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논문 기본 정보

자료유형
학술저널
저자정보
Hu, Zeng-Hui (Key Laboratory for Genetics and Breeding of Forest Trees and Ornamental Plants [Ministry of Education], College of Biological Sciences and Technology, Beijing Forestry University) Shen, Ying-Bai (Key Laboratory for Genetics and Breeding of Forest Trees and Ornamental Plants [Ministry of Education], College of Biological Sciences and Technology, Beijing Forestry University) Luo, You-Qing (Key Laboratory for Forest Silviculture and Conservation [Ministry of Education], College of Forest Science, Beijing Forestry University) Shen, Fan-Yi (College of Sciences, Beijing Forestry University) Gao, Hai-Bo (College of Life Sciences, Linyi Normal University) Gao, Rong-Fu (Key Laboratory for Genetics and Breeding of Forest Trees and Ornamental Plants [Ministry of Education], College of Biological Sciences and Technology, Beijing Forestry University)
저널정보
한국식물학회 식물학회지 식물학회지 제51권 제4호
발행연도
2008.1
수록면
269 - 275 (7page)

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Plant aldehydes are volatiles necessary to defenses against environmental stress. To explore their emissions in response to wounding, we performed gas chromatography-mass spectrometry (GC-MS) on cuttings from poplar (Populus simonii${\times}$P. pyramidalis 'Opera 8277') that were mechanically damaged to mimic herbivore attack. We detected 16 aldehydes, including 11 linear saturated aldehydes, 3 linear unsaturated aldehydes, and 2 non-linear aldehydes. Emissions of these aldehydes were clearly enhanced by such treatment, and exhibited a similar pattern of change, i.e., increasing in the first 2h, then sharply decreasing before rising again at about 12h. Two release peaks for these aldehydes were observed. Therefore, we propose two pathways for the mediation of aldehyde emissions following damage. The first peak may represent emissions from plant storage pools, whereas the second release peak might result from greater formation de novo through an activated synthesis pathway.

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