| thermomonas haemolytica gen. nov., sp. nov., a gamma-proteobacterium from kaolin slurry. | four aerobic, gram-negative bacterial strains isolated from kaolin slurry used in the production of paper were subjected to a polyphasic analysis and characterization to determine their taxonomic position. analysis of the 16s rdna sequences of the four strains revealed that they represent a new lineage within the gamma-proteobacteria, related to the genera xanthomonas, pseudoxanthomonas, stenotrophomonas, luteimonas, xylella and rhodanobacter. analysis of the quinone system, the polyamines, the ... | 2002 | 11931159 |
| thermomonas hydrothermalis sp. nov., a new slightly thermophilic gamma-proteobacterium isolated from a hot spring in central portugal. | several non-pigmented bacterial isolates, with an optimum growth temperature of about 50 degrees c, were recovered from the hot spring at são gemil in central portugal. phylogenetic analyses of the 16s rrna gene sequence of strain sgm-6t indicated that this organism represents a new species of the gamma-subclass of the proteobacteria that is closely related to the newly described slightly thermophilic species thermomonas haemolytica. the major fatty acids of strains sgm-6t and sgm-7 are c15:0 is ... | 2003 | 12747412 |
| thermomonas fusca sp. nov. and thermomonas brevis sp. nov., two mesophilic species isolated from a denitrification reactor with poly(epsilon-caprolactone) plastic granules as fixed bed, and emended description of the genus thermomonas. | previously, 22 aerobic gram-negative bacteria were isolated from biofilms growing on granules of the synthetic polyester poly(epsilon-caprolactone); the granules were used as a fixed bed in a denitrification reactor. all the strains showed similar fatty acid profiles. the 16s rrna gene sequences of five strains were phylogenetically related to thermomonas spp. repetitive extragenic palindromic dna-pcr (rep-pcr) fingerprinting revealed four groups, and dna hybridizations between representative st ... | 2003 | 14657130 |
| silanimonas lenta gen. nov., sp. nov., a slightly thermophilic and alkaliphilic gammaproteobacterium isolated from a hot spring. | a moderately thermophilic aerobic bacterium, strain 25-4t, was isolated from a hot spring at baekdoo mountain in korea. the cells were gram-negative, motile rods each having a polar flagellum. analysis of the 16s rrna gene sequence indicated that the strain represented a new lineage within the family 'xanthomonadaceae' of the 'gammaproteobacteria', being most closely related to the genera thermomonas, xanthomonas, luteimonas, pseudoxanthomonas, stenotrophomonas and xylella and having 16s rrna ge ... | 2005 | 15653905 |
| aquimonas voraii gen. nov., sp. nov., a novel gammaproteobacterium isolated from a warm spring of assam, india. | a bacterial strain designated gptsa 20(t), which was isolated from a warm spring in assam, india, was characterized by using a polyphasic approach. the cells were gram-negative, aerobic rods, which could not utilize or produce acid from most of the carbohydrates tested. the predominant fatty acids were c(15:0) iso (25.04%), c(17:1) iso omega9c (19.28%), c(16:0) iso (17.73%) and c(11:0) iso 3-oh (9.34%). the g+c content was 75 mol%. from 16s rrna gene sequence analysis (1433 nucleotides, continuo ... | 2005 | 16014470 |
| thermomonas koreensis sp. nov., a mesophilic bacterium isolated from a ginseng field. | a gram-negative, non-spore-forming, rod-shaped, motile bacterium, strain ko06(t), was isolated from soil from a ginseng field in south korea and was characterized in order to determine its taxonomic position. 16s rrna gene sequence analysis revealed that strain ko06(t) belongs to the gammaproteobacteria, and the highest levels of sequence similarity were with thermomonas brevis lmg 21746(t) (98.4 %), thermomonas fusca lmg 21737(t) (97.7 %), thermomonas haemolytica a50-7-3(t) (96.5 %) and thermom ... | 2006 | 16825638 |
| aspromonas composti gen. nov., sp. nov., a novel member of the family xanthomonadaceae. | two novel bacteria, strains tr7-09(t) and p2-12-1, were isolated from samples of compost and river sediment, respectively. the strains comprised gram-negative, motile, non-spore-forming rods, produced creamy white colonies on r2a agar, contained q-8 as the predominant ubiquinone, contained iso-15 : 0, iso-17 : 0 omega 9c and iso-11 : 0 3-oh as the major fatty acids, and had polar lipid profiles consisting of phosphatidylmethylethanolamine, phosphatidylethanolamine, phosphatidylglycerol and an un ... | 2007 | 17684274 |
