The Effects of Spraying Lead Arsenate on Citrate Accumulation and the Related Enzyme Activities in the Juice Sacs of Citrus natsudaidai.
Bibliographic Information
- Other Title
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- ヒ酸鉛処理がナツダイダイ砂じょうにおけるクエン酸蓄積およびクエン酸代謝関連酵素活性に及ぼす影響
- effects of spraying lead arsenate on citrate accumulation and the related enzyme activities in the juice sacs of Citrus natsudaidai
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Abstract
The effects of spraying lead arsenate on the activities of citrate synthase (CS ; EC 4.1.3.7), NAD-isocitrate dehydrogenase (NAD-IDH ; EC 1.1.1.41), and phosphoenolpyruvate carboxylase (PEPC ; EC 4.1.1.31) in the juice sacs of fruit of 'Natsudaidai' (Citrus natsudaidai Hayata) were investigated. Citrate accumulation in the juice sacs was significantly inhibited from early September through January by spraying lead arsenate solutions over tree canopies on June 4 and July 2. Lead arsenate treatment enhanced CS activity during late July and November and NAD-IDH activity after early August, but it did not affect PEPC activity. These results suggest that lead arsenate accelerates TCA metabolic cycle but does not promote a substrate supply to the TCA cycle. This resulted in a reduction of citrate transport to the vacuole and in a repression of citrate accumulation.
Journal
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- Journal of the Japanese Society for Horticultural Science
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Journal of the Japanese Society for Horticultural Science 71 (3), 305-310, 2002
THE JAPANESE SOCIETY FOR HORTICULTURAL SCIENCE
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Details 詳細情報について
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- CRID
- 1390001206303278720
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- NII Article ID
- 110001816600
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- NII Book ID
- AN00025257
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- COI
- 1:CAS:528:DC%2BD38Xkt1WrtLY%3D
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- ISSN
- 1880358X
- 00137626
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- NDL BIB ID
- 6162915
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- Text Lang
- en
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- Data Source
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- JaLC
- IRDB
- NDL
- Crossref
- NDL-Digital
- CiNii Articles
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- Abstract License Flag
- Disallowed