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LuxS is an enzyme involved in the activated methyl cycle. The by-product of this cycle, autoinducer 2 (AI-2), could be an important quorum sensing signal. LuxS was conserved and regulated many behaviors in different bacteria, but in most species, whether the regulations are related to AI-2 mediated ...
ORGANISM(S): Actinobacillus pleuropneumoniae 
Transcriptional profile comparison among PDIM positive and negative isolates. Standard in vitro exponential phase cultures of M. tuberculosis H37Rv ATCC27294 were plated on 7H11 plates. Individual colonies were sub-cultured in 7H9 broth and metabolically labeled with [14C] propionic acid. The apolar...
ORGANISM(S): Mycobacterium tuberculosis 
The complement system is an important part of the innate defense against invading pathogens. The ability to resist complement-mediated killing is considered to be an important virulence trait for the human-restricted respiratory tract pathogen M. catarrhalis, as most disease-associated M. catarrhali...
ORGANISM(S): Moraxella catarrhalis BBH18 
LuxS is an enzyme involved in the activated methyl cycle and the by-product autoinducer 2 (AI-2) was a quorum sensing signal in some species. In our previous study, the functional LuxS in AI-2 production was verified in the porcine respiratory pathogen Actinobacillus pleuropneumoniae. Enhanced biofi...
ORGANISM(S): Actinobacillus pleuropneumoniae 
Background: In prokaryotes, sigma factors are essential for the targeting of the transcription machinery to promoters. Various sigma factors have been described that recognize and bind to specific DNA sequence motifs in promoter sequences. The canonical sigma factor M-OM-^C70 is commonly involved in...
ORGANISM(S): Lactobacillus plantarum WCFS1 
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