N Mochizuki

Summary

Affiliation: Kyoto University
Country: Japan

Publications

  1. pmc The steady-state level of Mg-protoporphyrin IX is not a determinant of plastid-to-nucleus signaling in Arabidopsis
    Nobuyoshi Mochizuki
    Department of Botany, Graduate School of Science, Kyoto University, Kitashirakawa, Kyoto 606 8502, Japan
    Proc Natl Acad Sci U S A 105:15184-9. 2008
  2. pmc Arabidopsis genomes uncoupled 5 (GUN5) mutant reveals the involvement of Mg-chelatase H subunit in plastid-to-nucleus signal transduction
    N Mochizuki
    Department of Botany, Graduate School of Science, Kyoto University, Kitashirakawa, Kyoto 606 8502, Japan
    Proc Natl Acad Sci U S A 98:2053-8. 2001
  3. ncbi request reprint [Plastid-to-nucleus signal transduction pathway]
    Nobuyoshi Mochizuki
    Tanpakushitsu Kakusan Koso 50:1896-7. 2005
  4. pmc Light-dependent translocation of a phytochrome B-GFP fusion protein to the nucleus in transgenic Arabidopsis
    R Yamaguchi
    Department of Botany, Graduate School of Science, Kyoto University, Kyoto 606 8502, Japan
    J Cell Biol 145:437-45. 1999
  5. ncbi request reprint Expression of the AtGH3a gene, an Arabidopsis homologue of the soybean GH3 gene, is regulated by phytochrome B
    Shin ichiro Tanaka
    Department of Botany, Graduate School of Science, Kyoto University, Sakyo ku, Kyoto, 606 8502, Japan
    Plant Cell Physiol 43:281-9. 2002
  6. ncbi request reprint Dimers of the N-terminal domain of phytochrome B are functional in the nucleus
    Tomonao Matsushita
    Department of Botany, Graduate School of Science, Kyoto University, Sakyo ku, Kyoto 606 8502, Japan
    Nature 424:571-4. 2003
  7. pmc Functional analysis of a 450-amino acid N-terminal fragment of phytochrome B in Arabidopsis
    Yoshito Oka
    Laboratory of Plant Physiology, Graduate School of Science, Kyoto University, Kitashirakawa Oiwake cho, Sakyo ku, Kyoto 606 8502, Japan
    Plant Cell 16:2104-16. 2004
  8. ncbi request reprint Cryptochromes and phytochromes synergistically regulate Arabidopsis root greening under blue light
    Takeshi Usami
    Department of Botany, Graduate School of Science, Kyoto University, Sakyo ku, Kyoto, 606 8502 Japan
    Plant Cell Physiol 45:1798-808. 2004
  9. pmc Photochemical properties of the flavin mononucleotide-binding domains of the phototropins from Arabidopsis, rice, and Chlamydomonas reinhardtii
    Masahiro Kasahara
    National Institute for Basic Biology, Okazaki 444 8585, Japan
    Plant Physiol 129:762-73. 2002
  10. pmc Phytochrome B in the mesophyll delays flowering by suppressing FLOWERING LOCUS T expression in Arabidopsis vascular bundles
    Motomu Endo
    Laboratory of Plant Physiology, Graduate School of Science, Kyoto University, Kitashirakawa Oiwake cho, Sakyo ku, Kyoto 606 8502, Japan
    Plant Cell 17:1941-52. 2005

