Table 1.

Primers characteristics used in this study.

Primer	Primer	Primer length (bp)	Sequence	Amplified fragment size (bp)	Reference
Flic-s	fliC	24	3′- CCCCCTTGACCATTCTACCGATA	183	Lim et al. (2003)
Flic-as		24	3′- CCGTATAGGACATTGTCAACGTCG
ST-139	invA	26	3′- AACGGGCTTGCACCGCTATTAAAGTG	284	Rhan et al. (1992)
ST-141		22	3′- CCAAGGAAACTGCCACGCTACT
FljB-s	fljB	24	3′- CCAATGTCTTCGGCATGGTAAGCA	526	Lim et al. (2003)
Flj-as		24	3′- GGCTTCAGCAATGATAGCTGCCAT
Rfbj-s	rfbJ	24	3′- CATAGTTCAACCTTGACCACGACC	663	Lim et al. (2003)
Rfbj-as		24	3′- ACGAATGGTTATTTCGGCCTTCGG