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Discuss the medical significance of the IMViC series of tests?
The IMViC series of tests provides an identification of the principal groups of Enterobacteriaceae that cause intestinal infections, by using the biochemical properties and their enzymatic reactions to specific substrates
What is the plural of streptococcus?
streptococci
What enzyme distinguishes staphylococci from streptococci?
The enzyme catalase distinguishes staphylococci from streptococci. Staphylococci produce catalase, which breaks down hydrogen peroxide into water and oxygen, while streptococci do not produce catalase. This difference in catalase production allows for a simple biochemical test to differentiate between these two bacteria.
What does steptococci mean?
Streptococci is a type of bacteria that is commonly found in the human body. Some streptococci can cause infections, such as strep throat, pneumonia, and skin infections. Streptococci are classified based on their cell wall components and the specific type can determine the severity of the infection they cause.
How IMViC tests differentiate Escherichia coli from Enterobacter aerogenes?
Indol Test ( Kovac's Reagent): E.a. = negative = yellow/gold ring at meniscus; as for E.c. = positive = red ring at meniscus (immediate change). Methyl Red Test (Methyl Red Reagent): E.a. = negative = yellow = pH > 7.0; as for E.c. = red color = pH < 5 (immediate change). Vogues-Proskauer Test (Napthol + KOH Reagent): E.a. = positive = reddish color (not immediate change); as for E.c. = negative = brown/yellow (straw color). Citrate (Bromothymol Blue Reagent - alkaline pH): E.a. = positive = blue color + growth; as for E.c. = negative = green color.
Discuss the medical significance of the IMViC series of tests?
The IMViC series of tests provides an identification of the principal groups of Enterobacteriaceae that cause intestinal infections, by using the biochemical properties and their enzymatic reactions to specific substrates
What is the IMViC test results for Ecoli?
IMVIC farmula for e.coli is ++--
How is quality control performed in IMViC?
Quality control in IMViC (Indole, Methyl Red, Voges-Proskauer, and Citrate tests) is performed by using control strains that provide known results for each test. These control organisms ensure the reliability of the test results and help identify any inconsistencies in the testing procedure. Regular calibration of equipment and adherence to standardized protocols further support the accuracy and validity of the IMViC tests. Additionally, periodic reviews and documentation of results contribute to maintaining quality assurance in the microbiological analysis.
What is the plural of streptococcus?
streptococci
Which streptococci are implicated in the development of dental caries?
The viridans streptococci
Are staphylococci bacteria that form a chain?
No, Streptococci are bacteria that form chains.
What is the scientific name for streptococci?
Streptococci are bacteria that belong to the genus Streptococcus. There are 27 species of Streptococcus bacteria. The most well known bacteria in the group is Streptococcus pyogenes which is the bacteria that causes Strep throat.
What is the plural form of the word streptococcus?
The plural of streptococcus is streptococci.
What is the form is a bacteria?
streptococci
Why do alpha streptococci produce a green color on blood agar?
All of the different streptococci are organized into three groups based on how they break down red blood cells, a process called hemolysis. The group of streptococci that perform alpha hemolysis are called alpha streptococci. In alpha hemolysis, the hydrogen peroxide produced by the streptococci oxidizes the blood's hemoglobin, turning it into methemoglobin, which is green in color.
Why do alpha streptococci produce green color on blood agar?
All of the different streptococci are organized into three groups based on how they break down red blood cells, a process called hemolysis. The group of streptococci that perform alpha hemolysis are called alpha streptococci. In alpha hemolysis, the hydrogen peroxide produced by the streptococci oxidizes the blood's hemoglobin, turning it into methemoglobin, which is green in color.
What causes Sydenhams's?
Sydenham's is caused by certain types of streptococci called Group A beta-hemolytic streptococci or GAS bacteria.
