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Biofilms are surface-adhered bacterial communities encased in an extracellular matrix composed of polysaccharides, proteins, and extracelluar (e)DNA, with eDNA being required for the formation and integrity of biofilms. Here we demonstrate that the spatial and temporal release of eDNA is regulated b...
ORGANISM(S): Pseudomonas aeruginosa 
Alginate overproduction by P. aeruginosa, also known as mucoidy is associated with chronic endobronchial infections in cystic fibrosis (CF). Alginate biosynthesis in this bacterium is initiated by the extracytoplasmic function sigma factor (σ22, AlgU/T). In the wild type (wt) nonmucoid strains, su...
ORGANISM(S): Pseudomonas aeruginosa PAO1 
Characterization of bacterial behavior in the microgravity environment of spaceflight is of importance towards risk assessment and prevention of infectious disease during long-term missions. Further, this research field unveils new insights into connections between low fluid-shear regions encountere...
ORGANISM(S): Pseudomonas aeruginosa PAO1 
Salmonella transcription profiles were obtained from samples flown on space shuttle mission STS-115, and compared to profiles from Salmonella grown under identical conditions on the ground. Keywords: stress response, transcriptional profile Triplicate experimental samples were hybridized to slides t...
ORGANISM(S): Salmonella enterica 
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