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roseomonas, a new genus associated with bacteremia and other human infections.in the 1980s, a pink bacterium different from species of the genus methylobacterium was implicated in human infection. using biochemical tests and dna hybridization, we examined 42 strains of pink-pigmented, gram-negative bacteria that were not members of the genus methylobacterium. the isolates included 6 strains each of cdc "pink coccoid" groups i, ii, iii, and iv; 10 isolates from gilardi's "unnamed taxon"; and 8 blood isolates from ill, debilitated, or immunosuppressed patients. the dna hybr ...19938308122
vertebral osteomyelitis due to roseomonas species: case report and review of the evaluation of vertebral osteomyelitis.we report what we believe is the first case of vertebral osteomyelitis caused by roseomonas species. the diagnosis of vertebral osteomyelitis can be difficult. the case illustrates the importance of the establishment of an etiologic diagnosis in vertebral osteomyelitis. the features of roseomonas species and the evaluation of cases of vertebral osteomyelitis are reviewed.19958749637
an initial appraisal of the clinical significance of roseomonas species associated with human infections.we reviewed laboratory, clinical, and epidemiologic data on 35 patients from whom organisms belonging to the genus roseomonas, a pink-pigmented gram-negative coccobacillus, were isolated over a 22-year period (1972-1994). roseomonas strains were most commonly isolated from middle-aged women with one of several underlying conditions, including cancer and diabetes. roseomonas was most commonly isolated from the blood, in association with clinical signs of sepsis. approximately 60% of all isolates ...19968909835
a case of peritonitis caused by roseomonas gilardii in a patient undergoing continuous ambulatory peritoneal dialysis.a case of peritonitis caused by roseomonas gilardii in a patient receiving continuous ambulatory peritoneal dialysis is presented. the patient's domestic water supply was implicated as the probable source of infection. this is the first report of r. gilardii causing such an infection.19979230401
failure to clear a roseomonas line infection with antibiotic therapy. 19979243053
infections with roseomonas gilardii and review of characteristics used for biochemical identification and molecular typing.roseomonas is a recently described genus of gram-negative coccobacilli formerly designated as "pink-coccoid" groups i through iv by the centers for disease control and prevention (atlanta, ga) because of the organism's characteristic pink colonies. since 1991 we have isolated roseomonas from eight patients; in seven from blood cultures and in one from a skin lesion. the seven blood isolates were from patients with clinically significant underlying diseases who had central venous catheters in pla ...19979260763
catheter-related bacteremia due to roseomonas gilardii sp. nov. 19979316945
peritonitis due to roseomonas fauriae in a patient undergoing continuous ambulatory peritoneal dialysis.roseomonas is a newly described genus of pink-pigmented, nonfermentative, gram-negative bacteria that have been recognized as a cause of human infections. roseomonas fauriae is a species rarely isolated from clinical specimens. we report the first known case of peritonitis caused by r. fauriae in a patient receiving continuous ambulatory peritoneal dialysis.200010618142
[isolation of roseomonas gilardii in a patient with aids]. 200010974778
opportunistic roseomonas keratitis. 200111588436
fatal roseomonas gilardii bacteremia in a patient with refractory blast crisis of chronic myeloid leukemia. 200111683803
catheter-related bacteremia caused by roseomonas gilardii in an immunocompromised patient. 200111724677
bacteremia due to roseomonas spp. 199811864299
roseomonas gilardii infection: case report and review.roseomonas gilardii is a bacterium that has been indicated as a rare cause of human infections. the case of a patient presenting with cellulitis and bacteremia secondary to r. gilardii is described together with the clinical characteristics of infection with this organism obtained from a review of cases previously reported.200212454198
colored moderately thermophilic bacteria in paper-machine biofilms.biofilms cause several problems in papermaking. this report describes a microbiological survey of colored biofilms in six paper and board machines, including two case studies of outbreaks of colored slimes in which the causative bacteria were found. a total of 95 pink-, red-, orange- or yellow-pigmented strains were isolated. nearly all (99%) of the strains grew at 52 degrees c, 72% grew at 56 degrees c, but only 30% grew at 28 degrees c, indicating that most of the strains were moderately therm ...200312700951
