Genetic variability of Flammulina velutipes collections from Armenia
Fecha
2006Versión
Acceso abierto / Sarbide irekia
Tipo
Contribución a congreso / Biltzarrerako ekarpena
Versión
Versión publicada / Argitaratu den bertsioa
Impacto
|
nodoi-noplumx
|
Resumen
Armenian collections of Flammulina velutipes were examined for DNA sequence variability within the
ribosomal ITS1-5.8S-ITS2 region. Of 22 F. velutipes collections examined, several were heterozygous
for two indels and were cloned to recover complete ribosomal ITS sequences. Genetic diversity was remarkably
high in collections from Armenia when compared to collections from other parts of Eurasi ...
[++]
Armenian collections of Flammulina velutipes were examined for DNA sequence variability within the
ribosomal ITS1-5.8S-ITS2 region. Of 22 F. velutipes collections examined, several were heterozygous
for two indels and were cloned to recover complete ribosomal ITS sequences. Genetic diversity was remarkably
high in collections from Armenia when compared to collections from other parts of Eurasia.
Haplotypes were assayed by phylogenetic analysis using maximum parsimony. At least 16 haplotypes
were recovered (collections were defined as the same haplotype if they differed by no more than two base
pairs). Most natural collections were heterozygous with respect to haplotype, suggesting an interbreeding,
genetically divergent population of fungi. This high level sequence diversity may be a consequence
of survival of ancient genetic variation in the Caucasus and in Armenia during periods of glaciation while
in Europe, genetic variation was extirpated. A subset of Armenian genetic diversity is found in Europe. [--]
Materias
Flammulina velutipes,
Genetic variability
Editor
Universidad Pública de Navarra / Nafarroako Unibertsitate Publikoa
Publicado en
Antonio G. Pisabarro and Lucía Ramírez (eds.): VI Meeting on Genetics and Cellular Biology of Basidiomycetes (GCBB-VI). Pamplona: Universidad Pública de Navarra / Nafarroako Unibertsitate Publikoa, 2006.
Notas
Comunicación presentada al VI Meeting on Genetics and Cellular Biology of Basidiomycetes (GCBB-VI), organizado por y celebrado en la Universidad Pública de Navarra el 3-6 de junio de 2005.
Entidades Financiadoras
Research was supported in part by an NSF PEET grant DEB9978011 to
R.H. Petersen and K. W. Hughes. S.M. Badalyan thanks NATO (#FEL.RIG.
980764) and DAAD (#548.104401.174) for financial support.