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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 6. — Effects of DNA ligase/Klenow fragment on minicircular DNA. Total DNA from H. triquetra was treated with T4 DNA ligase, as well as Klenow fragment followed with T4 DNA ligase, prior to Exo III digestion. Treated DNAs were resolved by PFGE and detected the minicircular DNA signals by Southern Blot. The two upper arrows indicated APBs in the untreated control lane. The two lower arrows indicated the putative monomer of psbA minicircle signals of ∼2–3 kb. DNA markers were linear DNAs from a commercial source (Invitrogen Corporation).