TABLE 3.

Growth of the P. aeruginosa tol mutants with different carbon sources

Carbon source	Growth of P. aeruginosa strains
	H103	tol-1	tol-2	tol-4	tol-6
Arginine	++	−	−	+	+
Glucose	+++	−	+	+	++
Glycerol	++	+	−	+	++
Proline	++	−	+	++	++
Succinate	++	−	+	++	++

^aCulture cell density was determined after 20 h of incubation at 37°C in M9 minimal medium supplemented with different carbon sources. +++, OD₆₆₀ ≥ 2; ++, 0.7 ≤ OD₆₆₀ < 2; +, 0.2 ≤ OD₆₆₀ < 0.7; −, OD₆₆₀ < 0.2. The initial OD₆₆₀ of the cultures were 0.06 to 0.1.