Evidence map›Paper›PMID 29205190›Full record

ArticleThe Indian journal of medical research2017

Characterization of antimicrobial resistance markers & their stability in

Yashwant Kumar, Anshu Sharma, Kavaratty Raju Mani

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Article in The Indian journal of medical research, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

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2citing papers in PubMed
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1 · What the graph read from it

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3 · Its place in the literature

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2 citing papers in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

3 authors.

Yashwant KumarNational Salmonella & Escherichia Centre, Central Research Institute, Kasauli, India.
Anshu SharmaNational Salmonella & Escherichia Centre, Central Research Institute, Kasauli, India.
Kavaratty Raju ManiNational Salmonella & Escherichia Centre, Central Research Institute, Kasauli, India.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

BACKGROUND &

objectivesTyphoid fever is a major cause of morbidity and mortality in the developing countries including India. Resistance to multiple antimicrobial agents is an emerging global problem that has serious impact on the treatment of disease. There are many factors associated with the emergence of resistance. Most important of them is the acquisition and further transmission and spread of resistance markers among various bacterial species. Therefore, we conducted this study to characterize the resistance plasmids in terms of their transferability and stability among Salmonella enterica serovar Typhi.

methodsSix multidrug-resistant S. Typhi isolates were evaluated for the stability and transfer of resistance markers. The resistance plasmids were also checked for the presence of RepHI1A replicon.

resultsAll resistance markers were found to be transferred to the recipient through conjugation and transformation, except for nalidixic acid. None of the resistance plasmid was found to harbour RepHI1A replicon and therefore, did not belong to incompatibility group IncHI1. Resistance markers were found to be highly stable in all the isolates during serial passages and storage as stab cultures at different temperatures for different time periods. INTERPRETATION &

conclusionsResistance markers for chloramphenicol, ampicillin, streptomycin and trimethoprim were transferred through conjugation as well as transformation whereas that for nalidixic acid was not transferred in any of the isolates. Markers for chloramphenicol and streptomycin resistance were found to be most stable during various storage conditions. Presence of small-sized non-IncHI1 resistance plasmids is a matter of concern due to their capability to exist inside the host, thereby increasing the possibility of their transmission and spread among S. Typhi and other bacterial species.

Indexed as

AmpicillinAnti-Bacterial AgentsChloramphenicolDrug Resistance, Multiple, BacterialHumansIndiaMicrobial Sensitivity TestsNalidixic AcidPlasmidsSalmonella entericaTyphoid FeverAmpicillinAnti-Bacterial AgentsChloramphenicolNalidixic Acid

Identifiers

PMID29205190
PMCPMC5735575

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