미생물학회지 (Korean Journal of Microbiology)

  • 제31권4호
  • /
  • Pages.312-317
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  • 1993
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  • 0440-2413(pISSN)
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  • 2383-9902(eISSN)
한국미생물학회 (The Microbiological Society of Korea)
권호 표지

한국산 옥수수 및 보리로 부터 분리한 Fusarium graminearum 균주의 Trichothecene과 Zearalenone 생성변이

Variation in Trichothecene and Zearalenone Production by Fusarium graminearum Isolates form Corn and Barley in Korea

  • Kim, Jin-Cheol (Department of Agriculture Biology and Research Center for New Biomaterials in Agriculture) ;
  • Park, Ae-Ran (Department of Agriculture Biology and Research Center for New Biomaterials in Agriculture) ;
  • Lee, Yin-Won (College of Agriculture and Life Sciences, Seoul National University) ;
  • Youn, Hee-Ju (Agency for Defense Development) ;
  • Cha, Seung-Hee (Agency for Defense Development)
  • 발행 : 1993.08.01
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초록

강원도와 남부지방에서 각각 옥수수와 보리를 채집하여 두 곡류로 부터 총 110 균주의 Fusatium graminearum을 분리한 후 쌀배지에서의 trichothecene과 zearalenone(ZEA)의 생성능을 측정하였다. 옥수수로 부터 분리한 51개의 F. graminearum 균주중 trichothecene 생성빈도는 deoxynivalenol(Don)이 64.5%, 3-acetyldeoxynivalenol (3-ADON)이 7.8%, 15acetyldeoxynivalenol (15-ADON)이 33.3%, nivalenol(NIV)이 21.6%, 4-acetylnivalenol (4-ANIV)이 13.7%였다. DON을 생성하는 균주들은 3-ADON보다는 15-ADON을 동시에 생성하였다. 한편, 보리로부터 분리한 59개의 F. graminearum 균주중 trichothecene 생성빈도는 NIV가 71.2%, 그리고 4-ANIV가 61.0%였으며, 한 균주만이 DON과 3-ADON을 동시에 생성하였다. 옥수수로부터 분리한 균주들의 ZEA의 생성빈도와 생성량은 각각 32.0%, 71㎍/g였으며, 보리로부터 분리한 균주는 각각 29%, 745㎍이었다. 이와같이 우리나라 강원도지방과 남부지방의 F. graminearum 균주들의 trichothecene 생성양상은 지역적인 큰 차이를 나타내었다.

A total of 110 Fusarium graminearum isolates were obtained from corn and barley samples which were collected from Kangwon province and the southern part of Korea, respectively. The isolates were tested for trichothecene and zearalenone (ZEA) production in rice culture. The incidences of trichothecene production by 51 isolates of F. graminearum from corn were 64.7% for deoxynivalenol (DON), 7.8% for 3-acetyldeoxynivalenol (3-ADON),33.3% for 15-acetylde-oxynivalenol (15-ADON), 21.6% for invalenol (NIV), and 13.7% for 4-acetylnivalenol (4-ANIV). DON producers frequently co-produced 15-ADON rather than 3-ADON. On the other hand, the incidences of trichothecene production by 59 isolates of F. graminearum from barley were 71.2% for NIV, 61.0% for 4-ANIV, and only one isolate produced DON and 3-ADON. The incidences and mean levels of ZEA producers were 32.0% and 71.$\mu$g/g for the isolates from corn, and 29.0% and 74 .$\mu$g/g for the isolates from barley. There was a great regional difference in trichothecene production of F. graminearum isolates between Kangwon province and the southern part of Korea.

키워드

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