Acinetobacter variabilis sp nov (formerly DNA group 15 sensu Tjernberg & Ursing), isolated from humans and animals

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Publikace nespadá pod Pedagogickou fakultu, ale pod Středoevropský technologický institut. Oficiální stránka publikace je na webu muni.cz.
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KŘÍŽOVÁ Lenka MCGINNIS Jana MAIXNEROVÁ Martina NEMEC Matěj POIREL Laurent MINGLE Lisa ŠEDO Ondrej WOLFGANG William NEMEC Alexandr

Rok publikování 2015
Druh Článek v odborném periodiku
Časopis / Zdroj International Journal of Systematic and Evolutionary Microbiology
Fakulta / Pracoviště MU

Středoevropský technologický institut

Citace
www http://ijs.sgmjournals.org/content/65/Pt_3/857.full.pdf+html
Doi http://dx.doi.org/10.1099/ijs.0.000028
Obor Mikrobiologie, virologie
Klíčová slova GENUS ACINETOBACTER; CATTLE
Popis We aimed to define the taxonomic status of 16 strains which were phenetically congruent with Acinetobacter DNA group 15 described by Tjernberg & Ursing in 1989. The strains were isolated from a variety of human and animal specimens in geographically distant places over the last three decades. Taxonomic analysis was based on an Acinetobacter-targeted, genus-wide approach that included the comparative sequence analysis of housekeeping, protein-coding genes, whole-cell profiling based on matrix-assisted laser desorption ionization-time-of-flight mass spectrometry (MALDI-TOF MS), an array of in-house physiological and metabolic tests, and whole-genome comparative analysis. Based on analyses of the rpoB and gyrB genes, the 16 strains formed respective, strongly supported clusters clearly separated from the other species of the genus Acinetobacter. The distinctness of the group at the species level was indicated by average nucleotide identity values of <= 82% between the whole genome sequences of two of the 16 strains (NIPH 2171(T) and NIPH 899) and those of the known species. In addition, the coherence of the group was also supported by MALDI-TOF MS. All 16 strains were non-haemolytic and non-gelatinase-producing, grown at 41 degrees C and utilized a rather limited number of carbon sources. Virtually every strain displayed a unique combination of metabolic and physiological features. We conclude that the 16 strains represent a distinct species of the genus Acinetobacter, for which the name Acinetobacter variabilis sp. nov. is proposed to reflect its marked phenotypic heterogeneity. The type strain is NIPH 2171(T) (=CIP 110486(T)=CCUG 26390(T)=CCM 8555(T)).
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