... that Euascomycota are in dark green, Hemiascomycota in red, archiascomycete S. pombe in yellow, Basidiomycota excluding U. maydis in blue, U. maydis in purple, zygomycete R. oryzae in orange, ... lineage,suggesting either that the remaining introns are very hard tolose or that loss rates have greatly diminished within the lin-eage. By contrast, 14 of 23 introns present in Y. lipolytica ... hemiascomycetes provides insightsinto the evolution of nearly intronless lineages. The extensiveloss of introns in hemiascomycetes corresponds to the posi-tion in the fungal phylogeny with a...