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These isolates were identified by matrix-assisted laser desorption\/ionization time-of-flight mass spectrometry and GTDB-Tk software as members of the genus\n                    <jats:italic>Acinetobacter<\/jats:italic>\n                    . Phylogenomic analysis based on the core genome showed that these isolates formed two separate branches (1 including 11 isolates: ULE_I046\n                    <jats:sup>T<\/jats:sup>\n                    , ULE_I001, ULE_I024, ULE_I037, ULE_I053, ULE_I057, ULE_I064, ULE_I068, ULE_I075, ULE_I080 and ULE_I092; and the other only one, ULE_I010\n                    <jats:sup>T<\/jats:sup>\n                    ) separated from all known\n                    <jats:italic>Acinetobacter<\/jats:italic>\n                    species. Average nucleotide identity and digital DNA\u2013DNA hybridization values of all isolates with closely related type strains of species of the genus\n                    <jats:italic>Acinetobacter<\/jats:italic>\n                    supported their status as new species. The names\n                    <jats:italic>Acinetobacter legionensis<\/jats:italic>\n                    sp. nov. (comprising 11 isolates) and\n                    <jats:italic>Acinetobacter psychrotolerans<\/jats:italic>\n                    sp. nov. (comprising one strain) were proposed for the two novel taxa. Additional phylogenomic and phenotypic analyses showed that strain LMG 10606 (=RUH 2236), originally assigned to\n                    <jats:italic>Acinetobacter guillouiae,<\/jats:italic>\n                    belongs to\n                    <jats:italic>A. legionensis<\/jats:italic>\n                    sp. nov. Other two strains from the original description of\n                    <jats:italic>A. guillouiae<\/jats:italic>\n                    (LUH 5606 and LUH 6980) may also represent members of\n                    <jats:italic>A. legionensis<\/jats:italic>\n                    sp. nov., as indicated by a\n                    <jats:italic>rpoB<\/jats:italic>\n                    gene phylogenetic tree analysis. The phenotypic characteristics most useful for the differentiation of the novel species described in the present study from known\n                    <jats:italic>Acinetobacter<\/jats:italic>\n                    species were the assimilation of malonate and the inability to grow on histamine and phenylacetate of\n                    <jats:italic>A. legionensis<\/jats:italic>\n                    sp. nov., and the inability of\n                    <jats:italic>A. psychrotolerans<\/jats:italic>\n                    sp. nov. to grow over 30 \u00b0C. The type strain\n                    <jats:italic>A. legionensis<\/jats:italic>\n                    ULE_I046\n                    <jats:sup>T<\/jats:sup>\n                    (=CECT 31169\n                    <jats:sup>T<\/jats:sup>\n                    =CCP 535\n                    <jats:sup>T<\/jats:sup>\n                    ) has a genome size of 4.58 Mb and a G+C content of 37.7 mol%. The type strain\n                    <jats:italic>A. psychrotolerans<\/jats:italic>\n                    ULE_I010\n                    <jats:sup>T<\/jats:sup>\n                    (=CECT 31168\n                    <jats:sup>T<\/jats:sup>\n                    =CCP 534\n                    <jats:sup>T<\/jats:sup>\n                    ) has a genome size of 3.56 Mb, with a G+C content of 37.2 mol%.\n                  <\/jats:p>","DOI":"10.1099\/ijsem.0.007285","type":"journal-article","created":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T15:16:25Z","timestamp":1790176585000},"source":"Crossref","is-referenced-by-count":0,"title":["Acinetobacter legionensis sp. nov. and Acinetobacter psychrotolerans sp. nov. isolated from different types of retail meat"],"prefix":"10.1099","volume":"76","author":[{"given":"Alba","family":"Puente","sequence":"first","affiliation":[{"name":"Institute of Food Science and Technology (ICTAL), Universidad de Le\u00f3n, Le\u00f3n, 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