| Isolation and characterization of a cDNA encoding a potential morphogen from the marine sponge Geodia cydonium that is conserved in higher metazoans. | |
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MedLine Citation:
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PMID: 9523439 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Species belonging to the lowest metazoan phylum, the sponges (Porifera), exhibit a surprisingly complex and multifaceted Bauplan (body plan). Recently, key molecules have been isolated from sponges which demonstrate that the cells of these animals are provided with characteristic metazoan adhesion and signal transduction molecules, allowing tissue formation. In order to understand which factors control the spatial organization of these cells in the sponge body plan, we screened for a cDNA encoding a soluble modulator of the behaviour of endothelial cells. A cDNA encoding a putative protein, which is highly similar to the human and mouse endothelial monocyte-activating polypeptide (EMAP) II has been isolated from a library of the marine sponge Geodia cydonium. The sponge EMAP-related polypeptide (EMAPR) has been termed EMAPR1_GC. The full-length cDNA clone, GCEMAPR1, has a size of 592 nucleotides (nt) and contains a 447 nt-long potential open reading frame; the molecular weight (MW) of the deduced amino acid sequence, 16,499 Da, is close to that of mature mammalian EMAP II (ca. 18 kDa). The sponge polypeptide is also closely related to a deduced polypeptide from the cosmid clone F58B3 isolated from Caenorhabditis elegans. A phylogenetic analysis revealed that the sponge and the nematode EMAPR molecules form a cluster which is significantly separated from the corresponding mammalian EMAP molecules. The function of the first cloned putative soluble modulator of endothelial cells in sponges remains to be determined. |
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Authors:
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S Pahler; A Krasko; J Schütze; I M Müller; W E Müller |
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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: Proceedings. Biological sciences / The Royal Society Volume: 265 ISSN: 0962-8452 ISO Abbreviation: Proc. Biol. Sci. Publication Date: 1998 Mar |
Date Detail:
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Created Date: 1998-04-14 Completed Date: 1998-04-14 Revised Date: 2009-11-18 |
Medline Journal Info:
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Nlm Unique ID: 101245157 Medline TA: Proc Biol Sci Country: ENGLAND |
Other Details:
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Languages: eng Pagination: 421-5 Citation Subset: IM |
Affiliation:
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Abteilung für Angewandte Molekularbiologie, Universität, Mainz, Germany. |
| Data Bank Information | |
Bank Name/Acc. No.:
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GENBANK/Y14947 |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Amino Acid Sequence Animals Conserved Sequence Cytokines* DNA, Complementary / genetics*, isolation & purification Humans Mice Molecular Sequence Data Morphogenesis / genetics* Neoplasm Proteins / genetics* Phylogeny Porifera / embryology, genetics* Proteins / genetics RNA-Binding Proteins / genetics* Sequence Alignment |
| Chemical | |
Reg. No./Substance:
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0/Cytokines; 0/DNA, Complementary; 0/Neoplasm Proteins; 0/Proteins; 0/RNA-Binding Proteins; 0/small inducible cytokine subfamily E, member 1 |
| Comments/Corrections | |
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