Author
Listed:
- Tsuneo Hakoyama
(National Institute of Agrobiological Sciences, Tsukuba, Ibaraki 305-8602, Japan
Aichi University of Education, Kariya, Aichi 448-8542, Japan)
- Kaori Niimi
(Aichi University of Education, Kariya, Aichi 448-8542, Japan)
- Hirokazu Watanabe
(Aichi University of Education, Kariya, Aichi 448-8542, Japan)
- Ryohei Tabata
(Aichi University of Education, Kariya, Aichi 448-8542, Japan)
- Junichi Matsubara
(Aichi University of Education, Kariya, Aichi 448-8542, Japan)
- Shusei Sato
(Kazusa DNA Research Institute, Kisarazu, Chiba 292-0812, Japan)
- Yasukazu Nakamura
(Kazusa DNA Research Institute, Kisarazu, Chiba 292-0812, Japan)
- Satoshi Tabata
(Kazusa DNA Research Institute, Kisarazu, Chiba 292-0812, Japan)
- Li Jichun
(Graduate School of Science, Nagoya University, Nagoya, Aichi 464-8602, Japan)
- Tsuyoshi Matsumoto
(Graduate School of Science, Nagoya University, Nagoya, Aichi 464-8602, Japan)
- Kazuyuki Tatsumi
(Graduate School of Science, Nagoya University, Nagoya, Aichi 464-8602, Japan)
- Mika Nomura
(Faculty of Agriculture, Kagawa University, Kita, Kagawa 761-0795, Japan)
- Shigeyuki Tajima
(Faculty of Agriculture, Kagawa University, Kita, Kagawa 761-0795, Japan)
- Masumi Ishizaka
(National Institute of Agro-Environmental Sciences, Tsukuba, Ibaraki 305-8604, Japan)
- Koji Yano
(National Institute of Agrobiological Sciences, Tsukuba, Ibaraki 305-8602, Japan)
- Haruko Imaizumi-Anraku
(National Institute of Agrobiological Sciences, Tsukuba, Ibaraki 305-8602, Japan)
- Masayoshi Kawaguchi
(National Institute for Basic Biology, Okazaki, Aichi 444-8585, Japan)
- Hiroshi Kouchi
(National Institute of Agrobiological Sciences, Tsukuba, Ibaraki 305-8602, Japan)
- Norio Suganuma
(Aichi University of Education, Kariya, Aichi 448-8542, Japan)
Abstract
In it together Legume plants form a symbiotic relationship with nitrogen-fixing bacteria of the Rhizobiaceae family that can reduce atmospheric nitrogen into ammonia. Homocitrate is an essential component of the enzyme nitrogenase, which is required for nitrogen fixation, but the NifV gene for homocitrate synthase is not present in most Rhizobium species. Now Hakoyama et al. identify a gene, called FEN1, expressed in the root nodules of the model legume, Lotus japonicas, that encodes for homocitrate synthase. Thus homocitrate from the host plant is essential for nitrogen fixation by rhizobia, highlighting the interdependence of the co-evolving symbiotic partners.
Suggested Citation
Tsuneo Hakoyama & Kaori Niimi & Hirokazu Watanabe & Ryohei Tabata & Junichi Matsubara & Shusei Sato & Yasukazu Nakamura & Satoshi Tabata & Li Jichun & Tsuyoshi Matsumoto & Kazuyuki Tatsumi & Mika Nomu, 2009.
"Host plant genome overcomes the lack of a bacterial gene for symbiotic nitrogen fixation,"
Nature, Nature, vol. 462(7272), pages 514-517, November.
Handle:
RePEc:nat:nature:v:462:y:2009:i:7272:d:10.1038_nature08594
DOI: 10.1038/nature08594
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