?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Plasmid-Encoded+Multidrug+Resistance+of+Salmonella+typhi+and+some+Enteric+Bacteria+in+and+around+Kolkata%2C+India%3A+A+Preliminary+Study&rft.creator=Mandal%2C+Mr.+Shyamapada&rft.creator=Mandal%2C+Ms.+Manisha+Deb&rft.creator=Pal%2C+Dr.+Nishith+Kumar&rft.subject=Online+Journal+of+Health+and+Allied+Sciences&rft.description=The+present+study+investigates+the+occurrence+of+R-plasmid+in+Salmonella+typhi+isolates+from+enteric+fever+cases+in+and+around+Kolkata+(1991-2001)%2C+India+following+in+vitro+conjugation+experiments%2C+isolation+of+plasmid+DNAs+and+agarose+gel+electrophoretic+analysis.+The+multidrug+resistant+(MDR)+S.+typhi+strains+contained+a+transferable+plasmid+conferring+resistance+to+ampicillin%2C+chloramphenicol%2C+cotrimoxazole+and+tetracycline.+The+plasmid+encoding+ACCoT-resistance+of+Escherichia+coli%2C+Klebsiella+pneumoniae+and+Proteus+vulgaris+were+conjugative+and+co-migrated+with+the+plasmid+of+MDR+S.+typhi+isolates.+The+antibiotic+sensitive+S.+typhi+isolates+did+not+contain+any+plasmid.+Thus+the+findings+of+the+present+study+confirmed+the+instability+of+the+R-plasmid+in+S.+typhi%2C+and+that+the+antibiotic+sensitive+S.+typhi+strains+acquired+the+R-plasmid+from+other+enteric+bacteria+such+as+E.+coli%2C+K.+pneumoniae+and+P.vulgaris+to+undergo+a+suitable+adaptation+for+survival+in+the+changing+antibiotic+environment.&rft.publisher=Dr.+B.S.+Kakkilaya&rft.contributor=Kakkilaya+Bevinje%2C+Dr.+Srinivas&rft.date=2005-02&rft.type=Journal+(On-line%2FUnpaginated)&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F4157%2F1%2F2004-4-2.pdf&rft.identifier=++Mandal%2C+Mr.+Shyamapada+and+Mandal%2C+Ms.+Manisha+Deb+and+Pal%2C+Dr.+Nishith+Kumar++(2005)+Plasmid-Encoded+Multidrug+Resistance+of+Salmonella+typhi+and+some+Enteric+Bacteria+in+and+around+Kolkata%2C+India%3A+A+Preliminary+Study.++%5BJournal+(On-line%2FUnpaginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F4157%2F