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A defensin-like protein drives cadmium efflux and allocation in rice

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成果类型:
期刊论文
作者:
Luo, Jin-Song;Huang, Jing;Zeng, Da-Li;Peng, Jia-Shi;Zhang, Guo-Bin;...
通讯作者:
Gong, Ji-Ming;Qian, Qian
作者机构:
[Fu, Yan-Lei; Luo, Jin-Song; Ma, Hai-Ling; Huang, Jing; Zhang, Guo-Bin; Guan, Yuan; Gong, Ji-Ming; Peng, Jia-Shi; Yi, Hong-Ying; Han, Bin; Lin, Hong-Xuan] Chinese Acad Sci, Natl Key Lab Plant Mol Genet, Shanghai Inst Plant Physiol & Ecol, Shanghai 200032, Peoples R China.
[Fu, Yan-Lei; Luo, Jin-Song; Ma, Hai-Ling; Huang, Jing; Zhang, Guo-Bin; Guan, Yuan; Gong, Ji-Ming; Peng, Jia-Shi; Yi, Hong-Ying; Han, Bin; Lin, Hong-Xuan] Chinese Acad Sci, CAS Ctr Excellence Mol Plant Sci, Shanghai Inst Plant Physiol & Ecol, Shanghai 200032, Peoples R China.
[Luo, Jin-Song; Ma, Hai-Ling; Gong, Ji-Ming] Univ Chinese Acad Sci, Beijing 100049, Peoples R China.
[Luo, Jin-Song] Hunan Agr Univ, Southern Reg Collaborat Innovat Ctr Grain & Oil C, Changsha 410128, Hunan, Peoples R China.
[Huang, Jing] Guangxi Univ, Coll Life Sci & Technol, State Key Lab Conservat & Utilizat Subtrop Agrobi, Nanning 530004, Peoples R China.
通讯机构:
[Gong, Ji-Ming; Qian, Qian] C
[Gong, Ji-Ming] U
Chinese Acad Sci, Natl Key Lab Plant Mol Genet, Shanghai Inst Plant Physiol & Ecol, Shanghai 200032, Peoples R China.
Chinese Acad Sci, CAS Ctr Excellence Mol Plant Sci, Shanghai Inst Plant Physiol & Ecol, Shanghai 200032, Peoples R China.
Univ Chinese Acad Sci, Beijing 100049, Peoples R China.
语种:
英文
期刊:
Nature Communications
ISSN:
2041-1723
年:
2018
卷:
9
期:
1
页码:
645
基金类别:
We thank Drs. J. K. Zhu (Shanghai Center for Plant Stress Biology, Chinese Academy of Sciences) for providing CRISPR-Cas9 construct, W. H. Tang and D. Y. Chao (Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences) for providing the mRFP fragment and the pCold-TF vector, X. S. Gao (Core Facility, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences) for helping with confocal microscopy, P. Zhang (Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences) for helping with ITC analysis. This work was supported by the National Natural Science Foundation of China (31325003 and 31421093), the National Key R&D Program of China (2016YFD0100700) and the XDPB0402 of Chinese Academy of Sciences.
机构署名:
本校为其他机构
摘要:
Pollution by heavy metals limits the area of land available for cultivation of food crops. A potential solution to this problem might lie in the molecular breeding of food crops for phytoremediation that accumulate toxic metals in straw while producing safe and nutritious grains. Here, we identify a rice quantitative trait locus we name cadmium (Cd) accumulation in leaf 1 (CAL1), which encodes a defensin-like protein. CAL1 is expressed preferentially in root exodermis and xylem parenchyma cells. We provide evidence that CAL1 acts by chelating Cd in the cytosol and facilitating Cd secretion to ...

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