ArticleScientific reports2019
Linkage mapping of quantitative trait loci for fiber yield and its related traits in the population derived from cultivated ramie and wild B. nivea var. tenacissima.
Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed.
- Improving Ramie Fiber: Current Progress and Future Directions in Molecular Breeding.Plants (Basel, Switzerland) · 2026Review
- High-density genetic map construction and QTL analysis of the first flower node in kenaf using RAD-seq.BMC plant biology · 2024Article
- Resequencing of 301 ramie accessions identifies genetic loci and breeding selection for fibre yield traits.Plant biotechnology journal · 2022Article
- Genetic insights into the crude protein and fiber content of ramie leaves.Frontiers in plant science · 2022Article
- Ubiquitylome analysis reveals the involvement of ubiquitination in the bast fiber growth of ramie.Planta · 2021Article
- Construction of a High-Density Genetic Map and Identification of Leaf Trait-Related QTLs in Chinese Bayberry (Frontiers in plant science · 2021Article
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7 authors.
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Abstract
Ramie is an important natural fiber crop, and the fiber yield and its related traits are the most valuable traits in ramie production. However, the genetic basis for these traits is still poorly understood, which has dramatically hindered the breeding of high yield in this fiber crop. Herein, a high-density genetic map with 6,433 markers spanning 2476.5 cM was constructed using a population derived from two parents, cultivated ramie Zhongsizhu 1 (ZSZ1) and its wild progenitor B. nivea var. tenacissima (BNT). The fiber yield (FY) and its four related traits-stem diameter (SD) and length (SL), stem bark weight (BW) and thickness (BT)-were performed for quantitative trait locus (QTL) analysis, resulting in a total of 47 QTLs identified. Forty QTLs were mapped into 12 genomic regions, thus forming 12 QTL clusters. Among 47 QTLs, there were 14 QTLs whose wild allele from BNT was beneficial. Interestingly, all QTLs in Cluster 10 displayed overdominance, indicating that the region of this cluster was likely heterotic loci. In addition, four fiber yield-related genes underwent positive selection were found either to fall into the FY-related QTL regions or to be near to the identified QTLs. The dissection of FY and FY-related traits not only improved our understanding to the genetic basis of these traits, but also provided new insights into the domestication of FY in ramie. The identification of many QTLs and the discovery of beneficial alleles from wild species provided a basis for the improvement of yield traits in ramie breeding.
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