teichococcus ludipueritiae gen. nov. sp. nov., and muricoccus roseus gen. nov. sp. nov. representing two new genera of the alpha-1 subclass of the proteobacteria.two bacterial isolates (170/96t and 173/96t) were recovered from the indoor building materials of a children's day care center. phylogenetic analyses using the 16s rrna gene sequences of both isolates indicated they both represent new lineages in the alpha-1-subclass of the proteobacteria, with the highest sequence similarities of 93.7% and 93.6%, respectively to the type strain of paracraurococcus ruber. when directly compared both isolates showed a 93.4% sequence similarity of their 16s rrnas. ...200312747406
bacteriologic characterization of 36 strains of roseomonas species and proposal of roseomonas mucosa sp nov and roseomonas gilardii subsp rosea subsp nov.we used a polyphasic approach (sequencing analysis of the 16s ribosomal rna gene and phenotypic analyses) to characterize 36 strains of roseomonas species isolated from blood. five strains, represented by strain mda5176 (m.d. anderson cancer center), were identified as roseomonas gilardii. one strain belonged to roseomonas genomospecies 4. the 22 strains represented by strain mda5527 showed significant differences genotypically and phenotypically with r gilardii and other roseomonas species and ...200312931556
roseomonas infection associated with a left ventricular assist device.roseomonas species have been increasingly noted as causes of human infection. we present what we believe is the first case of left ventricular assist device (lvad) infection secondary to roseomonas. the clinical characteristics of roseomonas infection and the pertinent features of lvad infection are reviewed.200314700415
amoebae-resisting bacteria isolated from human nasal swabs by amoebal coculture.amoebae feed on bacteria, and few bacteria can resist their microbicidal ability. amoebal coculture could therefore be used to selectively grow these amoebae-resisting bacteria (arb), which may be human pathogens. to isolate new arb, we performed amoebal coculture from 444 nasal samples. we recovered 7 (1.6%) arb from 444 nasal swabs, including 4 new species provisionally named candidatus roseomonas massiliae, c. rhizobium massiliae, c. chryseobacterium massiliae, and c. amoebinatus massiliae. t ...200415109415
clinical significance of roseomonas species isolated from catheter and blood samples: analysis of 36 cases in patients with cancer.this report analyzes 36 cases of bacteremia or catheter-related infection caused by roseomonas species, a group of pink, slimy, waterborne, gram-negative coccobacilli. the causative species included the newly described roseomonas mucosa (22 cases [61%]) and roseomonas gilardii subspecies rosea (8 cases [22%]) and known species r. gilardii subspecies gilardii (5 cases [14%]) and roseomonas genomospecies 4 (1 case [3%]). twenty-nine (81%) of the cases were symptomatic, with fever being the most co ...200415156446
molecular and physiological comparison of azospirillum spp. isolated from rhizoctonia solani mycelia, wheat rhizosphere, and human skin wounds.four phenotypically similar bacterial strains isolated from fungal, plant, and human sources were identified as azospirillum species. strains rc1 and lod4 were isolated from the mycelium of the apple root pathogen rhizoctonia solani ag 5 and from the rhizosphere of wheat grown in apple orchard soil, respectively. strains c610 and f4626 isolated from human wounds were previously misclassified as roseomonas genomospecies 3 and 6. all four strains demonstrated close similarities in 16s rrna gene se ...200415213753
rhodovarius lipocyclicus gen. nov. sp. nov., a new genus of the alpha-1 subclass of the proteobacteria.a bacterial strain (ccug 44693t) was recovered during an industrial hygiene control. phylogenetic analyses using the 16s rrna gene sequence of the isolate indicated that it represents a new lineage in the alpha-1 subclass of the proteobacteria, with the highest sequence similarity of 93.3% to the type strain of muricoccus roseus. in the polyamine pattern spermidine was the predominant compound. the polar lipid profile consisted of the major lipids phosphatidyl ethanolamine, phosphatidyl dimethyl ...200415490551
