Altman, Sidney

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Altman, Sidney,

1939–, Canadian-American molecular biologist, b. Montreal, Ph.D., Univ. of Colorado, 1967. A professor at Yale Univ. since 1971, he discovered that RNA could function as enzymes; it was previously thought that enzymatic activity was only possible in protein molecules. His discovery has a potential use in fighting viral infections. For this work, Altman shared the 1989 Nobel Prize in Physics with Thomas CechCech, Thomas Robert
, 1947–, American microbiologist, b. Chicago, grad. Univ. of California, Berkeley. A professor at the Univ. of Colorado, he discovered that RNA could function as enzymes; it was previously thought that enzymatic activity was only possible in protein
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, who independently made the same discovery.

Altman, Sidney

(1939–  ) biochemist; born in Montreal, Canada. He became affiliated with Yale in 1971 and holds dual citizenship. He showed that the RNA molecule could rearrange itself, thereby altering the material it produces without requiring an enzyme. This was a major breakthrough in our understanding of genetic processes. He and Thomas Cech shared the Nobel Prize for chemistry (1989).
References in periodicals archive ?
Until Sidney Altman discovered otherwise, conventional thinking said that all enzymes--biochemical catalysts that accelerate the thousands of chemical reactions required to sustain a living organism --were proteins.
BIRTHDAYS: Sidney Altman, Nobel-prize chemist, 77; Richard O'Sullivan, actor, 72; Anne Dudley, musician and composer, 60; Traci Lords, actress, 48; Eagle-Eye Cherry, singer, 47; Breckin Meyer, actor, 42; Kate Lawler, former Big Brother contestant, now DJ, 36; Matt Helders, drummer (Arctic Monkeys), 30.
Thomas Cech and Sidney Altman share the Nobel for finding that certain RNA molecules, called ribozymes, can cut and join each other--replication.
Thomas Cech at the University of Colorado and Sidney Altman at Yale, found that RNA could act as a catalyst by speeding up a chemical reaction and yet being unchanged in the process - a feat normally reserved for enzymes.
Sidney Altman (Chemistry, 1989) I do not have a favorite book, although there are many authors that I do admire.
BIRTHDAYS Sidney Altman, Nobel Prize-winning chemist, 69; Richard O'Sullivan, actor, 64; Anne Dudley, musician and composer, 52; Traci Lords, actress, 40; Eagle-Eye Cherry, singer, 39; Breckin Meyer, actor, 34; Kate Lawler, (pictured) former Big Brother winner, now a DJ, 28.
Entre los firmantes del comunicado figuran Paul Nurse, director de la Investigacion sobre el Cancer, en el Reino Unido, y Premio Nobel de Medicina de 2001; Sidney Altman, profesor de Biologia en la Universidad de Yale (Connecticut) y Nobel de Quimica en 1989, y Leon Lenderman, profesor de Ciencias en el Instituto de Tecnologia de Illinois y Nobel de Fisica en 1988.
In what wags have dubbed the Heir of the Dog case, Marie Dana is fighting a 15-year-old rich bitch called Samantha for the fortune of pet-loving tycoon Sidney Altman.
Marie Dana, aged 32, lived with Mr Sidney Altman, who died in 1996.
Marie Dana, 32, says she and bathroom fixture magnate Sidney Altman and his beloved pooch Samantha shared the same home for about six years until he died Feb.
1947) and Canadian-born biologist Sidney Altman (b.