A receptor-like protein RMC is involved in regulation of iron acquisition in rice

doi:10.1093/jxb/ert290

	A receptor-like protein RMC is involved in regulation of iron acquisition in rice
	Yang, An ; Li, Yansu 1; Xu, Yunyun 2; Zhang, Wen-Hao
	2013
发表期刊	JOURNAL OF EXPERIMENTAL BOTANY
ISSN	0022-0957
卷号	64 期号:16 页码:5009-5020
摘要	Iron (Fe) is one of the essential mineral elements for plant growth and development. Acquisition of Fe by plants is mediated by a complex network involving Fe mobilization, uptake by root cells, and transport within plants. Here, we evaluated the role of a previously clarified gene encoding a receptor-like protein from rice, OsRMC, in the regulation of Fe acquisition by comparing Fe concentration, biomass, and expression patterns of genes associated with Fe mobilization and transport in wild-type (WT) rice with those in OsRMC overexpression and RNA interference (RNAi) knockdown transgenic rice plants. Expression of OsRMC was upregulated in both shoots and roots upon exposure of WT to Fe-deficient medium. Expression levels of OsRMC were positively correlated with Fe concentration in rice plants under both Fe-sufficient and Fe-deficient conditions such that overexpression and RNAi lines had higher and lower Fe concentration in both roots and shoots than WT plants, respectively. Moreover, overexpression of OsRMC conferred greater accumulation of Fe in mature seeds under Fe-sufficient conditions. OsRMC may also play a role in regulation of Fe deficiency-induced changes in root growth, as evidenced by greater and smaller root systems of OsRMC overexpression lines and RNAi lines than WT under Fe-deficient conditions, respectively. Several Fe deficiency-responsive genes including OsDMAS1, OsNAS1, OsNAS2, OsNAAT1, OsIRT1, OsYSL15, and OsIRO2 were up- and downregulated in OsRMC-overexpressing and RNAi plants compared with WT rice plants. These novel findings highlight an important role of OsRMC played in mediation of Fe acquisition and root growth in rice, particularly under Fe-deficient conditions.
关键词	Fe concentration iron deficiency OsRMC rice (Oryza sativa) root system seed Fe concentration
学科领域	Plant Sciences
DOI	10.1093/jxb/ert290
收录类别	SCI
语种	英语
WOS关键词	SERINE THREONINE KINASES ; LONG-DISTANCE TRANSPORT ; TRANSCRIPTION FACTOR ; SYNTHASE GENES ; ROOT ; PLANTS ; IDENTIFICATION ; HOMEOSTASIS ; DEFICIENCY ; EXPRESSION
WOS研究方向	Science Citation Index Expanded (SCI-EXPANDED)
WOS记录号	WOS:000327510100014
出版者	OXFORD UNIV PRESS
文献子类	Article
出版地	OXFORD
EISSN	1460-2431
资助机构	Natural Science Foundation of China(National Natural Science Foundation of China (NSFC)) ; Chinese Academy of Sciences(Chinese Academy of Sciences)
作者邮箱	Zhang, Wen-Hao/B-5805-2009
作品OA属性	Green Published, hybrid, Green Submitted
引用统计	被引频次：31[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ibcas.ac.cn/handle/2S10CLM1/27985
专题	中科院植物分子生理学重点实验室
作者单位	1.Chinese Acad Sci, State Key Lab Vegetat & Environm Change, Inst Bot, Beijing 100093, Peoples R China 2.Chinese Acad Agr Sci, Inst Vegetables & Flowers, Beijing 100081, Peoples R China 3.Chinese Acad Sci, Key Lab Plant Mol Physiol, Inst Bot, Beijing 100093, Peoples R China 4.Chinese Acad Sci, Res Network Global Change Biol, Beijing Inst Life Sci, Beijing 100093, Peoples R China
推荐引用方式 GB/T 7714	Yang, An,Li, Yansu,Xu, Yunyun,et al. A receptor-like protein RMC is involved in regulation of iron acquisition in rice[J]. JOURNAL OF EXPERIMENTAL BOTANY,2013,64(16):5009-5020.
APA	Yang, An,Li, Yansu,Xu, Yunyun,&Zhang, Wen-Hao.(2013).A receptor-like protein RMC is involved in regulation of iron acquisition in rice.JOURNAL OF EXPERIMENTAL BOTANY,64(16),5009-5020.
MLA	Yang, An,et al."A receptor-like protein RMC is involved in regulation of iron acquisition in rice".JOURNAL OF EXPERIMENTAL BOTANY 64.16(2013):5009-5020.

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