| dyadobacter fermentans gen. nov., sp. nov., a novel gram-negative bacterium isolated from surface-sterilized zea mays stems. | a gram-negative bacterium, designated ns114t, was isolated from duplicate treatments of surface-sterilized zea mays stems. the plants were grown in synthetic soil under greenhouse conditions and watered with fertilizer containing no nitrogen. strain ns114t could not be isolated from plants watered with the standard level or 20% (w/v) of the standard level of nitrogen. cells occurred as pairs in young cultures that attached to form angled arrangements in r2a broth and occasionally formed rounded, ... | 2000 | 10758885 |
| isolation and taxonomic affiliation of n-heterocyclic aromatic hydrocarbon-transforming bacteria. | the azaarenes (nitrogen-containing heterocyclic aromatic hydrocarbons) are products of incomplete combustion processes and thus are widely distributed with tar and oil products in the environment. despite their adverse organoleptic, toxic, and carcinogenic characteristics, the biodegradability and fate of multi-ring azaarenes have received little attention. this work demonstrates the presence of genetically diverse azaarene-degrading bacteria in coal tar-contaminated soils. thirty-eight bacteria ... | 2005 | 15650851 |
| dyadobacter crusticola sp. nov., from biological soil crusts in the colorado plateau, usa, and an emended description of the genus dyadobacter chelius and triplett 2000. | bacterial strain cp183-8(t) was isolated from biological soil crusts collected in the colorado plateau, usa. cells of this strain were aerobic, non-motile, gram-negative, psychrotolerant and formed beaded chains in the stationary growth phase. they contained c(16 : 1)omega5c and c(16 : 1)omega7c as major fatty acids. 16s rrna gene sequence analysis assigned the strain to the genus dyadobacter. however, it shared a sequence similarity of only 95.88 % with the type strain of dyadobacter fermentans ... | 2005 | 15879270 |
| dyadobacter hamtensis sp. nov., from hamta glacier, located in the himalayas, india. | strain hhs 11(t) was isolated from a water sample collected from the snout of hamta glacier located in the himalayan mountain ranges of india. phenotypic, chemotaxonomic and phylogenetic analyses established the affiliation of the isolate to the genus dyadobacter. hhs 11(t) possessed 96 and 95% 16s rrna gene sequence similarity with respect to dyadobacter crusticola and dyadobacter fermentans, respectively. furthermore, strain hhs 11(t) differs from d. crusticola and d. fermentans in a number of ... | 2005 | 16166718 |
| dyadobacter ginsengisoli sp. nov., isolated from soil of a ginseng field. | a gram-negative, aerobic, non-motile, non-spore-forming and rod-shaped bacterium, strain gsoil 043(t), was isolated from soil from a ginseng field in pocheon province, south korea. the novel isolate was characterized in order to determine its taxonomic position. on the basis of 16s rrna gene sequence similarity, strain gsoil 043(t) was shown to belong to the family 'flexibacteraceae' and was related to dyadobacter fermentans (96.7 %), dyadobacter crusticola (96.3 %) and dyadobacter hamtensis (95 ... | 2006 | 16902034 |
| dyadobacter beijingensis sp. nov., isolated from the rhizosphere of turf grasses in china. | strain a54(t) was isolated from rhizospheric soil of turf grasses irrigated with reclaimed water in taoranting park, beijing, china. phenotypic, chemotaxonomic and polygenetic analyses established the affiliation of the isolate to the genus dyadobacter. strain a54(t) possessed 97.7, 94.4 and 94.7 % 16s rrna gene sequence similarity with respect to the type strains of dyadobacter fermentans, d. hamtensis and d. crusticola, respectively. furthermore, dna-dna hybridization did not show significant ... | 2007 | 17392220 |
| persicitalea jodogahamensis gen. nov., sp. nov., a marine bacterium of the family 'flexibacteraceae', isolated from seawater in japan. | an obligately aerobic, gram-negative, non-motile, pale-pink-pigmented, rod-shaped strain, designated shu-9-sy12-35c(t), was isolated from seawater in jodogahama, iwate, japan, and was subjected to a polyphasic taxonomic examination. phylogenetic analyses based on the 16s rrna gene sequence revealed that the novel isolate was affiliated with the family 'flexibacteraceae' of the phylum bacteroidetes and that it showed highest sequence similarity (86.4 %) with dyadobacter hamtensis hhs 11(t). the n ... | 2007 | 17473250 |
| dyadobacter koreensis sp. nov., isolated from fresh water. | a non-motile, rod-shaped, light-yellow-pigmented bacterium, designated strain wpcb159(t), was isolated from freshwater samples collected from the woopo wetland in korea. the cells were gram-negative, aerobic and catalase- and oxidase-positive. the major fatty acids were c(16 : 1)omega7c (34.8 %), iso-c(15 : 0) (24.2 %) and c(16 : 0) (9.4 %). the dna g+c content was 44 mol%. a phylogenetic tree based on 16s rrna gene sequences showed that strain wpcb159(t) forms a lineage within the genus dyadoba ... | 2007 | 17551034 |
