Numbers of bacteria (cfu) killed by macrophages (J774.2 cell line) following 1 h co-incubation with <i>S. pyogenes</i> MGAS6180 or MGAS10270 wild type and <i>aspA</i> mutants (input 5×10<sup>3</sup> cfu, 5×10<sup>4</sup> macrophages).

Abstract

<p>Percentage killing was calculated from cfu remaining compared with control samples without macrophages. Data are means ± SEM of 3 experiments repeated in triplicate. * = <i>P</i><0.001 using 2 tail student T-test.</p

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