ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2009
Identification of quantitative trait loci for agronomically important traits and their association with genic-microsatellite markers in sorghum.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 57 papers.
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57 citing papers in PubMed, 136 citations in OpenAlex.
- The NPGS Sudan sorghum germplasm collection reveals a novel cluster of R genes associated with rust resistant.The plant genome · 2025Article
- Association mapping and candidate gene identification for drought tolerance in sorghum.Frontiers in plant science · 2025Article
- Multi-locus genome-wide association study for grain yield and drought tolerance indices in sorghum accessions.The plant genome · 2024Article
- Decoding the genetic blueprint: regulation of key agricultural traits in sorghum.Advanced biotechnology · 2024Review
- Genetic dissection of root architecture in Ethiopian sorghum landraces.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Integrating stay-green and PIN-FORMED genes: PIN-FORMED genes as potential targets for designing climate-resilient cereal ideotypes.AoB PLANTS · 2023Review
- Development and characterization of a sorghum multi-parent advanced generation intercross (MAGIC) population for capturing diversity among seed parent gene pool.G3 (Bethesda, Md.) · 2023Article
- Genomic architecture of leaf senescence in sorghum (Sorghum bicolor).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Recent advancements in the breeding of sorghum crop: current status and future strategies for marker-assisted breeding.Frontiers in genetics · 2023Review
- Genetic modification of PIN genes induces causal mechanisms of stay-green drought adaptation phenotype.Journal of experimental botany · 2022Article
- Genome-wide association studies identify putative pleiotropic locus mediating drought tolerance in sorghum.Plant direct · 2022Article
- Dissecting the genetic control of natural variation in sorghum photosynthetic response to drought stress.Journal of experimental botany · 2022Article
- Genetic Architecture of Grain Yield-Related Traits in Sorghum and Maize.International journal of molecular sciences · 2022Review
- Article
- Sorghum in dryland: morphological, physiological, and molecular responses of sorghum under drought stress.Planta · 2021Review
- Genetic dissection of QTLs associated with spikelet-related traits and grain size in sorghum.Scientific reports · 2021Article
- Linkage mapping evidence for a syntenic QTL associated with flowering time in perennial CGlobal change biology. Bioenergy · 2021Article
- Large-scale GWAS in sorghum reveals common genetic control of grain size among cereals.Plant biotechnology journal · 2020Article
- Photosynthetic Metabolism under Stressful Growth Conditions as a Bases for Crop Breeding and Yield Improvement.Plants (Basel, Switzerland) · 2020Review
- Genomic signatures of seed mass adaptation to global precipitation gradients in sorghum.Heredity · 2020Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The identification of quantitative trait loci (QTLs) affecting agronomically important traits enable to understand their underlying genetic mechanisms and genetic basis of their complex interactions. The aim of the present study was to detect QTLs for 12 agronomic traits related to staygreen, plant early development, grain yield and its components, and some growth characters by analyzing replicated phenotypic datasets from three crop seasons, using the population of 168 F(7) RILs of the cross 296B x IS18551. In addition, we report mapping of a subset of genic-microsatellite markers. A linkage map was constructed with 152 marker loci comprising 149 microsatellites (100 genomic- and 49 genic-microsatellites) and three morphological markers. QTL analysis was performed by using MQM approach. Forty-nine QTLs were detected, across environments or in individual environments, with 1-9 QTLs for each trait. Individual QTL accounted for 5.2-50.4% of phenotypic variance. Several genomic regions affected multiple traits, suggesting the phenomenon of pleiotropy or tight linkage. Stable QTLs were identified for studied traits across different environments, and genetic backgrounds by comparing the QTLs in the study with previously reported QTLs in sorghum. Of the 49 mapped genic-markers, 18 were detected associating either closely or exactly as the QTL positions of agronomic traits. EST marker Dsenhsbm19, coding for a key regulator (EIL-1) of ethylene biosynthesis, was identified co-located with the QTLs for plant early development and staygreen trait, a probable candidate gene for these traits. Similarly, such exact co-locations between EST markers and QTLs were observed in four other instances. Collectively, the QTLs/markers identified in the study are likely candidates for improving the sorghum performance through MAS and map-based gene isolations.
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