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  2. Penicillium chrysogenum - Wikipedia

    en.wikipedia.org/wiki/Penicillium_chrysogenum

    The discovery of penicillin ushered in a new age of antibiotics derived from microorganisms. Penicillin is an antibiotic isolated from growing Penicillium mold in a fermenter. The mold is grown in a liquid culture containing sugar and other nutrients including a source of nitrogen. As the mold grows, it uses up the sugar and starts to make ...

  3. History of penicillin - Wikipedia

    en.wikipedia.org/wiki/History_of_penicillin

    By 1942, some strains of Staphylococcus aureus had developed a strong resistance to penicillin and many strains were resistant by the 1960s. [225] In 1946, bacteriologist Mary Barber began a study of penicillin resistance through natural selection at Hammersmith Hospital in London. She found that in 1946, seven out of eight bacterial infections ...

  4. Penicillin - Wikipedia

    en.wikipedia.org/wiki/Penicillin

    Penicillin resistance is now very common in Staphylococcus aureus, which means penicillin should not be used to treat infections caused by S. aureus infection unless the infecting strain is known to be susceptible.

  5. Medallion containing original mold from discovery of ...

    www.aol.com/news/medallion-containing-original...

    A medallion containing some of the original mold involved in the discovery of penicillin is expected to fetch up to $50,000 at auction.

  6. Alexander Fleming - Wikipedia

    en.wikipedia.org/wiki/Alexander_Fleming

    Modern antibiotics are tested using a method similar to Fleming's discovery. Fleming also discovered very early that bacteria developed antibiotic resistance whenever too little penicillin was used or when it was used for too short a period. Almroth Wright had predicted antibiotic resistance even before it was noticed during experiments.

  7. Discovery of penicillin - Wikipedia

    en.wikipedia.org/wiki/Discovery_of_penicillin

    Sample of penicillin mould presented by Alexander Fleming to Douglas Macleod in 1935. The discovery of penicillin was one of the most important scientific discoveries in the history of medicine. Ancient societies used moulds to treat infections and in the following centuries many people observed the inhibition of bacterial growth by moulds.

  8. Penicillium rubens - Wikipedia

    en.wikipedia.org/wiki/Penicillium_rubens

    Penicillium rubens is a species of fungus in the genus Penicillium and was the first species known to produce the antibiotic penicillin. It was first described by Philibert Melchior Joseph Ehi Biourge in 1923. For the discovery of penicillin from this species Alexander Fleming shared the Nobel Prize in Physiology or Medicine in 1945. [1]

  9. Penicillium digitatum - Wikipedia

    en.wikipedia.org/wiki/Penicillium_digitatum

    Penicillium digitatum (/ ˌ p ɛ n ɪ ˈ s ɪ l i əm ˌ d ɪ dʒ ɪ ˈ t eɪ t əm /) is a mesophilic fungus found in the soil of citrus-producing areas. [1] [2] [3] It is a major source of post-harvest decay in fruits and is responsible for the widespread post-harvest disease in Citrus fruit known as green rot or green mould.