Počet záznamů: 1

Evidence for a new lineage of primary ambrosia fungi in Geosmithia Pitt (Ascomycota: Hypocreales)

  1. 1.
    0351222 - MBU-M 2011 RIV GB eng J - Článek v odborném periodiku
    Kolařík, Miroslav - Kirkendall, L.
    Evidence for a new lineage of primary ambrosia fungi in Geosmithia Pitt (Ascomycota: Hypocreales).
    Fungal Biology. Roč. 114, č. 8 (2010), s. 676-689 ISSN 1878-6146
    Výzkumný záměr: CEZ:AV0Z50200510
    Klíčová slova: beta-Tubulin * Cnesinus lecontei * Eupagiocerus dentipes
    Kód oboru RIV: EE - Mikrobiologie, virologie

    Geosmithia is a genus of mitosporic filamentous fungi typically associated with phloeophagous bark beetles world-wide. During this study, the fungal associates of ambrosia Beatles Cnesinus lecontei, Eupagiocerus dentipes, and Microcorthylus sp. from Costa Rica, were studied using morphology and DNA sequences. Fungal associates belonged to four undescribed Geosmithia species. Geosmithia eupagioceri sp. nov. and G. microcorthyli sp. nov. are evidently primary ambrosia fungi of their respective vectors E. dentipes and Microcorthylus species. They both have convergently evolved distinct morphological adaptations including the production of large, solitary and globose conidia, and yeast-like cells. Tunnels of C. lecontei contained an undescribed Geosmithia species, but its nutritional importance for its vector is unclear. An auxiliary ambrosia fungus, Geosmithia rufescens sp. nov., was found associated with both G. eupagioceri and the Geosmithia species associated with C. lecontei
    Trvalý link: http://hdl.handle.net/11104/0191022