Ferenci Ferenci; Galbiati Heloisa; Betteridge Thu; Phan Katherine; Spira Beny
(BioMed Central, 2011)
Background Sigma factors and the alarmone ppGpp control the allocation of RNA polymerase to promoters under stressful conditions. Both ppGpp and the sigma factor sS (RpoS) are potentially subject to variability across the ...