The Family Enterobacteriaceae

Authored by: J. Michael Janda , Sharon L. Abbott

Practical Handbook of Microbiology

Print publication date:  June  2015
Online publication date:  June  2015

Print ISBN: 9781466587397
eBook ISBN: 9781466587403
Adobe ISBN:


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There is no single family in the δ class of the phylum Proteobacteria that has had a greater impact on medicine, public health, molecular genetics and phylogeny, pathogenesis, gene structure, regulation, and function, or microbial ecology and physiology than the Enterobacteriaceae. The family currently consists of more than 50 different recognized or proposed genera including over 200 species. Current genera may contain as few as one (e.g., Plesiomonas) to as many as 26 distinct species (e.g., Enterobacter). The metamorphosis of the family over the past few decades and the explosion in the number of recognized taxa are testimonies to the early pioneering studies by the Centers for Disease Control and Prevention and the Pasteur Institute (French: Institut Pasteur) using DNA– DNA relatedness parameters and to more recent phylogenetic investigations employing 16S rRNA gene sequencing. Recent proposed additions to the family include Lelliottia gen. nov., Pluralibacter gen. nov., and Kosakonia gen. nov. 1

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