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Reclassification of Arthrobacter nasiphocae (Collins et al. 2002) as Falsarthrobacter nasiphocae gen. nov., comb. nov

Artikel i vetenskaplig tidskrift
Författare H. J. Busse
Edward R.B. Moore
Publicerad i International Journal of Systematic and Evolutionary Microbiology
Volym 68
Nummer/häfte 4
Sidor 1361-1364
ISSN 1466-5026
Publiceringsår 2018
Publicerad vid Institutionen för biomedicin, avdelningen för infektionssjukdomar
Sidor 1361-1364
Språk en
Länkar https://dx.doi.org/10.1099/ijsem.0....
Ämnesord lipid-composition, sequences, trees, Microbiology
Ämneskategorier Mikrobiologi

Sammanfattning

The original description of Arthrobacter nasiphocae M597/99/10(T) demonstrated that it is distantly related to the type species of the genus Arthrobacter, Arthrobacter globiformis, and that this phylogenetic relationship is reflected by the distinct peptidoglycan type [Lys-Ala(2)-Gly(2-3)-Ala(Gly)] and the features of the quinone system, which is composed of menaquinones MK-9(H-2) and MK-8(H-2). Here, we report a re-evaluation of the taxonomic status of A. nasiphocae. Phylogenetically, it was observed to be only distantly related to the genus Arthrobacter and to the type species of related genera. Re-analysis confirmed the quinone system menaquinones MK-9(H-2) and MK-8(H-2) in A. nasiphocae. Analysis of cell polar lipids showed a profile consisting of the predominant lipids diphosphatidylglycerol, phosphatidylglycerol, dimannosylglyceride, an unidentified phospholipid and an unidentified aminophosphoglycolipid, and several minor unidentified lipids. This profile clearly is different from that of Arthrobacter species. The cell fatty acid profile also showed characteristics that distinguished A. nasiphocae from Arthrobacter species. The phylogenetic distance of A. nasiphocae from any type species of genera within the family Micrococcaceae and the distinct chemotaxonomic traits warrant the reclassification of A. nasiphocae within a novel genus, for which we propose the name Falsarthrobacter nasiphocae gen. nov., comb. nov. The type strain is M597/99/10(T) (=CCUG 42953(T)=CIP 107054(T)=DSM 13988(T)=JCM 11677(T)).

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