The roles of organic anion permeases in aluminium resistance and mineral nutrition

FEBS Letters - Tập 581 - Trang 2255-2262 - 2007
Emmanuel Delhaize1, Benjamin D. Gruber1, Peter R. Ryan1
1CSIRO Plant Industry, GPO Box 1600, Canberra, ACT 2601, Australia

Tóm tắt

Soluble aluminium (Al3+) is the major constraint to plant growth on acid soils. Plants have evolved mechanisms to tolerate Al3+ and one type of mechanism relies on the efflux of organic anions that protect roots by chelating the Al3+. Al3+ resistance genes of several species have now been isolated and found to encode membrane proteins that facilitate organic anion efflux from roots. These proteins belong to the Al3+‐activated malate transporter (ALMT) and multi‐drug and toxin extrusion (MATE) families. We review the roles of these proteins in Al3+ resistance as well as their roles in other aspects of mineral nutrition.

Tài liệu tham khảo

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FEBS Letters

Tập 581

2255-2262

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