Lost in translation
Thursday, January 8, 2009 - 09:15
in Mathematics & Economics
The enzyme machine that translates a cell's DNA code into the proteins of life is nothing if not an editorial perfectionist. Johns Hopkins researchers, reporting this week in Nature, have discovered a new 'proofreading step' during which the suite of translational tools called the ribosome recognises errors, just after making them, and definitively responds by hitting its version of a 'delete' button...