qPCR analysis shows that <i>piwi</i> RNA is differentially regulated in <i>S</i>. <i>mansoni</i> infected in <i>B</i>. <i>glabrata</i> snails depending on their susceptibility phenotypes as follows: Panel A, resistant BS-90 stock; B, susceptible NMRI stock; and C, susceptible BB02 stock.

<p>qPCR was performed as previously reported by Ittiprasert and colleagues (2009) with the following primers: 5′-GTCACACCTACCAGCTACAATG and 3′-GGTTCCCTGCCAGTTGAAATA. NMRI, Naval Medical Research Institute.