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Gewählte Publikation:

Publikationstyp: Zeitschriftenaufsatz
Dokumenttyp: Taxonomic Description

Jahr: 2021

AutorInnen: Busse, HJ; Kämpfer, P; Szostak, MP; Spergser, J

Titel: Luteolibacter ambystomatis sp. nov., isolated from the skin of an Anderson's salamander (Ambystoma andersoni).

Quelle: Int J Syst Evol Microbiol. 2021; 71(10):

Autor/innen der Vetmeduni Vienna:

Busse Hans-Jürgen
Spergser Joachim
Szostak Michael

Beteiligte Vetmed-Organisationseinheiten
Institut für Mikrobiologie

A bacterial strain designated 32AT was isolated from the skin of an Anderson's salamander (Ambystoma andersoni) and subjected to a comprehensive taxonomic study. The strain was Gram-stain-negative, rod-shaped, non-motile, oxidase- and urease-negative, and catalase-positive. 16S rRNA gene sequence comparisons placed the strain in the genus Luteolibacter with highest sequence similarities to Luteolibacter pohnpeiensis A4T-83T (95.2%), Luteolibacter gellanilyticus CB-286403T (95.1%) and Luteolibacter cuticulihirudinis E100T (94.9%). Genomic sequence analysis revealed a size of 5.3 Mbp, a G+C-content of 62.2 mol% and highest ANI values with Luteolibacter luteus (71.2%), Luteolibacter yonseiensis (71.4%) and L. pohnpeiensis (69.5%). In the polyamine pattern, 1,3-diaminopropane and spermidine were predominant. The diagnostic diamino acid of the peptidoglycan was meso-diaminopimelic acid. The quinone system was composed of the major menaquinones MK-9 and MK-10. Major polar lipids were diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, the unidentified aminolipid AL2, the unidentified phospholipid PL2 and the unidentified aminophospholipid APL1. The fatty acid profile contained major amounts of iso-C14:0, iso-C16:0, C16 : 0 and C16 : 1 ω9c. In addition, C14 : 0, C15:0, anteiso-C15 : 0, summed feature 2 (C14 : 0 3OH and/or iso-C16 : 0 I), and the hydroxylated fatty acids iso-C14 : 0 3OH, iso-C16 : 0 3OH and C16 : 0 3-OH were detected. Physiologically, strain 32AT is distinguishable from its next relatives. Based on phylogenetic, genomic, physiological and chemotaxonomic data, strain 32AT represents a novel species of the genus Luteolibacter for which we propose the name Luteolibacter ambystomatis sp. nov. The type strain is 32AT (=CCM 9141T=LMG 32214T).

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