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Hafnia alveiRANK: SpeciesTAXONOMY: Bacteria -> Proteobacteria -> Gammaproteobacteria -> Enterobacteriales -> Enterobacteriaceae -> Hafnia -> Hafnia alvei OVERVIEW: Hafnia is the genus of the Enterobacteriaceae family whose only species is the Gram-negative, facultatively anaerobic, rod-shaped bacterium Hafnia alvei. H. alvei is a commensal of the human gastrointestinal tract and not normally pathogenic, but may cause disease in immunocompromised patients. It is often resistant to multiple antibiotics, including the aminopenicillins. This species has been identified as a resident in the human gastrointestinal tract based on the phylogenetic framework of its small subunit ribosomal RNA gene sequences.[PMC 4262072]
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