Biochemical and Morphological Features of Rice Cell Death Induced by Pseudomonas avenae

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概要

• 論文の詳細を見る

• Pseudomonas avenae is a Gram-negative phytopathogenic bacterium that causes the symptom of a brown stripe in infected susceptible plants. The host range of P. avanae is wide among the monocotyledonous plants, however, individual strains can infect only one or a few host species. A rice-incompatible strain, N1141, caused rapid cell death in sheath sections and in cultured rice cells. A rice-compatible strain, H8301, also induced cell death, however, this cell death in a compatible interaction was delayed compared to the cell death induced by the N1141 incompatible strain. Inoculation of N1141 strain induced expression of EL2 gene which is thought to be one of the defense-related gene. Terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling (TUNEL) of cultured rice cells showed that DNA cleavage occurred only in N1141-inoculated rice cells. N1141 strain caused cytolplasmic condensation, shrinkage, and plasma membrane blebbing, all of which are important morphological characteristics of programmed cell ceath (PCD). In contrast, H8301 strain inoculated rice cells appeared to show weakening of the cell wall instead cytoplasm condensation, shrinkage and membrane blebbing. These results suggest that the rapid cell death of raice induced by the incompatible strain is characterized as PCD.

• 日本植物生理学会の論文

著者

• ISOGAI Akira

  Graduate School of Agricultural and Life Sciences, The University of Tokyo

• Takayama Seiji

  Graduate School of Biological Sciences, Nara Institute of Science and Technology

• IWANO Megumi

  Graduate School of Biological Sciences, Nara Institute of Science and Technology

• Che Fang-sik

  Graduate School Of Biological Sciences Nara Institute Of Science And Technology

• Takayama S

  Graduate School Of Biological Sciences Nara Inst. Of Sci. And Technol.

• Takayama Seiji

  Graduate School Of Biological Sciences Nara Institute Of Science And Technology

• Tanaka Noriko

  Graduate School Of Biological Sciences Nara Institute Of Science And Technology (naist)

• Che Fang-sik

  Graduate School Of Biological Sciences Nara Inst. For Sci. And Technol.

• Minami Eiich

  National Institute of Agrobiological Resources

• Shibuya Naoto

  National Institute of Agrobiological Resources

• Kadota Ikuo

  National Institute of Agro-Environmental Sciences

• Iwano Megumi

  Graduate School Of Biological Sciences Nara Institute Of Science And Technology (naist)

• Iwano Megumi

  Bioscience Naist

• Iwano Megumi

  Graduate School Of Biological Science Nara Advanced Institute Of Science And Technology

• Che Fang-sik

  Department Of Agricultural Chemistry The University Of Tokyo

• Isogai Akira

  Graduate School Of Agricultural And Life Sciences The University Of Tokyo

• Shibuya Naoto

  National Food Research Institute Ministry Of Agriculture

• Iwano M

  Graduate School Of Biological Sciences Nara Institute Of Science And Technology (naist)

• Che Fang-sik

  Graduate School Of Bio-science Nagahama Institute Of Bio-science And Technology

• Isogai Akira

  Department Of Applied Biological Chemistry The University Of Tokyo

• Isogai Akira

  Graduate School Of Agricultural And Life Science The University Of Tokyo

• Shibuya Naoto

  National Food Research Institute

• Tanaka Noriko

  Graduate School Of Agriculture Hokkaido University

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