ArticlePloS one2018
Multiple genomic regions influence root morphology and seedling growth in cultivated sunflower (Helianthus annuus L.) under well-watered and water-limited conditions.
Article in PloS one, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 60 citations in OpenAlex.
- Understanding genetic architecture overcomes tradeoffs between seed quality and insect resistance.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Integration of Genetic and Imaging Data to Detect QTL for Root Traits in Interspecific Soybean Populations.International journal of molecular sciences · 2025Article
- Dissecting the genetic architecture of sunflower disc diameter using genome-wide association study.Plant direct · 2024Article
- Genomic Insights into Disease Resistance in Sunflower (Plants (Basel, Switzerland) · 2024Article
- Article
- Analysis of QTL mapping for germination and seedling response to drought stress in sunflower (PeerJ · 2023Article
- Genomic regions associate with major axes of variation driven by gas exchange and leaf construction traits in cultivated sunflower (Helianthus annuus L.).The Plant journal : for cell and molecular biology · 2022Article
- Phenotypic and transcriptomic responses of cultivated sunflower seedlings (Helianthus annuus L.) to four abiotic stresses.PloS one · 2022Article
- Genetic control of arbuscular mycorrhizal colonization by Rhizophagus intraradices in Helianthus annuus (L.).Mycorrhiza · 2021Article
- Genotyping and lipid profiling of 601 cultivated sunflower lines reveals novel genetic determinants of oil fatty acid content.BMC genomics · 2021Article
- Plasticity and the role of mass-scaling in allocation, morphology, and anatomical trait responses to above- and belowground resource limitation in cultivated sunflower (Plant direct · 2020Article
- Key Traits and Genes Associate with Salinity Tolerance Independent from Vigor in Cultivated Sunflower.Plant physiology · 2020Article
- Candidate pathway association and genome-wide association approaches reveal alternative genetic architectures of carotenoid content in cultivated sunflower (Applications in plant sciencesArticle
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
With climate change and an ever-increasing human population threatening food security, developing a better understanding of the genetic basis of crop performance under stressful conditions has become increasingly important. Here, we used genome-wide association studies to genetically dissect variation in seedling growth traits in cultivated sunflower (Helianthus annuus L.) under well-watered and water-limited (i.e., osmotic stress) conditions, with a particular focus on root morphology. Water limitation reduced seedling size and produced a shift toward deeper rooting. These effects varied across genotypes, and we identified 13 genomic regions that were associated with traits of interest across the two environments. These regions varied in size from a single marker to 186.2 Mbp and harbored numerous genes, some of which are known to be involved in the plant growth/development as well as the response to osmotic stress. In many cases, these associations corresponded to growth traits where the common allele outperformed the rare variant, suggesting that selection for increased vigor during the evolution of cultivated sunflower might be responsible for the relatively high frequency of these alleles. We also found evidence of pleiotropy across multiple traits, as well as numerous environmentally independent genetic effects. Overall, our results indicate the existence of genetic variation in root morphology and allocation and further suggest that the majority of alleles associated with these traits have consistent effects across environments.
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