ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2014
Allelic variation in genes contributing to glycoalkaloid biosynthesis in a diploid interspecific population of potato.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Allelic variation in the autotetraploid potato: genes involved in starch and steroidal glycoalkaloid metabolism as a case study.BMC genomics · 2024Article
- Promiscuous potato: elucidating genetic identity and the complex genetic relationships of a cultivated potato germplasm collection.Frontiers in plant science · 2024Article
- GWAS in tetraploid potato: identification and validation of SNP markers associated with glycoalkaloid content.Molecular breeding : new strategies in plant improvement · 2022Article
- Potato biofortification: an effective way to fight global hidden hunger.Physiology and molecular biology of plants : an international journal of functional plant biology · 2021Review
- Sustainable Use of Bioactive Compounds fromMolecules (Basel, Switzerland) · 2021Review
- An Eggplant Recombinant Inbred Population Allows the Discovery of Metabolic QTLs Controlling Fruit Nutritional Quality.Frontiers in plant science · 2021Article
- Mapping Solanum chacoense mediated Colorado potato beetle (Leptinotarsa decemlineata) resistance in a self-compatible FTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2020Article
- Article
- Integrated RNA-seq and sRNA-seq analysis reveals miRNA effects on secondary metabolism in Solanum tuberosum L.Molecular genetics and genomics : MGG · 2017Article
- Two Cytochrome P450 Monooxygenases Catalyze Early Hydroxylation Steps in the Potato Steroid Glycoalkaloid Biosynthetic Pathway.Plant physiology · 2016Article
- Development and analysis of a 20K SNP array for potato (Solanum tuberosum): an insight into the breeding history.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2015Article
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4 authors.
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Abstract
key messageVariation for allelic state within genes of both primary and secondary metabolism influences the quantity and quality of steroidal glycoalkaloids produced in potato leaves. Genetic factors associated with the biosynthesis and accumulation of steroidal glycoalkaloids (SGAs) in potato were addressed by a candidate gene approach and whole genome single nucleotide polymorphism (SNP) genotyping. Allelic sequences spanning coding regions of four candidate genes [3-hydroxy-3-methylglutaryl coenzyme A reductase 2 (HMG2); 2,3-squalene epoxidase; solanidine galactosyltransferase; and solanidine glucosyltransferase (SGT2)] were obtained from two potato species differing in SGA composition: Solanum chacoense (chc 80-1) and Solanum tuberosum group Phureja (phu DH). An F2 population was genotyped and foliar SGAs quantified. The concentrations of α-solanine, α-chaconine, leptine I, leptine II and total SGAs varied broadly among F2 individuals. F2 plants with chc 80-1 alleles for HMG2 or SGT2 accumulated significantly greater leptines and total SGAs compared to plants with phu DH alleles. Plants with chc 80-1 alleles at both loci expressed the greatest levels of total SGAs, α-solanine and α-chaconine. A significant positive correlation was found between α-solanine and α-chaconine accumulation as well as between leptine I and leptine II. A whole genome SNP genotyping analysis of an F2 subsample verified the importance of chc 80-1 alleles at HMG2 and SGT2 for SGA synthesis and accumulation and suggested additional candidate genes including some previously associated with SGA production. Loci on five and seven potato pseudochromosomes were associated with synthesis and accumulation of SGAs, respectively. Two loci, on pseudochromosomes 1 and 6, explained phenotypic segregation of α-solanine and α-chaconine synthesis. Knowledge of the genetic factors influencing SGA production in potato may assist breeding for pest resistance.
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