Deregulation of a Ca2+/calmodulin-dependent kinase leads to spontaneous nodule development

Leïla Tirichine, Haruko Imaizumi-Anraku, Satoko Yoshida, Yasuhiro Murakami, Lene H. Madsen, Hiroki Miwa, Tomomi Nakagawa, Niels Sandal, Anita S. Albrektsen, Masayoshi Kawaguchi, Allan Downie, Shusei Sato, Satoshi Tabata, Hiroshi Kouchi, Martin Parniske, Shinji Kawasaki and Jens Stougaard ()
Additional contact information
Leïla Tirichine: University of Aarhus
Haruko Imaizumi-Anraku: National Institute of Agrobiological Sciences, Kannon-dai
Satoko Yoshida: University of Munich
Yasuhiro Murakami: National Institute of Agrobiological Sciences, Kannon-dai
Lene H. Madsen: University of Aarhus
Hiroki Miwa: John Innes Centre
Tomomi Nakagawa: University of Tokyo, Graduate School of Science, Hongo, Bunkyo-ku
Niels Sandal: University of Aarhus
Anita S. Albrektsen: University of Aarhus
Masayoshi Kawaguchi: University of Tokyo, Graduate School of Science, Hongo, Bunkyo-ku
Allan Downie: John Innes Centre
Shusei Sato: Kazusa DNA Research Institute
Satoshi Tabata: Kazusa DNA Research Institute
Hiroshi Kouchi: National Institute of Agrobiological Sciences, Kannon-dai
Martin Parniske: University of Munich
Shinji Kawasaki: National Institute of Agrobiological Sciences, Kannon-dai
Jens Stougaard: University of Aarhus

Nature, 2006, vol. 441, issue 7097, 1153-1156

Abstract: Circuitous roots Normally, legumes develop nitrogen-fixing root nodules only when invaded by rhizobia bacteria. In an unusual Lotus japonicus mutant, nodulation occurs spontaneously in the absence of bacteria, due to the activity of a modified signalling pathway kinase. This has major implications for plant biotechnologists, since the transfer of root nodule formation to non-leguminous crops might be an elegant way of making them independent of nitrogen fertilizers.

Date: 2006
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DOI: 10.1038/nature04862

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