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The Application of Flow Cytometry for Estimating Genome Size and Ploidy Level in Plants

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Molecular Plant Taxonomy

Part of the book series: Methods in Molecular Biology ((MIMB,volume 1115))

Abstract

Over the years, the amount of DNA in a nucleus (genome size) has been estimated using a variety of methods, but increasingly, flow cytometry (FCM) has become the method of choice. The popularity of this technique lies in the ease of sample preparation and in the large number of particles (i.e., nuclei) that can be analyzed in a very short period of time. This chapter presents a step-by-step guide to estimating the nuclear DNA content of plant nuclei using FCM. Attempting to serve as a tool for daily laboratory practice, we list, in detail, the equipment required, specific reagents, and buffers needed, as well as the most frequently used protocols to carry out nuclei isolation. In addition, solutions to the most common problems that users may encounter when working with plant material and troubleshooting advice are provided. Finally, information about the correct terminology to use and the importance of obtaining chromosome counts to avoid cytological misinterpretations of the FCM data are discussed.

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Pellicer, J., Leitch, I.J. (2014). The Application of Flow Cytometry for Estimating Genome Size and Ploidy Level in Plants. In: Besse, P. (eds) Molecular Plant Taxonomy. Methods in Molecular Biology, vol 1115. Humana Press, Totowa, NJ. https://doi.org/10.1007/978-1-62703-767-9_14

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  • DOI: https://doi.org/10.1007/978-1-62703-767-9_14

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  • Publisher Name: Humana Press, Totowa, NJ

  • Print ISBN: 978-1-62703-766-2

  • Online ISBN: 978-1-62703-767-9

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