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Multiplex PCR on leptospiral isolates from Kolenchery, Kerala, India
1Department of Microbiology, MOSC Medical College, Kolenchery, Kerala, India. sheelasugathan@yahoo.co.in
Abstract:
Human leptospirosis causes severe multiorgan dysfunctions that may end in multiorgan failure and death. The methods in hand for diagnosis of leptospirosis like culture, ELISA and MAT only help to confirm the disease, and are of little value in early detection. The aim of this study was to find out if the two sets of primers described earlier could detect all the isolates from the area, for the purpose of using the resultant database for early detection of leptospires in future from clinical specimens. The study was done on culture isolates from Jan 2000 to June 2002 attending the department of medicine, MOSC medical college hospital, Kolenchery, Kerala, India. DNA of 45 culture isolates were amplified by multiplex PCR using two sets of previously described primers, G1, G2 and B 64-I, B 64-II. Specific amplifications of either 285 or 563 bp size were obtained from all isolates included in the study indicating the utility of the multiplex PCR in the rapid detection of leptospires in clinical samples.
Insights
Early detection of human leptospirosis is crucial. Multiplex PCR using specific primers effectively identified all leptospire isolates, showing promise for rapid clinical diagnosis.
Area of Science:
- Microbiology
- Molecular Biology
- Infectious Diseases
Background:
- Human leptospirosis is a severe zoonotic disease causing multiorgan dysfunction and potential fatality.
- Current diagnostic methods (culture, ELISA, MAT) are inadequate for early leptospirosis detection.
Purpose of the Study:
- To evaluate the efficacy of two primer sets in detecting local leptospire isolates.
- To establish a database for early leptospire detection in clinical samples.
Main Methods:
- Multiplex PCR amplification of DNA from 45 leptospire culture isolates.
- Utilized two sets of previously described primers: G1, G2 and B 64-I, B 64-II.
Main Results:
- Specific amplifications of 285 bp or 563 bp were achieved from all tested isolates.
- The multiplex PCR method demonstrated high utility for detecting leptospires.
Conclusions:
- Multiplex PCR with the selected primers is a valuable tool for the rapid identification of leptospires.
- This technique can facilitate early detection of leptospirosis in clinical specimens.
