نتایج جستجو برای: serratia marcescens b4a
تعداد نتایج: 4200 فیلتر نتایج به سال:
A procedure was developed for the separation of pigment fractions in a wild-type Serratia marcescens strain. Separation was achieved by column chromatography and elution with several organic solvents. At least six pigment fractions were obtained from the alumina columns by this technique, whereas only four fractions had been reported previously. Spectral and elemental analyses indicate that, in...
Lomefloxacin (SC-47111; NY-198) is a new difluoroquinolone agent. It inhibited 90% of Escherichia coli, Klebsiella spp., Enterobacter spp., Citrobacter spp., Proteus mirabilis, Morganella morganii, Proteus vulgaris, Serratia marcescens, Salmonella spp., Shigella spp., Aeromonas spp., Yersinia spp., Haemophilus influenzae, and Neisseria gonorrhoeae at less than or equal to 2 micrograms/ml. Lomef...
We investigated in vitro activities of piperacillin or cefoperazone alone and in combination with beta-lactamase inhibitors against Gram-negative bacilli. Piperacillin/tazobactam 8:1 lowered resistance for Escherichia coli, Serratia marcescens, Enterobactaer cloacae, Klebsiella pneumoniae and imipenem-susceptible Acinetobacter baumannii. When piperacillin was combined with sulbactam 2:1 or 4:1,...
Antimicrobial resistance of isolates and risk factors for mortality were retrospectively investigated in 71 adult patients with Serratia marcescens bacteremia. During the 4-year study period, 78 clinically significant episodes of S. marcescens bacteremia occurred in 71 patients. The mean age of the patients was 65 years (range, 25-86 years) with a male predominance (45 patients, 63%). Most of t...
Serratia marcescens grew on a basal medium containing 0.5% erythritol as sole source of carbon for growth and energy. Only an occasional strain of Enterobacter aerogenes among several members of the family Enterobacteriaceae were able to utilize erythritol.
Aim: Dendritic cells (DCs) are potent antigen-presenting cells crucial for initiation of cell-mediated immune responses to foreign antigens. They also contribute to the innate resistance against microbial pathogens. The present study examined the effect of microorganisms such as Escherichia coli (E. coli), Serratia marcescens (S. marcescens), Methicillin-resistant Staphylococcus aureus (MRSA), ...
Fertility and immunity are concurrently upregulated in Drosophila melanogaster females after normal mating, potentially requiring physiological trade-offs. Using a novel bacterial introduction method, I observed female copulatory Serratia marcescens receipt and infection. Immuno-competent females surviving copulatory S. marcescens exposure had significantly reduced progeny production during the...
Polymyxin B and rifampin were given to 12 patients with multi-drug-resistant nosocomial Serratia marcescens infections. Eight cures were achieved; drug hepatotoxicity occurred once; one fatal suprainfection was encountered; and two patients died during therapy of causes related to severe underlying illnesses. Polymyxin B and rifampin were uniformly synergistic in vitro against the infecting str...
Serratia marcescens is an opportunistic pathogen that causes a range of human infections, including bacteremia, keratitis, wound infections, and urinary tract infections. Compared to other members of the Enterobacteriaceae family, the genetic factors that facilitate Serratia proliferation within the mammalian host are less well defined. An in vivo screen of transposon insertion mutants identifi...
Prodigiosin, a secondary metabolite extracted from Serratia marcescens (S. marcescens), could induce apoptosis in various cancer cells, with however low toxicity on normal cells. The red pigment was strain S. NJZT-1 isolated soil, which had antibacterial activity. Spectral analyses (LC-ESI-MS, UV-VIS spectrophotometry, infrared spectra and HPLC) TLC indicated the presence of prodigiosin extrace...
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