ArticleBMC plant biology2020
Association mapping for yield traits in Paeonia rockii based on SSR markers within transcription factors of comparative transcriptome.
Article in BMC plant biology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed, 20 citations in OpenAlex.
- SNP-based association analysis of key genes involved in triglyceride biosynthesis reveals genetic regulation of oil content and fatty acid composition in tree peony seeds.BMC plant biology · 2026Article
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- Phenotypic Variation in Flower Color and Morphology in the Gerbera (International journal of molecular sciences · 2023Article
- DUS evaluation of nine intersubgeneric hybrids ofFrontiers in chemistry · 2023Article
- Development and Characterization of Microsatellite Markers Based on the Chloroplast Genome of Tree Peony.Genes · 2022Article
- Analysis of genotype × environment interactions for agronomic traits of soybean (Frontiers in genetics · 2022Article
- Dissection of Allelic Variation Underlying Floral and Fruit Traits in Flare Tree Peony (Frontiers in genetics · 2021Article
- Breeding Potentials of Bambara Groundnut for Food and Nutrition Security in the Face of Climate Change.Frontiers in plant science · 2021Review
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2 authors at 1 institution in 1 country.
Funding
Abstract
backgroundAllelic variation underlying the quantitative traits in plants is caused by the extremely complex regulation process. Tree peony originated in China is a peculiar ornamental, medicinal and oil woody plant. Paeonia rockii, one of tree peony species, is a precious emerging woody oil crop. However, in this valuable plant, the study of functional loci associated with yield traits has rarely been identified. Therefore, to explore the genetic architecture of 24 yield quantitative traits, the association mapping was first reported in 420 unrelated cultivated P. rockii individuals based on the next-generation sequencing (NGS) and single-molecule long-read sequencing (SMLRS).
resultsThe developed 58 pairs of polymorphic expressed sequence tag-simple sequence repeat (EST-SSR) markers from 959 candidate transcription factors (TFs) associated with yield were used for genotyping the 420 P. rockii accessions. We observed a high level of genetic diversity (polymorphic information content, PIC = 0.514) and low linkage disequilibrium (LD) between EST-SSRs. Moreover, four subpopulations in the association population were revealed by STRUCTURE analyses. Further, single-marker association analysis identified 141 significant associations, involving 17 quantitative traits and 41 EST-SSRs. These loci were mainly from AP2, TCP, MYB, HSF, bHLH, GATA, and B3 gene families and showed a small proportion of the phenotypic variance (3.79 to 37.45%).
conclusionsOur results summarize a valuable collection of functional loci associated with yield traits in P. rockii, and provide a precious resource that reveals allelic variation underlying quantitative traits in Paeonia and other woody oil crops.
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