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Published on: July 7, 2020
[Dawn of the antibiotic era and some consequences for the present]
1Department of Infectious Diseases, Charles University, Prague. benes.infekce@seznam.cz
Abstract:
The beginning of antibiotic era is traditionally ascribed to Fleming's discovery of penicillin in 1928. From the modern view, however, the term "antibiotic" includes all antibacterial drugs for oral or parenteral administration, regardless of their origin (microbial products or chemical compounds). Thus, sulphonamides belong to antibiotics, with the beginning of antibiotic era dating back to the year 1910 when Paul Ehrlich and Sahachiro Hata demonstrated the therapeutic potential of arsphenamine (Salvarsan) against syphilis. The discovery of penicillin was preceded by studies from several countries that documented antagonism between various microorganisms. Some of them resulted in the introduction of new antibacterial drugs. Nevertheless, these drugs could be used only for local treatment of superficial infections. Alexander Fleming did discover penicillin but the medical use of this substance was the result of an effort of Howard Florey's Oxford team. The enthusiasm for penicillin led to several recommendations that were incorrectly ascribed to all antibiotics. Examples of such misinterpretations are provided in the article.
Insights
The antibiotic era began in 1910 with arsphenamine, not 1928 with penicillin. Early antibacterial drugs, including chemical compounds like sulphonamides, expanded the definition of antibiotics beyond microbial products.
Area of Science:
- Microbiology
- Pharmacology
- History of Medicine
Context:
- The traditional view attributes the start of the antibiotic era to Fleming's 1928 penicillin discovery.
- Modern definitions encompass all antibacterial drugs, including chemical compounds and microbial products.
- Previous research documented microbial antagonism, leading to early antibacterial agents for superficial infections.
Purpose:
- To re-evaluate the historical timeline of the antibiotic era.
- To clarify the definition of antibiotics, including chemical compounds.
- To highlight the contributions of early researchers and the development of antibacterial drugs.
Summary:
- The antibiotic era commenced in 1910 with arsphenamine (Salvarsan) by Ehrlich and Hata, not Fleming's penicillin in 1928.
- The term 'antibiotic' now includes synthetic antibacterial drugs (e.g., sulphonamides) alongside microbial products.
- Penicillin's medical application resulted from the Oxford team's work, and early enthusiasm led to misinterpretations.
Impact:
- Redefines the historical starting point of antibiotic therapy.
- Broadens the understanding of what constitutes an antibiotic.
- Corrects common misconceptions regarding the discovery and development of antibacterial drugs.
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