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Scientific reports v.6, 2016년, pp.37434 -    SCI SCIE
본 등재정보는 저널의 등재정보를 참고하여 보여주는 베타서비스로 정확한 논문의 등재여부는 등재기관에 확인하시기 바랍니다.

Metabolic response induced by parasitic plant-fungus interactions hinder amino sugar and nucleotide sugar metabolism in the host

Lee, Dong-Kyu (College of Pharmacy, Seoul National University, Seoul 08826, Korea ) ; Ahn, Soohyun (Department of Statistics, Seoul National University, Seoul 08826, Korea ) ; Cho, Hae Yoon (College of Pharmacy, Seoul National University, Seoul 08826, Korea ) ; Yun, Hye Young (Department of Agricultural Biotechnology, College of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea ) ; Park, Jeong Hill (College of Pharmacy, Seoul National University, Seoul 08826, Korea ) ; Lim, Johan (Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Korea ) ; Lee, Jeongmi (Faculty of Pharmacy, Ton Duc Thang University, Ho Chi Minh City, Vietnam ) ; Kwon, Sung Won (Department of Statistics, Seoul National University, Seoul 08826, Korea ) ;
  • 초록  

    Infestation by the biotrophic pathogen Gymnosporangium asiaticum can be devastating for plant of the family Rosaceae. However, the phytopathology of this process has not been thoroughly elucidated. Using a metabolomics approach, we discovered the intrinsic activities that induce disease symptoms after fungal invasion in terms of microbe-induced metabolic responses. Through metabolic pathway enrichment and mapping, we found that the host altered its metabolite levels, resulting in accumulation of tetrose and pentose sugar alcohols, in response to this fungus. We then used a multiple linear regression model to evaluate the effect of the interaction between this abnormal accumulation of sugar alcohol and the group variable (control/parasitism). The results revealed that this accumulation resulted in deficiency in the supply of specific sugars, which led to a lack of amino sugar and nucleotide sugar metabolism. Halting this metabolism could hamper pivotal functions in the plant host, including cell wall synthesis and lesion repair. In conclusion, our findings indicate that altered metabolic responses that occur during fungal parasitism can cause deficiency in substrates in pivotal pathways and thereby trigger pathological symptoms.


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