The most common gram-positive cocci of medical importance belong to Staphylococcus, Streptococcus, and Enterococcus genera. etc. Most organisms belonging to these genera are non-motile and do not...
Category: Bacteriology
The physiological reactions of microorganisms are crucial in species identification and differentiation. As enzymes catalyze all physiological reactions, detecting the enzyme produced is an essential...
Litmus milk is an undefined milk-based medium consisting of skim milk and the pH indicator azolitmin (litmus). Azolitmin is pink at pH 4.5 and blue at pH 8.3. Between these extremes, it is purple. In...
Malonate is an ionized form of malonic acid CH2(COOH)2, and its ester and salts. The medium for the malonate test contains sodium malonate. Malonate is a reversible inhibitor of succinate...
SXT (sulfamethoxazole-trimethoprim) susceptibility testing differentiates group A and B streptococci from other hemolytic streptococci. Group A and B streptococci are SXT resistant, whereas other...
Lactobacillus MRS Broth test is used to test gas production by Gram-positive rods in a glucose-containing medium. MRS is an acronym for the authors of this publication (De Mann JD, Rogosa, and...
