Experiment to investigate the effect of different antibiotics on the bacteria Bacillus subtilis - Essay Example

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Summary

Aim: To see which antibiotic (Chloramphenicol, Erythromycin,  Fusidic  Acid,  Oxacillin, Novobiocin, Penicillin, Streptomyan and Tetracycline) reacting with the Bacillus subtilis has the largest zone of inhibition in mm (+/- 0.5mm) ...........

Extract of sample
Experiment To Investigate The Effect Of Different Antibiotics On The Bacteria Bacillus Subtilis

Aim:

To see which antibiotic (Chloramphenicol, Erythromycin,  Fusidic  Acid,  Oxacillin,

Novobiocin, Penicillin, Streptomyan and Tetracycline) reacting with the Bacillus subtilis has the largest zone of inhibition in mm (+/- 0.5mm) and so which has the biggest effect on the bacteria.

Introduction:

Gram -positive bacteria are bacteria that are dark blue or violet when gram staining. Gram-positive organisms are able to keep the crystal violet stain because of a high amount of peptidoglycan in the cell wall. This makes up about 90% of the thick, more than 20 layers of peptidoglycan together. Gram-positive organisms normally do not have the outer membrane, whereas Gram-negative organisms do.

Gram-positive bacteria include many well -known genera like Streptococcus and Bacillus. Most pathogenic bacteria in humans are Gram-positive organisms and these are used to manufacture antibiotics.

Bacillus subtilis,  also known as the hay bacillus or grass bacillus is a Gram- positive  bacterium, which is mostly found in soil.

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Experiment To Investigate The Effect Of Different Antibiotics On The Bacteria Bacillus Subtilis
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