Molecular characterization of totiviruses in Xanthophyllomyces dendrorhous.

ABSTRACT:

Background

Occurrence of extrachromosomal dsRNA elements has been described in the red-yeast Xanthophyllomyces dendrorhous, with numbers and sizes that are highly variable among strains with different geographical origin. The studies concerning to the encapsidation in viral-like particles and dsRNA-curing have suggested that some dsRNAs are helper viruses, while others are satellite viruses. However, the nucleotide sequences and functions of these dsRNAs are still unknown. In this work, the nucleotide sequences of four dsRNAs of the strain UCD 67-385 of X. dendrorhous were determined, and their identities and genome structures are proposed. Based on this molecular data, the dsRNAs of different strains of X. dendrorhous were analyzed.

Results

The complete sequences of L1, L2,

SUBMITTER: Baeza M 

PROVIDER: S-EPMC3561658 | biostudies-literature | 2012 Jul

REPOSITORIES: biostudies-literature