Abstract
Two novel actinobacteria, designated strains YIM 101617(T) and YIM 101632(T), were isolated from Lama pacos (alpaca) and Viverra zibetha (civet) faeces in Yunnan Wild Animal Park in Yunnan province, southwestern China. Both strains should be placed in genus Enteractinococcus based on phylogenetic analysis. Based on 16S rRNA gene sequence analysis, strain YIM 101617(T) exhibits high similarity to Enteractinococcus fodinae DSM 22966(T) (97.70%) and Enteractinococcus coprophilus YIM 100590(T) (97.45%), whilst YIM 101632(T) exhibits high similarity to Enteractinococcus coprophilus YIM 100590(T) (97.25%), and the similarity between YIM 101617(T) and YIM 101632(T) is 95.90%. However, DNA-DNA hybridization values of the two strains with the type strains in the genus Enteractinococcus were low (<70%). Most morphological and chemotaxonomic characteristics of the two strains were found to be similar to those of species in the genus Enteractinococcus but also some differences were observed. The DNA G+C contents of strains YIM 101617(T) and YIM 101632(T) were determined to be 55.9 and 56.4mol%, respectively. Based on these data, the two strains are concluded to represent two different novel species in the genus Enteractinococcus. The names Enteractinococcus lamae sp. nov. (type strain YIM 101617(T)=DSM 27612(T)=CCTCC AB 2013230(T)) and Enteractinococcus viverrae sp. nov. (type strain YIM 101632(T)=KCTC 39552(T)=CCTCC AB 2013280(T)) are proposed, respectively.
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