However, this finding has since been disputed : see Reports of " Streptococcus mitis " on the Moon.
2.
The main source of new genes in " S . pneumoniae " was " Streptococcus mitis " from which genes were transferred horizontally.
3.
However, independent investigators have challenged the claim of surviving bacteria on Surveyor 3 on the Moon . ( See Reports of " Streptococcus mitis " on the Moon .)
4.
It is claimed that the common bacterium " Streptococcus mitis " was found to have accidentally contaminated the spacecraft's camera prior to launch and survived dormant in this harsh environment for two and a half years.
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