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Use of lacZ fusions to delimit regulatory elements of the inducible divergent GAL1-GAL10 promoter in Saccharomyces cerevisiae.
Open accessAbstract
We present the DNA sequence of a 914-base pair fragment from Saccharomyces cerevisiae that contains the GAL1-GAL10 divergent promoter, 140 base pairs of GAL10 coding sequence, and 87 base pairs of GAL1 coding sequence. From this fragment, we constructed four pairs of GAL1-lacZ and GAL10-lacZ fusions on various types of yeast plasmid vectors. On each type of vector, the fused genes were induced by galactose and repressed by glucose. The response of a GAL1-lacZ fusion to gal4 and gal80 regulatory mutations was similar to the response of intact chromosomal GAL1 and GAL10 genes. A set of deletions that removed various portions of the GAL10 regulatory sequences from a GAL10-CYC1-lacZ fusion was constructed in vitro. These deletions defined a relatively guanine-cytosine-rich region of 45 base pairs that contained sequences necessary for full-strength galactose induction and an adjacent guanine-cytosine rich 55 base pairs that contained sequences sufficient for weak induction.
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Dynan, W. S., & Tjian, R. (1983) · Cell · doi:10.1016/0092-8674(83)90210-6 · Cited by 1,445
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Metadata
- Authors
- Yocum, R. R., Hanley, S., West, R., & Ptashne, M.
- Venue
- Molecular and Cellular Biology
- Publisher
- Informa UK Limited
- Published
- 1984-10
- Volume
- 4
- Issue
- 10
- Pages
- 1985-1998
- ISSN
- 0270-7306 (ISSN-L)
- 1098-5549
- OpenAlex
- W2129366913
- Cited by
- 308
- References
- 1
- FWCI
- 7.03
- Type
- journal article
- Language
- en
- Open access
- green
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- CoChat. (2026). Citation check: Use of lacZ fusions to delimit regulatory elements of the inducible divergent GAL1-GAL10 promoter in Saccharomyces cerevisiae. https://app.cochat.ai/papers/10.1128/mcb.4.10.1985
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- Yocum, R. R., Hanley, S., West, R., & Ptashne, M. (1984). Use of lacZ fusions to delimit regulatory elements of the inducible divergent GAL1-GAL10 promoter in Saccharomyces cerevisiae. Molecular and Cellular Biology. https://doi.org/10.1128/mcb.4.10.1985
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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