Studies on the root associations of the truffle Terfezia terfezioides

Kovács, G. M. and Bagi, I. and Vágvölgyi, Cs. and Kottke, Ingrid and Oberwinkler, F. (2002) Studies on the root associations of the truffle Terfezia terfezioides. Acta Microbiologica et Immunologica Hungarica, 49 (2-3). pp. 207-213. ISSN 1217-8950

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The paper contains an overview of the results of the studies made on the truffle Terfezia terfezioides, particularly the investigations related to the associations of this fungus with plants. Twelve plant species originated from a natural habitat of the fungus were supposed to be connected with T. terfezioides based on the anatomy of the endogenous fungal structures in their roots. Aseptic experiments were carried out on modified MMN substrates with different phosphate concentrations to study the interaction of T. terfezioides with Robinia pseudoacacia and Helianthemum ovatum. The colonization of the roots of black locust was always weaker than that of Helianthemum. The main characteristics were the intracellular coiled, branched, frequently septated hyphae in dead root cells. The intercellular hyphae formed Hartig-net with finger like structures only in Helianthemum. the interactions could not be considered unambiguously as mycorrhizae. There was no difference between the RFLP profiles of the nr DNA ITS of nineteen fruit bodies collected at the same time from the habitat and the ITS of three randomly chosen specimens were identical on sequence level, too. These invariability makes to design species specific PCR primers possible to check unambiguously the host plants.

Item Type: Article
Subjects: Q Science / természettudomány > QR Microbiology / mikrobiológia
Depositing User: xFruzsina xPataki
Date Deposited: 11 Sep 2017 06:42
Last Modified: 11 Sep 2017 06:42

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