Acknowledgments We acknowledge the substantial contributions of D.A. Powell, M.J. Marcon, and A. L. Leber to this chapter in previous editions. Microbiology Acinetobacter species are nonmotile, oxidase-negative, catalase-positive, strictly aerobic, gram-negative coccobacilli. Their inability to ferment glucose or to reduce…
Microbiology The genus Serratia, family Yersiniaceae fam.nov, order Enterobacterales ord.nov (former family Enterobacteriaceae), contains at least 15 species. Serratia marcescens is the primary pathogenic species in humans, but a few cases of human infections are caused by S. liquefaciens ,…
Microbiology and Epidemiology Organisms belonging to the genera Proteus, Providencia, and Morganella are phylogenetically related members of the family Morganellaceae fam.nov , order Enterobacterales ord.nov. (former family Enterobacteriaceae) and are often referred to as the Proteeae. All members of these…