Genomic Changes in an Attenuated ZB Strain of Foot-and-Mouth Disease Virus Serotype Asia1 and Comparison with Its Virulent Parental Strain

Table 2

Nucleotide mutations of ZBCF22 and their attenuated strains in untranslated regions (UTRs)^†.

Region	Position*	ZBCF22	ZBRF168	ZBRF188	ZB/CHA/58(att)	YNBS/58	Corresponding residue in ref.
5′-UTR	573	C	G	G	G	C	G
3′-UTR	24	G	A	A	G	G	G

Excluding poly(C) tract in the 5′-UTR fragment.
*Nucleotides position corresponds to the nucleotide sequence of the ZB/CHA/58(att).