Figure 1.
PCR based screen for presence of Demodex 16S rDNA in samples with no visually identifiable mites.
Lanes labeled 1–29 represent samples from single individual participants. Lanes labeled M represent 100 bp molecular weight size markers. (a) PCR products indicate the presence of Demodex DNA in 100% of the screened samples from individuals over the age of 18. (b) PCR products indicate the presence of Demodex DNA in 70% of the screened samples from individuals 18 years of age.
Table 1.
Demodex mite species identification based on 18S rDNA gene sequence.
Figure 2.
Maximum likelihood (ML) phylogeny of mites based on 18S rDNA sequences.
Support values (Bayesian posterior probabilities/ML bootstrap support) given next to major nodes in the topology. Scale bar indicates the number of substitutions per site. Icons indicate mite host.