Abstract
Peroxisome is an essential single-membrane bound organelle in most eukaryotic cells and functions in diverse cellular processes. De novo formation, division, and turnover of peroxisomes contribute to its biogenesis, morphology, and population regulation. In plants, peroxisome plays multiple roles, including metabolism, development, and stress response. Defective peroxisome biogenesis and development retard plant growth, adaption, and reproduction. Through tracing the subcellular localization of fluorescent reporter tagged matrix protein of peroxisome, fluorescence microscopy is a reliable and fast way to detect peroxisome biogenesis. Further fine-structural observation of peroxisome by TEM enables researchers to observe the detailed ultrastructure of its morphology and spatial contact with other organelles. Pollen grain is a specialized structure where two small sperm cells are enclosed in the cytoplasm of a large vegetative cell. Two features make pollen grain a good system to study peroxisome biogenesis: indispensable requirement of peroxisome for germination on the stigma and homogeneity. Here, we describe the methods of studying peroxisome biogenesis in Arabidopsis pollen grains by fluorescent live-imaging with confocal laser scanning microscopy (CLSM) and by DAB-staining based transmission electron microscopy (TEM).
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Acknowledgment
This work is supported by the grant from the National Natural Science Foundation of China (31571385, 2013CB945103 and 31330053).
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Jia, PF., Li, HJ., Yang, WC. (2017). Analysis of Peroxisome Biogenesis in Pollen by Confocal Microscopy and Transmission Electron Microscopy. In: Schmidt, A. (eds) Plant Germline Development. Methods in Molecular Biology, vol 1669. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-7286-9_14
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DOI: https://doi.org/10.1007/978-1-4939-7286-9_14
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Online ISBN: 978-1-4939-7286-9
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