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André Michel Lwoff (Ainay-le-Château, 8 maggio 1902 – Parigi, 30 settembre 1994) è stato un microbiologo francese tassonomo dei virus. Lwoff ha vinto il premio Nobel per la medicina nel 1965, assieme a François Jacob e a Jacques Monod .
André Michel Lwoff (8 May 1902 – 30 September 1994) was a French microbiologist and Nobel laureate of Russian-Polish origin.
He has now begun to investigate the action mechanism of specific inhibitors of viral development. André Lwoff has been honoured by the following prizes of the Académie des Sciences: Lallemant, Noury, Longchampt, Chaussier, Petit d’Ormoy prizes and the Charles-Léopold Mayer Foundation prize.
He was the first to discover that small molecules, coenzymes, can function as vitamins essential for cell growth. Some microorganisms such as colibacillus synthesize them, whereas for others external sources are necessary. André Lwoff thus defined the status and role of growth factors.
André Lwoff was a French biologist who contributed to the understanding of lysogeny, in which a bacterial virus, or bacteriophage, infects bacteria and is transmitted to subsequent bacterial generations solely through the cell division of its host.
- The Editors of Encyclopaedia Britannica
André Lwoff was a one of the pioneers of molecular biology. In 1965 he received, together with Jacques Monod and François Jacob, the Nobel Prize (medicine and physiology) for the important contributions he made to fundamental virology and for his discoveries of roles of vitamins.
The Nobel Prize in Physiology or Medicine 1965 was awarded jointly to François Jacob, André Lwoff and Jacques Monod "for their discoveries concerning genetic control of enzyme and virus synthesis".
