Research Topics
Species | A TerakitaSummaryAffiliation: Kyoto University Country: Japan Publications
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Detail Information
Publications
Cephalochordate melanopsin: evolutionary linkage between invertebrate visual cells and vertebrate photosensitive retinal ganglion cellsMitsumasa Koyanagi
Department of Biophysics, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
Curr Biol 15:1065-9. 2005..The cephalochordate rhabdomeric photoreceptor represents an evolutionary link between the invertebrate visual photoreceptor and the vertebrate circadian photoreceptor...- Light-regulated localization of the beta-subunit of Gq-type G-protein in the crayfish photoreceptorsA Terakita
Insitute of Biology, Oita University, Japan
J Comp Physiol A 183:411-7. 1998.... 
The opsinsAkihisa Terakita
Department of Biophysics, Graduate School of Science, Kyoto University and Core Research for Evolutional Science and Technology CREST, Japan Science and Technology Agency, Kyoto 606 8502, Japan
Genome Biol 6:213. 2005....- Highly conserved glutamic acid in the extracellular IV-V loop in rhodopsins acts as the counterion in retinochrome, a member of the rhodopsin familyA Terakita
Department of Biophysics, Graduate School of Science, Kyoto University and Core Research for Evolutional Science and Technology CREST, Japan Science and Technology Corporation, Kyoto 606 8502, Japan
Proc Natl Acad Sci U S A 97:14263-7. 2000..Because the position at 181 is in the extracellular loop connecting the transmembrane helices VI and V, these results demonstrate the importance of this loop to function for spectral tuning in the rhodopsin family... - Difference in molecular structure of rod and cone visual pigments studied by Fourier transform infrared spectroscopyH Imai
Department of Biophysics, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
Biochemistry 40:2879-86. 2001..Some of these changes appear to be the pathway from the chromophore to cytoplasmic surface of the pigment and thus could affect the activation process of transducin... - The second cytoplasmic loop of metabotropic glutamate receptor functions at the third loop position of rhodopsinT Yamashita
Department of Biophysics, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
J Biochem 130:149-55. 2001..These results strongly suggest that the molecular architectures of rhodopsin and mGluR are different, although the G protein activation mechanism involving the cytoplasmic loops is common... 
Identification and characterization of a protostome homologue of peropsin from a jumping spiderTakashi Nagata
Department of Biology and Geosciences, Graduate School of Science, Osaka City University, Sumiyoshi ku, Osaka 558 8585, Japan
J Comp Physiol A Neuroethol Sens Neural Behav Physiol 196:51-9. 2010..These findings provide the first demonstration that the peropsin can form a photosensitive pigment in vivo and underlie non-visual function...- Jellyfish vision starts with cAMP signaling mediated by opsin-G(s) cascadeMitsumasa Koyanagi
Department of Biology and Geosciences, Graduate School of Science, Osaka City University, 3 3 138 Sugimoto cho, Sumiyoshi ku, Osaka 558 8585, Japan
Proc Natl Acad Sci U S A 105:15576-80. 2008..These similarities imply a monophyletic origin of ciliary phototransduction cascades distributed from prebilaterian to vertebrate... - Two isoforms of chicken melanopsins show blue light sensitivityMasaki Torii
Department of Biophysics and Biochemistry, Graduate School of Science, The University of Tokyo, 7 3 1 Hongo, Bunkyo ku, Tokyo 113 0033, Japan
FEBS Lett 581:5327-31. 2007..The melanopsin isoforms found in this study may function as pineal circadian photoreceptors... - A pivot between helices V and VI near the retinal-binding site is necessary for activation in rhodopsinsHisao Tsukamoto
Department of Biophysics, Graduate School of Science, Kyoto University, Kyoto 606 8502, Japan
J Biol Chem 285:7351-7. 2010.... - The magnitude of the light-induced conformational change in different rhodopsins correlates with their ability to activate G proteinsHisao Tsukamoto
Department of Biology and Geosciences, Graduate School of Science, Osaka City University, Osaka 558 8585, Japan
J Biol Chem 284:20676-83. 2009..The different amplitude of the helix movement may also be responsible for functional diversity of G protein-coupled receptors... - Counterion displacement in the molecular evolution of the rhodopsin familyAkihisa Terakita
Department of Biophysics, Graduate School of Science, Kyoto University, and Core Research for Evolutional Science and Technology, Japan Science and Technology Agency, Kyoto 606-8502, Japan
Nat Struct Mol Biol 11:284-9. 2004..Thus an ancestral vertebrate rhodopsin probably acquired the Glu113 counterion, followed by structural optimization for efficient G protein activation during molecular evolution... - Origin of the vertebrate visual cycle: genes encoding retinal photoisomerase and two putative visual cycle proteins are expressed in whole brain of a primitive chordateYuki Nakashima
