Research Topics
Species | Ryouichi TanakaSummaryAffiliation: Hokkaido University Country: Japan Publications
| Collaborators
|
Detail Information
Publications
The Arabidopsis-accelerated cell death gene ACD1 is involved in oxygenation of pheophorbide a: inhibition of the pheophorbide a oxygenase activity does not lead to the "stay-green" phenotype in ArabidopsisRyouichi Tanaka
Institute of Low Temperature Science, Hokkaido University, and Core Research of Science and Technology CREST, Japan Science and Technology Corporation JST, Kita ku, N19 W8, Sapporo, 060 0819 Japan
Plant Cell Physiol 44:1266-74. 2003..These results demonstrated that ACD1 is involved in PaO activity, and its inhibition led to photooxidative destruction of the cell instead of the "stay-green" phenotype...- Tetrapyrrole biosynthesis in higher plantsRyouichi Tanaka
Institute of Low Temperature Science, Hokkaido University, N19 W8 Kita ku, Sapporo 060 0819, Japan
Annu Rev Plant Biol 58:321-46. 2007..Finally, we present several reports on attempts for agricultural and horticultural applications in which the tetrapyrrole biosynthesis pathway was genetically modified... 
LIL3, a light-harvesting-like protein, plays an essential role in chlorophyll and tocopherol biosynthesisRyouichi Tanaka
Institute of Low Temperature Science, Hokkaido University, Sapporo 060 0819, Japan
Proc Natl Acad Sci U S A 107:16721-5. 2010..We propose that LIL3 is functionally involved in chlorophyll and tocopherol biosynthesis by stabilizing geranylgeranyl reductase...- Effects of chlorophyllide a oxygenase overexpression on light acclimation in Arabidopsis thalianaRyouichi Tanaka
Institute of Low Temperature Science, CREST, Hokkaido University, Japan Science and Technology Corporation, N19 W8, 060 0819 Sapporo, Kita ku, Japan
Photosynth Res 85:327-40. 2005..These results imply that the transcriptional control of CAO is a part of the regulatory mechanism for the accumulation of a distinct set of LHC proteins upon light acclimation... 
Chlorophyll cycle regulates the construction and destruction of the light-harvesting complexesRyouichi Tanaka
Institute of Low Temperature Science, Hokkaido University, N19 W8 Kita ku, Sapporo, 060 0819, Japan
Biochim Biophys Acta 1807:968-76. 2011..This article is part of a Special Issue entitled: Regulation of Electron Transport in Chloroplasts...- Loss of the N-terminal domain of chlorophyllide a oxygenase induces photodamage during greening of Arabidopsis seedlingsAkihiro Yamasato
Institute of Low Temperature Science, Hokkaido University, Sapporo 060 0819, Japan
BMC Plant Biol 8:64. 2008..CAO consists of three domains, which are sequentially named from the N terminus as the A, B and C domains. The A domain of CAO participates in the regulation of the CAO protein stability... - Overproduction of chl B retards senescence through transcriptional reprogramming in ArabidopsisYasuhito Sakuraba
Institute of Low Temperature Science, Hokkaido University, N19 W8, Kita ku, Sapporo, 060 0819 Japan
Plant Cell Physiol 53:505-17. 2012..These results demonstrate that alteration of pigment composition in the photosynthetic apparatus retards senescence through transcriptional reprogramming... - Functional analysis of N-terminal domains of Arabidopsis chlorophyllide a oxygenaseYasuhito Sakuraba
Institute of Low Temperature Science, Hokkaido University, N19 W8, Sapporo, 060 0819, Japan
Plant Physiol Biochem 45:740-9. 2007..These results indicate that the B domain is not involved in the regulation of the CAO protein levels. Taken together, we concluded that the A domain alone is involved in the regulatory mechanism of the CAO protein levels... - Determination of a chloroplast degron in the regulatory domain of chlorophyllide a oxygenaseYasuhito Sakuraba
Institute of Low Temperature Science, Hokkaido University, N19 W8 Kita ku, Sapporo 060 0819, Japan
J Biol Chem 284:36689-99. 2009..These results suggest that this sequence serves as a degradation signal that is recognized by proteases functioning in the chloroplast... - Pigment shuffling in antenna systems achieved by expressing prokaryotic chlorophyllide a oxygenase in ArabidopsisMasumi Hirashima
Institute of Low Temperature Science, Hokkaido University, Kita ku, N19 W8, Sapporo 060 0819, Japan
J Biol Chem 281:15385-93. 2006..These data also suggest that strict organizations of chlorophyll molecules are not essential for photosynthesis under low light conditions... - Clp protease controls chlorophyll b synthesis by regulating the level of chlorophyllide a oxygenaseEiki Nakagawara
Institute of Low Temperature Science, Hokkaido University, N19 W8 Kita ku, Sapporo, Japan
Plant J 49:800-9. 2007.... - Chlorophyll b reductase plays an essential role in maturation and storability of Arabidopsis seedsSaori Nakajima
Institute of Low Temperature Science, Hokkaido University, Kita ku, Sapporo 060 0819, Japan
Plant Physiol 160:261-73. 2012..Furthermore, NYC1 expression was repressed in the ABA-insensitive mutants during embryogenesis. These data indicate that chlorophyll degradation is induced by ABA during seed maturation to produce storable seeds... - Characterization of Arabidopsis mutants defective in the regulation of chlorophyllide a oxygenaseSatoshi Kanematsu
