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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.8
- 수록면
- 724 - 732 (9page)
이용수
초록· 키워드
오류제보하기
Plant defence responses to various biotic stresses via systemic acquired resistance (SAR) are induced by avirulent pathogens and chemical compounds, including certain plant hormones in volatile form, such as methyl salicylate and methyl jasmonate. SAR refers to the observation that, when a local part of a plant is exposed to elicitors, the entire plant exhibits a resistance response. In the natural environment, plants are continuously exposed to avirulent pathogens that induce SAR and volatile emissions affecting neighbouring plants as well as the plant itself. However, the underlying mechanism has not been intensively studied. In this study, we evaluated whether plants “memorise” the previous activation of plant immunity when exposed repeatedly to plant defensive volatiles such as methyl salicylate and methyl jasmonate. We hypothesised that stronger SAR responses would occur in plants treated with repeated applications of the volatile plant defence compound MeSA than in those exposed to a single or no treatment. Nicotiana benthamiana seedlings subjected to repeated applications of MeSA exhibited greater protection against Pseudomonas syringae pv. tabaci and Pectobacterium carotovorum subsp. carotovorum than the control. The increase in SAR capacity in response to repeated MeSA treatment was confirmed by analysing the defence priming of the expression of N. benthamiana Pathogenesis-Related 1a (NbPR1a) and NbPR2 by quantitative reverse-transcription PCR compared with the control. We propose the concept of plant memory of plant defence volatiles and suggest that SAR is strengthened by the repeated perception of volatile compounds in plants.
목차
등록된 정보가 없습니다.
참고문헌 (39)
참고문헌 신청
Bruce, T.J. / 2007 / Stressful "memories" of plants: evidence and possible mechanisms / Plant Sci 173:603~608
Cameron, R.K. / 1999 / Accumulation of salicylic acid and PR-1 gene transcripts in relation to the systemic acquired resistance (SAR). response induced by Pseudomonas syringae pv. tomato in Arabidopsis / Physiol. Mol. Plant Pathol. 55:121~130
Cao, H. / 1997 / The Arabidopsis NPR1 gene that controls systemic acquired resistance encodes a novel protein containing ankyrin repeats / Cell 88:57~63
Chanda, B. / 2011 / Glycerol-3-phosphate is a critical mobile inducer of systemic immunity in plants / Nat. Genet. 43:421~427
Chaturvedi, R. / 2012 / An abietane diterpenoid is a potent activator of systemic acquired resistance / Plant J 71:161~172
Cameron, R.K. / 1999 / Accumulation of salicylic acid and PR-1 gene transcripts in relation to the systemic acquired resistance (SAR). response induced by Pseudomonas syringae pv. tomato in Arabidopsis / Physiol. Mol. Plant Pathol. 55:121~130
Cao, H. / 1997 / The Arabidopsis NPR1 gene that controls systemic acquired resistance encodes a novel protein containing ankyrin repeats / Cell 88:57~63
Chanda, B. / 2011 / Glycerol-3-phosphate is a critical mobile inducer of systemic immunity in plants / Nat. Genet. 43:421~427
Chaturvedi, R. / 2012 / An abietane diterpenoid is a potent activator of systemic acquired resistance / Plant J 71:161~172
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