Journal
SOIL BIOLOGY & BIOCHEMISTRY
Volume 41, Issue 6, Pages 1344-1347Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.soilbio.2009.02.033
Keywords
Ascomycetes; Polyketide synthase gene expression; Soil cDNA library; Soil community structuring; Soil RNA extraction
Categories
Funding
- National Science Foundation [DEB 061442, DEB-0315138, DEB-0075397, DEB9629842]
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Secondary metabolites synthesized via the polyketide pathway are thought to mediate interference competition between soil microorganisms as well as cell-to-cell signaling. Although their synthesis has been documented in laboratory culture, it remains uncertain whether these compounds are actually produced under field conditions. Here, we report the presence and expression of fungal Type I polyketide synthase (PKS) genes in the organic horizon of a forest soil. if these expressed PKS genes produce compounds that elicit antagonistic interactions among soil microorganisms, then it could be a factor structuring microbial communities in soil. (C) 2009 Elsevier Ltd. All rights reserved.
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