Klebsormidium flaccidum genome reveals primary factors for plant terrestrial adaptation

Koichi Hori, Fumito Maruyama, Takatomo Fujisawa, Tomoaki Togashi, Nozomi Yamamoto, Mitsunori Seo, Syusei Sato, Takuji Yamada, Hiroshi Mori, Naoyuki Tajima, Takashi Moriyama, Masahiko Ikeuchi, Mai Watanabe, Hajime Wada, Koichi Kobayashi, Masakazu Saito, Tatsuru Masuda, Yuko Sasaki-Sekimoto, Kiyoshi Mashiguchi, Koichiro Awai, Mie Shimojima, Shinji Masuda, Masako Iwai, Takashi Nobusawa, Takafumi Narise, Satoshi Kondo, Hikaru Saito, Ryoichi Sato, Masato Murakawa, Yuta Ihara, Yui Oshima-Yamada, Kinuka Ohtaka, Masanori Satoh, Kohei Sonobe, Midori Ishii, Ryosuke Ohtani, Miyu Kanamori-Sato, Rina Honoki, Daichi Miyazaki, Hitoshi Mochizuki, Jumpei Umetsu, Kouichi Higashi, Daisuke Shibata, Yuji Kamiya, Naoki Sato, Yasukazu Nakamura, Satoshi Tabata, Shigeru Ida, Ken Kurokawa and Hiroyuki Ohta ()
Additional contact information
Koichi Hori: Center for Biological Resources and Informatics, Tokyo Institute of Technology
Fumito Maruyama: Section of Microbial Genomics and Ecology, Tokyo Medical and Dental University
Takatomo Fujisawa: National Institute of Genetics
Tomoaki Togashi: Tokyo Institute of Technology
Nozomi Yamamoto: Tokyo Institute of Technology
Mitsunori Seo: Center for Sustainable Resource Science, RIKEN
Syusei Sato: Tohoku University
Takuji Yamada: Tokyo Institute of Technology
Hiroshi Mori: Tokyo Institute of Technology
Naoyuki Tajima: Graduate School of Arts and Sciences, The University of Tokyo
Takashi Moriyama: Graduate School of Arts and Sciences, The University of Tokyo
Masahiko Ikeuchi: Graduate School of Arts and Sciences, The University of Tokyo
Mai Watanabe: Graduate School of Arts and Sciences, The University of Tokyo
Hajime Wada: CREST, Japan Science and Technology Agency
Koichi Kobayashi: Graduate School of Arts and Sciences, The University of Tokyo
Masakazu Saito: CREST, Japan Science and Technology Agency
Tatsuru Masuda: Graduate School of Arts and Sciences, The University of Tokyo
Yuko Sasaki-Sekimoto: Earth-Life Science Institute, Tokyo Institute of Technology
Kiyoshi Mashiguchi: Center for Sustainable Resource Science, RIKEN
Koichiro Awai: Faculty of Science, Shizuoka University
Mie Shimojima: Center for Biological Resources and Informatics, Tokyo Institute of Technology
Shinji Masuda: Center for Biological Resources and Informatics, Tokyo Institute of Technology
Masako Iwai: Center for Biological Resources and Informatics, Tokyo Institute of Technology
Takashi Nobusawa: Center for Biological Resources and Informatics, Tokyo Institute of Technology
Takafumi Narise: Tokyo Institute of Technology
Satoshi Kondo: Tokyo Institute of Technology
Hikaru Saito: Tokyo Institute of Technology
Ryoichi Sato: Tokyo Institute of Technology
Masato Murakawa: Tokyo Institute of Technology
Yuta Ihara: Tokyo Institute of Technology
Yui Oshima-Yamada: Tokyo Institute of Technology
Kinuka Ohtaka: Tokyo Institute of Technology
Masanori Satoh: Tokyo Institute of Technology
Kohei Sonobe: Tokyo Institute of Technology
Midori Ishii: Tokyo Institute of Technology
Ryosuke Ohtani: Tokyo Institute of Technology
Miyu Kanamori-Sato: Tokyo Institute of Technology
Rina Honoki: Tokyo Institute of Technology
Daichi Miyazaki: Tokyo Institute of Technology
Hitoshi Mochizuki: Tokyo Institute of Technology
Jumpei Umetsu: Tokyo Institute of Technology
Kouichi Higashi: Tokyo Institute of Technology
Daisuke Shibata: Kazusa DNA Research Institute
Yuji Kamiya: Center for Sustainable Resource Science, RIKEN
Naoki Sato: CREST, Japan Science and Technology Agency
Yasukazu Nakamura: National Institute of Genetics
Satoshi Tabata: Kazusa DNA Research Institute
Shigeru Ida: Earth-Life Science Institute, Tokyo Institute of Technology
Ken Kurokawa: CREST, Japan Science and Technology Agency
Hiroyuki Ohta: Center for Biological Resources and Informatics, Tokyo Institute of Technology

Nature Communications, 2014, vol. 5, issue 1, 1-9

Abstract: Abstract The colonization of land by plants was a key event in the evolution of life. Here we report the draft genome sequence of the filamentous terrestrial alga Klebsormidium flaccidum (Division Charophyta, Order Klebsormidiales) to elucidate the early transition step from aquatic algae to land plants. Comparison of the genome sequence with that of other algae and land plants demonstrate that K. flaccidum acquired many genes specific to land plants. We demonstrate that K. flaccidum indeed produces several plant hormones and homologues of some of the signalling intermediates required for hormone actions in higher plants. The K. flaccidum genome also encodes a primitive system to protect against the harmful effects of high-intensity light. The presence of these plant-related systems in K. flaccidum suggests that, during evolution, this alga acquired the fundamental machinery required for adaptation to terrestrial environments.

Date: 2014
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DOI: 10.1038/ncomms4978

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