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    Relationship between monokaryotic growth rate and mating type in the edible basidiomycete Pleurotus ostreatus

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    Date
    2001
    Author
    Larraya Reta, Luis María Upna Orcid
    Pérez Garrido, Gumersinda Upna Orcid
    Iribarren, Iñaki 
    Blanco Vaca, Juan Antonio Upna Orcid
    Alfonso Esquíroz, Mikel Upna
    Pisabarro de Lucas, Gerardo Upna Orcid
    Ramírez Nasto, Lucía Upna Orcid
    Version
    Acceso abierto / Sarbide irekia
    Type
    Artículo / Artikulua
    Version
    Versión publicada / Argitaratu den bertsioa
    Impact
     
     
     
    10.1128/aem.67.8.3385-3390.2001
     
     
     
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    Abstract
    The edible fungus Pleurotus ostreatus (oyster mushroom) is an industrially produced heterothallic homobasidiomycete whose mating is controlled by a bifactorial tetrapolar genetic system. Two mating loci (matA and matB) control different steps of hyphal fusion, nuclear migration, and nuclear sorting during the onset and progress of the dikaryotic growth. Previous studies have shown that the segreg ... [++]
    The edible fungus Pleurotus ostreatus (oyster mushroom) is an industrially produced heterothallic homobasidiomycete whose mating is controlled by a bifactorial tetrapolar genetic system. Two mating loci (matA and matB) control different steps of hyphal fusion, nuclear migration, and nuclear sorting during the onset and progress of the dikaryotic growth. Previous studies have shown that the segregation of the alleles present at the matB locus differs from that expected for a single locus because (i) new nonparental B alleles appeared in the progeny and (ii) there was a distortion in the segregation of the genomic regions close to this mating locus. In this study, we pursued these observations by using a genetic approach based on the identification of molecular markers linked to the matB locus that allowed us to dissect it into two genetically linked subunits (matBa and matBb) and to correlate the presence of specific matBa and matA alleles with differences in monokaryotic growth rate. The availability of these molecular markers and the mating type dependence of growth rate in monokaryons can be helpful for marker-assisted selection of fast-growing monokaryons to be used in the construction of dikaryons able to colonize the substrate faster than the competitors responsible for reductions in the industrial yield of this fungus. [--]
    Subject
    Pleurotus ostreatus, Monokaryotic growth rate, Mating type
     
    Publisher
    American Society for Microbiology
    Published in
    Applied and Environmental Microbiology, Aug. 2001, Vol. 67, No. 8, p. 3385–3390
    Departament
    Universidad Pública de Navarra. Departamento de Producción Agraria / Nafarroako Unibertsitate Publikoa. Nekazaritza Ekoizpena Saila
     
    Publisher version
    https://doi.org/10.1128/aem.67.8.3385-3390.2001
    URI
    https://hdl.handle.net/2454/31950
    Sponsorship
    This work was supported by research project BIO99-0278 of the Comisión Nacional de Ciencia y Tecnología and by Funds of the Universidad Pública of Navarra (Pamplona, Spain). M.A. holds a grant from the Departamento de Industria del Gobierno de Navarra.
    Appears in Collections
    • Artículos de revista - Aldizkari artikuluak [4205]
    • Artículos de revista DPA - NES Aldizkari artikuluak [129]
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