nosocomial ventriculitis due to roseomonas gilardii complicating subarachnoid haemorrhage.roseomonas gilardii is a pink-pigmented, non-fermentative, gram-negative coccobacillus that has been recognized as a rare cause of human infections. we report the first case of ventriculitis caused by r. gilardii in a 54-year-old man with a subarachnoid haemorrhage secondary to a vertebral artery aneurysm; discuss previous reports of this organism as a nosocomial and community-acquired pathogen, laboratory diagnosis, and patient management.200515780421
catheter-related bacteremia due to roseomonas species in pediatric hematology/oncology patients.roseomonas is a newly described genus of pink-pigmented, gram-negative bacteria. human infections caused by roseomonas species are very rare. we report two cases of central venous catheter-related bacteremia associated with roseomonas species (one case with r. gilardii and one with r. fauriae), and review the clinical spectrum of previously reported cases in the literature. clinicals should be aware that roseomonas species may cause serious infections in children.200615782406
central line-related bacteremia due to roseomonas mucosa in a patient with diffuse large b-cell non-hodgkin's lymphoma.a 42-year-old male patient with a history of diffuse large b-cell non-hodgkin's lymphoma (dlbcl) developed a central line-related bacteremia due to the presence of a gram-negative bacillus, which was difficult to identify conventionally. sequencing of a partial region of the 16s rrna gene identified the organism as roseomonas mucosa with a homology score of 100% with 1003 bases called. due to difficulties with the phenotypic identification of this genus, coupled with its emergence in line-relate ...200516019492
roseomonas lacus sp. nov., isolated from freshwater lake sediment.an aerobic, gram-negative bacterial strain, th-g33t, was isolated from freshwater sediment of taihu lake in china. the taxonomy of strain th-g33t was studied by using phenotypic and phylogenetic methods. cells of strain th-g33t were coccoid rods or rods and formed colourless to pale-pink colonies on nutrient agar. phylogenetic analysis based on nearly complete 16s rrna gene sequences showed that strain th-g33t was related to roseomonas mucosa (94.4 %), roseomonas gilardii subsp. gilardii (94.1 % ...200616403861
belnapia moabensis gen. nov., sp. nov., an alphaproteobacterium from biological soil crusts in the colorado plateau, usa.strain cp2ct was isolated from biological soil crusts in the colorado plateau, usa. the isolate was aerobic, facultatively fermentative, gram-negative, non-motile and red-pigmented (due to the presence of carotenoids), but did not contain bacteriochlorophyll a. the strain tested positive for catalase, oxidase and urease and was negative for lysine and ornithine decarboxylases and arginine dihydrolase. the major fatty acids present were c(18 : 1)omega7c and c(16 : 0). it had a high dna g+c conten ...200616403866
septic arthritis due to roseomonas mucosa in a rheumatoid arthritis patient receiving infliximab therapy.we report a case of septic arthritis due to roseomonas mucosa in a rheumatoid arthritis patient receiving infliximab therapy. this is the first report of septic arthritis due to r. mucosa, and infliximab therapy might be a predisposing factor because this infection was never reported in the pre-anti-tumor necrosis factor alpha therapy period.200616626905
evaluation of pyrrolidonyl arylamidase for the identification of nonfermenting gram-negative rods.to evaluate the activity of pyrrolidonyl arylamidase (pyr) for the differentiation and identification of nonfermenting gram negative rods (nfgnr), 293 isolates were tested. a 24 h culture of each test organism was prepared. from this a 108-109 cfu/ml suspension was added to 0.25 ml of sterile physiologic solution. a pyr disk was then added and the test was incubated for 30 minutes at 35-37 degrees c, at environmental atmosphere. reading was done by adding 1 drop of cinnamaldehyde reagent. strain ...200716822636
central line-related bacteraemia due to roseomonas mucosa in a neutropenic patient with acute myeloid leukaemia in piraeus, greece.a case of central venous catheter-related bacteraemia due to roseomonas mucosa in a neutropenic patient with acute myelogenous leukaemia is reported. the patient was successfully treated with amikacin and piperacillin-tazobactam. the clinical isolate was identified as r. mucosa by 16s rrna gene sequencing.200616849738
