Difference in Carbon Distribution of Initial Photoassimilates between Soybean and Rice as Revealed by 20 s Pulse-300 s Chase Experiments

Okazaki, Keiki; Shinano, Takuro; Osaki, Mitsuru

Soil Science and Plant Nutrition, 2005, 51(6), 835-840

Permalink : https://hdl.handle.net/2115/14749

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アクセス権
open access
URI
https://hdl.handle.net/2115/14749
タイトル
Difference in Carbon Distribution of Initial Photoassimilates between Soybean and Rice as Revealed by 20 s Pulse-300 s Chase Experiments
著者
Okazaki, Keiki ; Shinano, Takuro ; Osaki, Mitsuru
e-Rad_Researcher
40414750
著者名
Okazaki, Keiki
著者名
Shinano, Takuro
著者名
Osaki, Mitsuru
言語
英語
キーワード
photorespiratory pathway
primary photosynthate distribution
pulse-chase labeling experiment
rice
soybean
発行日
2005-10
出版者
Blackwell Publishing, Inc.
収録物名
Soil Science and Plant Nutrition
巻(号)
51(6)
ページ
835-840
抄録
Short pulse-chase labeling experiments indicated that there was a considerable difference between soybean and rice in the distribution pattern of 14C to major metabolites during a 300 s chase period. The distribution of 14C to starch at the end of the chase period was largest in soybean but very small in rice. In rice, the distribution of 14C to sucrose was the largest. Starch formation during the initial stages of photosynthesis implied the existence of a different mechanism of starch synthesis and utilization between soybean and rice. The relative intensity of the flow into starch increased by treatment with 2% O2, suggesting that photorespiratory pathway may involve in the regulation of higher starch accumulation in soybean
資源タイプ
学術雑誌論文
出版タイプ
Accepted Manuscript
PISSN
0038-0768
EISSN
1747-0765
関連情報
URI
http://www.blackwellpublishing.com/journal.asp?ref=0038-0768
関連情報 (isVersionOf)
出版社版DOI
https://doi.org/10.1111/j.1747-0765.2005.tb00118.x