Research Topics
| H NakayashikiSummaryAffiliation: Kobe University Country: Japan Publications
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Detail Information
Publications
Degenerate MAGGY elements in a subgroup of Pyricularia grisea: a possible example of successful capture of a genetic invader by a fungal genomeH Nakayashiki
Laboratory of Plant Pathology, Faculty of Agriculture, Kobe University, Japan
Mol Gen Genet 261:958-66. 1999..The fact that certain members of the cluster of MAGGY carriers retain a single copy of a degenerate MAGGY element implies that the ancestor of these isolates successfully "captured" the invading MAGGY element...- Repeat-induced point mutation (RIP) in Magnaporthe grisea: implications for its sexual cycle in the natural field contextKen-ichi Ikeda
Labvoratory of Plant Pathology, Kobe University, 1-1 Rokkodaicho, Nada, 657-8501 Kobe, Japan
Mol Microbiol 45:1355-64. 2002..These results imply that the sexual cycle of this fungus exists or existed in the natural field context... - Evolution and diversification of RNA silencing proteins in fungiHitoshi Nakayashiki
Laboratory of Plant Pathology, Kobe University, 1 1 Rokkodai cho, Nada Ku, Kobe, 657 8501, Japan
J Mol Evol 63:127-35. 2006..Therefore, the origin of multiple RNA silencing pathways seems to be very ancient, likely having occurred prior to the divergence of the major fungal lineages... 
Systematic functional analysis of calcium-signalling proteins in the genome of the rice-blast fungus, Magnaporthe oryzae, using a high-throughput RNA-silencing systemQuoc Bao Nguyen
Laboratory of Plant Pathology, Graduate School of Agricultural Science, Kobe University, 1 1 Rokkodaicho, Nada, Kobe, Japan
Mol Microbiol 68:1348-65. 2008..oryzae. These included several novel findings such as that Pmc1-, Spf1- and Neo1-like Ca(2+) pumps, calreticulin and calpactin heavy chain were essential for fungal pathogenicity...- The Trickster in the genome: contribution and control of transposable elementsHitoshi Nakayashiki
Laboratory of Plant Pathology, Graduate School of Agricultural Science, Kobe University, Kobe 657 8501, Japan
Genes Cells 16:827-41. 2011..In this review, I focus on the contributions of TEs to various aspects of genome evolution. In addition, why TEs are specific targets for the genome defense mechanisms is discussed... 
Pyret, a Ty3/Gypsy retrotransposon in Magnaporthe grisea contains an extra domain between the nucleocapsid and protease domainsH Nakayashiki
Laboratory of Plant Pathology, Faculty of Agriculture, Kobe University, 1 1 Rokkodai cho, Nada Ku, Kobe 657 8501, Japan
Nucleic Acids Res 29:4106-13. 2001..This suggests that chromodomain-containing LTR retrotransposons and gammaretroviruses may share a common ancestor with the gag protein...- The C-terminal chromodomain-like module in the integrase domain is crucial for high transposition efficiency of the retrotransposon MAGGYHitoshi Nakayashiki
Laboratory of Plant Pathology, Kobe University, 1 1 Rokkodai cho, Nada Ku, Kobe 657 8501, Japan
FEBS Lett 579:488-92. 2005..Our results indicate that the CLM may confer high transposition activity to the element... - Methylation is not the main force repressing the retrotransposon MAGGY in Magnaporthe griseaH Nakayashiki
Laboratory of Plant Pathology, Faculty of Agriculture, Kobe University, Kobe, 657 8501, Japan
Nucleic Acids Res 29:1278-84. 2001..grisea with active or inactive MAGGY elements. Methylation of the MAGGY sequences was detected in some isolates but not in others. However, the methylation status did not correlate with the copy numbers and activity of the elements... - RNA silencing as a tool for exploring gene function in ascomycete fungiHitoshi Nakayashiki
Laboratory of Plant Pathology, Kobe University, 1 1 Rokkodaicho, Nada, 657 8501 Kobe, Japan
Fungal Genet Biol 42:275-83. 2005..oryzae, indicating that this silencing vector should provide a useful reverse genetic tool in ascomycete fungi... - RNA silencing in fungi: mechanisms and applicationsHitoshi Nakayashiki
Laboratory of Plant Pathology, Kobe University, 1 1, Rokkodai cho, Nada Ku, Kobe 657 8501, Japan
FEBS Lett 579:5950-7. 2005..Advantage and disadvantage of RNA silencing as a tool to explore gene function in fungi are discussed... - RNA interference: roles in fungal biologyHitoshi Nakayashiki
Laboratory of Plant Pathology, Kobe University, 1 1 Rokkodai cho, Nada Ku, Kobe 657 8501, Japan
Curr Opin Microbiol 11:494-502. 2008..In addition, we will briefly review recent discoveries on RNAi-related biological phenomena (RNA silencing) in fungi... - Accumulation kinetics of viral gene products in cauliflower mosaic virus-infected turnip protoplastsK Kobayashi
Laboratory of Plant Pathology, Faculty of Agriculture, Kyoto University, Japan
Microbiol Immunol 42:65-9. 1998..The results suggest that the expression of CaMV genes is differentially regulated... - Comparative analyses of the distribution of various transposable elements in Pyricularia and their activity during and after the sexual cycleY Eto