Collaborators

Detail Information

Publications18

  1. pmc The steady-state level of Mg-protoporphyrin IX is not a determinant of plastid-to-nucleus signaling in Arabidopsis
    Nobuyoshi Mochizuki
    Department of Botany, Graduate School of Science, Kyoto University, Kitashirakawa, Kyoto 606 8502, Japan
    Proc Natl Acad Sci U S A 105:15184-9. 2008
    ..Taking these results together, we propose that the current model on plastid signaling must be revised...
  2. pmc Arabidopsis genomes uncoupled 5 (GUN5) mutant reveals the involvement of Mg-chelatase H subunit in plastid-to-nucleus signal transduction
    N Mochizuki
    Department of Botany, Graduate School of Science, Kyoto University, Kitashirakawa, Kyoto 606 8502, Japan
    Proc Natl Acad Sci U S A 98:2053-8. 2001
    ..The comparison of mutant phenotypes of gun5 and another Mg-chelatase subunit (ChlI) mutant suggests a specific function for ChlH protein in the plastid-signaling pathway...
  3. ncbi request reprint [Plastid-to-nucleus signal transduction pathway]
    Nobuyoshi Mochizuki
    Tanpakushitsu Kakusan Koso 50:1896-7. 2005
  4. pmc Light-dependent translocation of a phytochrome B-GFP fusion protein to the nucleus in transgenic Arabidopsis
    R Yamaguchi
    Department of Botany, Graduate School of Science, Kyoto University, Kyoto 606 8502, Japan
    J Cell Biol 145:437-45. 1999
    ..In contrast, phyB-GFP fluorescence was observed throughout the cell in dark-grown seedlings. Therefore, phyB translocates to specific sites within the nucleus upon photoreceptor activation...
  5. ncbi request reprint Expression of the AtGH3a gene, an Arabidopsis homologue of the soybean GH3 gene, is regulated by phytochrome B
    Shin ichiro Tanaka
    Department of Botany, Graduate School of Science, Kyoto University, Sakyo ku, Kyoto, 606 8502, Japan
    Plant Cell Physiol 43:281-9. 2002
    ..Furthermore, the light response was substantially reduced in the auxin-related axr2 mutant. Taken together, it is suggested that phytochrome B regulates the expression of genes by altering the levels of auxin...
  6. ncbi request reprint Dimers of the N-terminal domain of phytochrome B are functional in the nucleus
    Tomonao Matsushita
    Department of Botany, Graduate School of Science, Kyoto University, Sakyo ku, Kyoto 606 8502, Japan
    Nature 424:571-4. 2003
    ..These findings indicate that the C-terminal domain attenuates the activity of phyB rather than positively transducing the signal...
  7. pmc Functional analysis of a 450-amino acid N-terminal fragment of phytochrome B in Arabidopsis
    Yoshito Oka
    Laboratory of Plant Physiology, Graduate School of Science, Kyoto University, Kitashirakawa Oiwake cho, Sakyo ku, Kyoto 606 8502, Japan
    Plant Cell 16:2104-16. 2004
    ..Taken together, our findings show that the PHY domain is dispensable for phyB signal transduction but is required for stabilizing the Pfr form of phyB...
  8. ncbi request reprint Cryptochromes and phytochromes synergistically regulate Arabidopsis root greening under blue light
    Takeshi Usami
    Department of Botany, Graduate School of Science, Kyoto University, Sakyo ku, Kyoto, 606 8502 Japan
    Plant Cell Physiol 45:1798-808. 2004
    ..Dichromatic irradiation experiments indicated that this interaction depends on the level of phyB P(FR). Analysis of the cop1, det1 and hy5 mutants indicated that the corresponding factors were involved in the response...
  9. pmc Photochemical properties of the flavin mononucleotide-binding domains of the phototropins from Arabidopsis, rice, and Chlamydomonas reinhardtii
    Masahiro Kasahara
    National Institute for Basic Biology, Okazaki 444 8585, Japan
    Plant Physiol 129:762-73. 2002
    ..The LOV domains of C. reinhardtii phot also undergo light-activated spectral changes consistent with cysteinyl adduct formation. Thus, the phototropin family extends over a wide evolutionary range from unicellular algae to higher plants...
  10. pmc Phytochrome B in the mesophyll delays flowering by suppressing FLOWERING LOCUS T expression in Arabidopsis vascular bundles
