Topic
Sphingobacteriaceae
About: Sphingobacteriaceae is a research topic. Over the lifetime, 23 publications have been published within this topic receiving 832 citations.
Papers
TL;DR: Based on its 16S rRNA gene sequence, strain TBC1T was shown to represent a distinct lineage at the family level in the phylum Bacteroidetes and is considered to be the type strain of a novel species of a new genus, Lentimicrobium saccharophilum gen. nov.
Abstract: A novel, strictly anaerobic, short rod-shaped bacterium, designated strain TBC1T, was isolated from methanogenic granular sludge in a full-scale mesophilic upflow anaerobic sludge blanket reactor treating high-strength starch-based organic wastewater. Cells of this strain were 2–4 µm long and 0.4–0.6 µm wide. They were non-motile and Gram-stain-negative. The optimum growth temperature was 30–37 °C, with a range of 20–40 °C. The optimum pH for growth was around pH 7.0, while growth occurred in a range of pH 6.5–9.0. Strain TBC1T grew chemo-organotrophically on a narrow range of carbohydrates under anaerobic conditions. Yeast extract was required for its growth. The major fermentative end products from glucose, supplemented with yeast extract, were acetate, malate, propionate, formate and hydrogen. Doubling time under optimal growth conditions was estimated to be 1 day. The DNA G+C content of strain TBC1T was 49.2 mol% as determined by HPLC. Major cellular fatty acids were C16 : 0, C18 : 0, C16 : 1
ω9c and C18 : 1
ω9c. Based on its 16S rRNA gene sequence, strain TBC1T was shown to represent a distinct lineage at the family level in the phylum
Bacteroidetes
. Among previously described species of this phylum,
Mucilaginibacter boryungensis
BDR-9T (
Sphingobacteriaceae
) displayed the highest sequence similarity (85.9 %) with strain TBC1T. Phylogenomic analyses using 38–83 single copy marker genes also supported the novelty of strain TBC1T at the family level. Based on its characteristics, strain TBC1T (=JCM 30898T=DSM 100618T) is considered to be the type strain of a novel species of a new genus, Lentimicrobium saccharophilum gen. nov., sp. nov. A new family, Lentimicrobiaceae fam. nov., is also proposed encompassing the strain and related environmental 16S rRNA gene clone sequences.
196 citations
TL;DR: A Gram-negative, rod-shaped, non-spore-forming bacterium isolated from a nitrifying inoculum represents a novel species within this genus, for which the name Pedobacter caeni sp.
Abstract: A Gram-negative, rod-shaped, non-spore-forming bacterium was isolated from a nitrifying inoculum. On the basis of 16S rRNA gene sequence similarity, LMG 22862(T) was shown to belong to the family Sphingobacteriaceae, related to Pedobacter africanus (98.0 %) and Pedobacter heparinus (97.6 %). The results of 16S rRNA gene sequence analysis, DNA-DNA hybridization, SDS-PAGE, analysis of the fatty acid composition and physiological and biochemical tests allowed genotypic and phenotypic differentiation of LMG 22862(T) from Pedobacter species with validly published names. LMG 22862(T) therefore represents a novel species within this genus, for which the name Pedobacter caeni sp. nov. is proposed, with the type strain LMG 22862(T) (=DSM 16990(T)).
78 citations
TL;DR: Phenotypic, chemotaxonomic and phylogenetic analyses indicated that strain CL-GP80(T) could be assigned to the genus Pedobacter, but distinguished from recognized species of the genus.
