| human infection with halomonas venusta following fish bite. | halomonas venusta, a moderately halophilic, nonfermentative gram-negative rod, is reported for the first time as a human pathogen in a wound that originated from a fish bite. | 2000 | 10921995 |
| growth of moderately halophilic bacteria isolated from sea water using phenol as the sole carbon source. | moderately halophilic bacteria utilizing phenol as the sole carbon source were isolated by selective enrichment from sea water. the isolate (gram-negative motile rods) was identified as deleya venusta. it grew well in the presence of up to 1600 mg/l of phenol and 8% nacl under aerobic conditions. when the cells were treated with chloramphenicol prior to the addition of phenol they did not utilize added phenol, even after prolonged incubation. thus, the enzymes necessary for phenol metabolism app ... | 2001 | 11830940 |
| temporal stability and biodiversity of two complex antilisterial cheese-ripening microbial consortia. | the temporal stability and diversity of bacterial species composition as well as the antilisterial potential of two different, complex, and undefined microbial consortia from red-smear soft cheeses were investigated. samples were collected twice, at 6-month intervals, from each of two food producers, and a total of 400 bacterial isolates were identified by fourier-transform infrared spectroscopy and 16s ribosomal dna sequence analysis. coryneform bacteria represented the majority of the isolates ... | 2003 | 12839776 |
| diversity of alkaliphilic and alkalitolerant bacteria cultivated from decomposing reed rhizomes in a hungarian soda lake. | bacterial communities associated with decomposing rhizomes of phragmites australis were investigated in lake ferto (neusiedlersee, hungary). alkaliphilic and alkalitolerant strains were isolated on cellulose-containing alkaline medium spread with dilutions of scrapings taken from the surface of the decaying plant material. fifty-one strains were grouped by numerical analysis based on physiological tests and biolog sole carbon source utilization data. the strains identified by 16s rdna sequence c ... | 2005 | 16132425 |
| surface microflora of four smear-ripened cheeses. | the microbial composition of smear-ripened cheeses is not very clear. a total of 194 bacterial isolates and 187 yeast isolates from the surfaces of four irish farmhouse smear-ripened cheeses were identified at the midpoint of ripening using pulsed-field gel electrophoresis (pfge), repetitive sequence-based pcr, and 16s rrna gene sequencing for identifying and typing the bacteria and fourier transform infrared spectroscopy and mitochondrial dna restriction fragment length polymorphism (mtdna rflp ... | 2005 | 16269673 |
| effect of na concentration and nutritional factors on the lag phase and exponential growth rates of the marine bacterium deleya aesta and of other marine species. | growth of the marine bacterium deleya aesta in a succinate minimal medium showed increasingly long lag phases as na was decreased below the optimum (200 to 500 mm). the minimum na concentration permitting growth consistently was 15 mm. supplementation of the medium with khco(3) (as a source of co(2)) or yeast extract, especially in combination, reduced the lag phase, increased the rate of exponential growth, and allowed growth at 8 mm na. khco(3) did not reduce the lag period but did increase th ... | 1989 | 16347969 |
| halomonas alkaliphila sp. nov., a novel halotolerant alkaliphilic bacterium isolated from a salt pool in campania (italy). | a halotolerant and alkaliphilic gram-negative bacterium, strain 18bag(t), that grows aerobically at the optimum temperature of 37 degrees c, and at ph 7.5-10 (optimum 9.0), was isolated from a salt pool located in montefredane in campania region (south of italy). the isolate tolerated high concentration of nacl up to 20%. strain 18bag(t) accumulated osmolytes and polyhydroxybutyrate, produced exopolysaccharide and possessed alpha-glucosidase activity. the predominant respiratory quinones were ub ... | 2006 | 17325447 |
| halomonas andesensis sp. nov., a moderate halophile isolated from the saline lake laguna colorada in bolivia. | a moderately halophilic, motile, gram-negative, rod-shaped bacterium, strain lc6(t), was isolated from a water sample of lake laguna colorada in the bolivian andes. the major cellular fatty acids were c(18 : 1)omega7c, iso-c(16 : 1)omega7c 2-oh, c(16 : 0) and c(12 : 0) 3-oh. the respiratory ubiquinones found in strain lc6(t) were q-9 (97 %) and q-8 (3 %). strain lc6(t) was aerobic, heterotrophic, and able to utilize various carbohydrates and other substrates as carbon source. the g+c content of ... | 2010 | 19656933 |
