Early events in plant hypersensitive response revealed by IR thermography

Martine Boccara; Christine Boué; Rosine De Paepe; Albert-Claude Boccara

doi:10.1364/ECBO.2001.4434_183

Hybrid and Novel Imaging and New Optical Instrumentation for Biomedical Applications
Technical Digest Series (Optica Publishing Group, 2001),
paper 4434_183
•https://doi.org/10.1364/ECBO.2001.4434_183

Early events in plant hypersensitive response revealed by IR thermography

Martine Boccara, Christine Boué, Rosine De Paepe, and Albert-Claude Boccara

European Conference on Biomedical Optics 2001

Munich Germany
18–21 June 2001
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Novel Techniques for Microscopy and Spectroscopy (4434)

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M. Boccara, C. Boué, R. De Paepe, and A. Boccara, "Early events in plant hypersensitive response revealed by IR thermography," in Hybrid and Novel Imaging and New Optical Instrumentation for Biomedical Applications, Technical Digest Series (Optica Publishing Group, 2001), paper 4434_183.

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Abstract

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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