Last updated on May 30th, 2021Mycoplasma 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. It has the smallest […]
Last updated on June 25th, 2021Klebsiella pneumoniae is a Gram-negative rod-shaped bacteria of genus Klebsiella and the family Enterobacteriaceae. They are members of normal intestinal flora of humans and animals and may be isolated from a variety of environmental […]
Last updated on May 30th, 2021Superantigens 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 […]
Last updated on June 21st, 2021Proteus 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 pathogen, they are one […]
Last updated on June 1st, 2021Gram staining requires the use of different chemical reagents which can be purchased in ready-to-use forms from commercial suppliers or can be prepared at the laboratory by mixing different chemicals […]
Last updated on June 11th, 2021Bacteria are often preserved in microbiology laboratories for many purposes such as to re-examine or to characterize further or to send to a national reference laboratory for confirmation etc. Selection […]
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