Volume 19, Number 7—July 2013
Research
Mutation in Spike Protein Cleavage Site and Pathogenesis of Feline Coronavirus
Table 1
Status of cats sampled for feline coronavirus and mutations in spike protein cleavage site*
FECV-infected cats | FIPV-infected cats | Total | |
---|---|---|---|
Cats harboring viruses with >1 mutated S1/S2 site | 2 | 10 | 12 |
Cats harboring viruses with an intact S1/S2 site | 28 | 1 | 29 |
Total | 30 | 11 | 41 |
FECV, feline enteric coronavirus; FIPV, feline infectious peritonitis; S1, receptor-binding domain of spike; S2, fusion domain of spike.
1These authors contributed equally to this article.