Impact of metal pollution and Thlaspi caerulescens growth on soil microbial communities.

L. Epelde, J.M. Becerril, G.A. Kowalchuk, Y. Deng, J. Zhou, C. Garbisu

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

been proposed as indicators of soil functioning, making them potentially useful in evaluating the recovery of polluted soils via phytoremediation strategies. To evaluate microbial responses to metal phytoextraction using hyperaccumulators, a microcosm experiment was carried out to study the impacts of Zn and/or Cd pollution and Thlaspi caerulescens growth on key soil microbial properties: basal respiration; substrate-induced respiration (SIR); bacterial community structure as assessed by PCR-denaturing gradient gel electrophoresis (DGGE); community sizes of total bacteria, ammonia-oxidizing bacteria, and chitin-degrading bacteria as assessed by quantitative PCR (Q-PCR); and functional gene distributions as determined by functional gene arrays (GeoChip). T. caerulescens proved to be suitable for Zn and Cd phytoextraction: Shoots accumulated up to 8,211 and 1,763 mg kg
Original languageEnglish
Pages (from-to)7843-7853
JournalApplied and Environmental Microbiology
Volume76
DOIs
Publication statusPublished - 2010

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