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. 2009 Feb 10;37(6):1991–2002. doi: 10.1093/nar/gkp063

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© 2009 The Author(s)

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/2.0/uk/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 3. — Effects of Topo II and aphidicolin on the minicircle DNA. (A) Topo II-treated whole-DNA extract from H. triquetra, and positive control of untreated whole DNA, were subjected to PFGE, and detected with 1.1-kb psbA NCR fragment. (B) Aphidicolin-treated whole-DNA extracts collected after 12- and 18-h incubation (with parallel untreated controls) were hybridized with the same probe after PFGE. DNA markers were linear DNAs from a commercial source (Invitrogen Corporation).