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Identification of an SCF ubiquitin-ligase complex required for auxin response in Arabidopsis thaliana

Open access
Gray, W. M., del Pozo, J. C., Walker, L., Hobbie, L., Risseeuw, E., Banks, T., Crosby, W. L., Yang, M., Ma, H., Estelle, M.·1999·Genes & Development

Abstract

The plant hormone auxin regulates diverse aspects of plant growth and development. We report that in Arabidopsis, auxin response is dependent on a ubiquitin-ligase (E3) complex called SCFTIR1. The complex consists of proteins related to yeast Skp1p and Cdc53p called ASK and AtCUL1, respectively, as well as the F-box protein TIR1. Mutations in either ASK1 or TIR1 result in decreased auxin response. Further, overexpression of TIR1 promotes auxin response suggesting that SCFTIR1 is limiting for the response. These results provide new support for a model in which auxin action depends on the regulated proteolysis of repressor proteins.

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Metadata

Authors
Gray, W. M., del Pozo, J. C., Walker, L., Hobbie, L., Risseeuw, E., Banks, T., Crosby, W. L., Yang, M., Ma, H., & Estelle, M.
Venue
Genes & Development
Published
1999-07-01
Volume
13
Issue
13
Pages
1678-1691
ISSN
0890-9369 (ISSN-L)
OpenAlex
W2103539812
Cited by
525
References
0
Type
posted content
Language
en
Open access
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CoChat. (2026). Citation check: Identification of an SCF ubiquitin-ligase complex required for auxin response in Arabidopsis thaliana. https://app.cochat.ai/papers/10.1101/gad.13.13.1678
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Gray, W. M., del Pozo, J. C., Walker, L., Hobbie, L., Risseeuw, E., Banks, T., Crosby, W. L., Yang, M., Ma, H., & Estelle, M. (1999). Identification of an SCF ubiquitin-ligase complex required for auxin response in Arabidopsis thaliana. Genes & Development. https://doi.org/10.1101/gad.13.13.1678

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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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