| arenimonas malthae sp. nov., a gammaproteobacterium isolated from an oil-contaminated site. | a gram-negative, rod-shaped bacterium (cc-jy-1(t)) was isolated on nutrient agar from a soil sample collected from an oil-contaminated site located in chyai county, taiwan. 16s rrna gene sequence analysis demonstrated that this isolate is unique, showing 96.7 % sequence similarity to the type strain of arenimonas donghaensis and similarities of 93.0-93.8 % to species of the genera thermomonas, lysobacter and silanimonas. the presence of ubiquinone q-8, a polar lipid profile consisting of the maj ... | 2007 | 18048725 |
| intergeneric coaggregation of non-flocculating acinetobacter spp. isolates with other sludge-constituting bacteria. | the ability of non-flocculating acinetobacter spp. isolates (a. johnsonii s35 and a. junii s33) to coaggregate with other sludge-constituting bacteria obtained from a sewage sludge sample was assessed by a spectrophotometric assay. a. johnsonii s35 showed significant coaggregation (aggregation index (ai)=70 to 99%) with 7 strains, bacillus cereus, blastomonas natatoria, mycobacterium sp., thermomonas brevis, and enterobacteriaceae family, identified by sequencing of 16s rrna genes. a. junii s33 ... | 2009 | 19332298 |
| effect of high temperature on bacterial community dynamics in anaerobic acidogenesis using mesophilic sludge inoculum. | in this study, we investigated the microbial community dynamics in thermal acidogenesis using mesophilic sludge. from the result of optimization with a response surface methodology, the acidogenic optimum conditions predicted were a hydraulic retention time of 2.0 days and 51 degrees c. denaturing gradient gel electrophoresis (dgge) profiles shows that the monitored bacterial community present consists of pseudomonas mendocina, bacillus halodurans, clostridium hastiforme, gracilibacter thermotol ... | 2010 | 19362824 |
| influence of temperature on the characteristics of aerobic granulation in sequencing batch airlift reactors. | aerobic granular sludge was cultivated in sequencing batch airlift reactors (sbar) at 25, 30, and 35 degrees c, respectively. the effect of temperature on the granules characteristics was analyzed and the microbial community structures of the granules were probed using scanning electron microscope (sem) and polymerase chain reaction-denaturing gradient gel electrophoresis (pcr-dgge). the results showed that 30 degrees c is optimum for matured granule cultivation, where the granules had a more co ... | 2009 | 19634435 |
| effect of pine bark and compost on the biological denitrification process of non-hazardous landfill leachate: focus on the microbiology. | in an attempt to optimize the cost-efficiency of landfill leachate treatment by biological denitrification process, our study focused on finding low-cost alternatives to traditional expensive chemicals such as composted garden refuse and pine bark, which are both available in large amount in south african landfill sites. the overall objective was to assess the behaviour of the bacterial community in relation to each substrate while treating high strength landfill leachates. denitrification proce ... | 2010 | 20554377 |
| characterization of bacterial community structure in a drinking water distribution system during an occurrence of red water. | the role of bacteria in the occasional emergence of red water, which has been documented worldwide, has yet to be determined. to better understand the mechanisms that drive occurrences of red water, the bacterial community composition and the relative abundance of several functional bacterial groups in a water distribution system of beijing during a large-scale red water event were determined using several molecular methods. individual clone libraries of the 16s rrna gene were constructed for th ... | 2010 | 20851995 |
| [experimental study of autotrophic denitrification bacteria through bioaugmentation of activated sludge from municipal wastewater plant]. | activated sludge of municipal wastewater treatment plant was domesticated by sulfur as the electron donor under autotrophic. the sludge activity was determined by measuring growth rate of sludge. the removal efficiency of nitrate and sulfate production efficiency were analyzed by continuously measuring the concentration of no3(-)-n and so4(2-). when the removal efficiency of nitrate was more than 90%, 16s rrna genetic libraries were built up to compare their microbial biodiversity. the growth ra ... | 2011 | 21717771 |