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Tetra-Primer Amplification Refractory Mutation System (T-ARMS).

Arnab Mukherjee¹, Tirthartha Chattopadhyay¹

¹Department of Plant Breeding and Genetics, Bihar Agricultural College, Bihar Agricultural University, Sabour, Bhagalpur, Bihar, India.

Methods in Molecular Biology (Clifton, N.J.)

|February 13, 2023

Summary

The tetra primer amplification refractory mutation system (T-ARMS) offers a low-cost, efficient method for detecting single-nucleotide polymorphisms (SNPs). This technique simplifies SNP genotyping in plants using standard agarose gel electrophoresis.

Keywords:

Allele-specific amplicon Codominant marker Genotyping Point mutation Polymerase chain reaction Refractory amplification

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Area of Science:

Molecular Biology
Genetics
Plant Science

Background:

Single-nucleotide polymorphisms (SNPs) are abundant genetic variations.
Traditional SNP detection methods often require expensive equipment and are time-consuming.
Existing PCR-based methods can be less diagnostic and laborious.

Purpose of the Study:

To describe the principle, methods, and conditions for the tetra primer amplification refractory mutation system (T-ARMS) strategy.
To highlight T-ARMS as a low-cost alternative for SNP detection.
To provide a comprehensive guide for implementing T-ARMS in plant research.

Main Methods:

Genomic DNA isolation from plant samples.
Utilizing the tetra primer amplification refractory mutation system (T-ARMS) with allele-specific primers in a single PCR.
Analysis of PCR amplicons via standard agarose gel electrophoresis.

Main Results:

T-ARMS enables diagnostic SNP detection in a codominant manner.
The method is robust, simple, and utilizes standard laboratory equipment.
Successful application of T-ARMS in various crop plants has been demonstrated.

Conclusions:

T-ARMS is a valuable, low-cost method for SNP genotyping in plants.
The strategy offers a practical and efficient alternative to conventional SNP detection techniques.
Further research can explore limitations and expand future perspectives of T-ARMS.