Word: viruses
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Dates: during 1970-1979
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What has hit the Soviet Union is a microbe that is invisible except to devices like the electron-microscope eye: an influenza virus. It appears to have surfaced first hi Khabarovsk, on the border between Soviet Siberia and Chinese Manchuria. (Soviet sources suggested that it might have originated in Southeast Asia as it has appeared in Hong Kong.) For obscure reasons, the Siberia-Manchuria border and nearby areas are suspected of having been the spawning ground of almost all, if not all, epidemic-causing influenza viruses. This region has been indicted as the birthplace of the notorious A-2 strain...
Ptashne, now on a sabbatical leave of a year in Cambridge, England, has been studying the same mechanism of gene control on a model bacterial virus. Ptashne is studying , at a molecular level, "how various control proteins act to control the expression of genes, "Robert T. Sauer, an assistant in Ptashne's laboratory, said yesterday...
...surprising-payoff. Yalow and Berson found that most adult diabetics did not have a shortage of the hormone insulin in their blood. Rather, it was present in abundance; only its sugar-metabolizing action was somehow blocked. Subsequently, Yalow and others developed similar RIAS for detecting human growth hormone, hepatitis virus and other biological substances. Today the RIA technique is used by labs around the world...
Postel attributed the yearly outbreak to the various strains of virus students bring back from different parts of the country, but added he did not think it was serious...
...study says feline leukemia virus is the only tumor-producing "RNA virus known to be widely disseminated in man's environment...