Variation in the ILTV -ICP4 gene nucleotide

Isolates	Nucleotide in Position (ICP 4 gene) From position 180-867
Isolates	92	93	94	95	96	97	98	99	100	101	102	103	258	276	416	434	632	638	639	640	644	663
USDA Ref. Strain	C	G	G	C	C	C	A	A	G	A	C	G	G	A	C	-	G	-	-	-	C	A
TCO Vac. Strain	C	G	G	C	C	C	A	A	G	A	C	G	G	A	C	-	G	-	-	-	C	A
Strain 1874 (USA)	C	G	G	C	C	C	A	A	G	A	C	G	G	G	A	G	A	-	-	-	C	A
Live Atn. Serva vaccine strain	-	-	-	-	-	-	-	-	-	-	-	-	A	A	C	-	G	-	-	-	C	A
CEO Vaccine High Egg passage	-	-	-	-	-	-	-	-	-	-	-	-	A	A	C	-	G	-	-	-	C	A
CEO low egg passage Vaccine	-	-	-	-	-	-	-	-	-	-	-	-	A	A	C	-	G	-	-	-	C	A
BD-Vaccine isolate	-	-	-	-	-	-	-	-	-	-	-	-	A	A	C	-	G	-	-	-	C	A
BD Field isolate	-	-	-	-	-	-	-	-	-	-	-	-	A	A	C	-	A	G	C	A	M	M

Table 4: Variation in the ILTV -ICP4 gene nucleotide sequences at different nucleotide sites among reference sequences as well as sequence of vaccine and filed isolate of Bangladesh.