Abstract
Recent evidence has demonstrated that specific epigenetic changes are also related to plant growth and development. Immunostaining enables the detection and characterization of chromatin modification, e.g., histone H4 acetylation (H4K5ac), histone H3 methylation (H3K4me2 and H3K9me2), and DNA methylation (5mC) with unique and specific patterns in plant tissues. Here we describe experimental procedures to determine the histone H3 methylation (H3K4me2 and H3K9me2) patterns in 3D-chromatin in whole roots tissue and 2D-chromatin in single nuclei in rice. To analyze both iron and salinity treatments, we show how to test for changes to the epigenetic chromatin landscape using heterochromatin (H3K9me2) and euchromatin (H3K4me) markers for chromatin immunostaining, especially in the proximal meristem region. To elucidate the epigenetic impact of environmental stress and external plant growth regulators, we demonstrate how to apply a combination of salinity, auxin, and abscisic acid treatments. The results of these experiments provide insights into the epigenetic landscape during rice root growth and development.
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Acknowledgments
This work was supported by JSPS and DAAD under the Japan-Germany Research Cooperative Program (JPJSBP-120223504) to NO.
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© 2023 The Author(s), under exclusive license to Springer Science+Business Media, LLC, part of Springer Nature
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Ohmido, N., Polosoro, A. (2023). Chromatin Immunostaining of Plant Nuclei. In: Heitkam, T., Garcia, S. (eds) Plant Cytogenetics and Cytogenomics. Methods in Molecular Biology, vol 2672. Humana, New York, NY. https://doi.org/10.1007/978-1-0716-3226-0_14
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DOI: https://doi.org/10.1007/978-1-0716-3226-0_14
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Online ISBN: 978-1-0716-3226-0
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