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Cited by 325

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Interaction of the Response Regulator ARR4 with Phytochrome B in Modulating Red Light Signaling

Sweere, Uta, Eichenberg, Klaus, Lohrmann, Jens, Mira-Rodado, Virtudes, Bäurle, Isabel, Kudla, Jörg, Nagy, Ferenc, Schäfer, Eberhard, Harter, Klaus·2001·Science

Abstract

The Arabidopsis thaliana response regulator 4, expressed in response to phytochrome B action, specifically interacts with the extreme amino-terminus of the photoreceptor. The response regulator 4 stabilizes the active Pfr form of phytochrome B in yeast and in planta, thus elevates the level of the active photoreceptor in vivo. Accordingly, transgenic Arabidopsis plants overexpressing the response regulator 4 display hypersensitivity to red light but not to light of other wavelengths. We propose that the response regulator 4 acts as an output element of a two-component system that modulates red light signaling on the level of the phytochrome B photoreceptor.

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Metadata

Authors
Sweere, U., Eichenberg, K., Lohrmann, J., Mira-Rodado, V., Bäurle, I., Kudla, J., Nagy, F., Schäfer, E., & Harter, K.
Venue
Science
Published
2001-11-02
Volume
294
Issue
5544
Pages
1108-1111
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W1990308563
Cited by
325
References
0
FWCI
22.07
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Interaction of the Response Regulator ARR4 with Phytochrome B in Modulating Red Light Signaling. https://app.cochat.ai/papers/10.1126/science.1065022
The paper
Sweere, U., Eichenberg, K., Lohrmann, J., Mira-Rodado, V., Bäurle, I., Kudla, J., Nagy, F., Schäfer, E., & Harter, K. (2001). Interaction of the Response Regulator ARR4 with Phytochrome B in Modulating Red Light Signaling. Science. https://doi.org/10.1126/science.1065022

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.