Transgenic rice overproducing Rubisco exhibits increased yields with improved nitrogen-use efficiency in an experimental paddy field

Dong Kyung Yoon, Keiki Ishiyama, Mao Suganami, Yushi Tazoe, Mari Watanabe, Serina Imaruoka, Maki Ogura, Hiroyuki Ishida, Yuji Suzuki, Mitsuhiro Obara, Tadahiko Mae, Amane Makino

研究成果: Article査読

28 被引用数 (Scopus)

抄録

The green revolution’s breeding of semi-dwarf rice cultivars in the 1960s improved crop yields, with large increases in the use of nitrogen (N) fertilizer. However, excess N application has caused serious environmental problems, including acid rain and the eutrophication of rivers and oceans. To use N to improve crop yields, while minimizing the associated environmental costs, there is a need to produce crops with higher N-use efficiency and higher yield components. Here we show that transgenic rice overproducing ribulose 1,5-bisphosphate carboxylase–oxygenase (Rubisco)—the key enzyme of photosynthesis—exhibits increased yields with improved N-use efficiency for increasing biomass production when receiving sufficient N fertilization in an experimental paddy field. This field experiment demonstrates an improvement in photosynthesis linked to yield increase due to a higher N-use efficiency in a major crop.

本文言語English
ページ(範囲)134-139
ページ数6
ジャーナルNature Food
1
2
DOI
出版ステータスPublished - 2020 2

ASJC Scopus subject areas

  • 農業および作物学
  • 動物科学および動物学
  • 食品科学

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