Genomic Evidence of Recombination in the Basidiomycete Wallemia mellicola.
Genes (Basel)
; 10(6)2019 06 04.
Article
en En
| MEDLINE
| ID: mdl-31167502
ABSTRACT
One of the most commonly encountered species in the small basidiomycetous sub-phylum Wallemiomycotina is Wallemiamellicola, a xerotolerant fungus with a widespread distribution. To investigate the population characteristics of the species, whole genomes of twenty-five strains were sequenced. Apart from identification of four strains of clonal origin, the distances between the genomes failed to reflect either the isolation habitat of the strains or their geographical origin. Strains from different parts of the world appeared to represent a relatively homogenous and widespread population. The lack of concordance between individual gene phylogenies and the decay of linkage disequilibrium indicated that W. mellicola is at least occasionally recombining. Two versions of a putative mating-type locus have been found in all sequenced genomes, each present in approximately half of the strains. W. mellicola thus appears to be capable of (sexual) recombination and shows no signs of allopatric speciation or specialization to specific habitats.
Palabras clave
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Basidiomycota
/
Genoma
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Genómica
/
Especiación Genética
Tipo de estudio:
Prognostic_studies
Idioma:
En
Revista:
Genes (Basel)
Año:
2019
Tipo del documento:
Article
País de afiliación:
China