ArticleBMC genomics2024
Allelic variation in the autotetraploid potato: genes involved in starch and steroidal glycoalkaloid metabolism as a case study.
Article in BMC genomics, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Article
- Haplotype-resolved regulation of secondary metabolism in cannabis.Horticulture research · 2026Article
- Evaluating LED parameters in a growth chamber to maintain potato yield and enhance minitubers production in greenhouse with molecular insights.Scientific reports · 2026Article
- Untargeted Metabolomics Reveals Major Patterns of Metabolic Shifts in Potato Seed Tubers during Storage.Potato research · 2026Article
- SpudDB: a database for accessing potato genomic data.Genetics · 2025Article
- Potato steroidal glycoalkaloids: properties, biosynthesis, regulation and genetic manipulation.Molecular horticulture · 2024Review
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Authors and funding
7 authors.
Funding
Abstract
backgroundTuber starch and steroidal glycoalkaloid (SGA)-related traits have been consistently prioritized in potato breeding, while allelic variation pattern of genes that underlie these traits is less explored.
resultsHere, we focused on the genes involved in two important metabolic pathways in the potato: starch metabolism and SGA biosynthesis. We identified 119 genes consisting of 81 involved in starch metabolism and 38 in the biosynthesis of steroidal glycoalkaloids, and discovered 96,166 allelic variants among 2,169 gene haplotypes in six autotetraploid potato genomes. Comparative analyses revealed an uneven distribution of allelic variants among gene haplotypes and that the vast majority of deleterious mutations in these genes are retained in heterozygous state in the autotetraploid potato genomes. Leveraging full-length cDNA sequencing data, we find that approximately 70% of haplotypes of the 119 genes are transcribable. Population genetic analyses identify starch and SGA biosynthetic genes that are potentially conserved or diverged between potato varieties with varying starch or SGA content.
conclusionsThese results deepen the understanding of haplotypic diversity within functionally important genes in autotetraploid genomes and may facilitate functional characterization of genes or haplotypes contributing to traits related to starch and SGA in potato.
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