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FQE increases CpsD-P in <i>S. pneumoniae</i> D39.

By Alistair J. Standish (322870), Angela A. Salim (210557), Hua Zhang (12549), Robert J. Capon (210563) and Renato Morona (279801)


<p><i>S. pneumoniae</i> D39 were grown to mid log phase in THY (OD<sub>600</sub> ≈ 0.35) and FQE at indicated concentrations were added. (A) These concentrations (µM) had no statistically significant effect on CFU/ml after 30, 60 and 120 mins. (B) Whole cell lysates were prepared from these cells, which were separated by SDS-PAGE and analyzed by immunoblotting using anti-CpsD, or anti-phosphotyrosine (to detect CpsD-P). (C) Densitometric analysis of CpsD-P from three separate experiments. The effect with addition of 5 µM was significantly higher than compared with 1.25 µM FQE (* - <i>P</i><0.05 by Student’s <i>t</i>-test). (D) For comparison, the effect of an in-frame <i>cpsB</i> deletion mutant on CpsD-P is shown.</p

Topics: Microbiology, Molecular Biology, increases, cpsd-p
Year: 2013
DOI identifier: 10.1371/journal.pone.0036312.g003
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Provided by: FigShare
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