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Effect of shade treatment on theanine biosynthesis in Camellia sinensis seedlings
Deng, Wei-Wei1,2; Fei, Yue1,2; Wang, Shuo1,2; Wan, Xiao-Chun1,2; Zhang, Zheng-Zhu1,2; Hu, Xiang-Yang3
2013-12-01
发表期刊PLANT GROWTH REGULATION
ISSN0167-6903
卷号71期号:3页码:295-299
摘要Theanine synthetase (TS) is a key enzyme involved in theanine biosynthesis. In our recent study, it has been revealed that theanine biosynthesis derived from nitrogen metabolism in tea (Camellia sinensis) plants can be influenced by shading treatment. The expression patterns of CsTS protein in the roots and shoots of tea seedlings were examined by western blot using a self-prepared polyclonal antibody with high specificity and sensitivity. The effect of long-term shade treatment on the levels of theanine synthesis was also investigated using roots and shoots of tea seedlings. Levels of theanine and total free amino acids gradually increased in shoots, reaching their maximum after 22 days of treatment (DOT). The immunoblotting analysis suggested that CsTS protein levels increased gradually up to 22 DOT and expression remained at a high level, except after 1 DOT where levels were low in both roots and shoots. The increased theanine concentration we observed in the shading treatment may be due to increased nitrogen assimilation and reduced theanine catabolism under shade conditions.
关键词Camellia Sinensis Theanine Synthetase Shade Theanine Amino Acid
资助信息Program for Changjiang Scholars and Innovative Research Team in University [IRT1101];Natural Science Foundation of China [31170283]
学科领域Plant Sciences
收录类别SCI
语种英语
WOS研究方向Plant Sciences
WOS类目Plant Sciences
WOS记录号WOS:000326622700010
引用统计
被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/17430
专题中国科学院青藏高原研究所昆明部
作者单位1.Anhui Agr Univ, Key Lab Tea Biochem & Biotechnol, Minist Educ, Hefei 230036, Anhui, Peoples R China
2.Anhui Agr Univ, Minist Agr, Hefei 230036, Anhui, Peoples R China
3.Chinese Acad Sci, Key Lab Biodivers & Biogeog, Kunming Inst Bot, Inst Tibet Plateau Res Kunming, Kunming 650204, Peoples R China
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GB/T 7714
Deng, Wei-Wei,Fei, Yue,Wang, Shuo,et al. Effect of shade treatment on theanine biosynthesis in Camellia sinensis seedlings[J]. PLANT GROWTH REGULATION,2013,71(3):295-299.
APA Deng, Wei-Wei,Fei, Yue,Wang, Shuo,Wan, Xiao-Chun,Zhang, Zheng-Zhu,&Hu, Xiang-Yang.(2013).Effect of shade treatment on theanine biosynthesis in Camellia sinensis seedlings.PLANT GROWTH REGULATION,71(3),295-299.
MLA Deng, Wei-Wei,et al."Effect of shade treatment on theanine biosynthesis in Camellia sinensis seedlings".PLANT GROWTH REGULATION 71.3(2013):295-299.
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