sentence: RacA is present only in sporulating cells and it operates via a relatively simple , well ‐ defined mechanism involving binding to multiple specific DNA binding ( ram ) sites close to oriC and recruitment to the cell pole via a direct interaction with DivIVA ( Ben ‐ Yehuda et al ., 2003 ; Wu and Errington , 2003 ; Ben ‐ Yehuda et al ., 2005 ; Lenarcic et al ., 2009 ) .