{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["16"],"submitter":["Gebeyehu A"],"pubmed_abstract":["Noug (<i>Guizotia abyssinica</i>) is a vital Ethiopian oilseed crop lacking comprehensive genomic resources. This study constructed the first high-density SNP-based linkage map for this diploid species (2n=30, genome size ~1.7 Gb). Using an F<sub>2</sub> mapping population of 286 individuals, we generated 13,888 high-quality SNPs from genotyping-by-sequencing (GBS), which were mapped onto 15 linkage groups (LGs) with a mean marker density of 2.1 cM, covering 90.6% of the genome. Phenotypic evaluation revealed significant variation for nine agronomic traits, including plant height (110-292 cm), days to flowering (49-115 days), and oil content (13.88-55.62%). Quantitative trait loci (QTL) mapping identified 27 QTL for six traits. Major findings include a flowering time QTL (qDTF-9-1) on LG9 "],"journal":["Frontiers in plant science"],"pagination":["1662582"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12454408"],"repository":["biostudies-literature"],"pubmed_title":["SNP-based linkage mapping reveals novel quantitative trait loci for yield traits in noug (&lt;i&gt;Guizotia abyssinica&lt;/i&gt; (L. f.) Cass.)."],"pmcid":["PMC12454408"],"pubmed_authors":["Hammenhag C","Geleta M","Gebeyehu A","Ortiz R","Vetukuri RR"],"additional_accession":[]},"is_claimable":false,"name":"SNP-based linkage mapping reveals novel quantitative trait loci for yield traits in noug (&lt;i&gt;Guizotia abyssinica&lt;/i&gt; (L. f.) Cass.).","description":"Noug (<i>Guizotia abyssinica</i>) is a vital Ethiopian oilseed crop lacking comprehensive genomic resources. This study constructed the first high-density SNP-based linkage map for this diploid species (2n=30, genome size ~1.7 Gb). Using an F<sub>2</sub> mapping population of 286 individuals, we generated 13,888 high-quality SNPs from genotyping-by-sequencing (GBS), which were mapped onto 15 linkage groups (LGs) with a mean marker density of 2.1 cM, covering 90.6% of the genome. Phenotypic evaluation revealed significant variation for nine agronomic traits, including plant height (110-292 cm), days to flowering (49-115 days), and oil content (13.88-55.62%). Quantitative trait loci (QTL) mapping identified 27 QTL for six traits. Major findings include a flowering time QTL (qDTF-9-1) on LG9 ","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025","modification":"2026-05-01T03:23:25.476Z","creation":"2026-05-01T03:11:08.089Z"},"accession":"S-EPMC12454408","cross_references":{"pubmed":["40995011"],"doi":["10.3389/fpls.2025.1662582"]}}