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  Characterization of Phytochrome Interacting Factors from the Moss Physcomitrella patens Illustrates Conservation of Phytochrome Signaling Modules in Land Plants

Possart, A., Xu, T., Paik, I., Hanke, S., Keim, S., Hermann, H.-M., et al. (2017). Characterization of Phytochrome Interacting Factors from the Moss Physcomitrella patens Illustrates Conservation of Phytochrome Signaling Modules in Land Plants. Plant Cell, 29(2), 310-330. doi:10.1105/tpc.16.00388.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0002-04ED-F Version Permalink: https://hdl.handle.net/21.11116/0000-0002-04EE-E
Genre: Journal Article

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http://www.plantcell.org/content/29/2/310 (Publisher version)
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 Creators:
Possart, Anja1, 2, Author
Xu, Tengfei2, Author
Paik, Inyup3, Author
Hanke, Sebastian4, Author
Keim, Sarah1, Author
Hermann, Helen-Maria1, Author
Wolf, Luise4, Author
Hiss, Manuel4, Author
Becker, Claude5, Author
Huq, Enamul3, Author
Rensing, Stefan A.4, 6, Author
Hiltbrunner, Andreas2, 6, Author
Affiliations:
1Center for Plant Molecular Biology, University of Tübingen, ou_persistent22              
2Faculty of Biology, University of Freiburg, ou_persistent22              
3Department of Molecular Biosciences and The Institute for Cellular and Molecular Biology, University of Texas, Austin, ou_persistent22              
4Faculty of Biology, University of Marburg, ou_persistent22              
5Max Planck Institute for Developmental Biology, Max Planck Society, Max-Planck-Ring 5, 72076 Tübingen, DE, ou_2421691              
6BIOSS Centre for Biological Signalling Studies, University of Freiburg, ou_persistent22              

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Free keywords: FAR-RED LIGHT; MULTIPLE SEQUENCE ALIGNMENT; BHLH TRANSCRIPTION FACTORS; ADIANTUM-CAPILLUS-VENERIS; ARABIDOPSIS-THALIANA; GENE-EXPRESSION; FUNCTIONAL-CHARACTERIZATION; PHYSIOLOGICAL-RESPONSES; NEGATIVE REGULATOR; CELL ELONGATION
 Abstract: Across the plant kingdom, phytochrome (PHY) photoreceptors play an important role during adaptive and developmental responses to light. In Arabidopsis thaliana, light-activated PHYs accumulate in the nucleus, where they regulate downstream signaling components, such as phytochrome interacting factors (PIFs). PIFs are transcription factors that act as repressors of photomorphogenesis; their inhibition by PHYs leads to substantial changes in gene expression. The nuclear function of PHYs, however, has so far been investigated in only a few non-seed plants. Here, we identified putative target genes of PHY signaling in the moss Physcomitrella patens and found light-regulated genes that are putative orthologs of PIF-controlled genes in Arabidopsis. Phylogenetic analyses revealed that an ancestral PIF-like gene was already present in streptophyte algae, i.e., before the water-to-land transition of plants. The PIF homologs in the genome of P. patens resemble Arabidopsis PIFs in their protein domain structure, molecular properties, and physiological effects, albeit with notable differences in the motif-dependent PHY interaction. Our results suggest that P. patens PIFs are involved in PHY signaling. The PHY-PIF signaling node that relays light signals to target genes has been largely conserved during land plant evolution, with evidence of lineage-specific diversification.

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Language(s): eng - English
 Dates: 2017
 Publication Status: Issued
 Pages: 21
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: ISI: 000397251300011
DOI: 10.1105/tpc.16.00388
 Degree: -

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Title: Plant Cell
Source Genre: Journal
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Publ. Info: Rockville, MD : American Society of Plant Physiologists
Pages: - Volume / Issue: 29 (2) Sequence Number: - Start / End Page: 310 - 330 Identifier: ISSN: 1040-4651
CoNE: https://pure.mpg.de/cone/journals/resource/954925588345