The role of the plasmalemma in metal tolerance in angiosperms

Andrew A. Meharg*

*Corresponding author for this work

Research output: Contribution to journalShort surveypeer-review

107 Citations (Scopus)

Abstract

Evidence for the role of the plasmalemma in metal tolerance of metal resistant ecotypes, cultivars and clones is presented. A range of tolerance mechanisms involving the plasmalemma are discussed including alterations to protein carrier and channel function and synthesis, efflux pumps and maintenance of plasmalemma integrity. Specific examples of such alterations from the literature on Al, As and Cu tolerance, where the plasmalemma has been shown to have a role in tolerance are considered. Tolerance by alterations to plasmalemma function in tolerant ecotypes may also rely on internal metal detoxification mechanisms constitutive in tolerant and non‐tolerant plants.

Original languageEnglish
Pages (from-to)191-198
Number of pages8
JournalPhysiologia Plantarum
Volume88
Issue number1
DOIs
Publication statusPublished - 01 Jan 1993
Externally publishedYes

Keywords

  • Aluminum
  • arsenate
  • cadmium
  • copper
  • metal tolerance
  • phytochelatins
  • plasmalemma
  • zinc

ASJC Scopus subject areas

  • Physiology
  • Genetics
  • Plant Science
  • Cell Biology

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