| taxonomic study of bacteria isolated from plants: proposal of sphingomonas rosa sp. nov., sphingomonas pruni sp. nov., sphingomonas asaccharolytica sp. nov., and sphingomonas mali sp. nov. | the taxonomic positions of 10 strains of 3-ketolactose-forming bacteria which were isolated from the roots of plants (rosa sp., psychotria nairobiensis, ardisia crispa, prunus persica, and apple trees) were investigated. the dna base compositions of these strains ranged from 64.0 to 65.7 mol%, the isoprenoid quinone of each strain was ubiquinone 10, 3-hydroxy fatty acids were lacking in the cellular fatty acids of these organisms, and all of the strains contained a sphingolipid with the long-cha ... | 1995 | 7537068 |
| sphingomonas melonis sp. nov., a novel pathogen that causes brown spots on yellow spanish melon fruits. | a polyphasic taxonomic study was performed on the phytopathogenic bacterial strains dapp-pg 224(t) and dapp-pg 228, which cause brown spot on yellow spanish melon (cucumis melo var. inodorus) fruits. based on the presence of glucuronosyl ceramide (sgl-1) in cellular lipids, the results of fatty acid analysis and 16s rdna sequence comparison, the strains had been identified as belonging to the genus sphingomonas and as phylogenetically related to sphingomonas mali, sphingomonas pruni and sphingom ... | 2002 | 12508872 |
| sphingomonas oligophenolica sp. nov., a halo- and organo-sensitive oligotrophic bacterium from paddy soil that degrades phenolic acids at low concentrations. | the taxonomic position of a halo- and organo-sensitive, oligotrophic soil bacterium, strain s213(t), was investigated. cells were gram-negative, non-motile, strictly aerobic, yellow-pigmented rods of short to medium length on diluted nutrient broth. when 0.1-0.4 % (w/v) nacl was added to diluted media composed of peptone and meat extract, growth was inhibited with increasing nacl concentration and the cells became long aberrant forms. when 6 mm cacl(2) was added, the cells grew quite normally an ... | 2004 | 15545456 |
| sphingomonas soli sp. nov., a beta-glucosidase-producing bacterium in the family sphingomonadaceae in the alpha-4 subgroup of the proteobacteria. | strain t5-04t, a gram-negative, non-spore-forming, rod-shaped bacterium, was isolated from soil of a ginseng field in south korea and characterized in order to determine its taxonomic position. 16s rrna gene sequence analysis revealed that strain t5-04t belongs to the alpha-4 subgroup of the proteobacteria, and the highest degrees of sequence similarity determined were to sphingomonas asaccharolytica ifo 10564t (97.5 %), sphingomonas koreensis jss26t (97.1 %), sphingomonas mali ifo 15500t (96.7 ... | 2006 | 16585680 |
| sphingomonas molluscorum sp. nov., a novel marine isolate with antimicrobial activity. | an aerobic, gram-negative, yellow-pigmented, non-motile bacterium, designated strain kmm 3882t, was isolated from a marine bivalve (anadara broughtoni) collected from peter the great bay, sea of japan, and was subjected to phenotypic and phylogenetic analyses. strain kmm 3882t was found to exert a remarkable inhibitory activity against a number of gram-positive micro-organisms. phylogenetic analysis based on 16s rrna gene sequences placed strain kmm 3882t within the genus sphingomonas, as an ind ... | 2007 | 17267979 |
| sphingomonas astaxanthinifaciens sp. nov., a novel astaxanthin-producing bacterium of the family sphingomonadaceae isolated from misasa, tottori, japan. | a red-pigmented, gram-negative, motile, strictly aerobic, mesophilic, oval- or short rod-shaped bacterium (tdma-17(t)) was isolated from fresh water collected at misasa, a radioactive site in japan. tdma-17(t) was slightly tolerant against gamma-ray irradiation, and effectively produced carotenoids (2.8 mg g(-1) dry cells) including, astaxanthin and astaxanthin isomers. phylogenetic analysis based on 16s rrna gene sequences placed tdma-17(t) in a distinct lineage in the family sphingomonadaceae, ... | 2007 | 17590230 |
| sphingomonas jaspsi sp. nov., a novel carotenoid-producing bacterium isolated from misasa, tottori, japan. | a yellow-pigmented, gram-negative, motile, strictly aerobic, pleomorphic bacterium (strain tdma-16(t)) was isolated from a freshwater sample collected at misasa (tottori, japan). strain tdma-16(t) was slightly tolerant to gamma-ray irradiation and produced carotenoids, including zeaxanthin, nostoxanthin and an unknown carotenoid, effectively [1.7 mg (g dry cells)(-1)]. the dna g+c content of strain tdma-16(t) was 63.3 mol%. phylogenetic analysis based on 16s rrna gene sequences placed strain tdm ... | 2007 | 17625171 |
| [relationship between soil fungistasis and bacterial community structure]. | as a natural attribute of clean and healthy soil, fungistasis is an important indicator of soil quality, and has positive ecological significance to the inhibition of plant disease eruption caused by soil-borne fungal pathogens. in this study, soil samples (0-15 cm) were collected from the abandoned land at shenyang experimental station of ecology, chinese academy of sciences, to which pesticides and fertilizers have never been applied for nearly 10 years. a series of soil samples with gradient ... | 2008 | 18839921 |