    Motomu Endo
    Laboratory of Plant Physiology, Graduate School of Science, Kyoto University, Kitashirakawa Oiwake cho, Sakyo ku, Kyoto 606 8502, Japan
    Plant Cell 17:1941-52. 2005
    ..Hence, a novel intertissue signaling from mesophyll to vascular bundles is revealed as a critical step for the regulation of flowering by phyB...
  11. pmc Mutant screen distinguishes between residues necessary for light-signal perception and signal transfer by phytochrome B
    Yoshito Oka
    Department of Biology, Graduate School of Science, Kyoto University, Kyoto, Japan
    PLoS Genet 4:e1000158. 2008
    ..Alignment with the recently described three-dimensional structure of the PAS-GAF domain of a bacterial phytochrome suggests that these four mutations reside in the vicinity of the phytochrome light-sensing knot...
  12. ncbi request reprint The C-terminal kinase fragment of Arabidopsis phototropin 2 triggers constitutive phototropin responses
    Sam Geun Kong
    Department of Botany, Graduate School of Science, Kyoto University, Kyoto, Japan
    Plant J 51:862-73. 2007
    ..In contrast to P2CG, P2NG did not affect the phot2 responses, except for partial inhibition of the phototropic response caused by the endogenous phototropins...
  13. pmc CRYPTOCHROME2 in vascular bundles regulates flowering in Arabidopsis
    Motomu Endo
    Laboratory of Plant Physiology, Graduate School of Science, Kyoto University, Kitashirakawa Oiwake cho, Sakyo ku, Kyoto 606 8502, Japan
    Plant Cell 19:84-93. 2007
    ..We further confirmed that cry2-GFP expressed in vascular bundles increased FT expression only in vascular bundles. Hence, in striking contrast with phyB, cry2 most likely regulates FT expression in a cell-autonomous manner...
  14. ncbi request reprint Roles for the N- and C-terminal domains of phytochrome B in interactions between phytochrome B and cryptochrome signaling cascades
    Takeshi Usami
    Department of Botany, Graduate School of Science, Kyoto University, Sakyo ku, Kyoto, 606 8502, Japan
    Plant Cell Physiol 48:424-33. 2007
    ..In summary, these results demonstrate that different domains of phyB can play various roles which are dependent on light conditions as well as on the specific physiological response...
  15. ncbi request reprint Blue light-induced association of phototropin 2 with the Golgi apparatus
    Sam Geun Kong
    Department of Botany, Graduate School of Science, Kyoto University, Kyoto 606 8502, Japan
    Plant J 45:994-1005. 2006
    ..The BL-induced Golgi localization of phot2 may be one of important signaling steps in the phot2 signal transduction pathway...
  16. ncbi request reprint Phytochrome in cotyledons regulates the expression of genes in the hypocotyl through auxin-dependent and -independent pathways
    Shin ichiro Tanaka
    Department of Botany, Graduate School of Science, Kyoto University, Sakyo ku, Kyoto, 606 8502 Japan
    Plant Cell Physiol 43:1171-81. 2002
    ..Hence, some signals appeared to be transmitted from the cotyledons to the hypocotyl...
  17. ncbi request reprint Activation of the cytochrome P450 gene, CYP72C1, reduces the levels of active brassinosteroids in vivo
    Masanobu Nakamura
    Department of Botany, Graduate School of Science, Kyoto University, Sakyo ku, Kyoto 606 8502, Japan
    J Exp Bot 56:833-40. 2005
    ..Expression analysis suggested that wild-type CYP72C1 transcript levels increased after exposure to white light, although the physiological significance of such a response remains obscure...
  18. ncbi request reprint Phototropin from Chlamydomonas reinhardtii is functional in Arabidopsis thaliana
    Akihiko Onodera
    Department of Botany, Graduate School of Science, Kyoto University, Kitashirakawa Oiwake cho, Sakyo ku, Kyoto, 606 8502 Japan
    Plant Cell Physiol 46:367-74. 2005
    ..These results demonstrate that Chlamydomonas phototropin is functional in higher plants. Hence, the basic mechanism of phototropin action is highly conserved, even though its apparent physiological functions are quite diverse...