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Effect of Nd3+ ion on carboxylation activity of ribulose-1,5-bisphosphate carboxylase/oxygenase of spinach
Liu, C; Hong, FS; Wu, K; Ma, HB; Zhang, XG; Hong, CJ; Wu, C; Gao, FQ; Yang, F; Zheng, L; Wang, XF; Liu, T; Xie, YN; Xu, JH; Li, ZR; Liu T(刘涛); Xie YN(谢亚宁); Xu JH(徐建华)
2006
Source PublicationBIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS
Volume342Issue:1Pages:#REF!
Corresponding AuthorHong, FS (reprint author), Soochow Univ, Coll Life Sci, Suzhou 215123, Peoples R China.
SubtypeArticle
AbstractNeodymium (Nd), as a member of rare earth elements, proved to enhance the photosynthesis rate and organic substance accumulation of spinach through the increase in carboxylation activity of Rubisco. Although the oxygenase activity of spinach Rubisco was slightly changed with the Nd3+ treatment, the specific factor of Rubisco was greatly increased. It was partially due to the promotion of Rubisco activase (R-A) activity but mainly to the formation of Rubisco-Rubisco activase super-complex, a heavier molecular mass protein (about 1200 kD) comprising both Rubisco and Rubisco activase. This super-complex was found during the extraction procedure of Rubisco by the gel electrophoresis and Western-blot studies. The formation of Rubisco-R-A super-complex suggested that the secondary structure of the protein purified from the Nd3+-treated spinach was different from that of the control. Extended X-ray absorption fine structure study of the 'Rubisco' purified from the Nd3+-treated spinach revealed that Nd was bound with four oxygen atoms and two sulfur atoms of amino acid residues at the Nd-O and Nd-S bond lengths of 2.46 and 2.89 angstrom, respectively. (c) 2006 Elsevier Inc. All rights reserved.
KeywordNd Rubisco Rubisco activase EXAFS spinach
Subject AreaBiochemistry & Molecular Biology; Biophysics
DOI10.1016/j.bbrc.2006.01.105
Indexed BySCI
WOS SubjectBiochemistry & Molecular Biology ; Biophysics
WOS IDWOS:000235793800005
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Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/225656
Collection多学科研究中心
Recommended Citation
GB/T 7714
Liu, C,Hong, FS,Wu, K,et al. Effect of Nd3+ ion on carboxylation activity of ribulose-1,5-bisphosphate carboxylase/oxygenase of spinach[J]. BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS,2006,342(1):#REF!.
APA Liu, C.,Hong, FS.,Wu, K.,Ma, HB.,Zhang, XG.,...&徐建华.(2006).Effect of Nd3+ ion on carboxylation activity of ribulose-1,5-bisphosphate carboxylase/oxygenase of spinach.BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS,342(1),#REF!.
MLA Liu, C,et al."Effect of Nd3+ ion on carboxylation activity of ribulose-1,5-bisphosphate carboxylase/oxygenase of spinach".BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS 342.1(2006):#REF!.
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