| sphingomonas aestuarii sp. nov., isolated from tidal flat sediment. | a novel bacterium (strain k4(t)) belonging to the genus sphingomonas was isolated from tidal flat sediment in korea. its morphology, physiology, biochemical features and 16s rrna gene sequence were characterized. colonies of this strain are yellow in colour and the cells are rod-shaped, exhibiting negative gram staining. the strain grows at 0-5 % (w/v) nacl and 20-35 degrees c, with optimal growth occurring at 0 % (w/v) nacl and 30 degrees c. phylogenetic analysis based on 16s rrna gene sequence ... | 2009 | 19502316 |
| sphingomonas aquatica sp. nov., isolated from tap water. | a gram-reaction-negative, strictly aerobic, rod-shaped bacterium, designated w1-2-1t, was isolated from tap water of south korea. the strain was characterized by a polyphasic approach to clarify its taxonomic position. strain w1-2-1t grew at 18-42 °c and at ph 6.0-10.0 on r2a medium. phylogenetic analysis based on 16s rrna gene sequences indicated that the isolate belongs to the genus sphingomonas and is most closely related to the sphingomonas oligophenolica jcm 12082t (97.2 % similarity), sphi ... | 2016 | 27902288 |
| sphingomonas hengshuiensis sp. nov., isolated from lake wetland. | a polyphasic taxonomic study was undertaken to establish the status of a novel bacterium, designated strain whsc-8t, which was isolated from soil of hengshui lake wetland reserve in hebei province, northern china. colonies of this strain were yellow and cells were rod-shaped, polar-flagellated and obligately aerobic, exhibiting negative gram reaction. the strain was able to grow at 0-1 % (w/v) nacl, ph 5-10 and 20-35 °c, with optimal growth occurring at ph 7.0 and 28 °c without nacl. chemotaxono ... | 2015 | 26410379 |
| sphingomonas panacis sp. nov., isolated from rhizosphere of rusty ginseng. | the type strain dcy99(t) was isolated from soil collected from a ginseng field in hwacheon, republic of korea. strain dcy99(t) is gram-negative, non-spore forming, motile, rod-shaped, and strictly aerobic. the bacteria grow optimally at 25-30 °c and ph 6.0-6.5. phylogenetically, strain dcy99(t) is most closely related to sphingomonas oligophenolica jcm 12082(t), followed by sphingomonas asaccharolytica kctc 2825(t), sphingomonas mali kctc 2826(t), sphingomonas cynarae jcm17498(t), sphingomonas p ... | 2015 | 26155772 |
| sphingomonas gei sp. nov., isolated from roots of geum aleppicum. | a yellow-pigmented bacterium, designated strain zfgt-11(t), was isolated from roots of geum aleppicum jacq. collected from taibai mountain in shaanxi province, north-west china, and was subjected to a taxonomic study by using a polyphasic approach. cells of strain zfgt-11(t) were gram-stain-negative, strictly aerobic rods that were surrounded by a thick capsule and were motile by means of a single polar flagellum. phylogenetic analyses based on 16s rrna gene sequences showed that strain zfgt-11( ... | 2015 | 25604345 |
| sphingomonas aerophila sp. nov. and sphingomonas naasensis sp. nov., isolated from air and soil, respectively. | two strains, designated 5413j-26(t) and kis18-15(t), were isolated from the air and forest soil, respectively, in south korea. cells of the two strains were gram-stain-negative, aerobic, polar-flagellated and rod-shaped. according to the phylogenetic tree, strains 5413j-26(t) and kis18-15(t) fell into the cluster of sphingomonas sensu stricto. strain 5413j-26(t) showed the highest sequence similarities with sphingomonas trueperi lmg 2142(t) (96.6%), sphingomonas molluscorum kmm 3882(t) (96.5%), ... | 2014 | 24425812 |
| diversity of cultivable β-glycosidase-producing micro-organisms isolated from the soil of a ginseng field and their ginsenosides-hydrolysing activity. | this research aimed to explore the diversity of cultivable β-glycosidase-producing micro-organisms in ginseng field soil. fifty-three strains showing β-glucosidase activity were isolated from a ginseng field, using a newly designed esculin-r2a agar. all the isolated strains belonged to the genus agrobacterium, arthrobacter, burkholderia, dyella, edaphobacter, luteibacter, mucilaginibacter, paenibacillus, phenylobacterium, pseudomonas, sphingomonas and streptomyces. the main β-glucosidase-produci ... | 2014 | 24117771 |
| sphingomonas indica sp. nov., isolated from hexachlorocyclohexane (hch)-contaminated soil. | a bacterial strain, designated dd16(t), was isolated from a hexachlorocyclohexane (hch) dumpsite at lucknow, india. cells of strain dd16(t) were gram-stain-negative, non-motile, rod-shaped and yellow-pigmented. phylogenetic analysis based on 16s rrna gene sequences showed that the strain belonged to the genus sphingomonas in the family sphingomonadaceae, as it showed highest sequence similarity to sphingomonas asaccharolytica ifo 15499(t) (95.36 %), sphingosinicella vermicomposti yc7378(t) (95.3 ... | 2012 | 22307515 |