نتایج جستجو برای: highly effective strains
تعداد نتایج: 1256768 فیلتر نتایج به سال:
The historical antimalarial compound endochin served as a structural lead for optimization. Endochin-like quinolones (ELQ) were prepared by a novel chemical route and assessed for in vitro activity against multidrug resistant strains of Plasmodium falciparum and against malaria infections in mice. Here we describe the pathway to discovery of a potent class of orally active antimalarial 4(1H)-qu...
Several heavy metal resistant bacterial strains were isolated from sediment and water samples collected from the Persian Gulf and enclosed industrial areas. All the isolated bacteria were identified by 16S rRNA gene sequencing. Isolated bacteria were tested for the presence of plasmids using the modified alkaline lysate method. The method was effective for identification and characterization of...
Five strains ofAspergillusfJavus lacking the ability to produce aflatoxins were examined in greenhouse tests for the ability to prevent a toxigenic strain from contaminating developing cottonseed with aflatoxins. All atoxigenic strains reduced contamination when inoculated into developing bolls 24 h prior to the toxigenic strain. However, only one strain, AF36, was highly effective when inocula...
Abstract In mouse, the immunoglobulin (IG) loci span several Mb of genome and contain hundreds repeated, highly homologous sets variable (V), diversity (D), joining (J) genes that recombine in B cells to produce an individual’s expressed Ab repertoire. Similar what has been reported humans, recent data shown significant levels haplotype variation IG between commonly used inbred mouse strains, c...
Aeromonas salmonicida (As) is a highly heterogeneous bacterial species, and strains’ host specificity has been reported. Ballan wrasse (Labrus bergylta Ascanius, 1767) susceptible to atypical As (aAs) vapA type V VI in Scotland Norway. Identification of the bacterium achieved by culture molecular techniques; however, available methods used distinguish types are costly time-consuming. This paper...
Killed and live influenza virus vaccines are effective in preventing and curbing the spread of disease, but new technologies such as reverse genetics could be used to improve them and to shorten the lengthy process of preparing vaccine seed viruses. By taking advantage of these new technologies, we could develop live vaccines that would be safe, cross-protective against variant strains, and req...
The in vitro activities of several cephalosporins and quinolones against 195 strains of Escherichia coli isolated from diary calves affected by neonatal diarrhea were determined. One hundred thirty-seven of these strains produced one or more potential virulence factors (F5, F41, F17, cytotoxic necrotizing factor, verotoxin, and the eae gene), but the remaining 58 strains did not produce any of ...
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