Laser Microdissection: A High-Precision Approach to Isolate Specific Cell Types from Any Plant Species for Downstream Molecular Analyses
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Cita bibliográficaTadeo, F. R., Agustí, J., Merelo, P. & Talón, M. (2023). Laser Microdissection: A High-Precision Approach to Isolate Specific Cell Types from Any Plant Species for Downstream Molecular Analyses. In: Couée, I. (ed.) Plant Abiotic Stress Signaling, 365-373.
Plants display a great diversity of particular cell types that obviously perform functions and regulations that are essential for successful growth and development, whether under optimal or adverse conditions. The functions performed by each of these particular cell types must be associated with specific transcriptomic, proteomic, and metabolic profiles that cannot be disentangled by analyzing whole plant organs and tissues. Laser microdissection is a technique for the collection of specific cell types in plant organs and tissues comprising heterogeneous cell populations. It has been successfully used for physiological and molecular studies. Laser microdissection can be applied to any plant species as long as it is possible to reliably identify the cell types of interest. Here, we describe step by step, using citrus as a model plant, a fast, simple, easy to perform, and experimentally validated protocol to collect cells from the abscission zone, a specific tissue that is difficult to access and whose activity is important in the response of plants to adverse environmental conditions.