Ytterbium increases transmembrane water transport in Zea mays roots via aquaporin modulation

被引：6

作者：

Vorob'ev, Vladimir N. ^{[1
,2
]}

Sibgatullin, Timur A. ^{[1
]}

Sterkhova, Kseniya A. ^{[1
]}

Alexandrov, Evgeniy A. ^{[1
]}

Gogolev, Yuri, V ^{[1
,2
]}

Timofeeva, Olga A. ^{[2
]}

Gorshkov, Vladimir Y. ^{[1
,2
]}

Chevela, Vladimir V. ^{[2
]}

机构：

[1] Russian Acad Sci, FRC Kazan Sci Ctr, Kazan Inst Biochem & Biophys, POB 30,Lobachevsky St 2-13, Kazan 420111, Russia

[2] Kazan Volga Reg Fed Univ, Kremlyovskaya St 18, Kazan 420008, Russia

来源：

BIOMETALS | 2019年 / 32卷 / 06期

关键词：

Zea mays; Water permeability; NMR-spectroscopy; Lanthanides; Gene expression analysis; PERMEABILITY; DIFFUSION; DEPENDS; STRESS; GROWTH; CELLS;

D O I：

10.1007/s10534-019-00221-4

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

In our study, the rare earth element ytterbium (Yb3+) was demonstrated to affect water exchange in roots of Zea mays seedlings. Herewith, the overall membrane permeability (P-d) increased. The P-d increase was determined by aquaporin activity but not the membrane lipid component since the closure of aquaporin channels due to low intracellular pH abolished the positive effect of Yb3+ on P-d. Additionally, the expression level of aquaporin genes ZmPIP2;2, ZmPIP2;6 and ZmTIP2;2 was increased when plants were grown in the presence of Yb3+. Our results indicate that previously described positive influence of rare earth metals on plant growth and productivity may be mediated (at least partially) by the modification of the plant hydraulic system.

引用

页码：901 / 908

页数：8