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1.

Drug resistance and colicin production among various serotypes of Escherichia coli of animal origin.

Singh, M; Ahmad, C M; Yadava, J N.

Indian J Pathol Microbiol ; 1989 Jul; 32(3): 161-6

Article in English | IMSEAR | ID: sea-75563

ABSTRACT

One hundred and twenty two strains of E. coli isolated from clinical conditions of animals were studied for the production of colicins and their sensitivity behaviour towards 16 antibiotics and trimethoprim-sulphamethoxazole. Out of 122 strains, 27 (22.1%) were found colicinogenic and 25 (93%) of these colicinogenic strains were found resistant to one or more of drugs in various combinations. All the 27 colicinogenic strains could be typed into 15 serogroups. Serogroup 084 was found predominant. Transfer of R-plasmids and Col-plasmids were observed in 5 (18.5%) strains individually. In one strain both drug resistance and colicin production determinants were transferred enblock. Such transconjugants will be more invasive and virulent and will create serious chemotherapeutic problems.

Subject(s)

Animals , Colicins/biosynthesis , Drug Resistance, Microbial/genetics , Escherichia coli/classification , R Factors , Serotyping , Virulence

2.

Enterotoxigenicity & antibiotic resistance behaviour of Escherichia coli of animal origin.

Choudhry, M A; Yadava, J N; Singh, M.

Article in English | IMSEAR | ID: sea-17841

Subject(s)

Animals , Cattle , Drug Resistance, Microbial , Enterotoxins/biosynthesis , Escherichia coli/drug effects , Horses , Poultry , Sheep

3.

Effect of acridinium ions on curing of R-plasmids.

Singh, M; Yadava, J N.

Indian J Exp Biol ; 1988 Sep; 26(9): 668-70

Article in English | IMSEAR | ID: sea-56721

Subject(s)

Acridine Orange/pharmacology , Escherichia coli/genetics , R Factors/drug effects

4.

Infectious mercury resistance and its co-transfer with R-plasmids among Escherichia coli strains.

Ahmad, S; Yadava, J N.

Indian J Exp Biol ; 1988 Aug; 26(8): 601-5

Article in English | IMSEAR | ID: sea-56811

Subject(s)

Animals , Anti-Bacterial Agents/pharmacology , Drug Resistance, Microbial/genetics , Escherichia coli/drug effects , Humans , Mercury/pharmacology , R Factors

5.

Enterotoxin production & colonization factor among somatic antigen groups of Escherichia coli strains.

Saxena, V K; Yadava, J N.

Article in English | IMSEAR | ID: sea-24695

Subject(s)

Antigens, Bacterial/analysis , Bacterial Toxins/metabolism , Enterotoxins/metabolism , Escherichia coli/immunology , Escherichia coli Infections/immunology , Escherichia coli Proteins , Fimbriae Proteins , Humans , Urinary Tract Infections/immunology

6.

Plasmids coding for enterotoxins, hemolysins and hemagglutinins and their role in virulence and pathogenicity of Escherichia coli.

Yadava, J N; Saxena, V K; Ansari, M Q.

Indian J Pathol Microbiol ; 1986 Jul; 29(3): 303-7

Article in English | IMSEAR | ID: sea-73927

Subject(s)

Enterotoxins/genetics , Escherichia coli/genetics , Hemagglutinins/genetics , Hemolysin Proteins/genetics , Plasmids , Virulence

7.

Transfer of antibiotic resistance from Escherichia coli of human origin to Salmonella typhimurium in the intestinal tract of suckling rats.

Yadava, J N; Ansari, M Q; Goel, R.

Article in English | IMSEAR | ID: sea-21061

Subject(s)

Animals , Anti-Bacterial Agents/pharmacology , Conjugation, Genetic , Escherichia coli/drug effects , Humans , Intestines/microbiology , R Factors , Rats , Salmonella typhimurium/genetics

8.

Haemagglutinins & enterotoxins in Escherichia coli strains from human urinary tract infections.

Saxena, V K; Yadava, J N.

Article in English | IMSEAR | ID: sea-20065

Subject(s)

Animals , Cattle , Enterotoxins/analysis , Erythrocytes/immunology , Escherichia coli/immunology , Guinea Pigs , Hemagglutination Tests , Hemagglutinins/analysis , Humans , Poultry , Urinary Tract Infections/immunology

9.

Spontaneous loss of drug resistance under laboratory conditions in clinical isolates of Escherichia coli.

Yadava, J N; Ansari, M Q; Goel, R; Rajani, H B.

Article in English | IMSEAR | ID: sea-19471

Subject(s)

Anti-Bacterial Agents/pharmacology , Bacteriological Techniques , Drug Resistance, Microbial , Escherichia coli/drug effects , R Factors , Time Factors

10.

