Effects of extreme acceleration, microgravity, and deceleration on Bacillus subtilis onboard a suborbital space
Eric Yang1, Jibin Jeffrey Dhanaraj1, Palalle G Tharushi Perera2
1ResearchSat Pty, Innovation and Collaboration Centre, University of South Australia, Adelaide, SA, Australia.
Abstract:
The effects of extreme acceleration, microgravity, and deceleration of a suborbital spaceflight on Bacillus subtilis ATCC 6051 spores were investigated. B. subtilis spores were exposed to a maximum acceleration of ~13 g, a microgravity phase of 6 min, deceleration of 30 g (~300 m/s2), and a maximum rotating velocity of 220 os-1 upon re-entry into Earth's atmosphere. Post-flight analysis showed the spores exhibited no change in morphology or viability, confirming that B. subtilis spores are resilient to space flight conditions.
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