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Metabolic repression of transcription in higher plants.
Open accessAbstract
Using freshly isolated maize mesophyll protoplasts and a transient expression method, I showed that the transcriptional activity of seven maize photosynthetic gene promoters is specifically and coordinately repressed by the photosynthetic end products sucrose and glucose and by the exogenous carbon source acetate. Analysis of deleted, mutated, and hybrid promoters showed that sugars and acetate inhibit the activity of distinct positive upstream regulatory elements without a common consensus. The metabolic repression of photosynthetic genes overrides other forms of regulation, e.g., light, tissue type, and developmental stage. Repression by sugars and repression by acetate are mediated by different mechanisms. The identification of conditions that avoid sugar repression overcomes a major obstacle to the study of photosynthetic gene regulation in higher plants.
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Citations
Cited by
SUGAR SENSING AND SIGNALING IN PLANTS: Conserved and Novel Mechanisms
Rolland, F., Baena-Gonzalez, E., & Sheen, J. (2006) · Annual Review of Plant Biology · doi:10.1146/annurev.arplant.57.032905.105441 · Cited by 2,328
Self-citationCARBOHYDRATE-MODULATED GENE EXPRESSION IN PLANTS
Koch, K. E. (1996) · Annual Review of Plant Physiology and Plant Molecular Biology · doi:10.1146/annurev.arplant.47.1.509 · Cited by 1,766
RISING ATMOSPHERIC CARBON DIOXIDE: Plants FACE the Future
Long, S. P., Ainsworth, E. A., Rogers, A., & Ort, D. R. (2004) · Annual Review of Plant Biology · doi:10.1146/annurev.arplant.55.031903.141610 · Cited by 1,715
The biochemical and molecular basis for photosynthetic acclimation to elevated atmospheric CO2
MOORE, B. D., CHENG, S. ‐., SIMS, D., & SEEMANN, J. R. (1999) · Plant, Cell & Environment · doi:10.1046/j.1365-3040.1999.00432.x · Cited by 458
Sucrose is a signal molecule in assimilate partitioning
Chiou, T.-J., & Bush, D. R. (1998) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.95.8.4784 · Cited by 441
Metadata
- Authors
- Sheen, J.
- Venue
- The Plant Cell
- Publisher
- Oxford University Press (OUP)
- Published
- 1990-10
- Volume
- 2
- Issue
- 10
- Pages
- 1027-1038
- ISSN
- 1040-4651 (ISSN-L)
- 1532-298X
- OpenAlex
- W2118282581
- Cited by
- 720
- References
- 0
- FWCI
- 8.51
- Type
- journal article
- Language
- en
- Open access
- green
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- Sheen, J. (1990). Metabolic repression of transcription in higher plants. The Plant Cell. https://doi.org/10.1105/tpc.2.10.1027
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