Neisseria meningitides
The genus Neisseria consists of Gram negative, aerobic non sporulation, nonmotile, oxidase positive cocci typically arranged in pairs (diplococci). Neisseria
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Medical Microbiology & RDT Labs
RDT Labs Blog / Magazine
Month: August 2022
Pneumococci
Pneumococci were first noticed in 1881 by Pasteur and Sternberg independently. They produce a fatal septicemia in rabbit by inoculating
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Streptococcus pyogenes
Morphology The individual cocci of streptococcus pyogenes are spherical or oval having size of 0.5 – 1.0 micrometer in diameter.
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Streptococci 
Streptococci are Gram positive cocci those arrange in chains or pairs. Streptococci found in normal flora of humans and other
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Micrococci
These are Gram positive cocci which occur mostly in pairs, tetras or irregular clusters. In biochemical reactions micrococci are catalase
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Staphylococcus Aureus 
Staphylococci are gram positive cocci that typically occur in grape-like clusters. Staphylococcus aureus is one of pathogen in humans normal
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Staphylococci
Staphylococci are Gram positive cocci that occur in grape-like clusters. They are ubiquitous (present, appearing, or found everywhere) and form the
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Immunosuppressive Agents
These are substance those inhibit the immune response. These are useful in certain situations like transplantation, when it becomes necessary
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Factors Influencing Antibody Production
When a foreign antigen entered in body, immune system respond against it by producing antibody. There are certain factors those
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Monoclonal Antibodies
A single antibody forming cell or clone produces antibodies specifically directed against a single antigen or antigenic determinate only. However,
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