Department of Life Science, Graduate School of Science, Himeji Institute of Technology, Hyogo 678 1297, Japan
J Comp Neurol 460:180-90. 2003..The present data suggest that isomerization of all-trans-retinoid to 11-cis-retinoid occurs in the brain vesicle and visceral ganglion of a primitive chordate... - A novel constitutively active mutation in the second cytoplasmic loop of metabotropic glutamate receptorTakahiro Yamashita
Department of Biophysics, Graduate School of Science, Kyoto University and Core Research for Evolutional Science and Technology (CREST, Japan Science and Technology Corporation, Kyoto, Japan
J Neurochem 91:484-92. 2004.... - Functional interaction between bovine rhodopsin and G protein transducinAkihisa Terakita
Department of Biophysics, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
J Biol Chem 277:40-6. 2002..These results suggest that the binding of loop 3 of bovine rhodopsin to region A in Galpha(t) is one of the mechanisms of specific G(t) activation by bovine rhodopsin... - Amphioxus homologs of Go-coupled rhodopsin and peropsin having 11-cis- and all-trans-retinals as their chromophoresMitsumasa Koyanagi
Department of Biophysics, Graduate School of Science, Kyoto University, 606-8502, Kyoto, Japan
FEBS Lett 531:525-8. 2002..The results strongly suggest that the physiological function of peropsin would be a retinal photoisomerase, while 11-cis configuration is necessary for the Go-coupled opsin groups... - Conformational change of the transmembrane helices II and IV of metabotropic glutamate receptor involved in G protein activationTakahiro Yamashita
Department of Biophysics, Graduate School of Science, Kyoto University, Kyoto, Japan
J Neurochem 106:850-9. 2008..These results provided the model that the conformational changes at the cytoplasmic ends of helices II and IV of mGluR are involved in the efficient G protein coupling... - Expression and comparative characterization of Gq-coupled invertebrate visual pigments and melanopsinAkihisa Terakita
Department of Biophysics, Graduate School of Science, Kyoto University, Kyoto, Japan
J Neurochem 105:883-90. 2008..Our findings are also important in that this is the first report describes a heterologous large-scale expression of the Gq-coupled invertebrate visual pigments in cultured cells... - Conserved proline residue at position 189 in cone visual pigments as a determinant of molecular properties different from rhodopsinsShigeki Kuwayama
Department of Biophysics, Graduate School of Science, Kyoto University, and Core Research for Evolutional Science and Technology (CREST, Japan Science and Technology Corporation, Kyoto 606-8502, Japan
Biochemistry 41:15245-52. 2002..The completely conserved nature of proline at position 189 could provide a clue to the molecular evolution of the pigments... - A rhodopsin exhibiting binding ability to agonist all-trans-retinalHisao Tsukamoto
Department of Biophysics, Graduate School of Science, Kyoto University and Core Research for Evolutional Science and Technology, Japan Science and Technology Agency, Kyoto 606-8502, Japan
Proc Natl Acad Sci U S A 102:6303-8. 2005..In addition, an additional mechanism was acquired in vertebrate rhodopsin to prevent completely the binding of exogenous all-trans-retinal during molecular evolution... - Gq-coupled rhodopsin subfamily composed of invertebrate visual pigment and melanopsinMitsumasa Koyanagi
Department of Biology and Geosciences, Graduate School of Sciences, Osaka City University, Sumiyoshi ku, Osaka, Japan
Photochem Photobiol 84:1024-30. 2008..Research into the Gq-coupled rhodopsin subfamily, especially invertebrate melanopsins, will provide an opportunity to investigate the evolution of various physiologic functions, based on orthologous genes, during animal evolution... - Immunohistochemical characterization of a parapinopsin-containing photoreceptor cell involved in the ultraviolet/green discrimination in the pineal organ of the river lamprey Lethenteron japonicumEmi Kawano Yamashita
Graduate School of Humanities and Sciences, Nara Women s University, Nara, Japan
J Exp Biol 210:3821-9. 2007.... - [Structure-function relationship in G protein-coupled receptors deduced from crystal structure of rhodopsin]Tetsuji Okada
Tanpakushitsu Kakusan Koso 47:1123-30. 2002 - Parietal-eye phototransduction components and their potential evolutionary implicationsChih Ying Su
Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
Science 311:1617-21. 2006..Gustducin-alpha resembles transducin-alpha functionally and likely mediates the hyperpolarizing response. The parietopsin-Go signaling pair provides clues about how rod and cone phototransduction might have evolved...