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The art and design of genetic screens: Drosophila melanogaster
Abstract
The success of Drosophila melanogaster as a model organism is largely due to the power of forward genetic screens to identify the genes that are involved in a biological process. Traditional screens, such as the Nobel-prize-winning screen for embryonic-patterning mutants, can only identify the earliest phenotype of a mutation. This review describes the ingenious approaches that have been devised to circumvent this problem: modifier screens, for example, have been invaluable for elucidating signal-transduction pathways, whereas clonal screens now make it possible to screen for almost any phenotype in any cell at any stage of development.
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“Genetic modifier screens are commonly applied to identify genes that act in developmental or biochemical pathways in fruit flies, worms, and bacteria10; however, this approach is rare in the mouse11,12.”
From A suppressor screen in Mecp2 mutant mice implicates cholesterol metabolism in Rett syndrome (2013) · cites this paper as [10]
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“Studies in model organisms such as Drosophila have demonstrated the complex interplay of signaling molecules that underlie developmental events associated with the embryonic maturation of tissues and cell types (St Johnston, 2002).”
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Metadata
- Authors
- St Johnston, D.
- Venue
- Nature Reviews Genetics
- Published
- 2002-03
- Volume
- 3
- Issue
- 3
- Pages
- 176-188
- ISSN
- 1471-0056 (ISSN-L)
- 1471-0064
- OpenAlex
- W2027125425
- Cited by
- 644
- References
- 0
- Citations by year
- 2026: 7 · 2025: 17 · 2024: 26 · 2023: 23 · 2022: 25 · 2021: 28 · 2020: 40 · 2019: 33 · 2018: 38 · 2017: 29 · 2016: 30 · 2015: 40 · 2014: 41 · 2013: 32 · 2012: 36
- FWCI
- 1.76
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- www.springer.com/tdm (tdm)
- Locations
- Nature Reviews Genetics (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurobiology and Insect Physiology Research
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
- Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Diptera species taxonomy and behavior
- Keywords
- forward genetic screen, Drosophila melanogaster, modifier screen, embryonic patterning, signaling pathways
- MeSH terms
- Animals, Crosses, Genetic, Drosophila melanogaster, Enhancer Elements, Genetic, Eye, Female, Genetic Testing, Male, Phenotype, Gene Expression, Genes, Suppressor, Mutagenesis, Genes, Insect
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