Repeated loss of function at HD mating-type genes and of recombination suppression without mating-type locus linkage in anther-smut fungi
Elise A Lucotte,
Paul Jay,
Quentin Rougemont
et al.
Abstract:A wide diversity of mating systems occur in nature, with frequent evolutionary transitions in mating-compatibility mechanisms. Basidiomycete fungi typically have two mating-type loci controlling mating compatibility, HD and PR, usually residing on different chromosomes. In Microbotryum anther-smut fungi, there have been repeated events of linkage between the two mating-type loci through chromosome fusions, leading to large non-recombining regions. By generating high-quality genome assemblies, we found that two… Show more
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