| characterization of aerobic bacterial and fungal microbiota on surfaces of historic scottish monuments. | twenty samples were taken from the inner or outer surfaces of stone monuments of six historic scottish buildings and ruins. biofilms developing on mineral substrates were analysed by in situ scanning electron microscopy and cultivation. various methods were used to characterize the isolates including automated ribotyping, rapd and sequencing of the 16s rrna gene for bacteria, and stereomicroscopy and sequencing of the internal transcribed spacers (its) for fungi. most samples contained microbes ... | 2007 | 17583461 |
| dyadobacter alkalitolerans sp. nov., isolated from desert sand. | a polyphasic taxonomic approach was used to study strain 12116t, which was isolated from desert sand in xinjiang, china. cells of the isolate were gram-negative, non-motile, rod-shaped and aerobic. mk-7 was the predominant respiratory menaquinone. the dna g+c content was 46.3 mol%. a phylogenetic analysis based on 16s rrna gene sequences showed that the isolate was most closely related to the members of the genus dyadobacter, with similarities ranging from 94.7 to 96.6 %. therefore, on the basis ... | 2009 | 19126724 |
| dyadobacter psychrophilus sp. nov., a psychrophilic bacterium isolated from soil. | a gram-negative, aerobic bacterium, designated strain bz26(t), was isolated from hydrocarbon-contaminated soil. the strain was psychrophilic, showing good growth over a temperature range of 1-20 degrees c. phylogenetic analysis based on 16s rrna gene sequences showed that strain bz26(t) was related to members of the genus dyadobacter and had highest 16s rrna gene sequence similarity to dyadobacter alkalitolerans 12116(t) (98.1 %), dyadobacter koreensis kctc 12537(t) (97.5 %) and dyadobacter gins ... | 2010 | 19717578 |
| establishing a risk-assessment process for release of genetically modified wine yeast into the environment. | the use and release of genetically modified organisms (gmos) is an issue of intense public concern and, in the case of food and beverages, products containing gmos or products thereof carry the risk of consumer rejection. the recent commercialization of 2 gm wine yeasts in the united states and canada has made research and development of risk assessments for gm microorganisms a priority. the purpose of this study was to take a first step in establishing a risk-assessment process for future use a ... | 2009 | 19898539 |
| dyadobacter soli sp. nov., a starch-degrading bacterium isolated from farm soil. | a gram-negative, non-motile, aerobic bacterial strain, designated mj20(t), was isolated from farm soil near daejeon (south korea) and was characterized taxonomically by using a polyphasic approach. comparative 16s rrna gene sequence analysis showed that strain mj20(t) belongs to the family cytophagaceae, class sphingobacteria, and was related most closely to dyadobacter fermentans dsm 18053(t) (98.9 % sequence similarity), dyadobacter beijingensis jcm 14200(t) (98.0 %) and dyadobacter ginsengiso ... | 2010 | 20008109 |
| pyrosequencing reveals a highly diverse and cultivar-specific bacterial endophyte community in potato roots. | in this study, we examined the bacterial endophyte community of potato (solanum tuberosum) cultivar/clones using two different molecular-based techniques (bacterial automated ribosomal intergenic spacer analysis (b-arisa) and pyrosequencing). b-arisa profiles revealed a significant difference in the endophytic community between cultivars (permanova, p < 0.001), and canonical correspondence analysis showed a significant correlation between the community structure and plant biomass (p = 0.001). py ... | 2010 | 20414647 |
| complete genome sequence of dyadobacter fermentans type strain (ns114). | dyadobacter fermentans (chelius and triplett, 2000) is the type species of the genus dyadobacter. it is of phylogenetic interest because of its location in the cytophagaceae, a very diverse family within the order 'sphingobacteriales'. d. fermentans has a mainly respiratory metabolism, stains gram-negative, is non-motile and oxidase and catalase positive. it is characterized by the production of cell filaments in aging cultures, a flexirubin-like pigment and its ability to ferment glucose, which ... | 2009 | 21304649 |
| phyllosphere bacterial communities of trichome-bearing and trichomeless arabidopsis thaliana leaves. | this study aimed to investigate whether the presence of trichomes as conspicuous physical attributes of the leaf surface affects the microbial community composition on arabidopsis thaliana leaves. the a. thaliana ecotype col-0 and its trichomeless gl1 mutant were grown in growth cabinets under climate-controlled conditions. the gl1 mutant showed a similar wax composition as the col-0 wild type with slightly reduced amounts of c(29), c(31) and c(33) alkanes by gc/ms and gc/fid analyses. 120 bacte ... | 2011 | 22080429 |