Citrate as a sole source of carbon is utilized by: (A) Staphylococcus, (B) Salmonella, (C) Shigella, (D) Escherichia
Answer is B. Citrate is used by salmonella as sole source of carbon But citrate test positive: Salmonella Typhimurium Salmonella Paratyphi A is citrate negative Ref: Elmer W Koneman 5th ed Pg 186