Wheat improvement through advances in single nucleotide polymorphism (SNP) detection and genotyping with a special emphasis on rust resistance

Article


Subramaniam, Subramaniam, Kadirvel, Palchamy and Periyannan, Sambasivam. 2024. "Wheat improvement through advances in single nucleotide polymorphism (SNP) detection and genotyping with a special emphasis on rust resistance." Theoretical and Applied Genetics: international journal of plant breeding research. 137 (10). https://doi.org/10.1007/s00122-024-04730-w
Article Title

Wheat improvement through advances in single nucleotide polymorphism (SNP) detection and genotyping with a special emphasis on rust resistance

ERA Journal ID2411
Article CategoryArticle
AuthorsSubramaniam, Subramaniam, Kadirvel, Palchamy and Periyannan, Sambasivam
Journal TitleTheoretical and Applied Genetics: international journal of plant breeding research
Journal Citation137 (10)
Article Number224
Number of Pages18
Year2024
PublisherSpringer
Place of PublicationGermany
ISSN0040-5752
1432-2242
Digital Object Identifier (DOI)https://doi.org/10.1007/s00122-024-04730-w
Web Address (URL)https://link.springer.com/article/10.1007/s00122-024-04730-w
AbstractKey messageSingle nucleotide polymorphism (SNP) markers in wheat and their prospects in breeding with special reference to rust resistance.AbstractSingle nucleotide polymorphism (SNP)-based markers are increasingly gaining momentum for screening and utilizing vital agronomic traits in wheat. To date, more than 260 million SNPs have been detected in modern cultivars and landraces of wheat. This rapid SNP discovery was made possible through the release of near-complete reference and pan-genome assemblies of wheat and its wild relatives, coupled with whole genome sequencing (WGS) of thousands of wheat accessions. Further, genotyping customized SNP sites were facilitated by a series of arrays (9 to 820Ks), a cost effective substitute WGS. Lately, germplasm-specific SNP arrays have been introduced to characterize novel traits and detect closely linked SNPs for marker-assisted breeding. Subsequently, the kompetitive allele-specific PCR (KASP) assay was introduced for rapid and large-scale screening of specific SNP markers. Moreover, with the advances and reduction in sequencing costs, ample opportunities arise for generating SNPs artificially through mutations and in combination with next-generation sequencing and comparative genomic analyses. In this review, we provide historical developments and prospects of SNP markers in wheat breeding with special reference to rust resistance where over 50 genetic loci have been characterized through SNP markers. Rust resistance is one of the most essential traits for wheat breeding as new strains of the Puccinia fungus, responsible for rust diseases, evolve frequently and globally.
KeywordsSingle nucleotide polymorphism ; rust resistance
Contains Sensitive ContentDoes not contain sensitive content
ANZSRC Field of Research 2020300103. Agricultural molecular engineering of nucleic acids and proteins
Byline AffiliationsTamil Nadu Agricultural University, India
Centre for Crop Health
ndian Council of Agricultural Research-Indian Institute of Oilseeds Research, India
School of Agriculture and Environmental Science
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