TABLE 2.

Alignment of some selected cre sequences

Organism	Gene	Sequencea
Bacillus subtilis	amyE	TTAAA TGTAAGCG TTAACA AAATT
	xylA	TATTT TGGAAGCG TAAACA AAGTG
	gntR	CTGAT TGAAAGCG GTACCA TTTTA
B. megaterium	xylA	CATTT TGAAAGCG CAAACA AAGTT
Lactobacillus pentosus	xylA	GTTCT AGAAAGCG TTTACA AAAAT
L. caseib	lacT	ATAAA ATAAAACG TTTACA TTCTG
L. sakec	arcA	TTTAA AGTAAGCG TTATCA ATTGG
		CCCCC TGAAAGCGATTACCA TCGCG
Lactococcus lactis	sacB	ACTTC TGTAAGCG AAATCA TTTTA
Staphylococcus xylosus	xylA	TTTTA AGTAAGCG TTTACA AAAAA
Streptococcus mutans	fruA	GGATA AGATAGCG CTTACA ACATT
Consensus		WGNAASCG NWWNCA

^aSequences and consensus sequence from reference 11. 

^bActive cre site described by Gosalbes et al. (6). 

^ccre sequences found in the ADI promoter from L. sake (this work).