Extra perspectives of 5-ethynyl-2′-deoxyuridine click reaction with fluorochrome azides to study cell cycle and deoxyribonucleoside metabolism

Extra perspectives of 5-ethynyl-2′-deoxyuridine click reaction with fluorochrome azides to... Beginning with the pioneering work of Salic and Mitchison (2008), the application of thymidine analogue 5-ethynyl-2′-deoxyuridine (EdU) for the detection of cells replicating DNA is actively expanding. Being incorporated into DNA, this nucleoside after click reaction of azide-alkyne cycloaddition with azides of fluorochromes can be easily detected by fluorescence. Recently, protocols of EdU application in combination with click reaction adapted for plant cells appeared, and they are help for a monitoring S-period of the cell cycle in the root meristems and in vitro cultured cells with the help of a microscope and flow cytometer. In this work, we focused some details of developed methods and their modifications and also recommended new protocols. In particular, we suggested combining EdU incorporation into the cells replicating DNA with subsequent isolation of protoplasts from them and their preparation for the microscopic analysis and flow cytometry. In addition, the method of determination of EdU phosphorylation dynamics in the cells in vivo is suggested. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

Extra perspectives of 5-ethynyl-2′-deoxyuridine click reaction with fluorochrome azides to study cell cycle and deoxyribonucleoside metabolism

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Publisher
Springer Journals
Copyright
Copyright © 2014 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Plant Physiology; Plant Sciences
ISSN
1021-4437
eISSN
1608-3407
D.O.I.
10.1134/S1021443714060144
Publisher site
See Article on Publisher Site

Abstract

Beginning with the pioneering work of Salic and Mitchison (2008), the application of thymidine analogue 5-ethynyl-2′-deoxyuridine (EdU) for the detection of cells replicating DNA is actively expanding. Being incorporated into DNA, this nucleoside after click reaction of azide-alkyne cycloaddition with azides of fluorochromes can be easily detected by fluorescence. Recently, protocols of EdU application in combination with click reaction adapted for plant cells appeared, and they are help for a monitoring S-period of the cell cycle in the root meristems and in vitro cultured cells with the help of a microscope and flow cytometer. In this work, we focused some details of developed methods and their modifications and also recommended new protocols. In particular, we suggested combining EdU incorporation into the cells replicating DNA with subsequent isolation of protoplasts from them and their preparation for the microscopic analysis and flow cytometry. In addition, the method of determination of EdU phosphorylation dynamics in the cells in vivo is suggested.

Journal

Russian Journal of Plant PhysiologySpringer Journals

Published: Oct 12, 2014

References

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