Loop-mediated isothermal amplification assay for the rapid detection of Anaplasma marginale in cattle based on major surface protein 5 gene

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dc.contributor.authorGanguly, Nabanitaen_US
dc.contributor.authorKumar, Niranjanen_US
dc.contributor.authorSolanki, Jayesh Ben_US
dc.contributor.authorKalyani, I Hen_US
dc.contributor.authorThakuria, Nabanitaen_US
dc.contributor.authorPatel, Dharmesh Cen_US
dc.date.accessioned2023-06-17T08:46:01Z
dc.date.available2023-06-17T08:46:01Z
dc.date.issued2023-01
dc.description.abstractBackground & objectives: Timely intervention is needed to minimize the economic losses of vector-borne bovine anaplasmosis which can be possible by the isothermal amplification assay. Methods: Anaplasma marginale in the cattle of south Gujarat, India was detected in the PCR and LAMP by amplifying the fragment of msp5 gene. The PCR product was digested with EcoRI, and sequenced to confirm its pathogen specific detection. Results: Species specific PCR observed a band of 457 bp of msp5 DNA following 1% agarose gel electrophoresis. Positive LAMP reaction turned into yellow colour while negative sample depicted original pink colour. A detection limit of PCR and LAMP was up to 10-6 and 10-8 of the original genomic DNA of A. marginale, respectively. A single cut site of EcoRI was observed in the PCR product. Current msp5 DNA sequences of A. marginale (MW538962 and MW538961) showed 100% homology with the published sequences. Monophyletic lineage type relationship was observed with high bootstrap proportion among the msp5 DNA sequences of A. marginale in the phylogram. Prevalence rate of A. marginale was significantly higher (p<0.05) in the PCR [43/280 (15.36%)] and LAMP [62/280 (22.14%)] than the microscopic technique [17/280 (6.07%)]. Diagnostic sensitivity, specificity, positive and negative predictive values at 95% CI for LAMP assay with respect to PCR were 93.02%, 90.72%, 64.52% and 98.62%, respectively. Interpretation & conclusion: Thus LAMP can be a practical alternative to the PCR for the diagnosis of A. marginale infection in the cattle even in field conditionen_US
dc.identifier.affiliationsDepartment of Veterinary Parasitology/Microbiology, College of Veterinary Science and Animal Husbandry, Navsari, Kamdhenu University, Gandhinagar, Indiaen_US
dc.identifier.citationGanguly Nabanita, Kumar Niranjan, Solanki Jayesh B, Kalyani I H, Thakuria Nabanita, Patel Dharmesh C. Loop-mediated isothermal amplification assay for the rapid detection of Anaplasma marginale in cattle based on major surface protein 5 gene. Journal of Vector Borne Diseases . 2023 Jan; 60(1): 49-56en_US
dc.identifier.issn0972-9062
dc.identifier.placeIndiaen_US
dc.identifier.urihttps://imsear.searo.who.int/handle/123456789/216916
dc.languageenen_US
dc.publisherWolters Kluwer – Medknowen_US
dc.relation.issuenumber1en_US
dc.relation.volume60en_US
dc.source.urihttps://doi.org/10.4103/0972-9062.353249en_US
dc.subjectAnaplasma marginaleen_US
dc.subjectPCRen_US
dc.subjectLAMPen_US
dc.subjectisothermal amplificationen_US
dc.subjectmsp5en_US
dc.titleLoop-mediated isothermal amplification assay for the rapid detection of Anaplasma marginale in cattle based on major surface protein 5 geneen_US
dc.typeJournal Articleen_US
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