| My favorite animal, Trichoplax adhaerens. | |
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MedLine Citation:
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PMID: 16299758 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Trichoplax adhaerens is more simply organized than any other living metazoan. This tiny marine animal looks like a irregular "hairy plate" ("tricho plax") with a simple upper and lower epithelium and some loose cells in between. After its original description by F.E. Schulze 1883, it attracted particular attention as a potential candidate representing the basic and ancestral state of metazoan organization. The lack of any kind of symmetry, organs, nerve cells, muscle cells, basal lamina and extracellular matrix originally left little doubt about the basal position of T. adhaerens. Nevertheless, the interest of zoologists and evolutionary biologists suddenly vanished for more than half a century when Trichoplax was claimed to be an aberrant hydrozoan planula larva. Recently, Trichoplax has been rediscovered as a key species for unraveling early metazoan evolution. For example, research on regulatory genes and whole genome sequencing promise insights into the genetics underlying the origin and development of basal metazoan phyla. Trichoplax offers unique potential for understanding the minimal requirements of metazoan animal organization. |
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Authors:
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Bernd Schierwater |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: BioEssays : news and reviews in molecular, cellular and developmental biology Volume: 27 ISSN: 0265-9247 ISO Abbreviation: Bioessays Publication Date: 2005 Dec |
Date Detail:
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Created Date: 2005-11-24 Completed Date: 2006-01-04 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 8510851 Medline TA: Bioessays Country: United States |
Other Details:
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Languages: eng Pagination: 1294-302 Citation Subset: IM |
Copyright Information:
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(c) 2005 Wiley Periodicals, Inc. |
Affiliation:
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ITZ, Ecology and Evolution, Tierärztliche Hochschule Hannover, Germany. bernd.schierwater@ecolevol.de |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Evolution Gene Expression Genome Invertebrates / classification, genetics, physiology*, ultrastructure |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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