Abstract
Molecular phylogenetics has revolutionized our perception of relationships among zoosporic fungi. These organisms are now known to be exceedingly diverse and have adapted to a wide range of habitats from freshwater sites to harsh environments, including high alpine exposed soils. Analyses of gene sequences and characterization of zoospore ultrastructural features have converged into new phylogenetic hypotheses that have led to descriptions of new phyla and other taxa. This chapter updates the review by Barr (2001) chapter with a view toward what has recently been discovered about zoosporic fungi and how new insights can generate hypotheses about the evolution and adaptation of these organisms. It provides an overview of current classification and demonstrates how zoospore ultrastructural characters are applied within a molecular phylogenetic framework in taxonomic revision of zoosporic fungi. Expanding our knowledge of the systematics and evolution of these fungi is vital because zoosporic fungi can be productive members of microbial communities or highly destructive parasites of phytoplankton, plants, and amphibians.
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This review was supported by National Science Foundation Grants PEET DEB-0529694, REVSYS DEB-0949305, and AFTOL DEB 0732599.
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Powell, M.J., Letcher, P.M. (2014). 6 Chytridiomycota , Monoblepharidomycota, and Neocallimastigomycota . In: McLaughlin, D., Spatafora, J. (eds) Systematics and Evolution. The Mycota, vol 7A. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-55318-9_6
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