The DOI matches its Crossref record; 51 of the 51 references it cites were found in a registry or an index.
A Myb-related transcription factor is involved in the phytochrome regulation of an Arabidopsis Lhcb gene.
Open accessAbstract
We have isolated the gene for a protein designated CCA1. This protein can bind to a region of the promoter of an Arabidopsis light-harvesting chlorophyll a/b protein gene, Lhcb1*3, which is necessary for its regulation by phytochrome. The CCA1 protein interacted with two imperfect repeats in the Lhcb1*3 promoter, AAA/cAATCT, a sequence that is conserved in Lhcb genes. A region near the N terminus of CCA1, which has some homology to the repeated sequence found in the DNA binding domain of Myb proteins, is required for binding to the Lhcb1*3 promoter. Lines of transgenic Arabidopsis plants expressing antisense RNA for CCA1 showed reduced phytochrome induction of the endogenous Lhcb1*3 gene, whereas expression of another phytochrome-regulated gene, rbcS-1A, which encodes the small subunit of ribulose-1,5-bisphosphate carboxylase/oxygenase, was not affected. Thus, the CCA1 protein acts as a specific activator of Lhcb1*3 transcription in response to brief red illumination. The expression of CCA1 RNA was itself transiently increased when etiolated seedlings were transferred to light. We conclude that the CCA1 protein is a key element in the functioning of the phytochrome signal transduction pathway leading to increased transcription of this Lhcb gene in Arabidopsis.
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Metadata
- Authors
- Wang, Z. Y., Kenigsbuch, D., Sun, L., Harel, E., Ong, M. S., & Tobin, E. M.
- Venue
- The Plant Cell
- Publisher
- Oxford University Press (OUP)
- Published
- 1997-04
- Volume
- 9
- Issue
- 4
- Pages
- 491-507
- ISSN
- 1040-4651 (ISSN-L)
- 1532-298X
- OpenAlex
- W2119952888
- Cited by
- 435
- References
- 51
- FWCI
- 31.59
- Type
- journal article
- Language
- en
- Open access
- green
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- Wang, Z. Y., Kenigsbuch, D., Sun, L., Harel, E., Ong, M. S., & Tobin, E. M. (1997). A Myb-related transcription factor is involved in the phytochrome regulation of an Arabidopsis Lhcb gene. The Plant Cell. https://doi.org/10.1105/tpc.9.4.491
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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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