[isolation and identification of a bacterial strain js018 capable of degrading several kinds of organophosphate pesticides].organophosphate pesticides are used widely all over the world and play an important role in plant pest control. however these pesticides are considered as pollutants and harmful to human health. to search for microorganisms that can degrade organophosphate pesticides with high efficiency, a bacterial strain, coded as js018, was isolated and screened from the soil in the vicinity of shanming pesticides factory, shanming, fujian. laboratory tests showed that the bacterium could degrade several kin ...200616933622
roseomonas aquatica sp. nov., isolated from drinking water.strain tr53(t), a gram-negative, non-motile, non-spore-forming and strictly aerobic coccobacillus, isolated from the drinking water distribution system of seville, spain, was subjected to polyphasic taxonomic analysis using a combination of phenotypic, genotypic and phylogenetic features. phylogenetic analysis of 16s rrna gene sequences showed that strain tr53(t) had highest similarity to members of the genus roseomonas, with sequence similarity values between 95.7 % (to roseomonas genomospecies ...200617012549
reclassification of roseomonas fauriae rihs et al. 1998 as a later heterotypic synonym of azospirillum brasilense tarrand et al. 1979.the relatedness of roseomonas fauriae and azospirillum brasilense was investigated using phenotypic methods and dna-dna hybridization. conventional biochemical tests did not differentiate between the two taxa. dna-dna hybridization experiments revealed high values for relatedness between the type strains of these species and suggest that these two taxa constitute a single species. strains previously identified as r. fauriae should be reclassified as a. brasilense, with the name roseomonas fauria ...200617158972
characteristics of a pink-pigmented bacterium isolated from biofilm in a cooling tower in tokyo, japan.strain k-20, a gram-negative, non-motile, non-spore-forming and strictly aerobic rod, which produces a pale pink pigment, was isolated from biofilm in a cooling tower in tokyo, japan. the taxonomic feature of the strain was studied using phenotypic tests and phylogenetic analysis. phylogenetic analysis of 16s rrna gene sequences showed that the strain was related to roseomonas gilardii subsp. rosea, roseomonas gilardii subsp. gilardii, roseomonas cervicalis and roseomonas mucosa at 94.3-94.6 seq ...200717579276
[the new eubacterium roseomonas baikalica sp. nov. isolated from core samples collected by deep-hole drilling of the bottom of lake baĭkal].microbiological analysis of samples of sedimentary rocks from various eras of the geological history of the baikal rift has enabled us to isolate a large number of microorganisms that can be classified into new, previously undescribed species. the present work deals with the identification and study of the morphological, biochemical, and physiological properties of one such strain, che 82, isolated from sample c-29 of 3.4-3.5 ma-old sedimentary rocks taken at a drilling depth of 146.74 m. as a r ...200717974213
roseomonas terrae sp. nov.a gram-negative, non-motile, coccobacilli-shaped bacterium, ds-48t, was isolated from soil from dokdo, korea, and its taxonomic position was investigated by means of a polyphasic study. strain ds-48t grew optimally at 25 degrees c and ph 7.0-8.0 in the presence of 0.5% (w/v) nacl. it contained q-10 as the predominant ubiquinone and c18:1omega7c and c18:1 2-oh as the major fatty acids. the dna g+c content was 69.3 mol%. a phylogenetic analysis based on 16s rrna gene sequences showed that strain d ...200717978205
roseomonas gilardii subsp rosea, a pink bacterium associated with bacteremia: the first case in thailand.roseomonas is a pink-pigmented, non-fermentative, gram-negative coccobacillus bacterium. human infections caused by roseomonas are very rare. we report the first case of bacteremia associated with roseomonas gilardii subsp rosea in thailand. the bacterium was isolated from blood culture and identified by cellular morphology, characteristics of colonies on blood agar, extensive biochemical tests and 16s ribosomal dna sequencing.200718041307
roseomonas aerilata sp. nov., isolated from an air sample.a polyphasic study was carried out to clarify the taxonomic position of a pink-coloured, gram-negative bacterium isolated from air in the suwon region of korea. the novel strain, 5420s-30(t), grew in the temperature range of 5-35 degrees c (optimum 30 degrees c) and ph range of 5-9 (optimum ph 6-7). growth did not occur in the presence of as little as 1 % (w/v) nacl. it contained q-10 as the predominant ubiquinone. the major fatty acids were c(18 : 1)omega7c, summed feature 3 (c(16 : 1)omega7c/i ...200818523199
