Heteronema
Genus of algae / From Wikipedia, the free encyclopedia
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Heteronema is a genus of phagotrophic, flagellated euglenoids that are most widely distributed in fresh water environments.[1] This genus consists of two very distinguishable morphogroups that are phylogenetically closely related.[1][2][3] These morphogroups are deciphered based on shape, locomotion and other ultrastructural traits. However, this genus does impose taxonomic problems due to the varying historical descriptions of Heteronema species and its similarity to the genus Paranema.[1] The species H. exaratum, was the first heteronemid with a skidding motion to be sequenced, which led to the discovery that it was not closely related to H. scaphrum, contrary to what was previously assumed, but instead to a sister group of primary osmotrophs.[2] This suggests that skidding heteronemids can also be distinguished phylogenetically, being more closely related to Anisoma, Dinema and Aphageae, than to other species within Heteronema.[2]
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Heteronema | |
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Scientific classification ![]() | |
Domain: | Eukaryota |
Phylum: | Euglenozoa |
Class: | Euglenida |
Clade: | Anisonemia |
Genus: | Heteronema Dujardin, 1841 |