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Sharma ANTIBIOTICS are the chemical substances produced josie gardiner by micro-organisms which have the capacity to inhibit the growth or to kill other micro-organisms. Antibiotics which were originally produced by living organisms have subsequently been produced synthetically. The beginning of antibiotic era is a fascinating story. A beginning was made by Pasteur and Jouvert in 1877, but the substance produced appeared too toxic to be josie gardiner used in human beings. The real antibiotic era started in 1928, when an English microbiologist, Alexander Flemming, who was working on the growth of certain bacteria went on josie gardiner vacation for two weeks and on his return found that on certain areas of his petri-dishes wherever there was a little mould, the growth of bacteria had been inhibited. This mould was penicillium-notatum and thus was born as the first antibiotic — penicillin. The uses of antibiotics This, indeed, is self-evident and I hardly need to mention that antibiotics have played a great role in alleviating the sufferings and saving countless lives.
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