roseomonas stagni sp. nov., isolated from pond water in japan. 200818654038
identification of pink-pigmented bacteria isolated from environmental water samples and their biofilm formation abilities.sixty-seven strains of pink-pigmented bacteria, which were isolated from environmental water samples collected nationwide, were identified by partial 16s rdna sequence analysis. in addition, the biofilm formation ability of the isolates was experimentally investigated. we could identify only 2 strains at the species level: pedobacter roseus hs-38 and runella slithyformis hs-77. the results showed that of the strains tested, 22 strains (32.8%) were pedobacter spp., which was most frequently ident ...200818661678
roseomonas vinacea sp. nov., a gram-negative coccobacillus isolated from a soil sample.strain cpcc 100056(t), which was isolated from a soil sample collected from the qinghai-tibet plateau, china, was subjected to a polyphasic taxonomic study. the organism was coccobacillus-shaped, non-motile and formed vinaceous colonies on isp2 agar medium. the respiratory quinone was ubiquinone-10. the major fatty acids were c(18:1)omega7c and c(16:1)omega7c and/or c(16:1)omega6c. the g+c content of the genomic dna was 67.3 mol%. a comparison of sequences in genbank revealed that strain cpcc 10 ...200818768606
chronic postoperative roseomonas endophthalmitis.we report one case with chronic postoperative endophthalmitis caused by roseomonas species. roseomonas spp. induced chronic endophthalmitis, which might result in misdiagnosis and delayed treatment and causes ocular damage and severe visual loss. this report is the first one related to a case with postoperative endophthalmitis secondary to roseomonas infection.200918987177
characterization of geochemical constituents and bacterial populations associated with as mobilization in deep and shallow tube wells in bangladesh.while millions of people drink arsenic-contaminated tube well water across bangladesh, there is no recent scientific explanation which is able to either comprehensively explain arsenic mobilization or to predict the spatial distribution of affected wells. rather, mitigation strategies have focused on the sinking of deep tube wells into the currently arsenic-free pleistocene aquifer. in this study, bangladesh shallow tube wells identified as contaminated and uncontaminated, as well as deep tube w ...200919215956
azospirillum palatum sp. nov., isolated from forest soil in zhejiang province, china.a gram-negative bacterium designated ww 10(t) was isolated by plating dilutions from forest soil in zhejiang province, china. strain ww 10(t) was investigated by polyphasic taxonomic study including phenotypic and phylogenetic analysis. cells of ww 10(t) were gram-negative, strictly aerobic, motile with peritrichous flagella and rod-shaped. the strain grew optimally at 30-37 masculinec and ph 6.0-8.0. the major fatty acids were c(18:1)omega7c, cyclo-c(19:0) omega8c and c(16:0). the respiratory q ...200919282627
transfer of teichococcus ludipueritiae and muricoccus roseus to the genus roseomonas, as roseomonas ludipueritiae comb. nov. and roseomonas rosea comb. nov., respectively, and emended description of the genus roseomonas.phylogenetic analyses based on 16s rrna gene sequences revealed that teichococcus ludipueritiae and muricoccus roseus are closely related to the species of the genus roseomonas. the type strain of teichococcus ludipueritiae, 170/96(t), exhibited 16s rrna gene sequence similarity levels of 96.4 % to roseomonas cervicalis atcc 49957(t), 95.0 % to roseomonas aquatica tr53(t), 94.5 % to muricoccus roseus 173/96(t), 93.4 % to roseomonas mucosa atcc baa-692(t) and 93.5 % to roseomonas gilardii subsp. ...200919406818
isolation of bacterial strains from bovine fecal microflora capable of degradation of ceftiofur.ceftiofur, a third-generation cephalosporin used to treat bacterial infections in animals, is degraded in bovine feces but the specific bacteria involved are unknown. to find the bacteria involved in ceftiofur metabolism, the bovine fecal microflora was screened. twenty-one nonidentical strains of bovine fecal bacteria were isolated on media containing 1-32 microg ml(-1) of ceftiofur. the cultures were incubated with 5 microg ml(-1) ceftiofur for different times, then centrifuged and analyzed by ...200919428193
