Fig. 1

A A map of the plasmid NC8-pSIP409-pgsA'-p54; B a map of the plasmid NC8-pSIP409-pgsA'-p54-pIL-21; C the expression of the recombinant L. plantarum ASFV p54 protein and p54-pIL-21 fusion protein was verified by Western blot, lane 1: NC8-pSIP409-pgsA', lane 2: NC8-pSIP409-pgsA'-p54, lane 3: NC8-pSIP409-pgsA'-p54-pIL-21; D the expression of recombinant Lactobacillus plantarum was verified by immunofluorescence; E the anchored expression of the ASFV p54 protein and p54-pIL-21 fusion protein on the surface of Lactobacillus plantarum was verified by immunofluorescence