ArticleJournal of experimental botany2011
Genetic association mapping identifies single nucleotide polymorphisms in genes that affect abscisic acid levels in maize floral tissues during drought.
Article in Journal of experimental botany, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 53 papers, 1 of them a synthesis that pooled it.
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53 citing papers in PubMed, 1 synthesis or guideline pooled it, 128 citations in OpenAlex.
- QTL mapping in three tropical maize populations reveals a set of constitutive and adaptive genomic regions for drought tolerance.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2013Pooled it
- Water Stress and Shade Elicit Similar Convergent Responses in Maize Kernel Development and Gene Expression During Early Post-Pollination.Plants (Basel, Switzerland) · 2026Article
- Molecular Crosstalk Between Flowering Time and Drought Adaptation in Cereal Crops.Plants (Basel, Switzerland) · 2026Review
- Siblicide between fertilized and unfertilized ovaries within the maize ear.Communications biology · 2025Article
- Identification of novel loci associated with starch content in maize kernels by a genome-wide association study using an enlarged SNP panel.Molecular breeding : new strategies in plant improvement · 2023Article
- QTL mapping for flowering time in a maize-teosinte population under well-watered and water-stressed conditions.Molecular breeding : new strategies in plant improvement · 2023Article
- Genome-wide association study presents insights into the genetic architecture of drought tolerance in maize seedlings under field water-deficit conditions.Frontiers in plant science · 2023Article
- Securing maize reproductive success under drought stress by harnessing COFrontiers in plant science · 2023Review
- Conventional and Omics Approaches for Understanding the Abiotic Stress Response in Cereal Crops-An Updated Overview.Plants (Basel, Switzerland) · 2022Review
- Improving drought tolerance in maize: Tools and techniques.Frontiers in genetics · 2022Review
- Recent Advances for Drought Stress Tolerance in Maize (Frontiers in plant science · 2022Review
- The utility of metabolomics as a tool to inform maize biology.Plant communications · 2021Review
- Genome wide association mapping for heat tolerance in sub-tropical maize.BMC genomics · 2021Article
- Introgression of Maize Diversity for Drought Tolerance: Subtropical Maize Landraces as Source of New Positive Variants.Frontiers in plant science · 2021Article
- Maize NCP1 negatively regulates drought and ABA responses through interacting with and inhibiting the activity of transcription factor ABP9.Plant molecular biology · 2020Article
- Developmental and transcriptional responses of maize to drought stress under field conditions.Plant direct · 2019Article
- Phosphoproteomic Analysis of Two Contrasting Maize Inbred Lines Provides Insights into the Mechanism of Salt-Stress Tolerance.International journal of molecular sciences · 2019Article
- Spatio-Temporal Transcriptional Dynamics of Maize Long Non-Coding RNAs Responsive to Drought Stress.Genes · 2019Article
- Identification of Quantitative Trait Loci and Candidate Genes for Maize Starch Granule Size through Association Mapping.Scientific reports · 2018Article
- Natural Variation inPlant physiology · 2018Article
Corrections and comments
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Authors and funding
9 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In maize, water stress at flowering causes loss of kernel set and productivity. While changes in the levels of sugars and abscisic acid (ABA) are thought to play a role in this stress response, the mechanistic basis and genes involved are not known. A candidate gene approach was used with association mapping to identify loci involved in accumulation of carbohydrates and ABA metabolites during stress. A panel of single nucleotide polymorphisms (SNPs) in genes from these metabolic pathways and in genes for reproductive development and stress response was used to genotype 350 tropical and subtropical maize inbred lines that were well watered or water stressed at flowering. Pre-pollination ears, silks, and leaves were analysed for sugars, starch, proline, ABA, ABA-glucose ester, and phaseic acid. ABA and sugar levels in silks and ears were negatively correlated with their growth. Association mapping with 1229 SNPs in 540 candidate genes identified an SNP in the maize homologue of the Arabidopsis MADS-box gene, PISTILLATA, which was significantly associated with phaseic acid in ears of well-watered plants, and an SNP in pyruvate dehydrogenase kinase, a key regulator of carbon flux into respiration, that was associated with silk sugar concentration. An SNP in an aldehyde oxidase gene was significantly associated with ABA levels in silks of water-stressed plants. Given the short range over which decay of linkage disequilibrium occurs in maize, the results indicate that allelic variation in these genes affects ABA and carbohydrate metabolism in floral tissues during drought.
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