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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Zhu, J. Hill, R. J. Heid, P. J. Fukuyama, M. Sugimoto, A. Priess, J. R. Rothman, J. H. |
| Description | Country affiliation: United States Author Affiliation: Zhu J ( Department of Biochemistry, University of Wisconsin, Madison, Wisconsin 53706, USA.) |
| Abstract | The endoderm in the nematode Caenorhabditis elegans is clonally derived from the E founder cell. We identified a single genomic region (the endoderm-determining region, or EDR) that is required for the production of the entire C. elegans endoderm. In embryos lacking the EDR, the E cell gives rise to ectoderm and mesoderm instead of endoderm and appears to adopt the fate of its cousin, the C founder cell. end-1, a gene from the EDR, restores endoderm production in EDR deficiency homozygotes. end-1 transcripts are first detectable specifically in the E cell, consistent with a direct role for end-1 in endoderm development. The END-1 protein is an apparent zinc finger-containing GATA transcription factor. As GATA factors have been implicated in endoderm development in other animals, our findings suggest that endoderm may be specified by molecularly conserved mechanisms in triploblastic animals. We propose that end-1, the first zygotic gene known to be involved in the specification of germ layer and founder cell identity in C. elegans, may link maternal genes that regulate the establishment of the endoderm to downstream genes responsible for endoderm differentiation. |
| File Format | HTM / HTML |
| ISSN | 08909369 |
| e-ISSN | 15495477 |
| Journal | Genes & Development |
| Issue Number | 21 |
| Volume Number | 11 |
| Language | English |
| Publisher | Cold Spring Harbor Laboratory Press |
| Publisher Date | 1997-11-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Discipline Molecular Discipline Biology__semicolon__developmental Discipline Biology__semicolon__genetics__semicolon__cell Discipline Biology Caenorhabditis Elegans Proteins Caenorhabditis Elegans Embryology Embryo, Nonmammalian Physiology Endoderm Helminth Proteins Biosynthesis Transcription Factors Amino Acid Sequence Animals Genetics Cell Division Codon Consensus Sequence Conserved Sequence Drosophila Cytology Gata Transcription Factors Genes, Helminth Genomic Imprinting Chemistry Homozygote Molecular Sequence Data Sequence Alignment Sequence Homology, Amino Acid Xenopus Zinc Fingers Research Support, Non-u.s. Gov't Research Support, U.s. Gov't, Non-p.h.s. Research Support, U.s. Gov't, P.h.s. |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Developmental Biology |
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