Analysis of the Actinobacillus pleuropneumoniae HlyX (FNR) regulon and identification of iron-regulated protein B as an essential virulence factor - Buettner,FFR; Bendalla,IM; Bosse,JT; Meens,J; Nash,JHE; Haertig,E; Langford,PR; Gerlach,G-F (PROTEOMICS, 2009)