New Advances in Phytochromes

A special issue of Biomolecules (ISSN 2218-273X). This special issue belongs to the section "Molecular Biology".

Deadline for manuscript submissions: closed (30 June 2023) | Viewed by 4217

Special Issue Editors


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Guest Editor
Botanical Institute, Karlsruhe Institute of Technology, 76131 Karlsruhe, Germany
Interests: biliprotein; red and far-red light; fungi; bacteria; phytochrome; cyanobacteriochrome

E-Mail Website
Guest Editor
Botanical Institute, Karlsruhe Institute of Technology, 76131 Karlsruhe, Germany
Interests: phytochrome; photosynthesis; photoreceptors; crystallography; structural biology

Special Issue Information

Dear Colleagues,

We are pleased to invite you to write an article on advances in phytochrome research. A combination of multiple methods, such as physiology, mutant studies, molecular studies, cell biology, recombinant protein expression, biophysics, and evaluation of protein structure has contributed to the present knowledge around phytochrome action.

This Special Issue aims to bring together the newest results in phytochrome research from different phylogenetic groups.

In this Special Issue, original research articles and reviews are welcome. Research areas may include (but are not limited to) the following:

  • Action of fungal phytochromes;
  • Moss phytochromes;
  • Structure of plant phytochrome;
  • Structure of bacterial phytochromes and cyanobacteriochromes (protein conformational changes);
  • Old and new aspects of phytochrome signal transduction;
  • Ecological aspects of plant phytochromes;
  • Protein interaction, phytochrome;
  • Chromophores of phytochromes and cyanobacteriochromes, chromophore synthesis;
  • Phytochrome action at the plasma membrane in the nucleus and in the cytosole;
  • Infrared spectroscopy with phytochromes.
We look forward to receiving your contributions.

Prof. Dr. Tilman Lamparter
Dr. Norbert Krauß
Guest Editors

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Keywords

  • phytochrome
  • structure
  • signal
  • protein
  • phylogenetic group

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Published Papers (2 papers)

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Review

17 pages, 6743 KiB  
Review
Phytochrome-Interacting Proteins
by Gero Kaeser, Norbert Krauß, Clare Roughan, Luisa Sauthof, Patrick Scheerer and Tilman Lamparter
Biomolecules 2024, 14(1), 9; https://doi.org/10.3390/biom14010009 - 21 Dec 2023
Viewed by 1756
Abstract
Phytochromes are photoreceptors of plants, fungi, slime molds bacteria and heterokonts. These biliproteins sense red and far-red light and undergo light-induced changes between the two spectral forms, Pr and Pfr. Photoconversion triggered by light induces conformational changes in the bilin chromophore around the [...] Read more.
Phytochromes are photoreceptors of plants, fungi, slime molds bacteria and heterokonts. These biliproteins sense red and far-red light and undergo light-induced changes between the two spectral forms, Pr and Pfr. Photoconversion triggered by light induces conformational changes in the bilin chromophore around the ring C-D-connecting methine bridge and is followed by conformational changes in the protein. For plant phytochromes, multiple phytochrome interacting proteins that mediate signal transduction, nuclear translocation or protein degradation have been identified. Few interacting proteins are known as bacterial or fungal phytochromes. Here, we describe how the interacting partners were identified, what is known about the different interactions and in which context of signal transduction these interactions are to be seen. The three-dimensional arrangement of these interacting partners is not known. Using an artificial intelligence system-based modeling software, a few predicted and modulated examples of interactions of bacterial phytochromes with their interaction partners are interpreted. Full article
(This article belongs to the Special Issue New Advances in Phytochromes)
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31 pages, 5418 KiB  
Review
Vibrational Spectroscopy of Phytochromes
by Peter Hildebrandt
Biomolecules 2023, 13(6), 1007; https://doi.org/10.3390/biom13061007 - 17 Jun 2023
Cited by 3 | Viewed by 2056
Abstract
Phytochromes are biological photoswitches that translate light into physiological functions. Spectroscopic techniques are essential tools for molecular research into these photoreceptors. This review is directed at summarizing how resonance Raman and IR spectroscopy contributed to an understanding of the structure, dynamics, and reaction [...] Read more.
Phytochromes are biological photoswitches that translate light into physiological functions. Spectroscopic techniques are essential tools for molecular research into these photoreceptors. This review is directed at summarizing how resonance Raman and IR spectroscopy contributed to an understanding of the structure, dynamics, and reaction mechanism of phytochromes, outlining the substantial experimental and theoretical challenges and describing the strategies to master them. It is shown that the potential of the various vibrational spectroscopic techniques can be most efficiently exploited using integral approaches via a combination of theoretical methods as well as other experimental techniques. Full article
(This article belongs to the Special Issue New Advances in Phytochromes)
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