Tom Brock, discoverer of TaqI bacterium

Tom Brock, discoverer of TaqI bacterium

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Credit: PETER MENZEL/SCIENCE PHOTO LIBRARY

Caption: Portrait of Tom Brock, US microbiologist and discoverer of the bacterium Thermus aquaticus (TaqI). The bacterium is found in hot springs, and so is a good source of heat stable DNA polymerase. This is used in the high-temperature polymerase chain reaction (PCR), a method for amplifying DNA samples in vitro. The TaqI PCR has many advantages over previous methods which used E.coli DNA polymerase. Photographed in Yellowstone Park, USA.

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Keywords: bacteria, biologist, brock, discove, discover, discoverer, pcr, polymerase chain reaction, portraits, surname b, taq-1, thermus aquaticus, tom, type

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