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Review
. 2014 Oct;30(1-2):65-78.
doi: 10.1080/02648725.2014.921501.

Advances and applications of molecular cloning in clinical microbiology

Kamal Sharma  1 , Ajay Kumar Mishra, Vikram Mehraj, Ganesh Selvaraj Duraisamy
Affiliations
Review

Advances and applications of molecular cloning in clinical microbiology

Kamal Sharma et al. Biotechnol Genet Eng Rev. 2014 Oct.

Abstract

Molecular cloning is based on isolation of a DNA sequence of interest to obtain multiple copies of it in vitro. Application of this technique has become an increasingly important tool in clinical microbiology due to its simplicity, cost effectiveness, rapidity, and reliability. This review entails the recent advances in molecular cloning and its application in the clinical microbiology in the context of polymicrobial infections, recombinant antigens, recombinant vaccines, diagnostic probes, antimicrobial peptides, and recombinant cytokines. Culture-based methods in polymicrobial infection have many limitation, which has been overcome by cloning techniques and provide gold standard technique. Recombinant antigens produced by cloning technique are now being used for screening of HIV, HCV, HBV, CMV, Treponema pallidum, and other clinical infectious agents. Recombinant vaccines for hepatitis B, cholera, influenza A, and other diseases also use recombinant antigens which have replaced the use of live vaccines and thus reduce the risk for adverse effects. Gene probes developed by gene cloning have many applications including in early diagnosis of hereditary diseases, forensic investigations, and routine diagnosis. Industrial application of this technology produces new antibiotics in the form of antimicrobial peptides and recombinant cytokines that can be used as therapeutic agents.

Keywords: clinical microbiology; cloning; recombinant antigen; recombinant peptide.

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