Word: amino
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Fish & Peanuts. In an attempt to overcome such resistance, an energetic U.S. effort under former White House Aide Alan Berg, 35, is helping the government improve the Indian diet with such techniques as the addition of the protein-building amino acid lysine to wheat, tea and other staples of the Indian diet. A search for new foods is also under way. Only last week a U.S. Interior Department team arrived in India to discuss construction of a fish-protein-concentrate factory, and Dow Chemical is joining with a Bombay company to produce peanut flour...
Broome eight years to ferret out the guinea pigs' secret. These animals, and a few closely related species such as the agouti, have in their blood the enzyme L-asparaginase, so called because it effects a chemical breakdown of the amino acid L-asparagine.*Many of the body's cells need asparagine as a source of nourishment, and normal cells manufacture it within themselves. But some types of cancer cells, which also need it, cannot make it. So they steal it from healthy cells...
...known that one messenger sometimes codes for more than one protein. However, it was not understood how the cell "punctuated" the message to separate one protein from the next: the chain of the first protein must be terminated right before the first amino acid of the second protein. For a while it was thought that the only signal required was a special codon in the messenger that said "stop...
...last fall Capecchi and Jerry M. Adams, another pre-doctoral student at the Biology labs, found evidence that an initiator signal was also required, and that part one of this signal was the amino acid N-formylmethionine...
...Capecchi has found that the amount of this amino acid found in E. coli is consistent with their proposal. And within a few months, he believes, we may know if this scheme can be generalized to all systems, including mammals...