지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.1
- 수록면
- 409 - 415 (7page)
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초록· 키워드
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The vegetation period of trees might be prolonged by the delay of the leaf senescence in autumn. Thus, we focused on the generation of senescence-delayed transgenic trees to enhance biomass production. The PagMYC2, a gene containing the basic helix-loop-helix domain, was selected as a candidate for a senescence-delayed transgenic tree. The PagMYC2 gene was specifically induced after treatment with phytohormone jasmonic acid, and upregulated by abiotic stresses such as salinity, osmotic pressure and a low temperature. The constitutive overexpression of the PagMYC2 delayed the leaf senescence and inhibited chlorophyll degradation in the transgenic poplars. Leaf senescence analysis was performed in the leaf tissues of the PagMYC2-overexpression transgenic poplars. The transgenic poplars exhibited higher photochemical efficiency than did a wild type plant under a short-day condition (6 hours light/ 18 hours darkness) or a low temperature condition (15°C) that was similar to the weather conditions of autumn. These results suggest that the PagMYC2 is a useful genetic resource to improve biomass production, which is able to sustain growth with senescencedelayed leaves for a long time in autumn.
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참고문헌 (42)
참고문헌 신청
Quirino BF / 2000 / Molecular aspects of leaf senescence / Trends Plant Sci 5(7):278~282
Rowe HC / 2010 / Deficiencies in jasmonate-mediated plant defense reveal quantitative variation in Botrytis cinerea pathogenesis / PLoS Pathog 6:e1000861
Schweizer F / 2013 / Arabidopsis basic helix-loop-helix transcription factors MYC2, MYC3, and MYC4 regulate glucosinolate biosynthesis, insect performance, and feeding behavior / Plant Cell 25:3117~3132
Shan X / 2011 / The role of Arabidopsis Rubisco activase in jasmonate-induced leaf senescence / Plant Physiol 155:751~764
Sheard LB / 2010 / Jasmonate perception by inositolphosphatepotentiated COI1-JAZ co-receptor / Nature 468:400~405
Rowe HC / 2010 / Deficiencies in jasmonate-mediated plant defense reveal quantitative variation in Botrytis cinerea pathogenesis / PLoS Pathog 6:e1000861
Schweizer F / 2013 / Arabidopsis basic helix-loop-helix transcription factors MYC2, MYC3, and MYC4 regulate glucosinolate biosynthesis, insect performance, and feeding behavior / Plant Cell 25:3117~3132
Shan X / 2011 / The role of Arabidopsis Rubisco activase in jasmonate-induced leaf senescence / Plant Physiol 155:751~764
Sheard LB / 2010 / Jasmonate perception by inositolphosphatepotentiated COI1-JAZ co-receptor / Nature 468:400~405
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