A Major QTL Confers Rapid Internode Elongation in Response to Water Rise in Deepwater Rice

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概要

• 論文の詳細を見る

• To avoid drowning under flooded conditions, deepwater rice responds to rising water level by rapid internode elongation. Quantitative trait locus (QTL) analysis, using a deepwater rice cultivar (Oryza sativa) and a wild rice species (O. rufipogon) with deepwater characteristics, revealed the presence of major QTLs (qTIL12, qNEI12 and qLEI12) in a common chromosomal region that regulates internode elongation. Genetic analysis revealed that a QTL inherited in a dominant manner, was located on the long arm of chromosome 12. A nearly isogenic line (NIL), produced by backcross introduction of a chromosome fragment carrying this major QTL into non-deepwater rice, exhibited a dramatic internode elongation in response to water rise. This indicates that the difference between deepwater rice and non-deepwater rice is associated with the presence of the QTL, and that this sequence is sufficient to confer deepwater characteristics. Although deepwater rice and non-deepwater rice share a common machinery for internode elongation; non-deepwater rice cannot activate the machinery in response to flooding, unlike deepwater rice which harbors this major QTL.

• 日本育種学会の論文

著者

• Matsuoka Makoto

  Bioscience And Biotechnology Center Nagoya Univ.

• Matsuoka Makoto

  Bioscience And Biotechnology Center Nagoya University

• ASHIKARI Motoyuki

  Bioscience and Biotechnology Center, Nagoya University

• KITANO Hidemi

  Bioscience and Biotechnology Center, Nagoya University

• Miura Kotaro

  Bioscience and Biotechnology Center, Nagoya University

• Yamamoto Eiji

  Bioscience and Biotechnology Center, Nagoya University

• Hattori Yoko

  Bioscience and Biotechnology Center, Nagoya University

• Mori Hitoshi

  Graduate School of Bioagricultural Sciences, Nagoya University

• Asano Kenji

  Bioscience and Biotechnology Center, Nagoya University

• MIYAO-TOKUTOMI Mitsue

  National Institute of Agrobiological Resources

• Matsuoka M

  Bioscience And Biotechnology Center Nagoya University

• Miura Kotaro

  Bioscience And Biotechnology Center Nagoya University:the Japan Society For The Promotion Of Science

• Miura Kotaro

  Bioscience And Biotechnology Center Nagoya University

• Mori Hitoshi

  Graduate School Of Bioagricultural Sciences Nagoya University

• Mori Hitoshi

  Graduate School Of Bioagricultural Sciences Nagoya Univ.

• Kitano H

  Nagoya Univ. Nagoya Jpn

• Kitano Hidemi

  Grad. Sch. Bioagr. Sci. Nagoya Univ.

• Ashikari M

  Bioscience And Biotechnology Center Nagoya University

• Ashikari Motoyuki

  Bio-oriented Technology Research Advancement Institution:(present Address)bioscience Center Nagoya U

• Hattori Yoko

  Bioscience And Biotechnology Center Nagoya University:japan Society For The Promotion Of Science

• Matsuoka Makoto

  Okinawa Subtropical Station Japan International Research Center For Agricultural Sciences

• Kato Hisaharu

  Department Of Bioscience Fukui Prefectural University

• Yamamoto Eiji

  Bioscience And Biotechnology Center Nagoya University

• Matuoka Makoto

  Biosci. Cen. Nagoya University

• Kitano Hidemi

  Bioscience And Biotechnology Center Nagoya Univ.

• Matsuoka M

  Institute Of Agriculture And Forestry University Of Tsukuba

• Matsuoka Makoto

  Institute Of Agriculture And Forestry University Of Tsukuba

• Matsuoka Makoto

  Biosci. Center Nagoya Univ. Nagoya

• Ashikari Motoyuki

  Bioscience And Biotechnology Center Nagoya Univ.

• Hattori Yoko

  Bioscience And Biotechnology Center Nagoya University

• Kitano Hidemi

  Nagoya University School Of Agricultural Science

• Miyao‐tokutomi Mitsue

  Niar Tsukuba.

• Hattori Yoko

  Bioscience And Biotechnology Center Nagoya Univ.

• Mori Hitoshi

  Graduate School Of Bio-agricultural Sciences Nagoya University

• Kato Hisaharu

  Bioscience and Biotechnology Center, Nagoya University

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