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Submission + - Bacterium hosts remnant of life's distant past ( 1

alexandre_ganso writes: Within a dangerous stomach bacterium, Yale University researchers have discovered an ancient but functioning genetic remnant from a time before DNA existed, they report in the August 13 issue of the journal Science.

"What these cells are doing is using ancient RNA technology to control modern gene expression," said Ron Breaker, the Henry Ford II Professor of Molecular, Cellular and Developmental Biology at Yale, investigator for the Howard Hughes Medical Institute and senior author of the study.

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Bacterium hosts remnant of life's distant past

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The first version always gets thrown away.