Klebsiella on MacConkey

Klebsiella characteristics on MacConkey Agar

Klebsiella pneumoniae basic characteristics: GRAM-NEGATIVE RODS NON-MOTILE NON-SPORE-FORMING CATALASE: POSITIVE OXIDASE: NEGATIVE FACULTATIVELY ANAEROBIC Klebsiella will produce ...
WBC in stool (Fecal Leukocytes)

Leukocytes in Stool (Fecal leukocytes)

The presence of leukocytes in Stool is indicator of inflammation as a result of bacteria. Leukocytes analysis is useful for the differentiation of bacillary dysentery, demonstrating ...

Klebsiella, Enterobacter and Escherichia coli on EMB Agar

Klebsiella Characteristic mucoid colonies are a consequence of the organism’s abundant polysaccharide capsule. Lactose-fermenting colonies Escherichia coli colonies Lactose-fermenting ...

Gram Negative Diplococci

Gram negative diplococci extracellular and intracellular in neutrophils. If the smear was taken from urethral discharge, it strongly suggestive of Neisseria gonorrhoeae.

Robertson’s Cooked Meat Medium

The Medium provides a favorable environment for the growth of anaerobes since the muscle protein in the heart tissue granules is a source of amino acids and other nutrients. The muscle ...

Terminal bulging spores of Clostridium tetani

Clostridium tetani is a Gram-positive, sporeforming, rod-shaped bacterium that is resistant to temperature modifications, moisture, and chemical disinfectants. C. tetani is strictly ...

Triple Sugar Iron Agar

Triple Sugar Iron medium is a differential medium that can distinguish between a number of Gram-negative enteric bacteria based on their physiological ability (or lack thereof) to: a. ...

Coagulase Test

Staphylococcus aureus is known to produce coagulase, which can clot plama into gel in tube or agglutinate cocci in slide. This test is useful in differentiating S.aureus from other ...

Catalase Test

The catalase test is used to differentiate staphylococci (catalase-positive) from streptococci (catalase-negative). The enzyme, catalase, is produced by bacteria that respire using ...

Citrate utilization Test

Simmons citrate agar tests the ability of organisms to utilize citrate as a carbon source. Simmons citrate agar contains sodium citrate as the sole source of carbon, ammonium dihydrogen ...

Swarming growth on Blood Agar

Swarming or spreading in wave form is seen with motile organisms particularly Proteus mirabilis. Cause of swarming – The flagella of bacteria are naturally set to spin counter-clockwise ...

Blue Diaper syndrome

Blue diaper syndrome is a rare, autosomal recessive metabolic disorder characterized in infants by bluish urine-stained diapers. It is caused by a defect in tryptophan absorption. ...
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