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Antitoxins are becoming recognized as proteins that regulate more than their own synthesis; for example, we found previously that antitoxin MqsA represses the gene encoding the stationary phase sigma factor RpoS. Here, we investigated the physiological role of antitoxin DinJ of the DinJ/YafQ toxin/a...
ORGANISM(S): Escherichia coli 
It has been proposed that the gastro-intestinal tract environment containing high levels of neuroendocrine hormones is important for gut-derived P. aeruginosa infections. In this study, we report that the hormone norepinephrine increases P. aeruginosa PA14 growth, virulence factor production, invasi...
ORGANISM(S): Pseudomonas aeruginosa UCBPP-PA14 
Quorum sensing controls the expression of multiple virulence factors. PA14 genes lasR and rhlR are necessary for quorum sensing via homoserine lactones. A PA14 lasR rhlR deficient mutant exhibits a reduced oxidative stress response. Here we conducted a microarray to determine oxidative stress resp...
ORGANISM(S): Pseudomonas aeruginosa 
mRNA expression profiles of trypanosomes from two discrete bloodstream form stages of the parasite (slender and stumpy forms), as well as during the transition of the stumpy population to the procyclic life-cycle stage were studied. Our analysis represents the first comparison of in vivo derived ple...
ORGANISM(S): Trypanosoma brucei 
three late exponential phase Rhodococcus sp. RHA1 propane-grown cultures compared to pyruvate-grown cultures three two-colour microarrays
ORGANISM(S): Rhodococcus sp. RHA1 
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