نتایج جستجو برای: haemophilus influenzae
تعداد نتایج: 9793 فیلتر نتایج به سال:
By a simple procedure, using a readily reproducible medium, most strains of H. influenzae can be stored for four weeks or more and can be sent through the post. Capsulate strains can be stored in this way without apparent change.
A chemically defined medium (MI(c)) is described in which cells of Haemophilus influenzae Rd grow rapidly (generation time, 35 +/- 5 min) and reach a stationary level of 10(10) cells/ml. Our strain of cells grown in this medium developed high levels of competence when transferred to another medium designed for that purpose. Conditions governing the total development of competence in this organi...
Haemophilus influenzae is an important human pathogen. A number of complete genome sequences of various haemophili are available; however, functional studies have been limited by the lack of an effective shuttle vector which functions in all strains. Here, we have constructed a shuttle vector, pEJ6, which transfers genes between Escherichia coli and H. influenzae and H. parainfluenzae. The vect...
In the period November 1967 to September 1968 Haemophilus influenzae type b was isolated from the blood of 11 young children. Only three of these presented with meningitis; others had septic arthritis, oesteomyelitis, subcutaneous abscesses, cellulitis, respiratory infections, and undifferentiated pyrexia. During the preceding five years H. influenzae type b was isolated from the blood cultures...
The nasopharyngeal bacterial flora of healthy rhesus macaques was surveyed for the presence of Neisseria and Haemophilus species, as well as Moraxella catarrhalis. M. catarrhalis was found both in healthy rhesus macaques and in possibly immunocompromised rhesus macaques. Several Haemophilus spp. that are part of the normal nasopharyngeal bacterial flora of humans were found in many animals; the...
Haemophilus influenzae isolates recovered from the genitourinary (GU) tract were shown to have a significantly different biotype distribution compared with respiratory tract isolates. Biotype IV strains were recovered more commonly from the GU tract, and most strains were non-serotypable. Antibiotic-susceptible strains isolated from the GU tract more frequently harbored plasmids of less than 10...
UNLABELLED We describe the first two cases of invasive disease caused by Haemophilus influenzae serotype A in Saudi Arabia. This is the first known reported invasive Haemophilus influenzae serotype A from Saudi Arabia. CASE PRESENTATION A ten-month-old and three-month-old male not known to have any past history of any medical illness and who had received H. influenzae type b (Hib) vaccine pre...
A case of ampicillin and chloramphenicol resistant Haemophilus influenzae meningitis successfully treated with cefotaxime is described.
Over the past four decades, the incidence of meningitis caused by Haemophilus influenzae in children has decreased due to widespread vaccination against H. influenzae type b (Hib). The incidence of invasive diseases due to H. influenzae types not included in the vaccines, however, has increased. At present, there are a limited number of diagnostics available to detect non-type b H. influenzae. ...
Haemophilus test medium (HTM) was developed recently for dilution and disk diffusion antimicrobial agent susceptibility testing of Haemophilus influenzae. The application of HTM to the testing of other, less frequently encountered Haemophilus species recovered from humans was evaluated in this study by using commercially prepared HTM (BBL Microbiology Systems, Cockeysville, Md.) in broth microd...
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