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Wednesday, 13 August 2014

Carl Woese.

http://en.wikipedia.org/wiki/Bacteria

A major step forward in the study of bacteria came in 1977 when Carl Woese recognized that archaea have a separate line of evolutionary descent from bacteria.This new phylogenetic taxonomy depended on the sequencing of 16S ribosomal RNA, and divided prokaryotes into two evolutionary domains, as part of the three-domain system.

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