A node-localized transporter OsZIP3 is responsible for the preferential distribution of Zn to developing tissues in rice

The Plant Journal : for Cell and Molecular Biology
Akimasa SasakiJian Feng Ma

Abstract

Developing tissues such as meristem with low transpiration require high Zn levels for their active growth, but the molecular mechanisms underlying the preferential distribution to these tissues are poorly understood. We found that a member of the ZIP (ZRT, IRT-like protein), OsZIP3, showed high expression in the nodes of rice (Oryza sativa). Immunostaining revealed that OsZIP3 was localized at the xylem intervening parenchyma cells and xylem transfer cells of the enlarged vascular bundle in both basal and upper nodes. Neither OsZIP3 gene expression nor encoded protein was affected by either deficiency or toxic levels of Zn. Knockdown of OsZIP3 resulted in significantly reduced Zn levels in the shoot basal region containing the shoot meristem and elongating zone, but increased Zn levels in the transpiration flow. A short-term experiment with the (67) Zn stable isotope showed that more Zn was distributed to the lower leaves, but less to the shoot elongating zone and nodes in the knockdown lines compared with the wild-type rice at both the vegetative and reproductive growth stages. Taken together, OsZIP3 located in the node is responsible for unloading Zn from the xylem of enlarged vascular bundles, which is the first step for pre...Continue Reading

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Citations

Mar 5, 2016·Journal of Experimental Botany·Akimasa SasakiJian Feng Ma
May 11, 2017·The Plant Journal : for Cell and Molecular Biology·Natsuko I KobayashiTomoaki Horie
Nov 24, 2018·Journal of Integrative Plant Biology·Yuta Kawakami, Navreet K Bhullar
Mar 25, 2020·Critical Reviews in Biotechnology·Hasthi RamTilak Raj Sharma
Jan 11, 2020·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Zhihua ZhangChengcai Chu
May 26, 2020·The Plant Journal : for Cell and Molecular Biology·Meng YangXingming Lian
Jun 3, 2020·Plant & Cell Physiology·Jing CheJian Feng Ma
Aug 30, 2020·Physiologia Plantarum·Sheng Huang, Jian Feng Ma
May 21, 2019·The Plant Journal : for Cell and Molecular Biology·Naoki Yamaji, Jian Feng Ma
Apr 27, 2018·Frontiers in Plant Science·Xiaohua HaoDongping Li
Jun 17, 2020·Frontiers in Plant Science·T P Ajeesh KrishnaStanislaus Antony Ceasar
Sep 26, 2020·Journal of Experimental Botany·Yuta Kawakami, Navreet K Bhullar
Nov 11, 2020·The Plant Journal : for Cell and Molecular Biology·Shuai MuJian Feng Ma
Oct 27, 2020·Plant Direct·Lauren WhittIvan Baxter
Apr 30, 2021·Journal of Plant Physiology·Houqing ZengYiyong Zhu
May 28, 2021·Planta·Harmanjit Kaur, Neera Garg
Jun 11, 2021·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Miki OgasawaraRyo Ishikawa
Jul 7, 2021·Physiologia Plantarum·Ravneet KaurHasthi Ram
Sep 25, 2021·The Plant Journal : for Cell and Molecular Biology·Sichul LeeMary Lou Guerinot
Nov 14, 2021·Biological Trace Element Research·Vívian Ebeling VianaCamila Pegoraro
Oct 19, 2021·Bioscience, Biotechnology, and Biochemistry·Khurram Bashir, Yasuhiro Ishimaru
Nov 3, 2021·Journal of Experimental Botany·Stephan Clemens
Nov 3, 2021·Journal of Experimental Botany·Sheng HuangJian Feng Ma
Dec 7, 2021·Frontiers in Plant Science·Jianqin XuFutong Yu

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