Archaeal diversity analysis of spacecraft assembly clean rooms

The ISME Journal
Christine MoisslKasthuri Venkateswaran

Abstract

One of the main tasks of NASA's planetary protection program is to prevent the forward contamination of extraterrestrial environments with Earth life, and in turn preserve other planets and the integrity of future life detection missions. Despite information regarding bacterial diversity in NASA's clean rooms, little is known about the presence of Archaea. Archaeal community analysis of spacecraft-associated surfaces is important, as they are considered by some to represent terrestrial life most capable of surviving on Mars. The first insights into the archaeal diversity of clean rooms where spacecraft assembled are attempted. Nucleic acid sequences clustering with uncultivable Archaea within the Eury- and Crenarchaeota were retrieved from 8 of 26 samples collected from several spacecraft assembly clean rooms. Due to their potential capability to survive and proliferate in Martian conditions, screening for Archaea on spacecraft surfaces and instruments that are associated with future life detection missions may be necessary.

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Citations

May 22, 2009·Nature·Eric Hand
Jul 16, 2010·The ISME Journal·Christa Schleper
Jul 17, 2012·Astrobiology·Michaela StieglmeierChristine Moissl-Eichinger
Aug 25, 2009·Applied and Environmental Microbiology·Myron T La DucKasthuri Venkateswaran
Jun 26, 2012·Applied and Environmental Microbiology·Myron T La DucKasthuri Venkateswaran
Apr 14, 2009·Applied and Environmental Microbiology·Michaela StieglmeierChristine Moissl-Eichinger
Mar 15, 2011·Applied and Environmental Microbiology·K KwanK Venkateswaran
Jun 19, 2013·PloS One·Alexander J ProbstChristine Moissl-Eichinger
Aug 19, 2014·Microbes and Environments·Kasthuri VenkateswaranGerda Horneck
Jun 24, 2017·Scientific Reports·Christine Moissl-EichingerHoi-Ying N Holman
Oct 5, 2019·Scientific Reports·Ganesh Babu Malli MohanKasthuri Venkateswaran

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