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The drosophila gastrulation gene concertina encodes a Gα-like protein
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Gastrulation is a complex process requiring the coordination of cell shape changes and cell movements. In Drosophila, gastrulation begins immediately upon cellularization of the blastoderm stage embryo with the formation of the ventral furrow and posterior midgut. Cells that form both of these invaginations change their shape via apical constriction. Embryos from mothers homozygous for mutations in the concertina (cta) gene begin furrow formation by forming a zone of tightly apposed cells, constrict some cells, and then fail to constrict enough cells to form an organized groove. The cta gene has been cloned, and sequence analysis suggests that it encodes an alpha subunit of a G protein. G proteins have a role in cell-cell communication as mediators of signals between membrane-bound receptors and intracellular effectors. The phenotype of embryos from homozygous cta mothers suggests that the cta gene plays a role in a signal transduction pathway used during gastrulation.
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“Twist and Snail transcription factors play an instrumental role in controlling invagination and ventral furrow formation by regulated expression of the genes folded-gastrulation, concertina, and T48”
From Graded dorsal and differential gene regulation in the Drosophila embryo. (2009) · cites this paper as Parks and Wieschaus 1991
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Metadata
- Authors
- Parks, S., & Wieschaus, E.
- Affiliations
- Howard Hughes Medical Institute (US)
- Princeton University (US)
- ORCID
- Wieschaus, Eric
- Venue
- Cell
- Publisher
- Elsevier BV
- Published
- 1991-01
- Volume
- 64
- Issue
- 2
- Pages
- 447-458
- ISSN
- 0092-8674 (ISSN-L)
- OpenAlex
- W1969714257
- Cited by
- 327
- References
- 0
- Citations by year
- 2026: 3 · 2025: 3 · 2024: 10 · 2023: 10 · 2022: 9 · 2021: 5 · 2020: 11 · 2019: 6 · 2018: 4 · 2017: 12 · 2016: 10 · 2015: 4 · 2014: 10 · 2013: 11 · 2012: 5
- FWCI
- 5.74
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- Cell (publishedVersion, cc-by-nc-nd)
- PubMed (publishedVersion)
- Funders
- National Institutes of Health
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (5R37 HD 15587)
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Cellular Mechanics and Interactions
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Kinase Regulation and GTPase Signaling
- Keywords
- G protein alpha subunit, Drosophila gastrulation, ventral furrow formation, apical constriction, signal transduction, intercellular communication, gene cloning
- MeSH terms
- Amino Acid Sequence, Animals, Base Sequence, DNA, Drosophila, Embryo, Nonmammalian, Female, Gastrula, Gene Expression Regulation, Microscopy, Electron, Scanning, Molecular Sequence Data, Mutation, Sequence Homology, Nucleic Acid, GTP-Binding Proteins
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