Proportion of phospholipids in the plasma membrane is an important factor in Al tolerance

Plant Signaling & Behavior
Eriko Maejima, Toshihiro Watanabe

Abstract

The negative charge on the plasma membrane (PM) is mainly derived from the phosphate group of phospholipids. One of the mechanisms of aluminum (Al) toxicity is to increase the PM permeability of root cells by binding to the negative sites on the PM. Thus, PM with a higher proportion of phospholipids could be more susceptible to Al toxicity. In our previous study, we showed that tolerance to Al and low-calcium in rice was enhanced by decreasing the proportion of phospholipids in root cells. Both Melastoma malabathricum L. and Melaleuca cajuputi Powell are dominant woody species that grow in tropical acid sulfate soils, and have been reported to be more tolerant to Al than rice. Surprisingly, the proportion of PM phospholipids in root cells of M. malabathricum and M. cajuputi was considerably low. Our present findings suggest that PM lipid composition plays an important role in Al tolerance mechanisms in various plant species.

References

Jul 2, 2002·Plant & Cell Physiology·Jian Feng MaMasahiro Yano
Sep 25, 2003·Annual Review of Plant Biology·Harold J G Meijer, Teun Munnik
Oct 7, 2003·Journal of Colloid and Interface Science·Scott D Shoemaker, T Kyle Vanderlick
Sep 21, 2004·Annual Review of Plant Biology·Leon V KochianMiguel A Pineros
Nov 18, 2004·Annals of Botany·Toshihiro Watanabe, Kensuke Okada
Jul 29, 2008·The Science of the Total Environment·Charlotte PoschenriederJuan Barceló
Nov 20, 2009·Proceedings of the National Academy of Sciences of the United States of America·Yuki NakamuraHiroyuki Ohta
Mar 31, 2012·Trends in Plant Science·Emmanuel DelhaizePeter R Ryan

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Citations

Oct 4, 2019·Scientific Reports·Barbara Gzyl-MalcherMaria Filek
Oct 28, 2017·Frontiers in Plant Science·Emanuel Bojórquez-QuintalManuel Martínez-Estévez
Jun 16, 2019·Plant Molecular Biology·Masato MurakawaMie Shimojima

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