This post was most recently updated on August 26th, 2019Mycoplasma is the smallest (0.2 – 0.8 micrometers) free-living bacteria (light microscopy cannot detect it) that can pass through some filters (0.45-μm-pore-size) used to remove bacteria. […]
This post was most recently updated on February 7th, 2020Klebsiella pneumoniae is a Gram-negative rod shaped bacteria of genus Klebsiella and family Enterobacteriaceae. They are members of normal intestinal flora of humans and animals and may be isolated from […]
Superantigens are microbial peptides that can polyclonally activate a large fraction of T cells (up to 20%). They escape normal antigen processing by antigen presenting cells (APCs) and can directly bind to T cell receptor […]
This post was most recently updated on August 26th, 2019Proteus are Gram-negative rod-shaped bacteria of the family Enterobacteriaceae. They are widely distributed in nature and also occur as normal intestinal flora of humans. An opportunistic […]
This post was most recently updated on August 26th, 2019Gram staining requires the use of different chemical reagents which can be purchased in ready to use forms from commercial suppliers or gram stain reagents can […]
This post was most recently updated on August 26th, 2019Bacteria are often preserved in microbiology laboratory for many purposes such as to re-examine or to characterize further or to send to a national reference laboratory […]
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