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Basidiobolus haptosporus is frequently associated with the gamasid mite Leptogamasus obesus

Title data

Werner, Sebastian ; Peršoh, Derek ; Rambold, Gerhard:
Basidiobolus haptosporus is frequently associated with the gamasid mite Leptogamasus obesus.
In: Fungal Biology. Vol. 116 (2012) Issue 1 . - pp. 90-97.
ISSN 1878-6162
DOI: https://doi.org/10.1016/j.funbio.2011.10.004

Abstract in another language

Two species of mites inhabiting a pine forest soil were screened for associated fungi. The fungal community composition was assessed in 49 mite and 19 soil samples by environmental PCR with a focus on fungi of the genus Basidiobolus. PCR products of the fungal ITS rRNA gene were analysed by sub-cloning, RFLP-analysis and sequencing. Thereby Basidiobolus haptosporus was found for the first time to be frequently associated with the gamasid mite species Leptogamasus obesus, while being absent from the oribatid mite Oppiella subpectinata, and from the surrounding soil. The fungus was isolated in pure culture for a detailed morphological characterization and experimental approaches concerning the nature of this fungus-mite association. The experiments and a supporting microscopic screening of freshly captured gamasid mites revealed no indications for the fungus being localized in the mites’ gut or hemocoel, but a single spore was found attached to an individual of L. obesus. However, an exclusive phoretic association does not satisfactorily explain the frequent detection of B. haptosporus DNA on or in L. obesus, and the absence of the fungus from soil samples seems not to be in line with its assumed ecology as a widespread saprobic soil fungus. Therefore, a second host species in the life cycle of B. haptosporus is discussed as a working hypothesis.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER101764
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Professorship Mycology
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Professorship Mycology > Professorship Mycology - Univ.-Prof. Dr. Gerhard Rambold
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 05 May 2015 12:10
Last Modified: 05 May 2015 12:10
URI: https://eref.uni-bayreuth.de/id/eprint/12761