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Friday, May 24, 2002

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find related articles. powered by google. Nature: Science Update New word in life's lexicon

"The scientists who cracked life's genetic code in the 1950s said that it writes a mere 20 'words' - the amino acids from which the myriad proteins in all life are built. But in 1986 another amino acid was discovered in bacteria.

"We thought the 21st was an aberration, but here we see another one," says biochemist Michael Chan of Ohio State University, Columbus. "Perhaps 23 and 24 are just around the corner.""

find related articles. powered by google. UniSci 'New' Amino Acid Opens Door For Industrial Enzymes

""The implication is that the genetic code itself can be modified through evolution to encode more stuff -- new amino acids," Gesteland said."

"Gesteland said discovery of the 22nd genetically encoded amino acid raises the bigger question of how life's genetic code is reprogrammed to do new things, and also suggests "there may be other surprises out there. Are there yet other amino acids?""

[ rhetoric ]

Bioinformatics will be at the core of biology in the 21st century. In fields ranging from structural biology to genomics to biomedical imaging, ready access to data and analytical tools are fundamentally changing the way investigators in the life sciences conduct research and approach problems. Complex, computationally intensive biological problems are now being addressed and promise to significantly advance our understanding of biology and medicine. No biological discipline will be unaffected by these technological breakthroughs.


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