Monocercomonoides
''Monocercomonoides'' is a genus of flagellate Excavata belonging to the order Oxymonadida. It was established by Bernard V. Travis and was first described as those with "polymastiginid flagellates having three anterior Flagellum, flagella and a trailing one originating at a single basal granule located in front of the anteriorly positioned cell nucleus, nucleus, and a more or less well-defined axostyle". It is the first eukaryotic genus to be found to completely lack Mitochondrion, mitochondria, and all hallmark proteins responsible for mitochondrial function. The genus also lacks any other Mitochondrion#Origin and evolution, mitochondria related organelles (MROs) such as hydrogenosomes or mitosomes. Data suggests that the absence of mitochondria is not an ancestral feature, but rather due to secondary loss. ''Monocercomonoides ''sp. was found to obtain energy through an enzymatic action of nutrients absorbed from the environment. The genus has replaced the Iron–sulfur protein ...
[...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]