نتایج جستجو برای: neisseria gonorrhoeae
تعداد نتایج: 10683 فیلتر نتایج به سال:
An enzyme immunoassay (EIA; Gonozyme, Abbott Laboratories) for the detection of Neisseria gonorrhoeae antigens was assessed. Clinical isolates of N. gonorrhoeae or specimens obtained from male urethra or female cervix were tested by EIA. EIA results were compared with results of conventional culture identification for N. gonorrhoeae. Fifty clinical isolates of gonococci reacted positively with ...
In a 12-month period, oxidase-positive, Gram-negative cocci showing similar characteristics in biochemical tests have been isolated from the urogenital tract of 39 male and female patients. Although these organisms superficially resemble Neisseria gonorrhoeae, biochemical characterization and the results of DNA base composition analysis indicate that they do not belong to the genus Neisseria. T...
Acute gonorrhea is characterized by neutrophilic inflammation that is insufficient to clear Neisseria gonorrhoeae. Activated neutrophils release extracellular traps (NETs), which are composed of chromatin and decorated with antimicrobial proteins. The N. gonorrhoeae NG0969 open reading frame contains a gene (nuc) that encodes a putatively secreted thermonuclease (Nuc) that contributes to biofil...
The Roche Cobas Amplicor Chlamydia trachomatis/Neisseria gonorrhoeae polymerase chain reaction (PCR) assay can simultaneously detect both C. trachomatis and N. gonorrhoeae, and has been cleared by United States Food and Drug Administration (FDA) for the testing of endocervical and urethral swabs and urine specimens. The Amplicor N. gonorrhoeae PCR target sequence is known to be present in some ...
Neisseria gonorrhoeae forms a biofilm in flow cells on glass coverslips as well as on primary cervical epithelial cells. Electron microscopic studies of cervical biopsy specimens from 10 patients with culture-proven N. gonorrhoeae infection revealed evidence of biofilm formation in 3 of the biopsy specimens. These biofilms showed gonococci in networks of bacterial membrane within the biofilm st...
Sparling, Philip F. (Communicable Disease Center, Atlanta, Ga.). Genetic transformation of Neisseria gonorrhoeae to streptomycin resistance. J. Bacteriol. 92:1364-1371. 1966.-Eight strains of Neisseria gonorrhoeae were transformed to streptomycin resistance by deoxyribonucleic acid (DNA) extracted from a streptomycin-resistant strain of N. gonorrhoeae. In all strains, competence was greatest in...
In vitro Ro 15-8074 and Ro 19-5247 (T2525), two new oral cephalosporins, were active against 410 penicillin-susceptible and -resistant isolates of Neisseria gonorrhoeae. Two new macrolides, A-56268 and to a lesser extent roxithromycin (RU 28965), were active against Chlamydia trachomatis. A-56268 had activity against N. gonorrhoeae similar to that of erythromycin.
We investigated the epidemiology of the mutant gyrase A gene, a reliable predictor of ciprofloxacin resistance, in Neisseria gonorrhoeae infections at UCLA Health in Los Angeles, California, USA, during November 1, 2015-August 31, 2016. Among 110 patients with N. gonorrhoeae infections, 48 (44%) had the mutant gyrase A gene.
Antiserum to a purified type R lipopolysaccharide antigen isolated from Neisseria gonorrhoeae was used in a slide agglutination test and compared with conventional carbohydrate utilization and fluorescent antibody tests to confirm the identity of laboratory cultures classified as typical or "atypical" N. gonorrhoeae. Cultures of Corynebacterium vaginalis, N. meningitidis, N. catarrhalis, N. sic...
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