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Molecular diversity of the Metarhizium anisopliae lineage in an agricultural field

Steinwender, Bernhardt M.; Enkerli, Jürg; Widmer, Franco; Eilenberg, Jørgen and Meyling, Nicolai V. (2011) Molecular diversity of the Metarhizium anisopliae lineage in an agricultural field. IOBC/WPRS Bulletin, 66, pp. 113-115.

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Summary

Entomopathogenic fungal isolates identified by morphology as Metarhizium anisopliae may belong to different species when identified by molecular characters. We isolated Metarhizium spp. from an experimental agricultural field under both conventional and organic farming regimes using Tenebrio molitor as bait insect to assess the molecular diversity within the soil. Isolates were analyzed using DNA sequencing and applying SSR markers. Within the former M. anisopliae lineage, we found M. brunneum (86.3%), M. robertsii (11.3%) and M. majus (3.4%) in the soil samples. Several genotypes of each species were identified based on SSR markers. Differences in abundance of the species and their genotypes suggest different adaptations to the soil environment of the agricultural field. There were no effects of conventinal or organic farming regimes on diversity of the fungi.


EPrint Type:Journal paper
Subjects: Soil > Soil quality > Soil biology
Environmental aspects > Biodiversity and ecosystem services
Research affiliation: Denmark > DARCOF III (2005-2010) > VEGQURE - Organic cropping Systems for Vegetable production
Deposited By: Meyling, Nicolai V.
ID Code:19302
Deposited On:31 Aug 2011 07:54
Last Modified:26 Sep 2012 09:42
Document Language:English
Status:Published
Refereed:Not peer-reviewed

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