Prelaunch planetary protection protocols on spacecraft are designed to reduce the numbers and diversity of viable bioloads on surfaces in order to mitigate the forward contamination of planetary surfaces. In addition, there is a growing appreciation that prelaunch spacecraft cleaning protocols will be required to reduce the levels of biogenic signature… (More)
We report the complete genome sequence of Serratia liquefaciens strain ATCC 27592, which was previously identified as capable of growth under low-pressure conditions. To the best of our knowledge, this is the first announcement of the complete genome sequence of an S. liquefaciens strain.
I n t r o d u c t i o n : The existence on Earth of meteorites originating from Mars has sparked renewed interest in testing the theory of interplanetary transport of viable endolithic microbes by natural impact processes, i.e., lithopanspermia . In this scenario, the transfer process is initiated by launch of crust material from the donor planet into… (More)
Bacteria of the genus Staphylococcus are persistent inhabitants of human spaceflight habitats and represent potential opportunistic pathogens. The effect of the human spaceflight environment on the growth and the frequency of mutations to antibiotic resistance in the model organism Staphylococcus epidermidis strain ATCC12228 was investigated. Six cultures… (More)