Antibiotic resistance in two water reclamation systems for space applications

Audra Morse, W. Andrew Jackson

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


The purpose of this research was to evaluate the antibiotic resistance in two water reclamation systems developed from space missions. The first system is a small-scale water reclamation system operated at Johnson Space Center designed to reclaim wastewater during long-term space missions. The second system was a scaled-down version of the Johnson Space Center system operated at Texas Tech University. Antibiotic resistance patterns to 10 antibiotics were investigated before and after controlled doses of amoxicillin were added to the water reclamation systems. The results of this study indicate that bacteria in all systems were resistant to many antibiotics including beta-lactam antibiotics and a beta-lactam, beta-lactamase inhibitor combination, amoxicillin with clavulanic acid.

Original languageEnglish
Pages (from-to)277-289
Number of pages13
JournalWater, Air, and Soil Pollution
Issue number1
StatePublished - Nov 2004


  • Amoxicillin
  • Antibiotic
  • Antibiotic resistance
  • Denitrification
  • Nitrification


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