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Stress Response Monitoring of Photoautotrophic Higher Plant Suspension Cultures by Fluorescence Imaging for High-Throughput Toxic Compound Screening

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DOI: 10.4236/jep.2017.86044    721 Downloads   1,058 Views Citations

ABSTRACT

Photoautotrophic suspension cultures have been established from various model and crop plants and proved to be valuable and robust experimental system to assess coordinated responses of primary and secondary metabolism to metabolic and stress related signals. The use of suspension cultures combines the ease of handling microalgae in microtiter plates with the advantage of testing physiological responses of higher plants, notably in combination with the assessment of the response of photosynthetic activity by PAM chlorophyll fluorescence imaging as well as monitoring changes in secondary metabolite production and ROS formation by steady state fluorescence of plant fluorophores or introduced fluorescent probes. Photoautotrophic cultures provide various advantages as fast, highly sensitive, robust and high-through-put experimental system for screening and characterization of the impact of toxic compounds on higher plants. This opinion article discusses and critically evaluates the potential of photoautotrophic cultures of higher plants in combination with fluorescence imaging assays in microtiter plates as a complement to existing guidelines for testing the toxicity of chemicals in plants.

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Segečová, A. , Červený, J. and Roitsch, T. (2017) Stress Response Monitoring of Photoautotrophic Higher Plant Suspension Cultures by Fluorescence Imaging for High-Throughput Toxic Compound Screening. Journal of Environmental Protection, 8, 678-692. doi: 10.4236/jep.2017.86044.

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