Light triggers changes in plant nuclear architecture to control differentiation, adaptation, and growth. A series of genetic, molecular, and imaging approaches have revealed that the nucleus forms a hub for photo-induced protein interactions and gene regulatory events. However, the mechanism and function of light-induced nuclear compartmentalization is still unclear. This chapter provides detailed experimental protocols for examining the morphology and potential functional significance of light signaling components that localize in light-induced subnuclear domains, also known as photobodies. We describe how immunolabeling of endogenous proteins and fluorescent in situ hybridization (FISH) could be combined with confocal imaging of fluorescently tagged proteins to assess co-localization in Arabidopsis nuclei. Furthermore, we employ a super-resolution imaging approach to study the morphology of photobodies at unprecedented detail.

Photobody Detection Using Immunofluorescence and Super-Resolution Imaging in Arabidopsis / G. Perrella, A. Zioutopoulou, A. Hamilton, E. Kaiserli (METHODS IN MOLECULAR BIOLOGY). - In: Plant Photomorphogenesis / [a cura di] R. Yin, L. Li, K. Zuo. - [s.l] : Humana Press, 2021 Feb. - ISBN 978-1-0716-1369-6. - pp. 7-19 [10.1007/978-1-0716-1370-2_2]

Photobody Detection Using Immunofluorescence and Super-Resolution Imaging in Arabidopsis

G. Perrella;
2021

Abstract

Light triggers changes in plant nuclear architecture to control differentiation, adaptation, and growth. A series of genetic, molecular, and imaging approaches have revealed that the nucleus forms a hub for photo-induced protein interactions and gene regulatory events. However, the mechanism and function of light-induced nuclear compartmentalization is still unclear. This chapter provides detailed experimental protocols for examining the morphology and potential functional significance of light signaling components that localize in light-induced subnuclear domains, also known as photobodies. We describe how immunolabeling of endogenous proteins and fluorescent in situ hybridization (FISH) could be combined with confocal imaging of fluorescently tagged proteins to assess co-localization in Arabidopsis nuclei. Furthermore, we employ a super-resolution imaging approach to study the morphology of photobodies at unprecedented detail.
Photobodies; Light signaling; Arabidopsis; Nuclear localization; Immunofluorescence; Super-resolution imaging
Settore BIO/18 - Genetica
feb-2021
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/920891
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