(1) In addition to oncogenes, the transferred DNA contains genes that direct the synthesis and exudation of opines, which are used as nutrients by the bacteria.
(2) The pH gradient measured with dimethyloxazolidine-2,4-dione and acetylsalicylic acid was very small in both bacteria at a high pH above 8, and was not affected significantly by the addition of CCCP.
(3) The causative organisms included viruses, fungi, and bacteria of both high and low pathogenicity.
(4) Anaerobes, in particular Bacteroides spp., are the predominant bacteria present in mixed intra-abdominal infections, yet their critical importance in the pathogenicity of these infections is not clearly defined.
(5) During the digestion of these radiolabeled bacteria, murine bone marrow macrophages produced low-molecular-weight substances that coeluted chromatographically with the radioactive cell wall marker.
(6) The authors conclude that H. pylori alone causes little or no effect on an intact gastric mucosa in the rat, that either intact organisms or bacteria-free filtrates cause similar prolongation and delayed healing of pre-existing ulcers with active chronic inflammation, and that the presence of predisposing factors leading to disruption of gastric mucosal integrity may be required for the H. pylori enhancement of inflammation and tissue damage in the stomach.
(7) Thirty-two strains of pectin-fermenting rumen bacteria were isolated from bovine rumen contents in a rumen fluid medium which contained pectin as the only added energy source.
(8) This capacity is expressed during incubation of the bacteria with the substrate and needs a source of carbon and other energy metabolites.
(9) Preincubation of the bacteria at 56 degrees C for 30 minutes and ultraviolet irradiation resulted in a noticeable decrease in adherence.
(10) An sdh-specific transcript of about 3,450 nucleotides was detected in vegetative bacteria.
(11) The authors present the first results on the utilization of fish infusion (IFP) as a basic medium for the cultivation of bacteria.
(12) Phospholipid changes occurring at later stages in the lytic cycle of infected bacteria are more prominent than those at earlier time intervals.
(13) The most commonly encountered organisms were aerobic bacteria (91%), anaerobes (74%), and fungi (48%).
(14) Resistance to antibiotics have been detected in food poisoning bacteria, namely Salmonella typhimurium, Staphylococcus aureus and Clostridium perfringens.
(15) Bacteria can stop or lessen antibodies synthesis process.
(16) Among the agents triggering such an infection Chlamydia (30.9% of the cases of non-gonorrhoic urethritis), as well as mycoplasma, ureaplasma, anaerobic bacteria and herpes simplex viruses have gained particular significance.
(17) Mu does not grow lytically in or kill him bacteria but can lysogenize such hosts.
(18) Tunnel-like formations at different depths of the oral epithelium contained higher numbers of bacteria than those seen on the adjacent oral surface.
(19) The cells were taken from cultures in low-density balanced exponential growth, and the experiments were performed quickly so that the bacteria were in a uniform physiological state at the time of measurement.
(20) Subgingival plaque was sampled and the presence or absence of the above mentioned bacteria assessed with BANA reagent cards (Perio Scan).
Proteus
Definition:
(n.) A sea god in the service of Neptune who assumed different shapes at will. Hence, one who easily changes his appearance or principles.
(n.) A genus of aquatic eel-shaped amphibians found in caves in Austria. They have permanent external gills as well as lungs. The eyes are small and the legs are weak.
(n.) A changeable protozoan; an amoeba.
Example Sentences:
(1) The transference by conjugation of protease genetic information between Proteus mirabilis strains only occurs upon mobilization by a conjugative plasmid such as RP4 (Inc P group).
(2) Both Shigella and Salmonella transferred multi-drug resistance to some enterobacteria--E. coli and Proteus as well as to Salmonella typhimurium when the latter was also present in the intestinal tract; of these some 10--40 per cent acquire the multi-drug resistance of Salmonella heidelberg and Shigella sonnei.
(3) In addition, it has excellent antibacterial activity against indole-positive Proteus strains against which conventional Cephalosporins are ineffective.
(4) Bacteria isolated in urine cultures were: Escherichia coli (60%); Proteus mirabilis (10%); Pseudomonas aeruginosa and Citrobacter sp.
(5) Over 90% of gram-negative bacilli, except Proteus spp., were inhibited by 3.12 mug of BB-K8 per ml.
(6) Eight of the nine (88.9%) Proteus vulgaris isolates gave a positive spot indole test; one (11.1%) gave a negative result.
(7) Except for Proteus mirabilis none of the bacteria were digested with the liberation of soluble materials into the medium.
(8) When the original ratio was 100:1, the staphylococci did not reach 5 x 10(6) cells per milliliter at 10, 15, 22, or 30 C (with one exception), when growing with cultures representing six species of coliform bacteria and two of Proteus.
(9) It inhibited some Enterobacter and indole-positive Proteus, but it was less active against these later species than was cefamandole, cefuroxime, or cefoxitin.
(10) Proteus mirabilis 2573 (ATCC 49565) produces an acidic capsular polysaccharide which was shown from glycose analysis, carboxyl reduction, methylation, periodate oxidation, and the application of one dimensional and two-dimensional high-resolution nuclear magnetic resonance techniques to be a high-molecular-weight polymer of branched trisaccharide units composed of 2-acetamido-2-deoxy-D-glucose (N-acetyl-D-glucosamine), 2-acetamido-2,6-dideoxy-L-galactose (N-acetyl-L-fucosamine), and D-glucuronic acid, having the structure: [formula: see text] P. mirabilis 2573 also produces an O:6 serotype lipopolysaccharide in which the O-chain component has the same structure as the homologous capsular polysaccharide.
(11) Proteus vaccine introduced in combination with adsorbed staphylococcal toxoid essentially stimulated the synthesis of anti-alpha-staphylolysin.
(12) Netilmycin was found to be effective against Staphylococci, Pseudomonas and Enterobacter, Ceftizoxime against Serratia, Acinetobacter, Proteus and Klebsiella.
(13) At 1, 3, 7, and 14 days, intrapulmonary killing was assessed by inhalation challenge with Staphylococcus aureus or Proteus mirabilis and by comparing the number of viable bacteria remaining in the lungs at 4 h between O3-exposed and control animals.
(14) The effect of Brilliant Green on motility was studied with Salmonella anatum, S. derby, S. tennessee, Escherichia coli, Proteus vulgaris, and Pseudomonas aeruginosa.
(15) Subsequent fecal samples showed a progressive supplantation of E coli by Klebsiella, Enterobacter and Proteus.
(16) Most (88%) of the isolated bacteria were Gram-negative rods of the species E. coli, Enterobacter, Klebsiella, Citrobacter, Proteus, Serratia, Pseudomonas and Acinetobacter.
(17) The Proteus syndrome, with its hemihypertrophy, macrodactyly and exostoses, has features which would indicate that the phenotype results from such events.
(18) Synergy of TOB with CET could be demonstrated against 83% of Klebsiella pneumoniae, 78% of E. coli, 44% of Proteus rettgeri and 39% of Proteus inconstans.
(19) Combinations of gentamicin-nalidixic acid against Proteus mirabilis and rifampin-amphotericin B against Candida albicans are used as examples to demonstrate the technique.
(20) In 1950 the 1st case of gram-negative shock to be recognized as such occurred in a 93-year-old man who suffered shock due to a Proteus bacteremia following a transurethral resection.