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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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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 CANADIAN JOURNAL OF PLANT SCIENCE 出版商 CANADIAN SCIENCE PUBLISHING, NRC RESEARCH PRESS, 65 AURIGA DR, SUITE 203, OTTAWA, ON K2E 7W6, CANADA ISSN: 0008-4220 eISSN: 1918-1833 研究领域 Agriculture Plant Sciences 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. 增强组织信息的名称 Hebei Agricultural University 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 增强组织信息的名称 Hebei Agricultural University [ 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 查看基金资助信息关闭基金资助信息 The financial support from China Agriculture Research System (CARS-29-13) is gratefully acknowledged. 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 JCR® 类别 JCR 分区 AGRONOMY Q3 PLANT SCIENCES Q3 数据来自第 2016 版 Journal Citation Reports |
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