ArticlePeerJ2020
Genetic loci determining potato starch yield and granule morphology revealed by genome-wide association study (GWAS).
Article in PeerJ, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 23 citations in OpenAlex.
- Predicting End-Use Quality in Russet Potatoes Through Biochemical and Starch Analysis.Journal of food science · 2026Article
- Genotypic Diversity and Genome-Wide Association Study of Protein Content and Amino Acid Profile in Diverse Potato Accessions.Foods (Basel, Switzerland) · 2025Article
- SpudDB: a database for accessing potato genomic data.Genetics · 2025Article
- Identification by GWAS of marker haplotypes relevant to breed potato for Globodera pallida resistance.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Allelic variation in the autotetraploid potato: genes involved in starch and steroidal glycoalkaloid metabolism as a case study.BMC genomics · 2024Article
- Genetic architecture of tuber-bound free amino acids in potato and effect of growing environment on the amino acid content.Scientific reports · 2023Article
- The Glycemic Index and Human Health with an Emphasis on Potatoes.Foods (Basel, Switzerland) · 2022Review
- Association mapping reveals novel genomic regions controlling some root and stolon traits in tetraploid potato (3 Biotech · 2021Article
- Different Reactivity of Raw Starch from Diverse Potato Genotypes.Molecules (Basel, Switzerland) · 2021Article
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundIt is well-documented that (bio)chemical reaction capacity of raw potato starch depends on crystallinity, morphology and other chemical and physical properties of starch granules, and these properties are closely related to gene functions. Preparative yield, amylose/amylopectin content, and phosphorylation of potato tuber starch are starch-related traits studied at the genetic level. In this paper, we perform a genome-wide association study using a 22K SNP potato array to identify for the first time genomic regions associated with starch granule morphology and to increase number of known genome loci associated with potato starch yield.
methodsA set of 90 potato (
resultsA total of 53 novel SNPs was identified on potato chromosomes 1, 2, 4, 5, 6, 7, 9, 11 and 12; these SNPs are associated with tuber starch preparative yield and granule morphology. Eight SNPs are situated close to each other on the chromosome 1 and 19 SNPs-on the chromosome 2, forming two DNA regions-potential QTLs, regulating aspect ratio and roundness of the starch granules. Thirty-seven of 53 SNPs are located in protein-coding regions. There are indications that granule shape may depend on starch phosphorylation processes. The
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