Encyclopedia of Astrobiology

Living Edition
| Editors: Muriel Gargaud, William M. Irvine, Ricardo Amils, Henderson James Cleaves, Daniele Pinti, José Cernicharo Quintanilla, Michel Viso

Biological Indicator

  • Catharine A. Conley
Living reference work entry
DOI: https://doi.org/10.1007/978-3-642-27833-4_177-2


In planetary protection, biological indicators are used to establish the efficacy of a bioburden reduction process. A well-characterized preparation of microorganisms (usually spores) is subjected to the bioburden reduction protocol. A number of biological indicators are commercially available in the form of a population of spores generated from a species of microorganism with known levels of resistance to a particular bioburden reduction process.

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© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  1. 1.NASA HeadquartersWashingtonUSA