Saturday, April 27, 2013

Mitochondrial Singularity - Joan Slonczewski

"But the price of endosymbiosis is evolutionary degeneration. Genetically, the mitochondrion has lost all but a handful of its 4,000-odd bacterial genes, down to 37 in humans. Most of these genes conduct respiration (obtaining energy to make ATP). From the standpoint of existence as an organism, that seems pathetic. The mitochondrion is a ghost of its former identity." 3.5 out of 5