Analysis of the organization of the region upstream of orf355/orf77 in revertants with the ψΔ inversion.

<p>(<b>A</b>) Predicted PCR products for primer sets listed in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0023405#pone-0023405-t001" target="_blank">Table 1</a>. PCR products for primer sets 1–6 are shown in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0023405#pone-0023405-g003" target="_blank">Figure 3</a>. (<b>B</b>) PCR of CMS-S (S) mtDNA and two revertants (Rev1 and Rev2). Primer sets 9 and 10 amplify from <i>orf355</i> into ψ<b>Δ</b>, encompassing either the cox2 gene (Set10) or its promoter region (Set 9). Both products are specific for the inverted orientation of the <i>cox2</i> region present in the two revertants.</p>

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