نتایج جستجو برای: neisseria lactamica
تعداد نتایج: 10462 فیلتر نتایج به سال:
Neisseria lactamica, a commensal bacterium that is non-pathogenic to human beings and that is usually found in the upper respiratory tract of children, is closely related to the pathogenic species Neisseria meningitidis. A protocol was proposed to study the immunogenicity of killed whole cells of N. lactamica, N. meningitidis, N. sicca or N. meningitidis c (carrier-isolated) by i.n. immunizatio...
A carriage study was undertaken (n = 112) to ascertain the prevalence of Neisseria spp. following the eighth case of invasive meningococcal disease in young children (5 to 46 months) and members of a large extended indigenous ethnic minority Traveller family (n = 123), typically associated with high-occupancy living conditions. Nested multilocus sequence typing (MLST) was employed for case spec...
Immunological and epidemiological evidence suggests that the development of natural immunity to meningococcal disease results from colonization of the nasopharynx by commensal Neisseria spp., particularly with N. lactamica. We report here that immunization with N. lactamica killed whole cells, outer membrane vesicles, or outer membrane protein (OMP) pools and protected mice against lethal chall...
Serum samples from 31 children < or = 4 years old who were convalescing after meningococcal disease were used in a quantitative hybridization assay to establish antibody reactivity to 94 candidate meningococcal vaccine antigens. Genes encoding 22 of 23 strongly recognized proteins were found in > or = 94% of the patients' meningococcal strains, and most were also widely prevalent in Neisseria l...
A group of five tests utilizing wheat germ and soybean lectins and chromogenic substrates (orthonitrophenyl-beta-D-galactopyranoside, gamma-glutamyl-beta-naphthylamide, and prolyl-beta-naphthylamide derivatives) was used as a rapid (30-min) method for the identification of Neisseria gonorrhoeae. The rapid method agreed with Minitek test results for all 126 N. gonorrhoeae isolates and all 39 non...
We assessed the genetic diversity of 26 Neisseria lactamica strains from epidemiologically related sources, i.e., groups of kindergartens and primary schools in three Bavarian towns, by the partial sequencing of the argF, rho, recA, and 16S ribosomal genes. We found a total of 17 genotypes, of which 12 were found only in one strain. The genotypes comprised 5 alleles of the argF gene, 9 of rho, ...
conclusions these results show the usefulness of proteome analysis in successful identification of the common proteins between n. lactamica strains and nmb. this proteomics analysis is the starting point in the path of knowledge development about whole proteome profiles of n. lactamica strains. objectives the main aims of this study were to determine whole proteome profiles of n. lactamica stra...
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