نتایج جستجو برای: tetracycline resistant mutants
تعداد نتایج: 269800 فیلتر نتایج به سال:
Background: Concerns are increasing over the mechanisms of drug resistance pathogens among non-gonococcal urethritis (NGU) or cervicitis. The study aims to explore distribution Ureaplasm urealyticum (U. urealyticum) and Mycoplasma homins (M. homins) isolates, characteristics multidrug resistance, underlying mechanism allow clinicians deliver rational therapy for NGU. Methods: Samples from cervi...
Resistance to quaternary ammonium compounds (QAC) in staphylococci is common in hospital environments and has been described in the food industry. Little is known about staphylococcal QAC resistance associated with animal disease, although such disinfectants are widely used in veterinary medicine. In order to investigate the occurrence of QAC resistance in staphylococci isolated from QAC-expose...
Seven of eight strains of Mycoplasma (PPLO) were found to be sensitive to the deoxystreptamines, certain macrolides, and the tetracyclines. These antibiotics are relative noncytotoxic. Kanamycin and tetracycline were useful in eliminating PPLO (pleuropneumonia-like organisms) strain Squibb no. 1 from a HeLa cell line which was deliberately contaminated with PPLO. Repeated exposure of M. laidlaw...
Analysis of antibiotic resistant bacteria from composted waste site soil samples for two seasons were done, using prepared diagnostic test agar and direct sensitivity tests. All major isolated bacteria were subjected to various antibiotics. Concurrent positive and negative tests were simultaneously studied. Results show relatively high resistant and sensitive bacteria in both seasons. In wet se...
OBJECTIVES To determine the antibiotic susceptibility patterns of 60 strains of Laribacter hongkongensis isolated from humans and fish to eight antibiotics and compare the results obtained from broth microdilution, Etest and disc diffusion susceptibility testing. PATIENTS AND METHODS The susceptibilities of 60 isolates of L. hongkongensis from humans with gastroenteritis and fish to eight ant...
Lactobacillus sakei is extensively used as functional starter culture in fermented meat products. One of the safety criteria of a starter culture is the absence of potentially transferable antibiotic resistance determinants. However, tetracycline-resistant L. sakei strains have already been observed. In this paper, we show that tetracycline resistance in L. sakei Rits 9, a strain isolated from ...
This study describes the use of the polymerase chain reaction (PCR) to detect the tet(K) and tet(M) tetracycline resistance genes in Staphylococcus aureus. Primers based on the DNA sequence of the tet(K) and tet(M) genes from S. aureus were used as primers in the PCR assay to detect the presence of genes for resistance to tetracycline and minocycline. Two-hundred and fifteen isolates of S. aure...
The distribution of tetracycline resistance in commensal E. coli strains, isolated from pigs at different stages of production system was investigated in four Bulgarian swine farms. The prevalence of antibiotic resistance and particularly tetracycline resistance, as well as two tetracycline resistance genes were evaluated in Escherichia coli isolates from swine faeces and manure lagoons. A tota...
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