Theme I History Of Microbiology

1710 WordsDec 20, 20147 Pages
THEME I HISTORY OF MICROBIOLOGY DEFINITIONS Microbiology is the science that studies the biology of microorganisms or microbes. Microorganisms are beings: · Small size, which can not be observed with the naked eye, it takes a microscope. · Do not have tissue differentiation, are acellular, one-celled, and / or cenocíticos (multicore). Naturally occurring in mixed populations of cells, where each cell performs its vital functions independently. If we get a pure or axenic culture must apply a methodology of Microbiology for selecting one type of microorganisms. Microorganisms are therefore those acellular biological entities, unicellular, multicellular and / or cenocíticos, devoid of tissue organization, for its small size, beyond human eye and for study, the methodology of pure culture is required. (examination). HISTORICAL DEVELOPMENT Although known recently, profits of microorganisms have been used for thousands of years (bread, wine) ago, suffering their infections, and using prophylactic measures against them (quarantine, sacrifices, etc.) In the seventeenth century, Antoine van Leeuwenhoek was the first scientist who observed microorganisms. He was a Dutch optician who built the first quality lenses (x 300). He noted the structure of seeds, red blood cells, sperm, but its maximum discovery was animalcules; yeasts, algae, protozoa and some bacterial large. It took a long time until Microbiology as science develops. This happens at the end of the nineteenth
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