Namiki(Institute of Agrobiological Sciences), Manami Negishi(Institute of Agrobiological Sciences), Isamu Ohta(Institute of Agrobiological Sciences), Nozomi Ono(Institute of Agrobiological Sciences), Shoko Saji(Institute of Agrobiological Sciences), Kumiko Sakai(Institute of Agrobiological Sciences), Michie Shibata(Institute of Agrobiological Sciences), Takanori Shimokawa(Institute of Agrobiological Sciences), Ayahiko Shomura(Institute of Agrobiological Sciences), Jianyu Song(Institute of Agrobiological Sciences), Yuka Takazaki(Institute of Agrobiological Sciences), Kimihiro Terasawa(Institute of Agrobiological Sciences), Kumiko Tsuji(Institute of Agrobiological Sciences), Kazunori Waki(Institute of Agrobiological Sciences), Harumi Yamagata(Institute of Agrobiological Sciences), Hiroko Yamane(Institute of Agrobiological Sciences), Shoji Yoshiki(Institute of Agrobiological Sciences), Rie Yoshihara(Institute of Agrobiological Sciences), Kazuko Yukawa(Institute of Agrobiological Sciences), Huisun Zhong(Institute of Agrobiological Sciences), Hisakazu Iwama(National Institute of Genetics), Toshinori Endo(Tokyo Medical and Dental University), Hidetaka Ito(Tokyo Medical and Dental University), Jang Ho Hahn(National Institute of Agricultural Science and Technology), Ho-Il Kim(National Institute of Agricultural Science and Technology), Moo-Young Eun(National Institute of Agricultural Science and Technology), Masahiro Yano(Institute of Agrobiological Sciences), Jiming Jiang(University of Wisconsin–Madison), Takashi Gojobori(National Institute of Genetics)
Cited by 551Open Access
Abstract
The rice species Oryza sativa is considered to be a model plant because of its small genome size, extensive genetic map, relative ease of transformation and synteny with other cereal crops. Here we report the essentially complete sequence of chromosome 1, the longest chromosome in the rice genome. We summarize characteristics of the chromosome structure and the biological insight gained from the sequence. The analysis of 43.3 megabases (Mb) of non-overlapping sequence reveals 6,756 protein coding genes, of which 3,161 show homology to proteins of Arabidopsis thaliana, another model plant. About 30% (2,073) of the genes have been functionally categorized. Rice chromosome 1 is (G + C)-rich, especially in its coding regions, and is characterized by several gene families that are dispersed or arranged in tandem repeats. Comparison with a draft sequence indicates the importance of a high-quality finished sequence.
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