Document Detail

The phototropin family as photoreceptors for blue light-induced chloroplast relocation.
MedLine Citation:
PMID:  12605303     Owner:  NLM     Status:  MEDLINE    
Blue light-induced chloroplast accumulation and avoidance relocation movements are controlled by the blue light photoreceptor phototropin. The Arabidopsis thaliana genome has two phototropin genes encoding phot1 and phot2. Each of these photoreceptors contains two LOV (light oxygen and voltage) domains and a kinase domain. The LOV domains absorb blue light though an associated flavin mononucleotide chromophore, while the kinase domain is thought to be associated with signal transduction. The phototropins control not only chloroplast relocation movement, but also blue light-induced phototropic responses, leaf expansion and stomatal opening. Here I review the role of phototropin as a photoreceptor for chloroplast photorelocation movement.
Takatoshi Kagawa
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Review     Date:  2002-12-21
Journal Detail:
Title:  Journal of plant research     Volume:  116     ISSN:  0918-9440     ISO Abbreviation:  J. Plant Res.     Publication Date:  2003 Feb 
Date Detail:
Created Date:  2003-02-26     Completed Date:  2003-04-14     Revised Date:  2009-11-19    
Medline Journal Info:
Nlm Unique ID:  9887853     Medline TA:  J Plant Res     Country:  Japan    
Other Details:
Languages:  eng     Pagination:  77-82     Citation Subset:  IM    
Division of Biological Regulation and Photobiology, National Institute for Basic Biology, 38 Nishigonaka, Myoudaiji-cho, Okazaki 444-8585, Japan.
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MeSH Terms
Amino Acid Sequence
Biological Transport / physiology,  radiation effects
Chloroplasts / physiology,  radiation effects*
Drosophila Proteins*
Eye Proteins*
Flavoproteins / genetics,  metabolism,  physiology*
Molecular Sequence Data
Oxygen / metabolism
Photoreceptor Cells, Invertebrate*
Phototropism / physiology*
Phytochrome / metabolism
Protein-Serine-Threonine Kinases / metabolism
Receptors, G-Protein-Coupled
Sequence Homology, Amino Acid
Signal Transduction / physiology,  radiation effects
Reg. No./Substance:
0/Cryptochromes; 0/Drosophila Proteins; 0/Eye Proteins; 0/Flavoproteins; 0/Receptors, G-Protein-Coupled; 0/cryptochrome protein, Drosophila; 11121-56-5/Phytochrome; 7782-44-7/Oxygen; EC Kinases

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