Faculty of Agriculture, Kobe University, Japan
Mol Gen Genet 264:565-77. 2001..These data suggested that MAGGY was the most active of the elements tested for transposition in Pyricularia... - One of the two Dicer-like proteins in the filamentous fungi Magnaporthe oryzae genome is responsible for hairpin RNA-triggered RNA silencing and related small interfering RNA accumulationNaoki Kadotani
Laboratory of Plant Pathology, Faculty of Agriculture Kobe University, 1-1 Rokkodaicho, Nada, 657-8501 Kobe, Japan
J Biol Chem 279:44467-74. 2004.... - Heat shock, copper sulfate and oxidative stress activate the retrotransposon MAGGY resident in the plant pathogenic fungus Magnaporthe griseaK Ikeda
Laboratory of Plant Pathology, Faculty of Agriculture, Kobe University, Nada, Japan
Mol Genet Genomics 266:318-25. 2001..The relationship between the activation of MAGGY by stress and phenotypic diversification in M. grisea, including variations in pathogenicity, is discussed... - Transposition of the retrotransposon MAGGY in heterologous species of filamentous fungiH Nakayashiki
Laboratory of Plant Pathology, Faculty of Agriculture, Kobe University, Kobe 657 8501, Japan
Genetics 153:693-703. 1999..lagenarium appeared to be rare. This is the first report that demonstrates active transposition of a fungal transposable element in heterologous hosts. Possible usage of MAGGY as a genetic tagging tool in filamentous fungi is discussed... - OARE-1, a Ty1-copia retrotransposon in oat activated by abiotic and biotic stressesY Kimura
Laboratory of Plant Pathology, Faculty of Agriculture, Kobe University, Rokkodai-cho, Nada-ku, Kobe, 657-8501 Japan
Plant Cell Physiol 42:1345-54. 2001..These results suggest that OARE-1 is highly sensitive to various abiotic and biotic stimuli leading to plant defense responses... - Evidence for a dual strategy in the expression of cauliflower mosaic virus open reading frames I and IVK Kobayashi
Laboratory of Plant Pathology, Faculty of Agriculture, Kyoto University, Japan
Microbiol Immunol 42:329-34. 1998..These results suggest the involvement of subgenomic RNAs in the expression of CaMV ORFs I and IV, and the operation of a dual strategy in the expression of two viral genes... - Induction and signaling of an apoptotic response typified by DNA laddering in the defense response of oats to infection and elicitorsY Tada
Graduate School of Natural Science and Technology, Kobe University, Japan
Mol Plant Microbe Interact 14:477-86. 2001..The results also demonstrated that the mediators involved in the induction of apoptosis depended on the type of stimuli, whereas p28 and serine and cysteine proteases commonly are associated with each elicitor-induced apoptosis... 
siRNA-dependent and -independent post-transcriptional cosuppression of the LTR-retrotransposon MAGGY in the phytopathogenic fungus Magnaporthe oryzaeToshiki Murata
Laboratory of Plant Pathology, Graduate School of Agricultural Science, Kobe University, Kobe 657 8501, Japan
Nucleic Acids Res 35:5987-94. 2007..oryzae that possesses the RNA silencing machinery...- Meiotic behavior of a supernumerary chromosome in Magnaporthe oryzaeI Chuma
Faculty of Agriculture, Kobe University, 657-8501 Kobe, Japan
Curr Genet 43:191-8. 2003..An ectopic sister chromatid recombination may cause the size variation of the minichromosomes... - Novel evidence for apoptotic cell response and differential signals in chromatin condensation and DNA cleavage in victorin-treated oatsN Yao
Laboratory of Plant Pathology, The Graduate School of Science and Technology, Kobe University, Rokkodai, Nada-ku, Kobe 657-8501, Japan
Plant J 28:13-26. 2001..Moreover, protein kinases were involved in chromatin condensation, but did not affect DNA digestion, suggesting that chromatin condensation and DNA cleavage are differentially regulated in the death process in oats... - RNA silencing in the phytopathogenic fungus Magnaporthe oryzaeNaoki Kadotani
Laboratory of Plant Pathology, Kobe University, 1-1 Rokkodaicho, Nada, 657-8501 Kobe, Japan
Mol Plant Microbe Interact 16:769-76. 2003..Overall, these results indicate that RNA silencing operates in M. oryzae, which gives us a new tool for genome-wide gene analysis in this fungus... - Evolution of an avirulence gene, AVR1-CO39, concomitant with the evolution and differentiation of Magnaporthe oryzaeYukio Tosa
Faculty of Agriculture, Graduate School of Science and Technology, Kobe University, Nada, Japan
Mol Plant Microbe Interact 18:1148-60. 2005..These results indicate that AVR1-CO39 was lost during the early stage of evolution of the Oryza-specific subgroup of P. oryzae. Interestingly, its corresponding resistance gene, Pi-CO39(t), is not widely distributed in Oryza spp... - Evolution of the Eleusine subgroup of Pyricularia oryzae inferred from rearrangement at the Pwl1 locusMasaki Tanaka
