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The Arabidopsis SUCROSE UNCOUPLED‐6 gene is identical to ABSCISIC ACID INSENSITIVE‐4: involvement of abscisic acid in sugar responses
Abstract
Summary: In plants, sugars act as signalling molecules that control many aspects of metabolism and development. Arabidopsis plants homozygous for the recessive sucrose uncoupled‐6 (sun6) mutation show a reduced sensitivity to sugars for processes such as photosynthesis, gene expression and germination. The sun6 mutant is insensitive to sugars that are substrates for hexokinase, suggesting that SUN6 might play a role in hexokinase‐dependent sugar responses. The SUN6 gene was cloned by transposon tagging and analysis showed it to be identical to the previously described ABSCISIC ACID INSENSITIVE‐4 (ABI4) gene. Our analysis suggests the involvement of abscisic acid and components of the abscisic acid signal transduction cascade in a hexokinase‐dependent sugar response pathway. During the plant life cycle, SUN6/ABI4 may be involved in controlling metabolite availability in an abscisic acid‐ and sugar‐dependent way.
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Citations
Cited by
Genome-Wide Analysis of the ERF Gene Family in Arabidopsis and Rice
Nakano, T., Suzuki, K., Fujimura, T., & Shinshi, H. (2006) · Plant Physiology · doi:10.1104/pp.105.073783 · Cited by 2,288
Abscisic Acid Synthesis and Response
Finkelstein, R. (2013) · The Arabidopsis Book · doi:10.1199/tab.0166 · Cited by 1,154
Plant hormone interactions during seed dormancy release and germination
Kucera, B., Cohn, M. A., & Leubner-Metzger, G. (2005) · Seed Science Research · doi:10.1079/ssr2005218 · Cited by 1,119
Cheng, W.-H., Endo, A., Zhou, L., Penney, J., Chen, H.-C., Arroyo, A., Leon, P., Nambara, E., Asami, T., Seo, M., et al. (2002) · The Plant Cell · doi:10.1105/tpc.006494 · Cited by 871
Bentsink, L., & Koornneef, M. (2008) · The Arabidopsis Book · doi:10.1199/tab.0119 · Cited by 422
Metadata
- Authors
- Huijser, C., Kortstee, A., Pego, J., Weisbeek, P., Wisman, E., & Smeekens, S.
- Venue
- The Plant Journal
- Publisher
- Wiley
- Published
- 2000-09
- Volume
- 23
- Issue
- 5
- Pages
- 577-585
- ISSN
- 0960-7412 (ISSN-L)
- 1365-313X
- OpenAlex
- W2088542735
- Cited by
- 244
- References
- 0
- FWCI
- 34.87
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: The Arabidopsis SUCROSE UNCOUPLED‐6 gene is identical to ABSCISIC ACID INSENSITIVE‐4: involvement of abscisic acid in sugar responses. https://app.cochat.ai/papers/10.1046/j.1365-313x.2000.00822.x
- The paper
- Huijser, C., Kortstee, A., Pego, J., Weisbeek, P., Wisman, E., & Smeekens, S. (2000). The Arabidopsis SUCROSE UNCOUPLED‐6 gene is identical to ABSCISIC ACID INSENSITIVE‐4: involvement of abscisic acid in sugar responses. The Plant Journal. https://doi.org/10.1046/j.1365-313x.2000.00822.x
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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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