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231224s2016 xx |||||o 00| ||eng c |
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|a 10.1111/nph.13941
|2 doi
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|a pubmed24n0863.xml
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|a (DE-627)NLM258913800
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|a (NLM)27027866
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Kirchenbauer, Daniel
|e verfasserin
|4 aut
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| 245 |
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|a Characterization of photomorphogenic responses and signaling cascades controlled by phytochrome-A expressed in different tissues
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|c 2016
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 31.01.2018
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a CommentIn: New Phytol. 2016 Jul;211(2):377-8. - PMID 27321047
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|a Citation Status MEDLINE
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|a © 2016 The Authors. New Phytologist © 2016 New Phytologist Trust.
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|a The photoreceptor phytochrome A acts as a light-dependent molecular switch and regulates responses initiated by very low fluences of light (VLFR) and high fluences (HIR) of far-red light. PhyA is expressed ubiquitously, but how phyA signaling is orchestrated to regulate photomorphogenesis is poorly understood. To address this issue, we generated transgenic Arabidopsis thaliana phyA-201 mutant lines expressing the biologically active phyA-YFP photoreceptor in different tissues, and analyzed the expression of several reporter genes, including ProHY5:HY5-GFP and Pro35S:CFP-PIF1, and various FR-HIR-dependent physiological responses. We show that phyA action in one tissue is critical and sufficient to regulate flowering time and root growth; control of cotyledon and hypocotyl growth requires simultaneous phyA activity in different tissues; and changes detected in the expression of reporters are not restricted to phyA-containing cells. We conclude that FR-HIR-controlled morphogenesis in Arabidopsis is mediated partly by tissue-specific and partly by intercellular signaling initiated by phyA. Intercellular signaling is critical for many FR-HIR induced responses, yet it appears that phyA modulates the abundance and activity of key regulatory transcription factors in a tissue-autonomous fashion
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Arabidopsis thaliana
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|a photomorphogenesis
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|a phytochrome A
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|a signaling
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|a tissue/cell specificity
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|a transcription
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|a Arabidopsis Proteins
|2 NLM
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|a PHYA protein, Arabidopsis
|2 NLM
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| 650 |
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|a Phytochrome A
|2 NLM
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| 650 |
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|a Recombinant Fusion Proteins
|2 NLM
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| 700 |
1 |
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|a Viczián, András
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ádám, Éva
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hegedűs, Zoltán
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Klose, Cornelia
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Leppert, Michael
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hiltbrunner, Andreas
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kircher, Stefan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Schäfer, Eberhard
|e verfasserin
|4 aut
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| 700 |
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|a Nagy, Ferenc
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 211(2016), 2 vom: 01. Juli, Seite 584-98
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:211
|g year:2016
|g number:2
|g day:01
|g month:07
|g pages:584-98
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|u http://dx.doi.org/10.1111/nph.13941
|3 Volltext
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