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论文题目:Ferric reduction oxidase 2 gene from Pyrus betulifolia Bunge is regulated by iron deficiency and auxin
     期刊名称:Canadian Journal of Plant Science
     D O I  号:10.1139/cjps-2016-0213

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2楼: Originally posted by baiyuefei at 2017-10-17 13:40:50
Ferric reduction oxidase 2 gene from Pyrus betulifolia Bunge is regulated by iron deficiency and auxin


作者:Li, X (Li, X.) ; Gao, Y (Gao, Y.) ; Jian, Q (Jian, Q.) ; Zhang, Z (Zhang, Z.) ; Liu,  ...

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494118250(心静_依然代发): 金币+10, 感谢应助 2017-10-26 08:56:52
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Ferric reduction oxidase 2 gene from Pyrus betulifolia Bunge is regulated by iron deficiency and auxin


作者:Li, X (Li, X.)[ 1,2,3 ] ; Gao, Y (Gao, Y.)[ 1,4 ] ; Jian, Q (Jian, Q.)[ 1 ] ; Zhang, Z (Zhang, Z.)[ 1 ] ; Liu, S (Liu, S.)[ 1 ] ; Chen, F (Chen, F.)[ 3 ] ; Zhang, J (Zhang, J.)[ 1,2 ]




CANADIAN JOURNAL OF PLANT SCIENCE



卷: 97

期: 4

页: 569-579

DOI: 10.1139/cjps-2016-0213

出版年: AUG 2017

查看期刊影响





































摘要

Pyrus betulifolia Bunge belongs to the woody plant family and is an ideal model for studying molecular strategies of iron acquisition and metabolism in strategy I plants. Using polymerase chain reaction amplification technology, a gene encoding a putative ferric chelate reductase (FCR) protein was isolated from P. betulifolia and designated as PbFRO2. This gene was 2166 bp in length with an open reading frame encoding a protein of 721 amino acids. A hidden Markov model for topology prediction of PbFRO2 suggested that there were 10 transmembrane regions (I-X) connected by nine loops. Phylogenetic analyses demonstrated that PbFRO2 had the highest homology with Malus xiaojinensis Cheng & Jiang. Iron starvation induced significant increase in root FCR activity and PbFRO2 expression. The split-root experiment demonstrated that Fe limitation in one portion of the root system triggered significant up-regulation of the PbFRO2 expression in the Fe-sufficient part, suggesting that the PbFRO2 expression was induced by systemic signals. Furthermore, the addition of a-naphthaleneacetic acid was found to strengthen the Fe deficiency-caused up-regulation of the PbFRO2 expression in the roots. By contrast, 1-naphthylphthalamic acid application blocked up-regulation of the PbFRO2 expression. The results indicated that Fe deficiency-induced alterations of the PbFRO2 expression were mediated by auxin.


关键词

作者关键词yrus betulifolia Bunge; PbFRO2; iron deficiency; auxin; systemic signal

KeyWords Plus:LONG-DISTANCE SIGNALS; EPIDERMAL-CELL FATE; MALUS-XIAOJINENSIS; FE-DEFICIENCY; CHELATE REDUCTASE; CUCUMBER PLANTS; H+-ATPASE; RESPONSES; ARABIDOPSIS; TOLERANCE


作者信息

通讯作者地址: Zhang, J (通讯作者)





Agr Univ Hebei, Coll Hort, Baoding 071001, Hebei, Peoples R China.



通讯作者地址: Zhang, J (通讯作者)


      

Pear Engn & Technol Res Ctr Hebei Prov, Baoding 071001, Hebei, Peoples R China.



地址:





[ 1 ] Agr Univ Hebei, Coll Hort, Baoding 071001, Hebei, Peoples R China





      

[ 2 ] Pear Engn & Technol Res Ctr Hebei Prov, Baoding 071001, Hebei, Peoples R China



      

[ 3 ] Xingtai Acad Agr Sci, Inst Forestry & Fruits, Xingtai 054000, Hebei, Peoples R China



      

[ 4 ] Agr Bur Qiaoxi Dist, Xingtai 054000, Hebei, Peoples R China



电子邮件地址:zhjg2358@sina.com


基金资助致谢



基金资助机构

授权号



China Agriculture Research System


CARS-29-13

查看基金资助信息   




出版商

CANADIAN SCIENCE PUBLISHING, NRC RESEARCH PRESS, 65 AURIGA DR, SUITE 203, OTTAWA, ON K2E 7W6, CANADA


类别 / 分类

研究方向:Agriculture; Plant Sciences

Web of Science 类别:Agronomy; Plant Sciences


文献信息

文献类型:Article

语种:English

入藏号: WOS:000406718700002

ISSN: 0008-4220

eISSN: 1918-1833


其他信息

IDS 号: FC3DO

Web of Science 核心合集中的 "引用的参考文献": 42

Web of Science 核心合集中的 "被引频次": 0

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