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Northrop, John Howard

(Encyclopedia)Northrop, John Howard, 1891–1987, American chemist, b. Yonkers, N.Y., Ph.D. Columbia, 1915. He was a researcher at the Rockefeller Institute for Medical Research (now Rockefeller Univ.) from 1916 un...

Blumberg, Baruch Samuel

(Encyclopedia)Blumberg, Baruch Samuel, 1925–2011, American biochemist and medical anthropologist, b. Brooklyn, N.Y., B.S. Union College, Schenectady, N.Y., 1946, M.D. Columbia, 1951, Ph.D. Oxford, 1957. From 1957...

recombination

(Encyclopedia)recombination, process of “shuffling” of genes by which new combinations can be generated. In recombination through sexual reproduction, the offspring's complete set of genes differs from that of ...

mumps

(Encyclopedia)mumps (epidemic parotitis), acute contagious viral disease, manifesting itself chiefly in pain and swelling of the salivary glands, especially those at the angle of the jaw. Other symptoms are fever, ...

antisense

(Encyclopedia)antisense, DNA or RNA manipulated in a laboratory so that its components (nucleotides) form a complementary copy of normal, or “sense,” messenger RNA (mRNA; see nucleic acid). Antisense techniques...

Barré-Sinoussi, Françoise

(Encyclopedia)Barré-Sinoussi, Françoise, 1947–, French virologist, Ph.D. Pasteur Institute, Paris, 1974. She has been a professor at the Pasteur Institute since 1974 and was appointed head of its retroviral uni...

Reye's syndrome

(Encyclopedia)Reye's syndrome rīz [key], rare but life-threatening disease characterized by acute encephalopathy and fatty infiltration of internal organs, especially the liver. It occurs almost entirely in childr...

Burnet, Sir Macfarlane

(Encyclopedia)Burnet, Sir Macfarlane, 1899–1985, Australian virologist and physician. He was resident pathologist (1923–24) at the Royal Melbourne Hospital and a Beit fellow (1926–27) at the Lister Institute,...

episome

(Encyclopedia)episome ĕpˈĭsōm [key], unit of genetic material composed of a series of genes that sometimes has an independent existence in a host cell and at other times is integrated into a chromosome of the c...

Colorado tick fever

(Encyclopedia)Colorado tick fever or mountain tick fever, acute disease caused by infection with a double-stranded RNA virus (a Coltvirus) that is transmitted to humans by Rocky Mountain wood ticks (Dermacentor and...