Detection of Tuber melanosporum DNA in soil

Our objectives were (i) to develop a molecular method to detect mycelia of Tuber melanosporum (black truffle) in soil and (ii) to test for mycelial distribution around two truffle-bearing Quercus ilex trees in a truffle orchard. Isolation of total DNA from soil was performed, followed by PCR amplifi...

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Bibliographic Details
Authors: Suz, Laura M., Martín, Laura P., Colinas, C. (Carlos)
Format: article
Status:Versión aceptada para publicación
Publication Date:2006
Country:España
Institution:Universitat de Lleida (UdL)
Repository:Repositori Obert UdL
OAI Identifier:oai:repositori.udl.cat:10459.1/57131
Online Access:https://doi.org/10.1111/j.1574-6968.2005.00029.x
http://hdl.handle.net/10459.1/57131
Access Level:Open access
Keyword:Tuber melanosporum
PCR-RFLP
Soil mycelium
Truffle orchard
Description
Summary:Our objectives were (i) to develop a molecular method to detect mycelia of Tuber melanosporum (black truffle) in soil and (ii) to test for mycelial distribution around two truffle-bearing Quercus ilex trees in a truffle orchard. Isolation of total DNA from soil was performed, followed by PCR amplification with T. melanosporum-specific primers and restriction analysis. To address the detection sensitivity level, soil samples were inoculated with known amounts of gleba of T. melanosporum. The detection limit was Z11.4 mg of hyphae g 1 of soil. Mycelium was detected primarily within the area defined by the truffle burn and within the top 35 cm of the soil in all directions from the trees.