ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2026
GhUGT84A1 underlying a novel locus qOC-A03-1 regulates cottonseed oil content revealed by integrated deep resequencing and QTL mapping.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Integration of NIRS and GWAS identifies GhMYB86 as a potential regulator of cottonseed protein content with pleiotropic effects on fiber strength in upland cotton.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
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14 authors.
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Abstract
key messageHigh-density linkage analysis using deep resequencing mapped a stable cottonseed oil content QTL qOC-A03-1, leading to the identification of UDP-glycosyltransferase gene GhUGT84A1 as a key regulator of cottonseed oil accumulation via fine mapping. As the main by-products of cottonseed, cottonseed oil and protein have great potential in economic value and edible applications. In this study, a high-density genetic linkage map was constructed with 3478 bin markers via deep resequencing method (14.11 ×) using a recombinant inbred line population. Among the 16 detected quantitative trait loci (QTLs) associated with cottonseed oil content (OC) and protein content (PC) in four environments, we focused on a stable novel QTL qOC-A03-1 responding for both OC and PC traits simultaneously and narrowed down its interval to 190 kb containing 19 genes, subsequently. Based on RNA-seq data of ovules at different developmental stages and other tissues, a UDP-glycosyltransferase gene, GhUGT84A1, showing significant differential expression during the rapid oil accumulation stage and exhibiting three non-synonymous SNPs and a 2-bp deletion causing premature translation termination in ND601 was identified. Heterologous expression in yeast confirmed that overexpression of GhUGT84A1
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