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Figure 3 | Retrovirology

Figure 3

From: Genome-wide amplification of proviral sequences reveals new polymorphic HERV-K(HML-2) proviruses in humans and chimpanzees that are absent from genome assemblies

Figure 3

Detection of structural variation at HERV-K(HML-2) loci. (A) Formation of alleles and strategy for independent amplification of structural variations in novel human HERV-K(HML-2) proviral loci. Primer binding sites are indicated by arrows (). The locus specific primer combination a + b amplifies the pre-insertion site and solo LTR. Primer combination a + GAG amplifies the 5′ LTR of a full-length provirus and ENV + b the 3′ LTR. (B) Composite agarose gels of locus specific amplification for allelic variation. Numbers on the left correspond to the co-migrating DNA size marker (kb). Samples are the same as used in Figure 1D, with humans in a different order. The identity of each band was confirmed by DNA sequencing. Refer to Additional file 7 for un-cropped gel images.

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