TABLE 1.

Primers used

Name	Sequence (5′-3′)
CBPPE	GGAGCGATAACCTTGGAGAAAAG
LACZPE	CGACGGGATCTTCGACTCTAGA
PUC19F	ATACCGCATCAGGCGCC
UCURAT	CCGAATTGTGCAGGTCGACTCTAGAGG
URATERMF	ACCTGCACAATTCGGCGTCCCAACTGC
SPH1URA	ACATGCATGCGGATGTGCTGTATCGCATCG
BAMURAP	CGGGATCCAAGCTTTATATAAACTTGAGAG
XBAURAP	GCTCTAGACATTGTAGCAATTCCCGCT
CBP1	CGGGATCCGAACGAACCAATCAGAACAC
CBP5	GCTCTAGACATTTTGAATGACGAAGTGG
CBP8	CGGGATCCGCGTAATGAAAAACGAAGTCG
CBP9	CGGGATCCCCTATTAAATATCGTACAGTA
CBP10	CGGGATCCTACCCCGCCATAGCGAATTG
CBP12	CGGGATCCTTATACTGATGTCTGAACAAT
CBPAR	GACATGCACGTAGTCTGGCGGGGTATGACTTCTG
CBPAF	GACTACGTGCATGTCTTTCATGTTGCAAGGGCTAA
CBPBR	GACATGCACGTAGTCAACCATGAAAGAAGCCAATTC
CBPBF	GACTACGTGCATGTCTAATGTTCAACACAAAAGTTC
CBPCR	GACATGCACGTAGTCTTGAACATTAAAGTTTAGCCC
CBPCF	GACTACGTGCATGTCTAACCAATGGTCACTAACTT
CBPDR	GACATGCACGTAGTCCCATTGGTTAACTTGAACTT
CBPDF	GACTACGTGCATGTCTCCTATTAAATATCGTACAGT
BglII linker	GAAGATCTTC