Word: halobium
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Dates: during 1970-1979
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Visual Purple. Stoeckenius began the work that led to his discovery in 1965 while serving as an associate professor at New York City's Rockefeller University. Studying the structure of a microbe called Halobacterium halobium -the organism that gives red herring their distinctive color-he found a purple pigment that was chemically similar to "visual purple," a pigment in the retinas of animal and human eyes. The similarity led Stoeckenius and his co-workers to suspect that the pigment helped the organism use light for its life processes...
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