Phylogenetic affiliation of the desert truffles<em> Picoa juniperi</em> and <em>Picoa lefebvrei</em> - INRAE - Institut national de recherche pour l’agriculture, l’alimentation et l’environnement Accéder directement au contenu
Article Dans Une Revue Antonie van Leeuwenhoek Année : 2010

Phylogenetic affiliation of the desert truffles Picoa juniperi and Picoa lefebvrei

Résumé

The molecular phylogeny and comparative morphological studies reported here provide evidence for the recognition of the genus Picoa, an hypogeous desert truffle, in the family Pyronemataceae (Ascomycota, Pezizales). Picoa juniperi and Picoa lefebvrei were reassigned to the genus Picoa based on large subunit (LSU) sequence (28S) rDNA and internal transcribed spacer (ITS) rDNA (including the partial 18S, ITS1, ITS2, 5.8S gene, and partial 28S of the nuclear rDNA) data. Morphological studies of spores, asci, perida, and gleba revealed high similarities between P. lefebvrei and P. juniperi, thereby confirming the membership of both species in the genus Picoa. These two species were primarily distinguishable based on ascospore ornamentation.

Dates et versions

hal-02665533 , version 1 (31-05-2020)

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Citer

Imed Sbissi, Mohamed Neffati, Abdellatif Boudabous, Claude Murat-Furminieux, Maher Gtari. Phylogenetic affiliation of the desert truffles Picoa juniperi and Picoa lefebvrei. Antonie van Leeuwenhoek, 2010, 98 (4), pp.429 - 436. ⟨10.1007/s10482-010-9456-y⟩. ⟨hal-02665533⟩
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