DNMT3B and infection: DNMT3b was very pronounced and highly significantly decreased by MS 4 h p.i. (mean fold difference to negative control: 0.26, unpaired t-test, p < 0.001) and 8 h p.i. (mean fold difference to negative control: 0.34, unpaired t-test, p < 0.001) compared to the negative control and to infection with MAH.