ArticleMethods in molecular biology (Clifton, N.J.)2027
Measuring Membrane Protein Dynamics in Plant Roots Using Fluorescence Correlation Spectroscopy.
Article in Methods in molecular biology (Clifton, N.J.), 2027. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Quantitative methods using imaging and spectroscopy offer valuable insights into cell biology and molecular biophysics by elucidating complex mechanisms across various cellular environments. Fluorescence correlation spectroscopy (FCS) is particularly advantageous for quantifying the dynamics of fluorescent particles in low-concentration samples. As a high-resolution spectroscopic method with single-molecule sensitivity, FCS is well-suited to investigating membrane proteins, molecular interactions, aggregation, and conformational changes in living systems, including plant cells. However, challenges such as background fluorescence and artifacts arising from biological sample properties require careful experimental design, thereby limiting the routine application of FCS in plant tissues. Recent advancements in technology, such as confocal optics and highly efficient photon detectors, have substantially enhanced FCS's sensitivity and expanded its capacity for single-molecule detection. These advancements now empower plant biologists to explore the dynamics of plant proteins under various conditions. This chapter focuses on methodologies in fluorescence autocorrelation spectroscopy (FACS/FCS) and their application to plant research, with a particular emphasis on plasma membrane proteins in Arabidopsis root cells.
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