WATER - Unknown ocean bacteria create entirely new theories - unknown relative of mitochondria, the power stations inside cells.

Unknown ocean bacteria create entirely new theories - unknown relative of mitochondria, the power stations inside cells.

SAR11 bacteria have an extremely small cell volume with genomes of 1.5 million building blocks
lacks genes that are thought to be important in repairing damage to DNA, can more readily exchange genes with each other
http://www.physorg.com/news/2011-09-unknown-ocean-bacteria-theories.html
SAR11 bacteria evolved from ocean- and earth-dwelling bacteria