Institute of Low Temperature Science, Hokkaido University, N19 W8, Kita ku, Sapporo, 060 0819, Japan
Photochem Photobiol Sci 7:1196-205. 2008..Based on these analyses, we proposed a model to describe the regulatory mechanism of CAO... - Deregulated chlorophyll b synthesis reduces the energy transfer rate between photosynthetic pigments and induces photodamage in Arabidopsis thalianaYasuhito Sakuraba
Institute of Low Temperature Science, Hokkaido University, N19 W8, Kita ku, Sapporo, 060 0819 Japan
Plant Cell Physiol 51:1055-65. 2010..The importance of the regulation of Chl b synthesis is discussed in relation to the correct localization of Chl b and gene expression... - Light-independent cell death induced by accumulation of pheophorbide a in Arabidopsis thalianaMasumi Hirashima
Institute of Low Temperatue Science, Hokkaido University, N19 W8, Kita ku, Sapporo 060 0819, Japan
Plant Cell Physiol 50:719-29. 2009..We discuss the possible mechanism of light-independent cell death and the involvement of pheophorbide a in the signaling pathway for programmed cell death... - The oligomeric states of the photosystems and the light-harvesting complexes in the Chl b-less mutantAtsushi Takabayashi
Institute of Low Temperature Science, Hokkaido University, N19 W8 Kita ku, Sapporo, 060 0819 Japan
Plant Cell Physiol 52:2103-14. 2011..These findings increase our understanding of the Chl b function in the assembly of LHCs and the association of the LHCs with PSI, PSII and NDH... - The N-terminal domain of chlorophyllide a oxygenase confers protein instability in response to chlorophyll B accumulation in ArabidopsisAkihiro Yamasato
Institute of Low Temperature Science, Hokkaido University, Sapporo 060 0819, Japan
Plant Cell 17:1585-97. 2005..These results indicate that the A domain may sense the presence of chlorophyll b and regulate the accumulation of CAO protein in the chloroplasts... - Identification of the 7-hydroxymethyl chlorophyll a reductase of the chlorophyll cycle in ArabidopsisMiki Meguro
Institute of Low Temperature Science, Hokkaido University, Sapporo 060 0819, Japan
Plant Cell 23:3442-53. 2011..The downregulation of pheophorbide a oxygenase activity is discussed in relation to 7-hydroxymethyl chlorophyll a accumulation... - Identification of a vinyl reductase gene for chlorophyll synthesis in Arabidopsis thaliana and implications for the evolution of Prochlorococcus speciesNozomi Nagata
Institute of Low Temperature Science, Hokkaido University, 060 0819 Japan
Plant Cell 17:233-40. 2005..marinus but found in the Synechococcus sp WH8102 genome, which is consistent with the distribution of divinyl chlorophyll in marine cyanobacteria of the genera Prochlorococcus and Synechococcus... - Participation of chlorophyll b reductase in the initial step of the degradation of light-harvesting chlorophyll a/b-protein complexes in ArabidopsisYukiko Horie
Institute of Low Temperature Science, Hokkaido University, N19 W8, Kita ku, Sapporo 060 0819, Japan
J Biol Chem 284:17449-56. 2009..Based on these results, we propose the novel hypothesis that chlorophyll b reductase catalyzes the initial step of LHCII degradation, and that trimeric LHCII is a substrate of LHCII degradation... - The major route for chlorophyll synthesis includes [3,8-divinyl]-chlorophyllide a reduction in Arabidopsis thalianaNozomi Nagata
Institute of Low Temperature Science, Hokkaido University, Sapporo, Japan
Plant Cell Physiol 48:1803-8. 2007..In addition, we investigated the accumulation of various Chl intermediates in etiolated seedlings in vivo. Collectively, these studies indicate that [3,8-divinyl]-chlorophyllide a is the major substrate of DVR... - Involvement of AtNAP1 in the regulation of chlorophyll degradation in Arabidopsis thalianaTomohiro Nagane
Institute of Low Temperature Science, Hokkaido University, N19W8, Kita ku, Sapporo 060 0819, Japan
Planta 231:939-49. 2010..The concerted regulation of chlorophyll degradation is discussed in relation to the function of AtNAP1... - Identification of a novel vinyl reductase gene essential for the biosynthesis of monovinyl chlorophyll in Synechocystis sp. PCC6803Hisashi Ito
Institute of Low Temperature Science, Hokkaido University, Sapporo 060 0819, Japan
J Biol Chem 283:9002-11. 2008..We concluded that Slr1923 encodes the vinyl reductase or a subunit essential for monovinyl chlorophyll synthesis. The function and evolution of 8-vinyl reductase genes are discussed... - Chlorophyll metabolismAyumi Tanaka
Institute of Low Temperature Science, Hokkaido University, Sapporo 060 0819, Japan
Curr Opin Plant Biol 9:248-55. 2006.... - Microbial community structure, pigment composition, and nitrogen source of red snow in AntarcticaMasanori Fujii
The Institute of Low Temperature Science, Hokkaido University, Kita 19, Nishi 8, Kita ku, Sapporo 060 0819, Japan
Microb Ecol 59:466-75. 2010..Based on an estimation of trophic level, it was suggested that primary nitrogen sources of the red snow were supplied from fecal pellet of seabirds including a marine top predator of Antarctica...