EIF2AK4 and infection: Analysis at the genus level by weighted UniFrac and PCoA did not show any pattern of clustering in any of the 4 mouse groups: eif2ak4+/+ + LF82, eif2ak4−/− + LF82, eif2ak4+/+ + PBS, eif2ak4−/− + PBS at day 1 and 4 post-infection (Fig. S1).