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MECHANISMS OF NITROGEN RE-DISTRIBUTION IN RESPONSE TO ENZYME ACTIVITIES AND THE EFFECTS ON NITROGEN USE EFFICIENCY IN BRASSICA NAPUS DURING LATER GROWTH STAGES

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成果类型:
期刊论文
作者:
Zhang, Zhenhua*;Wang, Wenming;Guan, Chunyun;Liu, Qiang;Rong, Xiangmin;...
通讯作者:
Zhang, Zhenhua
作者机构:
[Peng, Jiangwei; Zhang, Zhenhua; Wang, Wenming; Rong, Xiangmin; Liao, Qiong; Liu, Qiang; Yu, Ying; Song, Hadung; Han, Yongliang] Hunan Agr Univ, Coll Resources & Environm Sci, Changsha 410128, Hunan, Peoples R China.
[Peng, Jiangwei; Zhang, Zhenhua; Rong, Xiangmin; Liu, Qiang; Song, Hadung; Han, Yongliang] Hunan Agr Univ, Natl Engn Lab Efficient Utilizat Soil & Fertilize, Changsha 410128, Hunan, Peoples R China.
[Peng, Jiangwei; Zhang, Zhenhua; Rong, Xiangmin; Liu, Qiang; Song, Hadung; Han, Yongliang] Hunan Agr Univ, Coll Resources & Environm, Changsha 410128, Hunan, Peoples R China.
[Guan, Chunyun] Natl Ctr Oilseed Crops Improvement, Hunan Branch, Changsha 410128, Hunan, Peoples R China.
通讯机构:
[Zhang, Zhenhua] H
Hunan Agr Univ, Coll Resources & Environm Sci, Changsha 410128, Hunan, Peoples R China.
语种:
英文
关键词:
Nitrogen (N) redistribution;N use efficiency;Proteolytic enzyme (PE);Glutamine synthetase (GS);Glutamate synthase (GOGAT)
期刊:
PAKISTAN JOURNAL OF BOTANY
ISSN:
0556-3321
年:
2014
卷:
46
期:
5
页码:
1789-1795
基金类别:
National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31372130, 31101596]; National oilseed rape production technology system of China; Open novel science foundation of Hunan province [13K062]; FuRong Scholar Program of Hunan Province, P.R.China; "Twelfth Five-Year" National Science and technology support programChinese Academy of Sciences [2012BAD15B04]
机构署名:
本校为第一且通讯机构
院系归属:
资源环境学院
摘要:
In order to investigate the mechanisms of nitrogen (N) re-distribution in response to proteolytic enzyme (PE), glutamine synthetase (GS) and glutamate synthetase (GOGAT) activities and the effects on N use efficiency (NUE). Two oilseed rape genotypes were grown in sand culture in a greenhouse under normal (15.0 mmol L-1 NO3-) and limited-N (7.5 mmol L-1 NO3-) levels. Isotope (15N) labeling and enzyme inhibitors against the PE, GS and GOGAT enzymes were used. We found that, when the two genotypes were subjected to specific inhibitors of PE, GS, ...

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