![]() ![]() ⇒ There are various culture media used for the cultivation of Escherichia coli (E. grow best in the presence of oxygen and it is also a Facultative anaerobic organism i.e. ⇒ Oxygen requirements – Escherichia coli (E. MORPHOLOGY AND CULTURE CHARACTERISTICS OF CLOSTRIDIUM BOTULINUM Also, the pH requirements vary as per the strain of Escherichia coli.Ĭheck out the Morphology & Culture Characteristics of Clostridium botulinum coli can survive at 4.5– 9.5 pH but the maximum growth observed at 7.0 i.e. ⇒ Optimum temperature – Escherichia coli ranges from 10–40☌ but the optimum temperature for most of the strains is 37☌ and usually cultivated at this temperature in laboratories. Commonly the NAM & MacConkey Agar medium is used for the cultivation of Escherichia coli in the Laboratory. coli have no complex nutritional requirements and readily grow in an ordinary media like Nutrient Agar medium (NAM). ⇒ Special requirements – Escherichia coli or E. MORPHOLOGY OF ESCHERICHIA COLI (E.COLI) CULTURE REQUIREMENTS OF ESCHERICHIA COLI (E. Gram Staining Reaction – Escherichia coli is a Gram -ve (Negative) bacterium. coli which can easily be demonstrated using India ink preparation, appear as a clear halo in a dark background. Spores – The Escherichia coli is a non–sporing bacterium.Ĭapsule – Capsules are present in some strains of the E. coli are non-motile.įlagella – Escherichia coli is a flagellated bacterium with peritrichous flagella arrangement. Motility – Escherichia coli is a motile bacterium. Size – The size of Escherichia coli is about 1–3 µm × 0.4–0.7 µm (micrometer).Īrrangement Of Cells – Escherichia coli is arranged singly or in pairs. Shape – Escherichia coli is a straight, rod shape (bacillus) bacterium. That’s All about the Morphology & Culture Characteristics of Escherichia coli (E. ![]()
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