Table 1.

Primers used in this study

Primer	Sequence
tfsA 23-1179for	5′ GGGC↓CATGGATGCGCGACCCTTTTACG 3′
tfsA 23-1179rev	5′ GGGGC↓GGCCGCTTATTTTACTACAGCTTTCACTGCATTC 3′
tfsB 28-1364for	5′ GGGGGTCTCC↓CATGGCACAAATAGCACTGGAGCAAC 3′
tfsB 28-1364rev	5′GGGGC↓GGCCGCTTACTTCACCATCGCTTTTACAGC 3′
Af6	5′ GGGCCATGGATGCGCGACCCTTTTACG 3′
Br6	5′ GGGGCGGCCGCCTTCACCATCGCTTTTACAGC 3′
TfsA_RT2_for	5′ CCTATCACCGATACGGTAAGAG 3′
TfsA_RT2_rev	5′ CCGGATTATCGGAACCTATGG 3′
TfsB_RT1_for	5′ CTGAGCAATGGCGAACAATATCGG 3′
TfsB_RT2_rev	5′ GTTGAGCACTCGGAGTCAAG 3′

Restriction enzyme recognition sites are underlined; restriction sites are indicated by an arrow