LytR-CpsA-Psr proteins in Staphylococcus aureus display partial functional redundancy and the deletion of all three severely impairs septum placement and cell separation. - Over B; Heusser R; McCallum N; Schulthess B; Kupferschmied P; Gaiani JM; Sifri CD; Berger-Bächi B; Stutzmann Meier P (FEMS microbiology letters, 2011)