ArticleBMC plant biology2016
Mapping QTLs and association of differentially expressed gene transcripts for multiple agronomic traits under different nitrogen levels in sorghum.
Article in BMC plant biology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.
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29 citing papers in PubMed, 78 citations in OpenAlex.
- RNA-Seq analysis reveals early defense activation and responses associated with resistance to Fusarium thapsinum stalk infection in sorghum.BMC genomics · 2026Article
- Genome-wide association study identifies consistent genomic loci for yield and nutritional quality in Ethiopian sorghum landraces.The plant genome · 2026Article
- Crop growth model-enabled genetic mapping of biomass accumulation dynamics in photoperiod-sensitive sorghum.The plant genome · 2025Article
- QTL analysis of sorghum grain traits based on high-density genetic map.Journal of applied genetics · 2025Article
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- Identification of pleiotropic loci mediating structural and non-structural carbohydrate accumulation within the sorghum bioenergy association panel using high-throughput markers.Frontiers in plant science · 2024Article
- Article
- Recent advancements in the breeding of sorghum crop: current status and future strategies for marker-assisted breeding.Frontiers in genetics · 2023Review
- Genome-wide screening of lectin putative genes from Sorghum bicolor L., distribution in QTLs and a probable implications of lectins in abiotic stress tolerance.BMC plant biology · 2022Article
- Comparison of single-trait and multi-trait genomic predictions on agronomic and disease resistance traits in spring wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- Identification of Spring Wheat with Superior Agronomic Performance under Contrasting Nitrogen Managements Using Linear Phenotypic Selection Indices.Plants (Basel, Switzerland) · 2022Article
- Genome-based prediction of agronomic traits in spring wheat under conventional and organic management systems.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- Article
- Physical mapping of QTL associated with agronomic and end-use quality traits in spring wheat under conventional and organic management systems.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Article
- Improving abiotic stress tolerance in sorghum: focus on the nutrient transporters and marker-assisted breeding.Planta · 2021Review
- Physiology and whole-plant carbon partitioning during stem sugar accumulation in sweet dwarf sorghum.Planta · 2021Article
- Rapid Generation and Analysis of a Barley Doubled Haploid Line with Higher Nitrogen Use Efficiency Than Parental Lines by F1 Microspore Embryogenesis.Plants (Basel, Switzerland) · 2021Article
- Genetic dissection of QTLs associated with spikelet-related traits and grain size in sorghum.Scientific reports · 2021Article
- Physical Mapping of QTL in Four Spring Wheat Populations under Conventional and Organic Management Systems. I. Earliness.Plants (Basel, Switzerland) · 2021Article
- Nitrogen Use Efficiency in Sorghum: Exploring Native Variability for Traits Under Variable N-Regimes.Frontiers in plant science · 2021Article
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundSorghum is an important C4 crop which relies on applied Nitrogen fertilizers (N) for optimal yields, of which substantial amounts are lost into the atmosphere. Understanding the genetic variation of sorghum in response to limited nitrogen supply is important for elucidating the underlying genetic mechanisms of nitrogen utilization.
resultsA bi-parental mapping population consisting of 131 recombinant inbred lines (RILs) was used to map quantitative trait loci (QTLs) influencing different agronomic traits evaluated under normal N (100 kg.ha(-1) fertilizer) and low N (0 kg.ha(-1) fertilizer) conditions. A linkage map spanning 1614 cM was developed using 642 polymorphic single nucleotide polymorphisms (SNPs) detected in the population using Genotyping-By-Sequencing (GBS) technology. Composite interval mapping detected a total of 38 QTLs for 11 agronomic traits tested under different nitrogen levels. The phenotypic variation explained by individual QTL ranged from 6.2 to 50.8%. Illumina RNA sequencing data generated on seedling root tissues revealed 726 differentially expressed gene (DEG) transcripts between parents, of which 108 were mapped close to the QTL regions.
conclusionsCo-localized regions affecting multiple traits were detected on chromosomes 1, 5, 6, 7 and 9. These potentially pleiotropic regions were coincident with the genomic regions of cloned QTLs, including genes associated with flowering time, Ma3 on chromosome 1 and Ma1 on chromosome 6, gene associated with plant height, Dw2 on chromosome 6. In these regions, RNA sequencing data showed differential expression of transcripts related to nitrogen metabolism (Ferredoxin-nitrate reductase), glycolysis (Phosphofructo-2-kinase), seed storage proteins, plant hormone metabolism and membrane transport. The differentially expressed transcripts underlying the pleiotropic QTL regions could be potential targets for improving sorghum performance under limited N fertilizer through marker assisted selection.
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