roseomonas frigidaquae sp. nov., isolated from a water-cooling system.a non-motile, coccobacilli-shaped, pale-pink-pigmented bacterium, designated strain cw67(t), was isolated from a water-cooling system in gwangyang, republic of korea. cells were found to be gram-negative, catalase-positive and oxidase-positive, the major fatty acids were c(18 : 1)omega7c (43.6 %) and c(16 : 0) (15.8 %), the predominant respiratory lipoquinone was q-10 and the dna g+c content was 69.5 mol%. a phylogenetic tree based on 16s rrna gene sequence comparisons showed that strain cw67(t) ...200919542147
septic arthritis due to roseomonas gilardii in an immunocompetent adolescent.the genus roseomonas comprises groups of slow-growing, gram-negative coccobacilli, which only infrequently cause infection in humans. when identified, they are associated with immunocompromised adults, often causing bacteraemia. due to their rarity, members of this genus can be overlooked or misidentified using automated laboratory identification systems. we report on an immunocompetent adolescent patient who developed septic arthritis due to roseomonas gilardii following surgery for a sports in ...200919574413
roseomonas aestuarii sp. nov., a bacteriochlorophyll-a containing alphaproteobacterium isolated from an estuarine habitat of india.two strains (jc17(t) and jc19a) of orange pigmented bacteria were isolated from an estuarine sample. cells of both the strains were gram-negative coccobacilli, non-motile, non-spore forming and strictly aerobic. chemo-organoheterotrophy was the growth mode for both strains and was possible on a wide range of organic compounds. strains were non-hemolytic and contained low levels of bchl-a and carotenoids. the fatty acids (>1.0%) comprised c(18:1)omega7c, c(16:1)omega7c/iso-c(15:0)2oh, c(16:0), c( ...201019857940
level of chemical and microbiological contaminations in chili bo (paste).the objective of this study was to determine the level of preservatives and microbiological loads in various brands of commercially available chili bo (paste). fifteen different brands of chili bo obtained from the local market and hypermarkets were analyzed for ph, moisture and benzoic acid content, microbiological loads (aerobic, anaerobic, aerobic spores, and fungi), and thermophilic microorganisms. results showed that both moisture content and ph vary among samples. the concentrations of ben ...201020202342
roseomonas pecuniae sp. nov., isolated from the surface of a copper-alloy coin.strain n75(t) was isolated from the surface of a copper-alloy 50 euro cent coin collected from general circulation. phylogenetic analysis of the 16s rrna gene sequence revealed that strain n75(t) formed a distinct branch within the genus roseomonas and placed it in the alphaproteobacteria. strain n75(t) showed 16s rrna gene sequence similarities of 92.4-97.1  % to type strains of species of the genus roseomonas. strain n75(t) was a gram-negative, non-spore-forming, non-motile coccoid, with an op ...201120400668
a new extreme environment for aerobic anoxygenic phototrophs: biological soil crusts.biological soil crusts improve the health of arid or semiarid soils by enhancing water content, nutrient relations and mechanical stability, facilitated largely by phototrophic microorganisms. until recently, only oxygenic phototrophs were known from soil crusts. a recent study has demonstrated the presence of aerobic representatives of earth's second major photosynthetic clade, the evolutionarily basal anoxygenic phototrophs. three canadian soil crust communities yielded pink and orange aerobic ...201020532732
roseomonas mucosa isolated from bloodstream of pediatric patient.we report a case of catheter-related bacteremia associated with roseomonas mucosa isolated from an immunocompromised pediatric patient with a history of multiple episodes of urinary tract infection and bacteremia.201020534804
roseomonas sp. isolated from ticks, china. 201020587203
Clinical characteristics of infections caused by Roseomonas species and antimicrobial susceptibilities of the isolates.Human infections due to Roseomonas species are uncommon and the vast majority of reported infections are opportunistic and easy to treat. We retrospectively reviewed the computerized database of the Bacteriology Laboratory at the National Taiwan University Hospital to identify patients with infections caused by Roseomonas species during the period January 2000 to December 2010. Isolates of Roseomonas species were confirmed by 16S rRNA gene sequencing analysis. During the study period, 20 patient ...201122209515
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