TABLE 1.

Products of the P. profundum ToxR-regulated genes identified using RAP-PCR along with their expression characterization^a

Clone	Fragment length (bp)	Closest relative	P	ToxR conditionb	High-pressure gene expression (28 MPa/0.1 MPa)
					ToxR+	ToxR−
1-4	344	E. coli YaiC integral membrane protein	6 × 10−45	R	−/−	+/+
4-4	249	V. cholerae SMP integral membrane protein	0.52	A	−/−	+/−
2-5	279	E. coli ATP-binding cassette transporter	2 × 10−24	A	±/−	++/±
2-1	395	E. coli cyclopropane fatty acid synthase	0.41	A	+/++	−/−
2-11	223	P. falciparum acyl carrier protein	0.028	A	++/±	+/±
2-2	365	E. coli ChpA	6 × 10−04	A	−/++	++/+
2-8	378	V. cholerae HF-1	4 × 10−28	A	+/++	++/+
2-6	238	V. cholerae PepD histidine dipeptidase	2 × 10−23	A	++/+	+/+

^aP values (26) were obtained from BLASTX (1). Relative levels of gene expression are based upon the data presented in Fig. 4 and progress from no detectable transcripts (−) to highest levels of transcript abundance (++). 

^bR, repression; A, activation.