You sure about that?
Check this out:
http://www.astrobio.net/news/article318.html
And we have this little guy:
http://antwrp.gsfc.nasa.gov/apod/ap060122.html
Let's see how the LIFE experiment on the Phobos-Grunt mission works
out, too, before being so sure that microbes can't handle the Final
Frontier.
http://en.wikipedia.org/wiki/Living_Interplanetary_Flight_Experiment
