TB Research

Design of New Primer Sets for the Development of a Loop-Mediated Isothermal Amplification for Rapid Detection of.

Cuong Viet Vo, Trang Thu Nguyen, Huong Thu Ngo, Lan Anh Thi Bui, Toan Van Trinh, Loan Thi Vu, Hieu Dang Hoang, Phong Quoc Truong

Current issues in molecular biology · 2025-06

Abstract

is a pathogenic bacterial agent that causes meningococcal meningitis in humans. Developing a rapid and low-costdetection method is crucial, especially for developing countries. This study focuses on the development of an efficient loop-mediated isothermal amplification (LAMP) method for accurateidentification. A new LAMP primer set was designed, and a LAMP reaction was optimized. The colorimetric detection method was also applied, and the assay characteristics were evaluated using clinical samples. The results demonstrated a specific LAMP reaction fordetection of genotypes A, B, and C, with a limit of detection of 10cfu/mL, 100% specificity and sensitivity, and a rapid detection time of only 40 min by colorimetric visual inspection. No cross-reactivity with reference strains of,,,, andtype b was observed in the LAMP reaction with the new primer set. This result suggests that the LAMP reaction could be a promising tool for developing a rapiddetection method suitable for use in Vietnam and other developing countries.