Highlights • B chromosomes are dispensable parts of the karyotype of many eukaryotes. • Deemed genome parasites in plants and animals, provide advantage to pathogenic fungi. • Often enriched in repeats and in fast evolving pathogenicity-related genes. • B chromosomes are not a uniform class, share certain features with core chromosomes.
Journal: Current opinion in microbiology
DOI: 10.1016/j.mib.2018.01.012
Year: 2018