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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제14권 제3호
- 발행연도
- 2004.1
- 수록면
- 553 - 562 (10page)
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초록· 키워드
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To investigate protective activity in pepper plants,which were pre-inoculated with arbuscular mycorrhizal (AM)fungi Glomus intraradices (Gi), against pathogenic strainPhytophthora capsici (Pc), pathogenesis-related (PR) proteinsand antioxidant enzymes were examined. The growth of rootand shoot was the highest in peppers inoculated with G.intraradices, compared with non-inoculated control plants andthose challenged by the pathogen with and without mycorrhizaeafter nine days of infection. Mycorrhizal colonization ratewas reduced by about 10% in pathogen-challenged plants, butdisease pressure was reduced. The activities of PR proteins,b-1-3-glucanase and chitinase, were increased in Pc-treatedplants compared to Gi+Pc-treated plants in leaves, but thosein roots were suppressed. Superoxide dismutase activity andH2O2 content in Gi+Pc and Pc-treated plants were graduallyincreased in leaves. However, those in roots continuouslyincreased up to 5 days, and then decreased dramatically.Peroxidase activity in leaves and roots increased after P.capsici infection both in plants inoculated with or withoutG. intraradices. These results suggest that AM fungi,G. intraradices, potentially act as one of the protectiveagents against plant pathogens. Changes of PR proteinsand antioxidative enzymes in mycorrhizae-inoculated pepperappear to be regulated differently in leaves and roots bypathogen infection.
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참고문헌 (25)
참고문헌 신청
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Azcon-Aguilar, C / 1996 / Arbuscularmycorrhizas and biological control of soil-borne plantpathogens - an overview of the mechanisms involved 6 : 457 ~ 464
Beffa / 1996 / Decreased susceptibility to viral disease of b-1-3-glucanase-deficient plants generated by antisense transformation 8 : 1001 ~ 1011
Blee / 1996 / Defense-relatedtranscript accumulation in Phaseolus vulgaris L. colonizedby the arbuscular mycorrhizal fungus Glomus intraradicesSchenck & Smith 110 : 675 ~
Agrios / 1997 / Plant Pathology, 4th Ed
Azcon-Aguilar, C / 1996 / Arbuscularmycorrhizas and biological control of soil-borne plantpathogens - an overview of the mechanisms involved 6 : 457 ~ 464
Beffa / 1996 / Decreased susceptibility to viral disease of b-1-3-glucanase-deficient plants generated by antisense transformation 8 : 1001 ~ 1011
Blee / 1996 / Defense-relatedtranscript accumulation in Phaseolus vulgaris L. colonizedby the arbuscular mycorrhizal fungus Glomus intraradicesSchenck & Smith 110 : 675 ~
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