DOI: 10.1046/j.1365-313x.2000.00715.x. A new type of mutation in the plant photoreceptor phytochrome B causes loss of photoreversibility and an extremely enhanced light sensitivity

A new type of mutation in the plant photoreceptor phytochrome B causes loss of photoreversibility and an extremely enhanced light sensitivity

10.1046/j.1365-313x.2000.00715.x

Crossref journal-article

Wiley

The Plant Journal (311)

Abstract

SummaryPhotoreversibility, reversion of the inductive effect of a brief red light pulse by a subsequent far‐red light pulse, is a property of photoresponses regulated by the plant photoreceptor phytochrome B (phyB). We screened for mutants with impaired photoreversibility to gain better insight into the phyB‐specific signalling cascade. The phenotype of the mutant described is caused by a single amino acid exchange in a phyB subdomain that is highly conserved in all phytochromes but whose functional significance was unknown. The mutated phyB showed a slower dark reversion but no major alterations in its spectral properties. In addition to its loss of photoreversibility, the mutant also exhibited a hypersensitivity towards continuous red‐light irradiation and an altered phenotype of adult plants under short‐day conditions.

Bibliography

Kretsch, T., Poppe, C., & SchÃ¤fer, E. (2000). A new type of mutation in the plant photoreceptor phytochromeâB causes loss of photoreversibility and an extremely enhanced light sensitivity. The Plant Journal, 22(3), 177â186. Portico.

Authors 3

Thomas Kretsch (first)
Christoph Poppe (additional)
Eberhard Schäfer (additional)

References 0 Referenced 40

None

Dates

Type	When
Created	22 years, 5 months ago (March 12, 2003, 5 p.m.)
Deposited	1 year, 10 months ago (Sept. 27, 2023, 10:34 a.m.)
Indexed	2 months, 2 weeks ago (June 11, 2025, 9:46 a.m.)
Issued	25 years, 3 months ago (May 1, 2000)
Published	25 years, 3 months ago (May 1, 2000)
Published Online	23 years, 8 months ago (Dec. 25, 2001)
Published Print	25 years, 3 months ago (May 1, 2000)

Funders 0

None

BibTeX

@article{Kretsch_2000, title={A new type of mutation in the plant photoreceptor phytochrome B causes loss of photoreversibility and an extremely enhanced light sensitivity}, volume={22}, ISSN={1365-313X}, url={http://dx.doi.org/10.1046/j.1365-313x.2000.00715.x}, DOI={10.1046/j.1365-313x.2000.00715.x}, number={3}, journal={The Plant Journal}, publisher={Wiley}, author={Kretsch, Thomas and Poppe, Christoph and Schäfer, Eberhard}, year={2000}, month=may, pages={177–186} }

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