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Nitrifying Bacteria—The Important Player of Nitrogen Cycle: Nitrogen in the form of N2 makes 78% of the atmosphere. It makes up the structure of living organisms. Nitrogen is present in proteins and DNA of living organisms. But despite such an abundance ...
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Encapsulated bacteria are those bacteria that contain polysaccharide capsule around their cell wall Examples: Streptococcus pneumonia, Hemophilus influenza Characteristics: This capsule can be found either on gram positive or gram negative bacteria. The capsule is different from the cell wall of bacteria. It is ...
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Denitrifying bacteria are those bacteria that can convert the nitrate into free nitrogen. These bacteria consume the soil nitrate and convert into free nitrogen thus decrease the fertility of the soil. Examples of denitrifying bacteria: Pseudomonas aeruginosa, Thiobacillus denitrificans. Habitat: These bacteria are usually ...
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Enteric bacteria are those bacteria that are present in the intestine. They belong to family Enterobacteriacea. They are gram negative rods, oxidase positive, catalase positive, non-spore former, can grow in the presence of bile salts, they are facultative anaerobes. They ...
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Anaerobic bacteria are those bacteria that cannot survive in the presence of oxygen Examples: Clostridium, Propionibacterium and Actinomycetes etc. Classification: There are three types of anaerobic bacteria. Obligate anaerobes: Obligate aerobes can’t survive in the presence of oxygen. They immediately die if oxygen is present ...
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