Special Issue "Phytochrome A in Plants"
Deadline for manuscript submissions: 30 November 2023 | Viewed by 3015
Interests: photobiophysics; photobiochemistry; photobiology; light absoption; fluorescence; energy migration; photoreactons; photoreceptors; phytochromes; (bacterio) rhodopsins; photosynthetic pigments
The perception of and adaptation to environmental light conditions with the participation of the photoreceptor phytochrome — reversibly photoisomerizing biliprotein — remains one of the central problems in contemporary plant biology. In the last few decades, a system of phytochromes was discovered with the main phytochromes A and B (phyA and phyB), and the process of light stimulus acquisition, processing and realization was described in detail. phyA was shown to stand apart from phyB and minor phytochromes by its phenomenological properties and versatile functions; however, the molecular nature of its uniqueness is not yet fully understood. This Special Issue aims to collect recent advances in this area and present them along the following thematic lines:
- Physicochemical characterization of phyA—molecular structure, chromophore-apoprotein interactions, heterogeneity, photoreactions and photocycle and bacterial phytochromes as a model for phyA;
- phyA biosynthesis, post-translational modification and differentiation into distinct molecular types;
- Light signal transduction from phyA, interactions with partner proteins in the cytoplasm and in the nucleus;
- Realization of the light signal from phyA, regulation of morphogenesis, photosynthesis and photoperiodism, distinct modes of photoresponses, effects in the cytoplasm; functional interactions of phyA with the other plant photoreceptors and the hormonal system;
- The role of phyA in the evolution of higher plants and ecology;
- phyA in plant selection, artificial light agriculture, and design of fluorescent probes for medicine.
Works on phyA which are not covered by the above topics are certainly welcome.
Dr. Vitaly Sineshchekov
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- phytochrome A
- molecular structure and photocycle
- posttranslational modification
- heterogeneity signal transduction
- plant growth and development
- interaction with hormonal system