النتائج (
العربية) 1:
[نسخ]نسخ!
Seven years ago the use of DNA fingerprinting outside the animal kingdom was a novel idea. Using this peculiar approach, Professor Hamer was able to offer a new tool to epidemiologists who specialized in rice pathologies and to geneticists who specialized in breeding resistant rice strains. However, epidemiology and rice breeding were not Professor Hamer's areas of interest or expertise. Rather than pursue the obvious research potential, he packaged alt his data and sent them off to a colleague at another university who had expressed an interest. After two years had passed, Professor Hamer learned that his friend had decided not to pursue this line of research. Although the area was only tangentially related to his field, Professor Hamer realized the importance of the research and felt an obligation to pursue the questions he had raised.To pursue the research, Professor Hamer needed help. He contacted a Purdue colleague whose specialty was population ecology. Professor Hamer asked a United States Department of Agriculture plant pathologist in Texas to send nine identified biological strains of MGA found in the US. They called these the reference strains. Next, they asked for 10 strains of MGA without identification (“unknowns”). The goal was to determine the identity of the 10 unknowns by comparing their genetic fingerprints to the fingerprints of the nine reference strains. When the experiments were complete, they mailed the results to the pathologist. Much to the plant pathologist's surprise, the Purdue team had correctly identified all of the unknown specimens.
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