Document Detail


Cytoplasmic phytochrome action.
MedLine Citation:
PMID:  20576692     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Phytochrome photoperception is a common mechanism for the detection of red and far-red light in bacteria, cyanobacteria, fungi and plants. However, the responses following phytochrome activation appear to be quite diverse between species. Lower plants, such as mosses, show phytochrome-mediated directional responses, namely phototropism and polarotropism. These cannot be explained by nuclear gene regulation and are thought to be triggered by phytochromes in the cytoplasm or at the plasma membrane. In higher plants, similar directional responses are mediated via phototropin, a blue light receptor, with phytochromes mainly controlling morphogenetic responses through gene regulation. However, cytoplasmic phytochrome responses exist in higher plants too, which appear to be intertwined with directional blue light perception. By summarizing the respective findings, a possible conservation of cytoplasmic phytochrome function in higher and lower plants is addressed here.
Authors:
Jutta Rösler; Katharina Jaedicke; Mathias Zeidler
Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Review     Date:  2010-06-24
Journal Detail:
Title:  Plant & cell physiology     Volume:  51     ISSN:  1471-9053     ISO Abbreviation:  Plant Cell Physiol.     Publication Date:  2010 Aug 
Date Detail:
Created Date:  2010-08-13     Completed Date:  2010-11-23     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9430925     Medline TA:  Plant Cell Physiol     Country:  Japan    
Other Details:
Languages:  eng     Pagination:  1248-54     Citation Subset:  IM    
Affiliation:
Department of Plant Physiology, Justus-Liebig-University Giessen, Giessen, Germany.
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MeSH Terms
Descriptor/Qualifier:
Cytoplasm / metabolism*,  radiation effects
Light
Phototropism
Phytochrome / metabolism*,  radiation effects
Plant Physiological Phenomena*
Plants / metabolism*,  radiation effects
Chemical
Reg. No./Substance:
11121-56-5/Phytochrome

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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