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. Author manuscript; available in PMC: 2010 Dec 1.
Published in final edited form as: Histochem Cell Biol. 2009 Apr 18;132(2):129–140. doi: 10.1007/s00418-009-0599-8

Fig. 5.

Fig. 5

Time-dependent migration of BrUTP-rRNAs in comparison with Nopp140-positive sites within the nucleolus. Double immunofluorescence detection of BrUTP-labelled rRNAs (green, a and d) and Nopp140 (red, b and e) in HeLa cells cultured in medium without BrUTP for 5 min (a-c) and 15 min (d-f) after lipofection with BrUTP-FuGene-6 complexes and observed on single optical sections. Overlay of green and red signals (c and f). Bar is 5 μm