红外热像仪揭示植物超敏反应的早期事件

Hybrid and Novel Imaging and New Optical Instrumentation for Biomedical Applications Pub Date : 1900-01-01 DOI:10.1364/ecbo.2001.4434_183

M. Boccara, C. Boué, R. de Paepe, A. Boccara

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引用次数: 0

摘要

利用红外热像仪揭示了烟叶中淀粉Erwinia amylovora harpin诱导的超敏反应(hypersensitive response, HR)的建立。我们观察到harpin渗透区温度下降(1 ~ 2℃)，与气孔开度增加相关，强烈表明温度下降是由于蒸腾速率增加所致。IRT实验在实验室环境下进行，可广泛应用于基因型筛选和药物效应监测。

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Early events in plant hypersensitive response revealed by IR thermography

Infrared thermography is used to reveal the establishment of Erwinia amylovora harpin-induced hypersensitive response (HR) in Nicotiana sylvestris leaves. We observed a decrease in temperature (1-2°C) in the harpin infiltrated zone, correlated with an increase in stomatal opening, strongly suggesting that the temperature decrease is due to higher transpiration rate. IRT experiments were conducted in a laboratory environment and could be widely applied for genotype screening and monitoring drug effects.

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Hybrid and Novel Imaging and New Optical Instrumentation for Biomedical Applications

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