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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제27권 제10호
- 발행연도
- 2017.1
- 수록면
- 1,763 - 1,772 (10page)
이용수
초록· 키워드
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This study aimed to isolate and characterize antibacterial metabolites from Pharbitis nil seeds and investigate their antibacterial activity against various plant pathogenic bacteria. The methanol extract of P. nil seeds showed the strongest activity against Xanthomonas arboricola pv. pruni (Xap) with a minimum inhibition concentration (MIC) value of 250 μg/ml. Among the three solvent layers obtained from the methanol extract of P. nil seeds, only the butanol layer displayed the activity with an MIC value of 125 μg/ml against Xap. An antibacterial fraction was obtained from P. nil seeds by repeated column chromatography and identified as pharbitin, a crude resin glycoside, by instrumental analysis. The antibacterial activity of pharbitin was tested in vitro against 14 phytopathogenic bacteria, and it was found to inhibit Ralstonia solanacearum and four Xanthomonas species. The minimum inhibitory concentration values against the five bacteria were 125–500 μg/ml for the n-butanol layer and 31.25–125 μg/ml for pharbitin. In a detached peach leaf assay, it effectively suppressed the development of bacterial leaf spot, with a control value of 87.5% at 500 μg/ml. In addition, pharbitin strongly reduced the development of bacterial wilt on tomato seedlings by 97.4% at 250 μg/ml, 7 days after inoculation. These findings suggest that the crude extract of P. nil seeds can be used as an alternative biopesticide for the control of plant diseases caused by R. solanacearum and Xanthomonas spp. This is the first report on the antibacterial activity of pharbitin against phytopathogenic bacteria.
목차
등록된 정보가 없습니다.
참고문헌 (25)
참고문헌 신청
Austin DF / 1996 / A synopsis of Ipomoea (Convolvulaceae) in the Americas / Taxon 29 : 501 ~ 502
Bensky D / 1993 / Chinese Herbasl Medicine / Eastland Press
Corona-Castaneda B / 2012 / Morning glory resin glycosides as modulators of antibiotic activity in multidrug-resistant gram-negative bacteria / Planta Med 78 : 128 ~ 131
Eich E. / 2008 / Solanaceae and Convolvulaceae: Secondary Metabolites / Springer Verlag
Genin S / 2004 / Lessons learned from the genome analysis of Ralstonia solanacearum / Annu. Rev. Phytopathol 42 : 107 ~ 134
Bensky D / 1993 / Chinese Herbasl Medicine / Eastland Press
Corona-Castaneda B / 2012 / Morning glory resin glycosides as modulators of antibiotic activity in multidrug-resistant gram-negative bacteria / Planta Med 78 : 128 ~ 131
Eich E. / 2008 / Solanaceae and Convolvulaceae: Secondary Metabolites / Springer Verlag
Genin S / 2004 / Lessons learned from the genome analysis of Ralstonia solanacearum / Annu. Rev. Phytopathol 42 : 107 ~ 134
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