期刊
BIOCHIMIE
卷 83, 期 5, 页码 423-426出版社
EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/S0300-9084(01)01260-3
关键词
bone morphogenetic proteins (BMP2/4); molluscs; echinoderms; cnidaria
Although believed to be widely distributed among the animal kingdom, transforming growth factor-beta (TGF-beta) superfamily members have mainly been characterized in vertebrate and in invertebrate model organisms such as Drosophila and C. elegans. To characterize such new factors in invertebrates, a PCR screen was performed on genomic DNA from different animal phyla, using degenerate primers deduced from consensus sequences of known members of the TGF-beta superfamily. Four new members were identified from a cnidaria, an echinoderm and from two classes of molluscs. These new proteins exhibit a high degree of identity with human bone morphogenetic proteins (BMP2/4). Sequence comparisons suggest an early origin and an evolutionary conservation of the molecular conformation. However, their possible involvement in distinct regulatory pathways is discussed. (C) 2001 societe francaise de biochimie et biologie moleculaire/Editions scientifiques et medicales Elsevier SAS. All rights reserved.
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