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Creolimax fragrantissima
Species of protist From Wikipedia, the free encyclopedia
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Creolimax fragrantissima is a single-celled protist that occupies a key phylogenetic position to understand the origin of animals. It was isolated from the digestive tract of some marine invertebrates, mainly from the peanut worm, collected from the Northeast Pacific.
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Taxonomy
Creolimax is a member of the Ichthyosporea, which is the earliest branching holozoan lineage.[2]
Applications
Creolimax is one of the few ichthyosporeans that is culturable. It can be easily grown in the lab through cycles of asexual reproduction. Each cycle comprises two stages. First, a growth stage, in which the cells, which are non-motile, contain several nuclei, a cell wall, and a big central vacuole. This stage is followed by a release of motile amoeboids, which are mono-nucleated and non-dividing.[3][4] Characterising those two stages can help to elucidate the development of specific cell types in multicellular animals.
Moreover, it has been shown that Creolimax uses a complex gene regulation system, including long non-coding RNAs and exon skipping alternative splicing, which were normally associated with multicellular animals.[4]
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References
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