HYDROGEN SULPHIDE TEST

June 17, 2020 Microbiology 0

Hydrogen sulphide test is used to identify bacteria that produce the gas, hydrogen sulphide (H2S). Hydrogen sulphide (H2S) production test is used for the detection […]

BLOOD AGAR HAEMOLYSIS TEST

June 17, 2020 Microbiology 0

Blood agar haemolysis is used to determine the haemolytic ability of some pathogenic microorganisms including Streptococcus pneumoniae, Staphylococcus aureus and Micrococcus species. Some pathogenic bacteria […]

TRIPLE SUGAR IRON AGAR (TSIA)

June 17, 2020 Microbiology 0

Triple sugar iron agar (TSIA) is a differential agar medium used to different lactose-fermenting Enterobacteriaceae from non-lactose fermenting enterobacteria. The medium usually contains three sugars […]

CITRATE TEST

June 17, 2020 Microbiology 0

Citrate test is used to identify Enterobacteriaceae that utilize citrate or citric acid as their sole carbon and energy source. Simmon’s citrate agar or citrate […]

UREASE TEST

June 17, 2020 Microbiology 0

Urease test is used to detect and differentiate Enterobacteriaceae that produce urease enzymes from those that do not. The urease test is used to determine […]

INDOLE TEST

June 8, 2020 Microbiology 0

Indole test is used to identify Enterobacteria that breakdown tryptophan (an amino acid) to produce indole. The indole test is a biochemical test performed on […]

OXIDASE TEST

June 8, 2020 Microbiology 0

Oxidase test is used to identify microorganisms that produce the enzyme, cytochrome-C oxidase. Cytochrome-C oxidase, a respiratory enzyme is an important enzyme of the electron […]

CATALASE TEST

June 8, 2020 Microbiology 0

Catalase test is used to identify microorganisms that produce the enzyme called catalase. It is used to differentiate catalase-producing organisms (e.g. Staphylococcus species) from non-catalase […]