Laboratory of Plant Pathology, Graduate School of Agricultural Sciences, Kobe University, Nada, Kobe 657 8501, Japan
Mol Plant Microbe Interact 23:771-83. 2010..Based on these results, a model was constructed which illustrated possible pathways to the establishment of the Eleusine subgroup... - Speciation in Pyricularia inferred from multilocus phylogenetic analysisKenji Hirata
Graduate School of Agriculture, Kobe University, Nada, Kobe 657 8501, Japan
Mycol Res 111:799-808. 2007..They were interpreted by assuming that Pyricularia has evolved through repeated species radiation. The transition point other than the current species limit was considered to be the limit of the former species... - Requirement of cauliflower mosaic virus open reading frame VI product for viral gene expression and multiplication in turnip protoplastsK Kobayashi
Laboratory of Plant Pathology, Faculty of Agriculture, Kyoto University, Japan
Microbiol Immunol 42:377-86. 1998..These results suggest that P6 is involved in the stabilization of other viral gene products as well as in the activation of viral gene expression, and thus, is a prerequisite for CaMV multiplication... - Transcriptional control and protein specialization have roles in the functional diversification of two dicer-like proteins in Magnaporthe oryzaeNaoki Kadotani
Laboratory of Plant Pathology, Kobe University, Kobe 657 8501, Japan
Genetics 180:1245-9. 2008.... - Apoptotic cell death is a common response to pathogen attack in oatsNan Yao
Laboratory of Plant Pathology, The Graduate School of Science and Technology, Kobe University, Rokkodai, Japan
Mol Plant Microbe Interact 15:1000-7. 2002..Possible roles of apoptotic cell death in the susceptible and resistant interactions are discussed... - Nitric oxide and reactive oxygen species do not elicit hypersensitive cell death but induce apoptosis in the adjacent cells during the defense response of oatYasuomi Tada
Graduate School of Natural Science and Technology, Kobe University, Kobe 657-8501, Japan
Mol Plant Microbe Interact 17:245-53. 2004..However, NO and O2- but not H2O2 are required for the onset of apoptotic cell death in the adjacent cells, where excess NO may exert its anti-apoptotic function by regulating cellular redox state... - Specific cleavage of ribosomal RNA and mRNA during victorin-induced apoptotic cell death in oatTrinh X Hoat
Laboratory of Plant Pathology, Graduate School of Science and Technology, Kobe University, Rokkodai, Nada-ku, Kobe 657-8501, Japan
Plant J 46:922-33. 2006..The RNA degradation mostly, but not always, occurred in parallel with DNA laddering, but pharmacological studies indicated that these processes are regulated by different signaling pathways with some overlapping upstream signals... - Microarray analysis of the gene expression profile induced by the endophytic plant growth-promoting rhizobacteria, Pseudomonas fluorescens FPT9601-T5 in ArabidopsisYanqing Wang
Laboratory of Plant Pathology, Graduate School of Science and Technology, Kobe University, Rokkodai, Nada-ku, Kobe 657-8501, Japan
Mol Plant Microbe Interact 18:385-96. 2005..Our results suggest that P. fluorescens FPT9601-T5 triggered plant responses in a manner similar to known PGPR and, at least in some aspects, to rhizobia... - Mitochondrial oxidative burst involved in apoptotic response in oatsNan Yao
Laboratory of Plant Pathology, Graduate School of Science and Technology, Kobe University, Rokkodai, Nada-ku, Kobe 657-8501, Japan
Plant J 30:567-79. 2002..These findings indicate possible involvement of mitochondria, especially mitochondrial-derived ROS generation, as an important regulator in controlling apoptotic cell death in oats... - Analysis of the involvement of hydroxyanthranilate hydroxycinnamoyltransferase and caffeoyl-CoA 3-O-methyltransferase in phytoalexin biosynthesis in oatQian Yang
Laboratory of Plant Pathology, Graduate School of Science and Technology, Kobe University, Kobe 657-8501, Japan
Mol Plant Microbe Interact 17:81-9. 2004.... - Analysis of the structure of the AVR1-CO39 avirulence locus in virulent rice-infecting isolates of Magnaporthe griseaMark L Farman
Department of Plant Pathology, University of Wisconsin, Madison 53706, USA
Mol Plant Microbe Interact 15:6-16. 2002..These findings suggest that widespread virulence to 'CO39' among rice-infecting M. grisea isolates is due to ancestral rearrangements at the AVR1-CO39 locus that may have occurred early in the evolution of pathogenicity to rice... - Induction of apoptotic cell death leads to the development of bacterial rot caused by Pseudomonas cichoriiAkinori Kiba
Laboratory of Plant Pathology and Biotechnology, Faculty of Agriculture, Kochi University, Nankoku, 783 8502 Japan
Mol Plant Microbe Interact 19:112-22. 2006..These results suggest that apoptotic cell death might be closely associated with the development of bacterial rot caused by P. cichorii...