PubMed · 13041603
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D M G TORRES. [Coprological examination; digestive function test].. https://pubmed.ncbi.nlm.nih.gov/13041603/
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The concept of chromosomes with a ring structure was born during the early studies of bacterial sexuality, and the discovery of fertility factors- episomes or plasmids-provided much later the key tools for gene cloning and biotechnology. But the plasmid-mediated transfer of antibiotic and other resistances, as well as pathogenicity, has served bacteria well in their own adaptive evolution.
Russian doctor and bacteriologist, born in Ivanowca in 1845. He began his studies in Kharkov, continuing them at the Universities of Giessen, Gothingen, and Munich, later being named Professor of Zoology in Odessa in 1870. In the Canary Islands, he completed some anthropological works, but dedicated himself especially to studies of marine fauna. In 1887, much taken by the work of Pasteur, he wrote to him asking for a position in his laboratories; in a short time he became one of the principal collaborators with the master, especially in works concerning bacteriology. These were an inspiration to him, and led him to his famous theory of phagocytosis, the defensive act whereby white blood cells protect an organism against pathogenic microbes. Metchnikoff supposed that old age was avoidable, and subscribed to the materialistic school of thought. He was awarded the Nobel Prize in 1908. (With the complements of the Jose Lopez Luis Cigarillo Factory, Tenerife).
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