DOI: 10.1073/pnas.161300998. Multiple transcription-factor genes are early targets of phytochrome A signaling

Multiple transcription-factor genes are early targets of phytochrome A signaling

10.1073/pnas.161300998

Crossref journal-article

Proceedings of the National Academy of Sciences

Proceedings of the National Academy of Sciences (341)

Abstract

The phytochrome family of sensory photoreceptors directs adaptational changes in gene expression in response to environmental light signals. Using oligonucleotide microarrays to measure expression profiles in wild-type and phytochrome A (phyA) null-mutant Arabidopsis seedlings, we have shown that 10% of the genes represented on the array are regulated by phyA in response to a continuous far-red light signal. Strikingly, 44% of the genes responding to the signal within 1 h are predicted to encode multiple classes of transcriptional regulators. Together with previous data, this observation suggests that phyA may regulate seedling photomorphogenesis by direct targeting of light signals to the promoters of genes encoding a master set of diverse transcriptional regulators, responsible in turn for orchestrating the expression of multiple downstream target genes in various branches of a phyA-regulated transcriptional network.

Bibliography

Tepperman, J. M., Zhu, T., Chang, H.-S., Wang, X., & Quail, P. H. (2001). Multiple transcription-factor genes are early targets of phytochrome A signaling. Proceedings of the National Academy of Sciences, 98(16), 9437â9442.

Authors 5

James M. Tepperman (first)
Tong Zhu (additional)
Hur-Song Chang (additional)
Xun Wang (additional)
Peter H. Quail (additional)

References 38 Referenced 364

Dates

Type	When
Created	23 years, 1 month ago (July 26, 2002, 10:34 a.m.)
Deposited	3 years, 4 months ago (April 13, 2022, 1:36 a.m.)
Indexed	4 weeks ago (Aug. 7, 2025, 4:51 a.m.)
Issued	24 years, 1 month ago (July 31, 2001)
Published	24 years, 1 month ago (July 31, 2001)
Published Online	24 years, 1 month ago (July 31, 2001)
Published Print	24 years, 1 month ago (July 31, 2001)

Funders 0

None

BibTeX

@article{Tepperman_2001, title={Multiple transcription-factor genes are early targets of phytochrome A signaling}, volume={98}, ISSN={1091-6490}, url={http://dx.doi.org/10.1073/pnas.161300998}, DOI={10.1073/pnas.161300998}, number={16}, journal={Proceedings of the National Academy of Sciences}, publisher={Proceedings of the National Academy of Sciences}, author={Tepperman, James M. and Zhu, Tong and Chang, Hur-Song and Wang, Xun and Quail, Peter H.}, year={2001}, month=jul, pages={9437–9442} }

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  "abstract": "<jats:p>\n            The phytochrome family of sensory photoreceptors directs adaptational changes in gene expression in response to environmental light signals. Using oligonucleotide microarrays to measure expression profiles in wild-type and phytochrome A (phyA) null-mutant\n            <jats:italic>Arabidopsis</jats:italic>\n            seedlings, we have shown that 10% of the genes represented on the array are regulated by phyA in response to a continuous far-red light signal. Strikingly, 44% of the genes responding to the signal within 1 h are predicted to encode multiple classes of transcriptional regulators. Together with previous data, this observation suggests that phyA may regulate seedling photomorphogenesis by direct targeting of light signals to the promoters of genes encoding a master set of diverse transcriptional regulators, responsible in turn for orchestrating the expression of multiple downstream target genes in various branches of a phyA-regulated transcriptional network.\n          </jats:p>",
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