1887

Abstract

Summary

Proteins consisting of one, two or four copies of the amino acid sequence 137 to 162, which contains the major immunogenic site of VP1 of foot-and-mouth disease virus, attached to the N-terminus of β-galactosidase have been expressed in cells. In guinea-pigs the protein containing one copy (P71) of the viral determinant elicited only low levels of neutralizing antibody whereas protective levels were elicited by the proteins containing two (P72) or four (P74) copies of the determinant. Single inoculations of the P72 and P74 proteins containing as little as 2 µg or 0.8 µg of peptide respectively were sufficient to protect all the animals against challenge infection. Moreover, the equivalent of 40 µg of peptide in P74 protected pigs against challenge infection after one inoculation.

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/content/journal/jgv/10.1099/0022-1317-68-12-3137
1987-12-01
2019-10-20
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http://instance.metastore.ingenta.com/content/journal/jgv/10.1099/0022-1317-68-12-3137
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