New strains of bacteria found on the space station may help astronauts grow plants on Mars

The bacteria are involved in nitrogen fixation and plant growth, and could help keep away plant pathogens in space.

from http://www.firstpost.com/tech/science/new-strains-of-bacteria-found-on-the-space-station-may-help-astronauts-grow-plants-on-mars-9428621.html