نتایج جستجو برای: bacteriocidal effect
تعداد نتایج: 1641732 فیلتر نتایج به سال:
Indiscriminate and excessive uses of antibiotics may be lead promote the emergence of antibiotic-resistant microorganisms and side effects in patients. Therefore the researchers recently have focused on the use of natural resources, especially medicinal plants. Ruta graveolens is a kind of medical plants which contains antifungal and antibacterial components and use in traditional medicine in I...
in this study, the relationship between teachers’ creative and critical thinking skills and their reflectivity in teaching was investigated. to this end, three questions were raised. these questions were intended to determine whether there was a significant relationship between teachers’ creative thinking skills and their reflectivity in teaching; whether there was a significant relationship be...
knowledge of the warming or cooling effects induced by asphalt or grass covered areas, may improve our understanding of how thermal stress or thermal comfort is created for workers who have to work outdoors for long hours in warm seasons. for this purpose a field measurements were carried out to know the cooling and warming effects of two adjacent areas, one covered with grass and the other wit...
Oligopeptides play important roles in bacterial nutrition and signaling. Using sequences from the available genome database for Mycobacterium tuberculosis H37Rv, the oligopeptide permease operon (oppBCDA) of Mycobacterium bovis BCG was cloned from a cosmid library. An opp mutant strain was constructed by homologous recombination with an allele of oppD interrupted by kanamycin and streptomycin r...
Legionella pneumophila, the agent of Legionnaires' disease, is a facultative intracellular pathogen (1). The bacter ium multiplies intracellularly in human monocytes, and under tissue culture conditions, multiplication is exclusively intraeellular (1). In previous studies, we investigated the role of humoral immuni ty in Legionnaires ' disease (2, 3). We found that virulent in vivo grown L. pne...
sn-Glycerol 3-phosphorothioate, a bacteriocidal analog of sn-glycerol 3-phosphate in strains of Escherichia coli with a functioning glycerol phosphate transport system, was investigated for its ability to be incorporated into phospholipid under in vitro and i n vivo conditions. A cell-free particulate fraction from E. coli strain 8 catalyzes the transfer of ~n-[~H]glycerol 3-phosphoro[’”S]thio...
Targeted mutation of the myeloid transcription factor C/EBPepsilon in mice results in gram-negative septic death at 3 to 5 months of age. This study defines the underlying molecular defects in their terminal granulocytic differentiation. The mRNA for the precursor protein of the cathelin-related antimicrobial peptides was almost completely absent in the bone marrow cells of C/EBPepsilon-/- mice...
Targeted mutation of the myeloid transcription factor C/EBPe in mice results in gram-negative septic death at 3 to 5 months of age. This study defines the underlying molecular defects in their terminal granulocytic differentiation. The mRNA for the precursor protein of the cathelin-related antimicrobial peptides was almost completely absent in the bone marrow cells of C/EBPe2/2 mice. This findi...
Here we describe development of an extracorporeal hemoadsorption device for sepsis therapy that employs commercially available polysulfone or polyethersulfone hollow fiber filters similar to those used clinically for hemodialysis, covalently coated with a genetically engineered form of the human opsonin Mannose Binding Lectin linked to an Fc domain (FcMBL) that can cleanse a broad range of path...
BACKGROUND Gardnerella vaginalis is described as a common vaginal bacterial species whose presence correlates strongly with bacterial vaginosis (BV). Here we report the genome sequencing and comparative analyses of three strains of G. vaginalis. Strains 317 (ATCC 14019) and 594 (ATCC 14018) were isolated from the vaginal tracts of women with symptomatic BV, while Strain 409-05 was isolated from...
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