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2018 ; 9
(ä): 177
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Visualization of the Nucleolus Using Ethynyl Uridine
#MMPMID29503656
Dvo?á?ková M
; Fajkus J
Front Plant Sci
2018[]; 9
(ä): 177
PMID29503656
show ga
Thanks to recent innovative methodologies, key cellular processes such as
replication or transcription can be visualized directly in situ in intact
tissues. Many studies use so-called click iT chemistry where nascent DNA can be
tracked by 5-ethynyl-2'-deoxyuridine (EdU), and nascent RNA by 5-ethynyl uridine
(EU). While the labeling of replicating DNA by EdU has already been well
established and further exploited in plants, the use of EU to reveal nascent RNA
has not been developed to such an extent. In this article, we present a protocol
for labeling of nucleolar RNA transcripts using EU and show that EU effectively
highlights the nucleolus. The method is advantageous, because the need to prepare
transgenic plants expressing fluorescently tagged nucleolar components when the
nucleolus has to be visualized can be avoided.