Table 3.

Utilization of sulfur sources by B. cenocepacia 715j (wild type) and ssuR-null mutant

Sulfur source	Growth for indicated B. cenocepacia straina
	715j	ssuR-null mutant
Sulfate	+++	+++
Sulfite	+++	+++
Thiosulfate	+++	+++
Sulfide	+++	+++
l-Cystine	+++	+++
l-Djenkolic acid	+++	+++
l-Methionine	+++	+
Ethanesulfonate	+++	−
Taurine	+++	−
SDS	+++	−
DMSO	+++	−
Benzenesulfonate	+++	−
p-Nitrophenyl sulfate	+++	−
N-Acetylglucosamine-6-sulfate	+++	−
N-Acetylgalactosamine-6-sulfate	+++	−
Heparan sulfate	+	−
Chondroitin-6-sulfate	+++	−

^aBacterial growth was determined spectrophotometrically following overnight growth at 37°C. +++, full growth (A₆₀₀ > 1.5); +, partial growth (A₆₀₀, 0.3 to 0.4); −, no growth (A₆₀₀ < 0.05).