Environmental Factors Affecting Growth Of Bacterial Population
Beside nutrition there are certain environmental factors required for the proper growth of bacterial colony. These factors are generally considered
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Bacteriology
Bacterial Growth Curve: in vitro
Bacterial colony shows a definite pattern in its growth if it is grown in optimal environmental conditions. To get a
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Morphology and Physiology of Bacteria
If we start taking about microscopic organisms there are a large number of organisms with slide to far variety in
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Clostridium botulinum
• Clostridium botulinum is a bacterium that produces dangerous toxins (botulinum toxins) under low-oxygen conditions.• Botulinum toxins are one of
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Botulinum Toxin
Botulinum toxin, also called “miracle poison,” is one of the most poisonous biological substances known.Botulinum toxin (BoNT) is produced by
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Streptococcus
Streptococcus is one of the bacteria commonly present as normal flora of the human body. They are gram positive, nonmotile,
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Gaspak Anaerobic jar
Gaspak Anaerobic jar for cultivation of anaerobic bacteria This method is based on hydrogen generation in the jar. It can
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Leifson staining method of flagella
Requirements Bacterial culture (Pseudomonas fluorescens) Pipette Formaline Centrifuge Inoculation needle Bunsen burner Microscope Glass slide Coveralls Prepare the following reagents:
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Gray staining method for flagella
Many bacteria are mobile due to the presence of one or more very fine thread-like, filaments structures called flag Ella’s,
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Demonstration of Staining of Cysts
Some bacteria such as Azotobacter sp. contains cysts which are visible with following reagent. Requirements Glacial acetic acid 8.5 ml
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