Last year, in many ways, was remarkable, also for Acta Physiologica. Strangely, manuscript submissions did not surge during the most rigid periods of lockdown March and April. Too stunned by events, scientists swapped their pipette fountain pen to bring paper what had long been on minds. We actually observed an 8% decline these 2 months. However, end, Physiologica up 7%, thus continuing constan...

The ActA protein of Listeria monocytogenes is an essential virulence factor and is required for intracellular bacterial motility and cell-to-cell spread. plcB, cotranscribed with actA, encodes a broad-specificity phospholipase C that contributes to lysis of host cell vacuoles and cell-to-cell spread. Construction of a transcriptional fusion between actA-plcB and the green fluorescent protein ge...

The Listeria monocytogenes ActA protein mediates actin-based motility by recruiting and stimulating the Arp2/3 complex. In vitro, the actin monomer-binding region of ActA is critical for stimulating Arp2/3-dependent actin nucleation; however, this region is dispensable for actin-based motility in cells. Here, we provide genetic and biochemical evidence that vasodilator-stimulated phosphoprotein...

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