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TILLING, high-resolution melting (HRM), and next-generation sequencing (NGS) techniques in plant mutation breeding


Taheri, Sima and Abdullah, Thohirah Lee and Jain, Shri and Sahebi, Mahbod and Azizi, Parisa (2017) TILLING, high-resolution melting (HRM), and next-generation sequencing (NGS) techniques in plant mutation breeding. Molecular Breeding, 37 (40). pp. 1-23. ISSN 1380-3743; ESSN: 1572-9788


Induced mutations have been used effectively for plant improvement. Physical and chemical mutagens induce a high frequency of genome variation. Recently, developed screening methods have allowed the detection of single nucleotide polymorphisms (SNPs) and the identification of traits that are difficult to identify at the molecular level by conventional breeding. With the assistance of reverse genetic techniques, sequence variation information can be linked to traits to investigate gene function. Targeting induced local lesions in genomes (TILLING) is a high-throughput technique to identify single nucleotide mutations in a specific region of a gene of interest with a powerful detection method resulted from chemical-induced mutagenesis. The main advantage of TILLING as a reverse genetics strategy is that it can be applied to any species, regardless of genome size and ploidy level. However, TILLING requires laborious and time-consuming steps, and a lack of complete genome sequence information for many crop species has slowed the development of suitable TILLING targets. Another method, high-resolution melting (HRM), which has assisted TILLING in mutation detection, is faster, simpler and less expensive with non-enzymatic screening system. Currently, the sequencing of crop genomes has completely changed our vision and interpretation of genome organization and evolution. Impressive progress in next-generation sequencing (NGS) technologies has paved the way for the detection and exploitation of genetic variation in a given DNA or RNA molecule. This review discusses the applications of TILLING in combination with HRM and NGS technologies for screening of induced mutations and discovering SNPs in mutation breeding programs.

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Additional Metadata

Item Type: Article
Divisions: Faculty of Agriculture
Institute of Tropical Agriculture
DOI Number: https://doi.org/10.1007/s11032-017-0643-7
Publisher: Springer
Keywords: Mutation breeding; Mutagenesis; EMS; TILLING; High resolution melting; Next-generation sequencing; SNPs
Depositing User: Mohd Hafiz Che Mahasan
Date Deposited: 05 Nov 2018 02:18
Last Modified: 05 Nov 2018 02:18
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1007/s11032-017-0643-7
URI: http://psasir.upm.edu.my/id/eprint/63575
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