| Taxonomy Citation ID | Reference | ||||
|---|---|---|---|---|---|
| 37404 |
Endo A,
Irisawa T,
Futagawa-Endo Y,
Salminen S,
Ohkuma M,
Dicks L,
( 2013 ) Lactobacillus faecis sp. nov., isolated from animal faeces. PMID : 23907223 DOI : 10.1099/ijs.0.052985-0 DOI : 10.1099/ijs.0.052985-0 Abstract >>
Three lactic acid bacteria were isolated from faeces of a jackal (Canis mesomelas) and raccoons (Procyron lotor). The isolates formed a subcluster in the Lactobacillus salivarius phylogenetic group, closely related to Lactobacillus animalis, Lactobacillus apodemi and Lactobacillus murinus, by phylogenetic analysis based on 16S rRNA and recA gene sequences. Levels of DNA-DNA relatedness revealed that the isolates belonged to the same taxon and were genetically separated from their phylogenetic relatives. The three strains were non-motile, obligately homofermentative and produced l-lactic acid as the main end-product from d-glucose. The strains metabolized raffinose. The major cellular fatty acids in the three strains were C16 : 0, C18 : 1�s9c and C19 : 1 cyclo 9,10. Based on the data provided, it is concluded that the three strains represent a novel species of the genus Lactobacillus, for which the name Lactobacillus faecis sp. nov. is proposed. The type strain is AFL13-2(T) (= JCM 17300(T) = DSM 23956(T)).
|
47823 |
Hahn MW,
Schmidt J,
Koll U,
Rohde M,
Verbarg S,
Pitt A,
Nakai R,
Naganuma T,
Lang E,
( 2017 ) Silvanigrella aquatica gen. nov., sp. nov., isolated from a freshwater lake, description of Silvanigrellaceae fam. nov. and Silvanigrellales ord. nov., reclassification of the order Bdellovibrionales in the class Oligoflexia, reclassification of the families Bacteriovoracaceae and Halobacteriovoraceae in the new order Bacteriovoracales ord. nov., and reclassification of the family Pseudobacteriovoracaceae in the order Oligoflexales. PMID : 28771119 DOI : 10.1099/ijsem.0.001965 PMC : PMC5627705 Abstract >>
The unusual chemo-organoheterotrophic proteobacterial strain MWH-Nonnen-W8redT was isolated from a lake located in the Black Forest (Schwarzwald), Germany, by using the filtration-acclimatization method. Phylogenetic analyses based on the 16S rRNA gene sequence of the strain could not provide clear hints on classification of the strain in one of the current classes of the phylum Proteobacteria. Whole-genome sequencing resulted in a genome size of 3.5 Mbp and revealed a quite low DNA G+C content of 32.6 mol%. In-depth phylogenetic analyses based on alignments of 74 protein sequences of a phylogenetically broad range of taxa suggested assignment of the strain to a new order of the class Oligoflexia. These analyses also suggested that the order Bdellovibrionales should be transferred from the class Deltaproteobacteria to the class Oligoflexia, that this order should be split into two orders, and that the family Pseudobacteriovoracaceae should be transferred from the order Bdellovibrionales to the order Oligoflexales. We propose to establish for strain MWH-Nonnen-W8redT (=DSM 23856T=CCUG 58639T) the novel species and genus Silvanigrella aquatica gen. nov., sp. nov. to be placed in the new family Silvanigrellaceae fam. nov. of the new order Silvanigrellales ord. nov.
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