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<p><b>New page</b></p><div>{{Short description|Class of anaerobic protists}}<br />
{{Taxobox<br />
| name = Anaeromonadea<br />
| image = Monocermonoides_melolanthae.jpg<br />
| image_caption = ''Monocercomonoides melolanthae''<br />
| domain = [[Eukaryota]]<br />
| unranked_regnum = [[Excavata]]<br />
| phylum = [[Metamonada]]<br />
| classis = '''Anaeromonadea'''<br />
| classis_authority = Cavalier-Smith, 1993<br />
}}<br />
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'''Anaeromonadea''' is a class of [[anaerobic]] protists within the phylum [[Metamonada]]. These organisms are notable for their lack of [[mitochondria]], a feature that distinguishes them from many other eukaryotes. Instead, they possess [[hydrogenosomes]], which are organelles that generate energy in the absence of oxygen.<br />
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==Characteristics==<br />
Anaeromonadea are characterized by their adaptation to anaerobic environments. They are typically found in oxygen-poor habitats such as the intestines of animals or deep sediments. The absence of mitochondria in these organisms is compensated by the presence of hydrogenosomes, which perform a similar function in energy metabolism.<br />
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===Morphology===<br />
Members of Anaeromonadea exhibit a variety of shapes and sizes, but they generally possess flagella, which they use for locomotion. The flagella are often arranged in characteristic patterns that can be used to identify different species within the class.<br />
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===Metabolism===<br />
Anaeromonadea rely on anaerobic metabolic pathways to generate energy. The hydrogenosomes play a crucial role in this process by converting pyruvate into acetate, carbon dioxide, and hydrogen gas. This metabolic adaptation allows them to thrive in environments where oxygen is scarce or absent.<br />
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==Ecology==<br />
Anaeromonadea are commonly found in symbiotic relationships with other organisms. For example, they inhabit the guts of various animals, where they contribute to the digestion of complex carbohydrates. Their ability to survive in anaerobic conditions makes them important players in the ecosystems they inhabit.<br />
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==Notable Genera==<br />
One of the most studied genera within Anaeromonadea is ''[[Monocercomonoides]]''. This genus includes species such as ''Monocercomonoides melolanthae'', which is often used as a model organism for studying anaerobic eukaryotes.<br />
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==Related pages==<br />
* [[Eukaryota]]<br />
* [[Excavata]]<br />
* [[Metamonada]]<br />
* [[Hydrogenosome]]<br />
* [[Anaerobic respiration]]<br />
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[[Category:Anaeromonadea]]<br />
[[Category:Metamonada]]<br />
[[Category:Anaerobic organisms]]</div>Prab