Temperature-responsive genetic loci in the plant pathogen Pseudomonas syringae pv. glycinea

Article Abstract:

Temperature-responsive genetic loci have been studied in the plant pathogen Pseudomonas syringae pv. glycinea, a bacterial blight pathogen of soybean plants. Plant-pathogenic bacteria may sense variations in environmental factors to adapt to plant-associated habitats during pathogenesis or epiphytic growth. Plant inoculations showed that three mutants tests were inhibited in symptom development and in planta multiplication rates. The study suggested that all identified loci showed a somewhat slow induction of expression under temperature-change conditions.

Environmental aspects, Bacteria, Plant-pathogen relationships, Bacteria, Phytopathogenic, Phytopathogenic bacteria, Cytochemistry, Genetic recombination, Molecular biology, Variation (Biology), Pseudomonas syringae, Bacterial diseases of plants, Bacterial plant diseases, Temperature

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Pseudomonas aeruginosa mutations in lasl and rhll quorum sensing systems result in milder chronic lung infection

Article Abstract:

Pseudomonas aeruginosa mutations in rhll and lasl quorum sensing systems bring milder chronic lung infection. In vivo pathogenic effects of the wild-type P. aeruginosa PAO1 and its double mutation, PAO1 lasl rhll, in which the signal-generating parts of the quorum sensing systems are defective, have been compared. The goal was to find out about importance of quorum sensing in chronic P. aeruginosa lung infection.

United Kingdom, United States, Denmark, Reports, Development and progression, Chronic diseases, Gene mutations, Gene mutation, Pseudomonas aeruginosa, Lung diseases, Immunocytochemistry, Virulence (Microbiology), Rats, Cystic fibrosis, Opportunistic infections, Microbiological research, Animal models in research, Animal research models, Lactones, Immune recognition, Complications

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