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병 저항성 기반 십자화과 작물의 검은무늬병 관리

Disease Resistance-Based Management of Alternaria Black Spot in Cruciferous Crops

  • 이영희 (경상국립대학교 농업생명과학대학 원예과학부) ;
  • 김수민 (경상국립대학교 농업생명과학대학 원예과학부) ;
  • 이승빈 (경상국립대학교 농업생명과학대학 원예과학부) ;
  • 김상희 (경상국립대학교 자연과학대학 응용생명과학부) ;
  • 윤병욱 (경북대학교 농업생명과학대학 응용생명과학부) ;
  • 홍점규 (경상국립대학교 농업생명과학대학 원예과학부)
  • Young Hee Lee (Division of Horticultural Science, College of Agriculture and Life Sciences, Gyeongsang National University) ;
  • Su Min Kim (Division of Horticultural Science, College of Agriculture and Life Sciences, Gyeongsang National University) ;
  • Seoung Bin Lee (Division of Horticultural Science, College of Agriculture and Life Sciences, Gyeongsang National University) ;
  • Sang Hee Kim (Division of Applied Life Science (BK21 Four Program), Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University) ;
  • Byung-Wook Yun (Department of Applied Biosciences, College of Agriculture and Life Sciences, Kyungpook National University) ;
  • Jeum Kyu Hong (Division of Horticultural Science, College of Agriculture and Life Sciences, Gyeongsang National University)
  • 투고 : 2023.09.04
  • 심사 : 2023.10.25
  • 발행 : 2023.12.31

초록

검은무늬병은 세계적으로 재배되는 십자화과 작물을 황폐화시키고 있으며, 브로콜리, 배추, 케일, 무, 유채 등의 생산에 경제적인 손실을 가져왔다. 십자화과 작물의 검은무늬병은 A. brassicae, A. brassicicola, A. raphani 등을 포함하는 다수의 Alternaria 종에 의하여 발생하며 이러한 병원균들은 감염된 종자나 매개충에 의하여 전반된다. 본 총설에서는 검은무늬병에 대한 십자화과 작물의 병 저항성 형질을 발굴하기 위한 그 동안의 노력을 보여주었다. 병 저항성을 위한 유전 자원이 십자화과 작물의 근연 야생종으로부터 조사되었으며, 십자화과 작물의 상이한 품종들이 다른 접종 조건에서 선별되었다. 검은무늬병 저항성 작물의 개발을 위하여 다양한 식물 방어 관련 유전자들을 이용한 십자화과 작물의 형질 전환이 이루어지기도 하였다. β-Amino-n-butyric acid나 멜라토닌과 같은 화학 물질을 전처리하여 활성화된 식물 면역이 십자화과 작물의 검은무늬병을 줄이기 위하여 제안되었다. 검은무늬병 저항성 형질은 다른 서식지에서 유래한 모델 식물 Arabidopsis 생태형들에서도 평가되었다. 야생형 Arabidopsis와는 상이한 병 저항성을 보이는 식물 면역 관련 돌연변이체들은 십자화과 작물에서 검은무늬병을 관리하는 데에 가치있는 정보를 제공하였다. 특히 이러한 돌연변이체에서 변동된 산화-환원 조절과 항산화 반응에 대하여 본 총설에서 논하였다.

Alternaria black spots or blights in cruciferous crops have been devastating diseases worldwide and led to economic losses in broccoli, Chinese cabbage, kale, radish, rapeseed, etc. These diseases are caused by different Alternaria spp., including A. brassicae, A. brassicicola and A. raphani transmitted from infected seeds or insect vectors. Efforts to excavate disease resistance traits of cruciferous crops against Alternaria black spots or blights have been demonstrated. Genetic resource of disease resistance was investigated in the wild relatives of cruciferous crops, and different cultivars were screened under different inoculation conditions. Development of the disease-resistant lines against Alternaria black spots or blights was also tried via genetic transformation of the cruciferous crops using diverse plant defence-associated genes. Plant immunity activated by pre-treatment with chemicals, i. e. β-amino-n-butyric acid and melatonin, was suggested for reducing Alternaria black spots or blights in cruciferous crops. The disease resistance traits have also been evaluated in model plant Arabidopsis originating from different habitats. Various plant immunity-related mutants showing different disease responses from wild-type Arabidopsis provided valuable information for managing Alternaria black spots or blights in cruciferous crops. In particular, redox regulation and antioxidant responses altered in the Alternaria-infected mutants were discussed in this review.

키워드

과제정보

This work was financially supported by National Research Foundation (NRF) of Korea, Ministry of Education, Science and Technology (MEST) of Korea government (grant no. NRF2020R1A2C1101613), Republic of Korea.

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