| halomonas titanicae sp. nov., a halophilic bacterium isolated from the rms titanic. | a gram-negative, heterotrophic, aerobic, non-endospore-forming, peritrichously flagellated and motile bacterial strain, designated bh1(t), was isolated from samples of rusticles, which are formed in part by a consortium of micro-organisms, collected from the rms titanic wreck site. the strain grew optimally at 30-37°c, ph 7.0-7.5 and in the presence of 2-8 % (w/v) nacl. we carried out a polyphasic taxonomic study in order to characterize the strain in detail. phylogenetic analyses based on 16s r ... | 2010 | 20061494 |
| impact of gram-negative bacteria in interaction with a complex microbial consortium on biogenic amine content and sensory characteristics of an uncooked pressed cheese. | the impact of gram-negative bacteria on sensory characteristics and production of volatile compounds as well as biogenic amines (ba) in the core of an uncooked pressed type model cheese was investigated in the presence of a defined complex microbial consortium. eleven strains of gram-negative bacteria, selected on the basis of their biodiversity and in vitro ba-production ability, were individually tested in a model cheese. four out of 6 strains of enterobacteriaceae (citrobacter freundii ucma 4 ... | 2011 | 22265286 |
| isolation characterization and growth of locally isolated hydrocarbonoclastic marine bacteria (eastern algerian coast). | the algerian coastline is being exposed to several types of pollution, including that of hydrocarbons. this environment rich in oil could be the source of proliferation of hydrocarbonoclastic bacteria. the objective of the study is to isolate and identify indigenous bacterial strains from marine waters of two ports in the eastern algerian coast and to test their growth in the presence of hydrocarbons with and without biostimulation throughout the intake of nitrogen and phosphate. results recorde ... | 2017 | 28058612 |
| halomonas lutescens sp. nov., a halophilic bacterium isolated from a lake sediment. | a novel, gram-stain-negative, facultatively anaerobic, halophilic bacterium, designated strain q1ut, was isolated from a sediment sample collected from qinghai lake, pr china. the cells of the strain were short rod-shaped (0.2-0.3×0.6-2.5 µm) and non-motile. strain q1ut formed yellowish colonies and grew at temperatures of 2-37 °c (optimum 30-33 °c), at ph 6.0-9.0 (optimum ph 7.0) and in the presence of 0-20 % (w/v) nacl (optimum 7.5 %). the major cellular fatty acids were c18 : 1ω7c (58.6 %), c ... | 2016 | 27514670 |
| biofilm formation on polystyrene in detached vs. planktonic cells of polyhydroxyalkanoate-accumulating halomonas venusta. | biofilm development is characterized by distinct stages of initial attachment, microcolony formation and maturation (sessile cells), and final detachment (dispersal of new, planktonic cells). in this work we examined the influence of polyhydroxyalkanoate (pha) accumulation on bacterial surface properties and biofilm formation on polystyrene in detached vs. planktonic cells of an environmental strain isolated from microbial mats, halomonas venusta mat28. this strain was cultured either in an arti ... | 2014 | 26421734 |
| a diverse group of halophilic bacteria exist in lunsu, a natural salt water body of himachal pradesh, india. | five halophilic bacterial isolates namely ss1, ss2, ss3, ss5 and ss8 were isolated from soil sediments of lunsu, a salty water body. all the bacterial isolates showed growth in lb medium containing up to 8.7% nacl, ph 7-8 and at temperature range of 30-37°c. the bacterial isolates ss1 and ss3 require at least 3.8% nacl for their growth, indicating their strict halophilic nature. interestingly, bacterial isolates ss2, ss5 and ss8 but not ss1 and ss3 exhibited growth in medium supplemented with kc ... | 2015 | 26090321 |
| halomonas zhaodongensis sp. nov., a slightly halophilic bacterium isolated from saline-alkaline soils in zhaodong, china. | a slightly halophilic bacterium (strain neau-st10-25(t)) was isolated from saline-alkaline soils in zhaodong city, heilongjiang province, china. the strain is a gram-negative, aerobic motile rod. it accumulates poly-β-hydroxyalkanoate and produces exopolysaccharide. it produces beige-yellow colonies. growth occurs at nacl concentrations (w/v) of 0-15 % (optimum 3 %), at temperatures of 4-60 °c (optimum 35 °c) and at ph 6-12 (optimum ph 9). its g+c content is 53.8 mol%. phylogenetic analyses base ... | 2013 | 23877893 |