Bacillus anthracis is a mesophilic, Gram-positive, aerobic, catalase-positive, rod-like and spore-forming bacterium that causes anthrax in both humans and animals (e.g. goats, cattle and sheep). Due to their ubiquity in the soil, microbes in the genus Bacillus are often referred to as a normal flora of the soil. B. anthracis is very unique amongst other […]
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Bacteriology
All bacterial cells are extremely infinitesimal (i.e. microscopic), and are never visible to the naked eyes. Bacteria exist in different sizes and shapes which may range from 0.1 µm to 0.3 µm wide and 1 µm to 10 µm in length depending on whether they are rod or spherical in shape (Figure 1). Bacteria occur
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Bacteriology
Robert Koch, a German scientist was the first medical microbiologist. Koch was also the first to establish the actual relationship between the causative agent of a disease and the disease condition itself. Koch ushered in the beginning of bacteriology, an important field in microbiology that studies bacteria; and he is thus regarded as the father
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General Microbiology