Journal
FEMS MICROBIOLOGY LETTERS
Volume 296, Issue 2, Pages 159-166Publisher
OXFORD UNIV PRESS
DOI: 10.1111/j.1574-6968.2009.01632.x
Keywords
Acidobacteria; TNT; diversity; DGGE; clone libraries
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Funding
- National Fund for Scientific Research of Belgium (FNRS)
- European Commission
- FNRS
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Despite their widespread occurrence in soils, the ecology of Acidobacteria and their response to environmental perturbations due to human activities remain very poorly documented. This study was aimed at assessing changes in the diversity and abundance of Acidobacteria in soils contaminated with 2,4,6-trinitrotoluene (TNT) compared with nonpolluted soils. The analysis of Acidobacteria communities at two sites with long-term and short-term contamination revealed that TNT has a drastic impact on the relative abundance of Acidobacteria in soil bacterial 16S rRNA gene libraries. The disappearance of most Acidobacteria from these soils was concomitant with a shift in Acidobacteria community composition and a loss of diversity, although the extent of diversity erosion depended on the sampling site.
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