Lethal action of bile on axenically grown E. histolytica and the influence of bile salts on the amoebicidal activity of emetine and metronidazole.

Yadava, J N; Dutta, G P.

Article in English | IMSEAR | ID: sea-21113

Subject(s)

Animals , Bile , Bile Acids and Salts/pharmacology , Cats , Dogs , Emetine/pharmacology , Entamoeba histolytica/drug effects , Humans , Metronidazole/pharmacology , Rabbits

11.

Interrelationship of pH and oxidation-reduction potential on growth of axenic Entamoeba histolytica and the influence of pH on amoebicidal activity of drugs.

Dutta, G P; Yadava, J N.

Article in English | IMSEAR | ID: sea-18761

Subject(s)

Animals , Emetine/pharmacology , Entamoeba histolytica/drug effects , Hydrogen-Ion Concentration , Oxidation-Reduction

12.

Fructification & antagonistic effect of myxobacteria on eubacteria: lytic effect & fruiting body formation of Myxococcus, Chondrococcus & Angiococcus spp.

Singh, N B; Yadava, J N.

Indian J Exp Biol ; 1976 Jan; 14(1): 68-70

Article in English | IMSEAR | ID: sea-61512

Subject(s)

Bacteria , Bacteriolysis , Fungi , Myxococcales/growth & development

13.

Amoebicidal action of bile salts and other surface-active agents on axenically grown Entamoeba histolytica.

Dutta, G P; Yadava, J N.

Article in English | IMSEAR | ID: sea-23818

Subject(s)

Animals , Bile Acids and Salts/pharmacology , Entamoeba histolytica/drug effects , Surface-Active Agents/pharmacology

14.

Combined action of antiamoebic drugs and antibiotics on axenically grown Entamoeba histolytica.

Yadava, J N; Dutta, G P.

Article in English | IMSEAR | ID: sea-20971

Subject(s)

Amebicides/pharmacology , Animals , Anti-Bacterial Agents/pharmacology , Drug Combinations , Drug Synergism , Entamoeba histolytica/drug effects

15.

Studies on antiviral property of fruiting Myxobacteria (Myxococcus virescens).

Singh, N B; Babbar, O P; Yadava, J N.

Indian J Exp Biol ; 1973 May; 11(3): 252-3

Article in English | IMSEAR | ID: sea-60754

Subject(s)

Animals , Antibiosis , Cells, Cultured , Chick Embryo , Fibroblasts , Hemagglutination, Viral , Myxococcales , Newcastle disease virus

16.

Comparison of amoebicidal action of antibiotics on Entamoeba histolytica grown axenically & with bacterial or trypanosome associates.

Yadava, J N; Dutta, G P.

Indian J Exp Biol ; 1973 Mar; 11(2): 105-7

Article in English | IMSEAR | ID: sea-56232

Subject(s)

Animals , Anti-Bacterial Agents/pharmacology , Bacteria , Entamoeba histolytica/drug effects , Microbial Sensitivity Tests , Trypanosoma cruzi

17.

Direct amoebicidal action of known antiamoebic drugs against axenically grown Entamoeba histolytica.

Dutta, G P; Yadava, J N.

Article in English | IMSEAR | ID: sea-23505

Subject(s)

Amebicides/pharmacology , Animals , Entamoeba histolytica/drug effects , Microbial Sensitivity Tests

18.

Nutritional studies of Escherichia coli strains: vitamin requirements and their relationship to phage subsceptibility, adversities visited by auxotrophs on host system and suggestive chemotherapy.

Yadava, J N.

Indian J Med Sci ; 1971 Jul; 25(7): 453-9

Article in English | IMSEAR | ID: sea-67431

Subject(s)

Animals , Animals, Domestic , Anti-Bacterial Agents/pharmacology , Buffaloes , Cattle , Coliphages/pathogenicity , Drug Resistance, Microbial , Escherichia coli/metabolism , Gastroenteritis/drug therapy , Genetics, Microbial , Goats , Microbial Sensitivity Tests , Nutritional Requirements , Vitamins

19.

Spontaneous infection of laboratory albino rats with psittacosis-like organism.

Yadava, J N.

Indian J Exp Biol ; 1970 Oct; 8(4): 270-2

Article in English | IMSEAR | ID: sea-57240

Subject(s)

Animals , Animals, Laboratory , Pneumonia, Viral/veterinary , Rats , Rodent Diseases/microbiology

20.

Host range & plaque size characters of wild type colidysentery phages of Escherichia coli strain B.

Yadava, J N; Chandra, K; Oupta, B M.

Indian J Exp Biol ; 1970 Jul; 8(3): 201-6

Article in English | IMSEAR | ID: sea-60688

Subject(s)

Bacteriophage Typing , Carbohydrate Metabolism , Coliphages , Culture Media , DNA, Viral/analysis , Escherichia coli/classification

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