Abstract: A Gram-negative, pink-coloured, rod-shaped, non-flagellated bacterium, designated CL-GP80(T), was isolated from a hypertrophic pond located within the campus of Seoul National University, Korea. Analysis of its 16S rRNA gene sequence revealed that strain CL-GP80(T) belongs to the family Sphingobacteriaceae and is closely related to Pedobacter heparinus ATCC 13125(T) (95.8 % sequence similarity) and to other members of the genus Pedobacter (90.8-95.3 % similarity). Temperature and pH ranges for growth were 5-33 degrees C and pH 6-8, respectively. The DNA G+C content was 41.3 mol%. The major fatty acids were iso-C(15 : 0) (37.0 %), iso-C(15 : 0) 2-OH and/or C(16 : 1)omega7c (24.5 %), and iso-C(17 : 0) 3-OH (11.3 %). Phenotypic, chemotaxonomic and phylogenetic analyses indicated that strain CL-GP80(T) could be assigned to the genus Pedobacter, but distinguished from recognized species of the genus. Strain CL-GP80(T) (=KCCM 42272(T)=JCM 13399(T)) is therefore proposed as the type strain of a novel species, for which the name Pedobacter roseus sp. nov. is proposed.
75 citations
TL;DR: Differential phenotypic properties were sufficient to categorize strain DS-27(T) as representing a species that is separate from recognized Pedobacter species, for which the namePedobacter sandarakinus sp.
Abstract: A Gram-negative, non-motile, rod-shaped bacterial strain, designated DS-27(T), was isolated from a soil sample, and its taxonomic position was investigated by using a polyphasic approach. The organism grew optimally at 30 degrees C and in the presence of 0-0.5 % (w/v) NaCl. Strain DS-27(T) contained MK-7 as the predominant menaquinone and iso-C(15 : 0), C(16 : 1)omega7c and/or iso-C(15 : 0) 2-OH and iso-C(17 : 0) 3-OH as the major fatty acids. The DNA G + C content was 39.7 mol%. Phylogenetic analyses based on 16S rRNA gene sequences revealed that strain DS-27(T) is most closely related to the genus Pedobacter of the family Sphingobacteriaceae. Similarity values between the 16S rRNA gene sequences of strain DS-27(T) and the type strains of recognized Pedobacter species ranged from 90.6 to 95.5 %. Differential phenotypic properties, together with the phylogenetic distinctiveness, were sufficient to categorize strain DS-27(T) as representing a species that is separate from recognized Pedobacter species. On the basis of its phenotypic properties and phylogenetic distinctiveness, strain DS-27(T) (=KCTC 12559(T) = CIP 108922(T)) was classified in the genus Pedobacter as a member of a novel species, for which the name Pedobacter sandarakinus sp. nov. is proposed.
43 citations
TL;DR: Strain PB92(T) (=KCTC 12511(T)=DSM 19486(T)) is proposed as the type strain of a novel species, Pedobacter agri sp.
Abstract: A Gram-negative strain, PB92(T), which belongs to the family Sphingobacteriaceae, was isolated from soil (Daejeon, Korea). Phylogenetic analysis based on 16S rRNA gene sequences showed that strain PB92(T) was associated with the genus Pedobacter and was most closely related to the type strains Pedobacter sandarakinus DS-27(T) (97.7 %), Pedobacter roseus CL-GP80(T) (97.5 %) and Pedobacter suwonensis 15-52(T) (97.5 %). The major cellular fatty acid components of strain PB92(T) were C(16 : 1)omega7c (21.4 %), iso-C(15 : 0) (30.8 %), iso-C(17 : 0) 3-OH (9.3 %) and iso-C(15 : 0) 2-OH (11.2 %). The G+C content of the genomic DNA from strain PB92(T) was 41.4 mol%. Analysis of 16S rRNA gene sequences, as well as physiological and biochemical tests, indicated that strain PB92(T) could be differentiated genotypically and phenotypically from reference species of the genus Pedobacter. Strain PB92(T) (=KCTC 12511(T)=DSM 19486(T)) is proposed as the type strain of a novel species, Pedobacter agri sp. nov.
41 citations
Related Topics (5)
Performance Metrics
| Year | Papers |
|---|---|
| 2021 | 2 |
| 2020 | 1 |
| 2017 | 2 |
| 2016 | 3 |
| 2014 | 2 |
| 2012 | 1 |