Do ectomycorrhizal fungi exhibit adaptive tolerance to potentially toxic metals in the environment?

Jeanette Hartley, John W G Cairney, Andrew A. Meharg*

*Corresponding author for this work

Research output: Contribution to journalArticle

127 Citations (Scopus)

Abstract

The effects of potentially toxic metals on ectomycorrhizal (ECM) fungi and their higher plant hosts are examined in this review. Investigations at a species and community level have revealed wide inter- and intraspecific variation in sensitivity to metals. Adaptive and constitutive mechanisms of ECM tolerance are proposed and discussed in relation to proven tolerance mechanisms in bacteria, yeasts and plants. Problems with methodology and research priorities are highlighted. These include the need for a detailed understanding of the genetic basis of tolerance in the ECM symbiosis, and for studies of ECM community dynamics in polluted sites.

Original languageEnglish
Pages (from-to)303-319
Number of pages17
JournalPlant and Soil
Volume189
Issue number2
DOIs
Publication statusPublished - 1997

Keywords

  • Ectomycorrhizae
  • Genetic variation
  • Metal tolerance
  • Physiological mechanisms

ASJC Scopus subject areas

  • Soil Science
  • Agronomy and Crop Science
  • Plant Science

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