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(Redirected from Holomycotan)
Clade containing fungi and some protists
Rozella (Cryptomycota) is the earliest diverging fungal genus in which chitin has been observed at least in some stages of their life cycle, although the chitinous cell wall (another fungal hallmark) and osmotrophy originated in a common ancestor of Blastocladiomycota and Chytridiomycota, which still contain some ancestral characteristics such as the flagellum in zoosporic stage. The groups of fungi with the characteristic hyphal growth, Zoopagomycota, Mucoromycotina and Dikarya, originated from a common ancestor ~700 Mya. Zoopagomycota are mostly pathogens of animals or other fungi, Mucoromycotina is a more diverse group including parasites, saprotrophs or ectomycorrhizal. Dikarya is the group embracing Ascomycota and Basidiomycota, which comprise ~98% of the described fungal species. Because of this rich diversity, Dikarya includes highly morphologically distinct groups, from hyphae or unicellular yeasts (such as the model organism Saccharomyces cerevisiae) to the complex multicellular fungi popularly known as mushrooms. Contrary to animals and land plants with complex multicellularity, the inferred phylogenetic relationships indicate that fungi acquired and lost multicellularity multiple times along Ascomycota and Basidiomycota evolution.
Phylogeny
The phylogenetic tree depicts the fungi and their close relationship to other organisms, based on the work of Philippe Silar and "The Mycota: A Comprehensive Treatise on Fungi as Experimental Systems for Basic and Applied Research". The holomycota tree is following Tedersoo et al.
^ Berbee, Mary L.; James, Timothy Y.; Strullu-Derrien, Christine (2017-09-08). "Early Diverging Fungi: Diversity and Impact at the Dawn of Terrestrial Life". Annual Review of Microbiology. 71 (1): 41–60. doi:10.1146/annurev-micro-030117-020324. PMID28525299.
^ Stajich, Jason E.; Berbee, Mary L.; Blackwell, Meredith; Hibbett, David S.; James, Timothy Y.; Spatafora, Joseph W.; Taylor, John W. (2009-09-29). "The Fungi". Current Biology. 19 (18): R840–R845. doi:10.1016/j.cub.2009.07.004. PMC2913116. PMID19788875.
