Genetic characterization of porcine circovirus type 2 in piglets from PMWS-affected and -negative farms in Thailand

Table 2 Classification of PCV2 strains based on nucleotides 262-267 of the ORF2 sequences

Isolates	Nucleotide sequence (262-267)	Subtype	Cluster	Origin	% identity^b	Accession number
AF201311 ^a	CCCCGC	PCV2b	1A	France	100%	AF201311
AY484407 ^a	CCCCGC	PCV2b	1B	Netherlands	100%	AY484407
THKUL74	CCCCGC	PCV2b	1A/B	Nakhon Pathom	98.9/99.8%^c	HQ735207
THKUB115	CCCCGC	PCV2b	1A/B	Ratchaburi	98.3/99.2% ^c	HQ735204
THKUB132	CCCCGC	PCV2b	1A/B	Ratchaburi	98.6/99.5% ^c	HQ735205
THKUB95	CCCCGC	PCV2b	1A/B	Chonburi	97.2/98.1% ^c	HQ735202
THKUB85	CCCCGC	PCV2b	1A/B	Chonburi	98.6/99.5% ^c	HQ735201
THKUSP	CCCCGC	PCV2b	1A/B	Ratchaburi	98.9/99.8% ^c	HQ735200
THKUB136	CCCCGC	PCV2b	1A/B	Nakhon Pathom	99.1/100%^c	HQ735206
AY864814 ^a	CCCCTC	PCV2b	1C	Thailand	100%	AY864814
THKUF49	CCCCTC	PCV2b	1C	Chonburi	98.6%	HQ701666
THKUL16	CCCCTC	PCV2b	1C	Chonburi	98.9%	HQ701665
THKUB98	CCCCTC	PCV2b	1C	Suphanburi	99.1%	HQ735203
AF201307 ^a	AAAATC	PCV2a	2	Germany	100%	AF201307

^aBoldface letters represent reference sequences.
^bComparison of the isolates in the first column and the reference nucleotide sequences in the identical group.
^cComparison of each individual Thai isolate and the reference sequences in cluster 1A (AF201311)/1B (AY4884407).

ISSN: 1743-422X