PPP1R15A and infection: These genes (ARRDC3, CIART, CSRNP1, EGR1, FAP, FOS, H2AC6, H2BC5, HIVEP2, JUN, MXD1, NR1D1, NR4A1, NR4A3, PPP1R15A, SOCS3, TIPARP and ZNF844) were individually tested to determine their relevance to infection efficiency.