Streptomycin resistance
STUDIES OF THE STREPTOMYCIN-RESISTANCE SYSTEM OF MUTATIONS IN E. COLI
... STREPTOMYCIN RESISTANCE 591 Microscopical examination of irradiated B/Sd-4 bacteria revealed that they divide on broth-agar medium to the same extent as nonirradiated [r] ...
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Streptomycin Resistance and Lineage Specific Polymorphisms in Mycobacterium tuberculosis gidB Gene
... to streptomycin resistance in the rpsL and rrs genes are well known and can explain about 70% of this phenotypic ...mycin resistance in Mycobacterium ...in streptomycin- susceptible and ...
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GENETIC ANALYSIS OF STREPTOMYCIN RESISTANCE IN ESCHERICHIA COLI
... (Colonies with other phenotypes repre- sented less than 5% of the colonies on the minimal plates, except in crosses with the least re- strictive strA6O type allele, wher[r] ...
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STREPTOMYCIN RESISTANCE IN ESCHERICHIA COLI ANALYZED BY TRANSDUCTION
... If two independent suppressor mutants represented mutations at two different gene loci, not closely linked, reciprocal transduction experiments between them would be expected to [r] ...
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TRANSFORMATION OF STREPTOMYCIN MARKERS IN ROUGH STRAINS OF RHIZOBIUM LUPINI. II. THE RELATION BETWEEN THE DETERMINANT OF STREPTOMYCIN DEPENDENCE AND THOSE FOR STREPTOMYCIN RESISTANCE AND SENSITIVENESS
... Some suggestion that they may in part do so comes from the third resistance transformation (donor str-r-IO) listed in Table 3, This donor, having low resistance only, donates [r] ...
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THE QUANTITATIVE ESTIMATION OF RADIATION INDUCED MUTATIONS TO STREPTOMYCIN RESISTANCE IN ESCHERICHIA COLI
... When aliquots of irradiated cultures are plated on agar containing strepto- mycin, surviving colonies (mutants) are counted with a stereoscopic micro- scope after at lea[r] ...
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THE INHERITANCE OF STREPTOMYCIN RESISTANCE AND DEPENDENCE IN CROSSES OF ESCHERICHIA COLI
... and streptomycin dependence. In a subsequent set of experiments involving similar numbers of tests no ss colonies were obtained. The ss colonies, however, represent a valid obs[r] ...
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THE MAPPING OF GENETIC LOCI AFFECTING STREPTOMYCIN RESISTANCE IN PNEUMOCOCCUS
... The significantly greater number of colonies appearing at 25 pg streptomycin per ml than at higher streptomycin concentrations was presumptive evidence that more than one [r] ...
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A NOVEL POINT MUTATION IN rpsL GENE OF STREPTOMYCES COELICOLOR WITH ENHANCED BLUE PIGMENT PRODUCTION
... Resistant streptomycin mutants were ...different streptomycin concentrations were obtained as colonies that grew at 30C for 7 ...different resistance level to streptomycin (Table 1) were ...
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Prevalence of Multidrug Resistant Enterococci in a Tertiary Care Hospital in India: A Growing Threat
... acquire resistance to penicillin, high concentration of aminoglycoside & ...Level Streptomycin Resistance (HLSR) & High Level Gentamicin Resistance (HLGR) in different enterococcal ...
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Evolution of the streptomycin and viomycin biosynthetic clusters and resistance genes
... inactivate streptomycin (Figure ...griseus streptomycin producers possess two resistance genes: strA (aphD), classified as APH(6)-Ia, which phosphorylates streptomycin on the hydroxyl group ...
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GENETIC ANALYSES OF MUTATIONS FROM STREPTOMYCIN DEPENDENCE TO INDEPENDENCE IN SALMONELLA TYPHIMURIUM
... The level of streptomycin resistance displayed by a suppressed independent strain is de- termined by the interactions among the specific dependence mutation, modifier [r] ...
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EXPERIMENTAL STUDIES ON THE ACTION OF STREPTOMYCIN, AUREOMYCIN, AND CHLOROMYCETIN ON BRUCELLA
... Sensitizity of Strains of Brucella Isolated after Streptomycin Therapy Streptomycin resistance as a cause of therapeutic failure in cases of brucellosis was investigated, first, by deter[r] ...
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Plasmid profile analysis and antibiotic resistance patterns of shigella isolates from Kwale County, Kenya
... and streptomycin resistance was significantly associated with a single plasmid of 80kb while transfer of combined resistance to ampicillin, sulfamethoxazole-tri- methoprim, streptomycin and ...
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MECHANISM OF EMERGENCE OF RESISTANCE TO STREPTOMYCIN IN FIVE SPECIES OF GRAM NEGATIVE BACILLI
... The degree of resistance exhibited after 1, 10 and 20 subcultures in broth in the absence of strepto- mycin was tested by comparing the number of colonies which grew from the same inocul[r] ...
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Secondary Bacterial Infection Accompanying Some Skin Diseases
... The Proteus mirabilis bacteria showed great resistance to Amoxicillin, Nitrofurantonin and Streptomycin antibiotics, while they were very sensitive to Kanamycin, Erthromycin, Ciproflo[r] ...
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Molecular Characterization of a New Ribotype ofVibrio cholerae O139 Bengal Associated with an Outbreak of Cholera in Bangladesh
... Interplay of a variety of factors in the aquatic environment and genetic and phenotypic changes in V. cholerae, as well as the immune status of the human host, may contribute to the existence and dominance of different ...
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Clonality and Antimicrobial Resistance Gene Profiles of Multidrug Resistant Salmonella enterica Serovar Infantis Isolates from Four Public Hospitals in Rio de Janeiro, Brazil
... antimicrobial resistance, (iii) ascertain the presence and spread of integron-carried resistance genes, and finally, (iv) assess the macro-restriction fragment length polymorphisms between ...
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ANTIBIOTIC RESISTANCE ISSUES IN CLINICAL PATHOGENS: A REVIEW
... with resistance, SHV- and TEM-derived extended-spectrum β- lactamases (ESBLs) have also been noted for Citrobacter species in case of the outbreaks of clonal strains and ...plasmid-coded resistance ...
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THE DEVELOPMENT OF RESISTANCE OF SALMONELLA TYPHOSA TO THE FATTY ACID SALTS OF STREPTOMYCIN AND DIHYDROSTREPTOMYCIN
... typhosa to the fatty acid salts of streptomycin and dihydrostreptomycin, using as controls the calcium chloride complex salt of streptomycin and dihydrostreptomycin sulfate, it was quite[r] ...
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