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Pathogenic bacteria can alter host gene expression through post-translational modifications of histones. We show that a natural colonizer, Streptococcus pneumoniae, induces specific histone modifications, including robust dephosphorylation of histone H3 on serine 10 (H3S10), during infection of
Modification in the enzymatic complement and lipogenic functions of rat liver endoplasmic reticulum (ER) were shown to occur during pneumococcal sepsis. Glucose-6-phosphatase, 5'nucleotidase, esterase, and NADPH cytochrome C reductase decreased in activity by as much as 50% with respect to controls.
The capacity of Streptococcus pneumoniae to produce capsular polysaccharide (CPS) is essential for virulence. The CPS biosynthesis proteins CpsB, CpsC, and CpsD function to regulate CPS production via tyrosine phosphorylation of CpsD. This mechanism of regulating CPS production is important for
Streptococcus pneumoniae is the worldwide leading cause of deaths from invasive infections such as pneumoniae, sepsis, and meningitidis in children and the elderly. Nasopharyngeal colonization, which plays a key role in the development of pneumococcal disease, is highly dependent on a family of