75 research outputs found
Effects of feeding frequency and environmental conditions on dry matter intake, milk yield and behaviour of dairy cows milked in conventional or automatic milking systems
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Human Antimicrobial Peptide LL-37 Induces MefE/Mel-Mediated Macrolide Resistance in Streptococcus pneumoniaeâ–ż
Full text linkMacrolide resistance is a major concern in the treatment of Streptococcus pneumoniae. Inducible macrolide resistance in this pneumococcus is mediated by the efflux pump MefE/Mel. We show here that the human antimicrobial peptide LL-37 induces the mefE promoter and confers resistance to erythromycin and LL-37. Such induction may impact the efficacy of host defenses and of macrolide-based treatment of pneumococcal disease
The HtrA Protease of Streptococcus pneumoniae Controls Density-Dependent Stimulation of the Bacteriocin blp
Full text linkThe influence of climatic conditions on physiological and behavioural parameters in dairy cows kept in open stables
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