TABLE 2.

Primers used in this study

Primer	Sequencea	Reference(s)
Forward	5′-TG YGA YCC NAA RGC NGA-3′	44, 45
Reverse	5′-AD NGC CAT CAT YTC NCC-3′	44, 45
NHA1	5′-TCC ACT CGT CTG ATC CTG-3′	This study
NHA2	5′-CTC GCG GAT TGG CAT TGCG-3′	This study
GC clampb	5′-CGCCCGCCGCGCCCCGCGCCCGT CCCGCCGCCCCCGCCCG-3′	19

^aY = T or C; N = A, C, G, or T; R = A or G; and D = A, G, or T. 

^bThe GC clamp was attached to the 5′ end of the primer NHA1.