%0 Journal Article %T Definition of a Second Bacillus subtilis pur Regulon Comprising the pur and xpt-pbuX Operons plus pbuG , nupG ( yxjA ), and pbuE ( ydhL ) %A Engholm Johansen, Lars %A Nygaard, Per %A Lassen, Catharina %A Agersø, Yvonne %A Saxild, Hans H. %J Journal of Bacteriology %@ 0021-9193 %D 2003-08-15 %I American Society for Microbiology %~ DeepDyve