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Volume 9 Issue 1
Jan.  2018
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Article Navigation >  Journal of Tropical Biology  > 2018  >  9(1): 31-36

Li Liang, MEI Shuangshuang, RONG Wei. Involvement of 3 Genes in the Disease Resistance of Arabidopsis against Oidium heveae[J]. Journal of Tropical Biology, 2018, 9(1): 31-36. doi: 10.15886/j.cnki.rdswxb.2018.01.004
Citation: Li Liang, MEI Shuangshuang, RONG Wei. Involvement of 3 Genes in the Disease Resistance of Arabidopsis against Oidium heveae[J]. Journal of Tropical Biology, 2018, 9(1): 31-36. doi: 10.15886/j.cnki.rdswxb.2018.01.004
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Involvement of 3 Genes in the Disease Resistance of Arabidopsis against Oidium heveae

doi: 10.15886/j.cnki.rdswxb.2018.01.004

  • Institute of Tropical Agriculture and Forestry, Hainan University, Haikou, Hainan 570228, China

  • Received Date: 2017-10-03
  • Rev Recd Date: 2017-12-27
  • The powdery mildew disease of rubber trees is caused by Oidium heveae,an obligate biotrophic pathogen on Hevea brasiliensis.It has been reported that O.heveae HN1106 triggers the hypersensitive response in a manner that depends on the EDS1 and PAD4 in the model plant Arabidopsis thaliana.Previous study has shown that EDS1,PAD4 and SAG101 can form a single complex to mediate disease resistance.However,it is unknown whether SAG101 is required for O.heveae triggered disease resistance in Arabidopsis.The wide type（WT） Col-0 and the mutants sag101,eds1 and pad4 of Arabidopsis were inoculated with O.heveae HN1106 to analyze the early and late disease resistance triggered by O.heveae in Arabidopsis.The results showed that the disease resistance at the early stage and late stage and defense responses triggered by O.heveae in the mutants sag101,eds1 and pad4 were significantly lower than those in the WT Col-0,and the susceptibility of the mutants to O.heveae is in the order of eds1＞pad4＞sag101.This indicates that eds1,pad4 and sag101 all contribute to the disease resistance against O.heveae,and that pad4 has a complementary function with sag101 in the resistance.
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Involvement of 3 Genes in the Disease Resistance of Arabidopsis against Oidium heveae

doi: 10.15886/j.cnki.rdswxb.2018.01.004
  • Institute of Tropical Agriculture and Forestry, Hainan University, Haikou, Hainan 570228, China
  • Received Date: 2017-10-03
  • Rev Recd Date: 2017-12-27

Abstract: The powdery mildew disease of rubber trees is caused by Oidium heveae,an obligate biotrophic pathogen on Hevea brasiliensis.It has been reported that O.heveae HN1106 triggers the hypersensitive response in a manner that depends on the EDS1 and PAD4 in the model plant Arabidopsis thaliana.Previous study has shown that EDS1,PAD4 and SAG101 can form a single complex to mediate disease resistance.However,it is unknown whether SAG101 is required for O.heveae triggered disease resistance in Arabidopsis.The wide type（WT） Col-0 and the mutants sag101,eds1 and pad4 of Arabidopsis were inoculated with O.heveae HN1106 to analyze the early and late disease resistance triggered by O.heveae in Arabidopsis.The results showed that the disease resistance at the early stage and late stage and defense responses triggered by O.heveae in the mutants sag101,eds1 and pad4 were significantly lower than those in the WT Col-0,and the susceptibility of the mutants to O.heveae is in the order of eds1＞pad4＞sag101.This indicates that eds1,pad4 and sag101 all contribute to the disease resistance against O.heveae,and that pad4 has a complementary function with sag101 in the resistance.

Li Liang, MEI Shuangshuang, RONG Wei. Involvement of 3 Genes in the Disease Resistance of Arabidopsis against Oidium heveae[J]. Journal of Tropical Biology, 2018, 9(1): 31-36. doi: 10.15886/j.cnki.rdswxb.2018.01.004
Citation: Li Liang, MEI Shuangshuang, RONG Wei. Involvement of 3 Genes in the Disease Resistance of Arabidopsis against Oidium heveae[J]. Journal of Tropical Biology, 2018, 9(1): 31-36. doi: 10.15886/j.cnki.rdswxb.2018.01.004
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