SLC2A1 and infection: GLUT1 transcription was significantly increased in the jejunum of the trickle-infected group and the ileum of both infection groups at 21 dpi as well as in the jejunum of the trickle-infected and in the ileum of the single-infected group at 35 dpi (Figs. 1a, d, 2a, d, Tables 7, 8).