E
Ellsworth Grell
Researcher at University of California, San Francisco
Publications - 6
Citations - 1998
Ellsworth Grell is an academic researcher from University of California, San Francisco. The author has contributed to research in topics: Gene & Ectopic expression. The author has an hindex of 6, co-authored 6 publications receiving 1973 citations.
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Journal ArticleDOI
Searching for pattern and mutation in the Drosophila genome with a P-lacZ vector.
E Bier,Harald Vaessin,S Shepherd,K Lee,Kimberly McCall,S Barbel,Larry Ackerman,R Carretto,Tadashi Uemura,Ellsworth Grell +9 more
TL;DR: This type of screen appears to be an effective way to find new loci that may play a role in the development of the Drosophila nervous system.
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atonal is the proneural gene for Drosophila photoreceptors
TL;DR: It is found that photoreceptor formation requires the function of atonal at the morphogenetic furrow and that atonal is specifically required for R8 selection, and that photo-receptors are selected by two mechanisms: R8 by a proneural mechanism, and Rl–7 by local recruitment.
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prospero is expressed in neuronal precursors and encodes a nuclear protein that is involved in the control of axonal outgrowth in Drosophila.
TL;DR: The authors' mutant analysis indicates that prospero regulates other neuronal precursor genes and is essential for the axonal outgrowth and pathfinding of numerous central and peripheral neurons.
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The maternal sex determination gene daughterless has zygotic activity necessary for the formation of peripheral neurons in Drosophila.
TL;DR: The results indicate that da+ is required for the formation of peripheral neurons and their associated sensory structures, and deletions or strong mutations of the da gene remove all peripheral neuronal structures without disrupting the epithelium from which they derive.
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Spatially localized rhomboid is required for establishment of the dorsal-ventral axis in Drosophila oogenesis
TL;DR: It is proposed that the spatially restricted rho protein leads to selective activation of the epidermal growth factor receptor in the dorsal follicle cells and subsequently the specification of the dorsalocyte cells.