Bacteriology

Sulfate reducing bacteria

These bacteria grow in anaerobic conditions. They can’t use oxygen as electron terminal acceptor. They reduce inorganic sulfate into hydrogen sulfide. Sulfur accepts the electron from ETC. Some microbes assimilate sulfur to fulfil their sulfur requirement. They may use organic sulfur to fulfil their requirement.

· askmicro
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Bacteriology

Atypical bacteria

Atypical bacteria are those bacteria that don’t stain with the staining as they don’t contain cell wall. These are microscopic organisms, are prokaryotic and can be observed through a microscope. Examples: Chlamydiaceae, Mycoplasmataceae

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Bacteriology

Pili bacteria

Pili bacteria are those bacteria that have the small hair-like appendages on the surface of bacteria. The pili have the following characteristics

· John F
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Bacteriology

Best pH for the growth of Bacteria

Bacteria need the optimal condition for their growth. Bacteria grow best at optimum temperature, optimum pH and optimum redox reaction. Bacteria grow best at neutral pH. There are three types of classification on the basis of pH. Neutrophiles Acidophiles Basidophiles.

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