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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.1
- 수록면
- 143 - 153 (11page)
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초록· 키워드
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Background: Ginseng is one of the well-known medicinal plants, exhibiting diverse medicinal effects. Its roots possess anticancer and antiaging properties and are being used in the medical systems of East Asian countries. It is grown in low-light and low-temperature conditions, and its growth is strongly inhibited at temperatures above 25℃. However, the molecular responses of ginseng to heat stress are currently poorly understood, especially at the protein level.
Methods: We used a shotgun proteomics approach to investigate the effect of heat stress on ginseng leaves. We monitored their photosynthetic efficiency to confirm physiological responses to a high-temperature stress.
Results: The results showed a reduction in photosynthetic efficiency on heat treatment (35℃) starting at 48 h. Label-free quantitative proteome analysis led to the identification of 3,332 proteins, of which 847 were differentially modulated in response to heat stress. The MapMan analysis showed that the proteins with increased abundance were mainly associated with antioxidant and translation-regulating activities, whereas the proteins related to the receptor and structural-binding activities exhibited decreased abundance. Several other proteins including chaperones, G-proteins, calcium-signaling proteins, transcription factors, and transfer/carrier proteins were specifically downregulated.
Conclusion: These results increase our understanding of heat stress responses in the leaves of ginseng at the protein level, for the first time providing a resource for the scientific community.
Methods: We used a shotgun proteomics approach to investigate the effect of heat stress on ginseng leaves. We monitored their photosynthetic efficiency to confirm physiological responses to a high-temperature stress.
Results: The results showed a reduction in photosynthetic efficiency on heat treatment (35℃) starting at 48 h. Label-free quantitative proteome analysis led to the identification of 3,332 proteins, of which 847 were differentially modulated in response to heat stress. The MapMan analysis showed that the proteins with increased abundance were mainly associated with antioxidant and translation-regulating activities, whereas the proteins related to the receptor and structural-binding activities exhibited decreased abundance. Several other proteins including chaperones, G-proteins, calcium-signaling proteins, transcription factors, and transfer/carrier proteins were specifically downregulated.
Conclusion: These results increase our understanding of heat stress responses in the leaves of ginseng at the protein level, for the first time providing a resource for the scientific community.
목차
ABSTRACT
1. Introduction
2. Materials and methods
3. Results and discussion
4. Conclusion
References
참고문헌 (70)
참고문헌 신청
Choi KT / 2008 / Botanical characteristics, pharmacological effects and medicinal components of Korean Panax ginseng C. A. Meyer / Acta Pharmacol Sin 29:1109~1118
이준수 / 2010 / Characteristics of Resistant Lines to High-Temperature Injury in Ginseng (Panax ginseng C. A. Meyer) / Journal of Ginseng Research 34(4):274~281
이경미 / 2012 / CO2농도와 온도증가에 따른 인삼의 생육 및 생리․생태학적 반응 연구 / 한국작물학회지 57(2):106~112
Mittler R / 2012 / How do plants feel the heat / Trends Biochem Sci 37:118~125
Shi W / 2007 / Investigation of ginsenosides in different parts and ages of Panax ginseng / Food Chem 102:664~668
이준수 / 2010 / Characteristics of Resistant Lines to High-Temperature Injury in Ginseng (Panax ginseng C. A. Meyer) / Journal of Ginseng Research 34(4):274~281
이경미 / 2012 / CO2농도와 온도증가에 따른 인삼의 생육 및 생리․생태학적 반응 연구 / 한국작물학회지 57(2):106~112
Mittler R / 2012 / How do plants feel the heat / Trends Biochem Sci 37:118~125
Shi W / 2007 / Investigation of ginsenosides in different parts and ages of Panax ginseng / Food Chem 102:664~668
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UCI(KEPA) : I410-ECN-0101-2019-524-000425181