IB-CAS  > 中科院植物分子生理学重点实验室
A rice chloroplast-localized ABC transporter ARG1 modulates cobalt and nickel homeostasis and contributes to photosynthetic capacity
Li, Haixiu1; Liu, Yuan; Qin, Huihui1; Lin, Xuelei; Tang, Ding2,3; Wu, Zhengjing; Luo, Wei1; Shen, Yi2,3; Dong, Fengqin; Wang, Yaling; Feng, Tingting1; Wang, Lili1; Li, Laiyun1; Chen, Doudou1; Zhang, Yi5; Murray, Jeremy D.; Chao, Daiyin4; Chong, Kang; Cheng, Zhukuan2,3; Meng, Zheng
2020
Source PublicationNEW PHYTOLOGIST
ISSN0028-646X
Volume228Issue:1Pages:163-178
AbstractTransport and homeostasis of transition metals in chloroplasts, which are accurately regulated to ensure supply and to prevent toxicity induced by these metals, are thus crucial for chloroplast function and photosynthetic performance. However, the mechanisms that maintain the balance of transition metals in chloroplasts remain largely unknown. We have characterized analbino-revertible green 1(arg1) rice mutant.ARG1encodes an evolutionarily conserved protein belonging to the ATP-binding cassette (ABC) transporter family. Protoplast transfection and immunogold-labelling assays showed that ARG1 is localized in the envelopes and thylakoid membranes of chloroplasts. Measurements of metal contents, metal transport, physiological and transcriptome changes revealed that ARG1 modulates cobalt (Co) and nickel (Ni) transport and homeostasis in chloroplasts to prevent excessive Co and Ni from competing with essential metal cofactors in chlorophyll and metal-binding proteins acting in photosynthesis. Natural allelic variation inARG1betweenindicaand temperatejaponicasubspecies of rice is coupled with their different capabilities for Co transport and Co content within chloroplasts. This variation underpins the different photosynthetic capabilities in these subspecies. Our findings link the function of the ARG1 transporter to photosynthesis, and potentially facilitate breeding of rice cultivars with improved Co homeostasis and consequently improved photosynthetic performance.
Keywordchloroplast cobalt homeostasis natural variation nickel photosynthetic capacity rice transporter
Subject AreaPlant Sciences
DOI10.1111/nph.16708
Indexed BySCI
Language英语
WOS KeywordGENE-EXPRESSION ; IRON ; TOXICITY ; PROTEINS ; PLANTS ; COPPER ; ACCUMULATION ; METALS ; SYSTEM ; STRESS
WOS Research AreaPlant Sciences
WOS IDWOS:000541981400001
PublisherWILEY
SubtypeArticle
Publication PlaceHOBOKEN
EISSN1469-8137
Funding OrganizationNational Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31771364] ; Strategic Priority Research Program of Chinese Academy of SciencesChinese Academy of Sciences [XDA08020303-2]
Corresponding Author Emailliuyuancas@sina.com ; zkcheng@genetics.ac.cn ; zhmeng@ibcas.ac.cn
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Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ibcas.ac.cn/handle/2S10CLM1/21709
Collection中科院植物分子生理学重点实验室
Affiliation1.Chinese Acad Sci, Inst Bot, Key Lab Plant Mol Physiol, Beijing 100093, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, State Key Lab Plant Genom, Inst Genet & Dev Biol, Beijing 100101, Peoples R China
4.Chinese Acad Sci, Ctr Plant Gene Res, Inst Genet & Dev Biol, Beijing 100101, Peoples R China
5.Chinese Acad Sci, Natl Key Lab Plant Mol Genet, Ctr Excellence Mol Plant Sci, Inst Plant Physiol & Ecol,Shanghai Inst Biol Sci, Shanghai 200032, Peoples R China
6.Shandong Agr Univ, Coll Life Sci, State Key Lab Crop Biol, Tai An 271018, Shandong, Peoples R China
Recommended Citation
GB/T 7714
Li, Haixiu,Liu, Yuan,Qin, Huihui,et al. A rice chloroplast-localized ABC transporter ARG1 modulates cobalt and nickel homeostasis and contributes to photosynthetic capacity[J]. NEW PHYTOLOGIST,2020,228(1):163-178.
APA Li, Haixiu.,Liu, Yuan.,Qin, Huihui.,Lin, Xuelei.,Tang, Ding.,...&Meng, Zheng.(2020).A rice chloroplast-localized ABC transporter ARG1 modulates cobalt and nickel homeostasis and contributes to photosynthetic capacity.NEW PHYTOLOGIST,228(1),163-178.
MLA Li, Haixiu,et al."A rice chloroplast-localized ABC transporter ARG1 modulates cobalt and nickel homeostasis and contributes to photosynthetic capacity".NEW PHYTOLOGIST 228.1(2020):163-178.
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