ABSTRACT
During previous studies to evaluate the phylogenetic diversity of Aeromonas from untreated waters and vegetables intended for human consumption, a group of isolates formed a unique gyrB phylogenetic cluster, separated from those of all other species described so far. A subsequent extensive phenotypic characterization, DNA-DNA hybridization, 16S rRNA gene sequencing, multi-locus phylogenetic analysis of the concatenated sequence of seven housekeeping genes (gyrB, rpoD, recA, dnaJ, gyrA, dnaX, and atpD; 4705 bp), and ERIC-PCR, were performed in an attempt to ascertain the taxonomy position of these isolates. This polyphasic approach confirmed that they belonged to a novel species of the genus Aeromonas, for which the name Aeromonas lusitana sp. nov. is proposed, with strain A.11/6(T) (=DSMZ 24095(T), =CECT 7828(T)) as the type strain.
Subject(s)
Aeromonas/isolation & purification , Fresh Water/microbiology , Vegetables/microbiology , Aeromonas/classification , Aeromonas/genetics , DNA, Bacterial/genetics , DNA, Ribosomal/genetics , Food Contamination/analysis , Humans , Phylogeny , RNA, Ribosomal, 16S/geneticsABSTRACT
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