ArticleBMC genomics2014
Functional mechanisms of drought tolerance in subtropical maize (Zea mays L.) identified using genome-wide association mapping.
Article in BMC genomics, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 35 papers, 1 of them a synthesis that pooled it.
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35 citing papers in PubMed, 1 synthesis or guideline pooled it, 84 citations in OpenAlex.
- Meta-Quantitative Trait Loci Analysis and Candidate Gene Mining for Drought Tolerance-Associated Traits in Maize (International journal of molecular sciences · 2024Pooled it
- Multienvironment multilocus association mapping reveals genomic regions for drought-related traits in tropical maize.G3 (Bethesda, Md.) · 2026Article
- Pleiotropic SNPs and genes linked to enhanced seed longevity and vigor for climate resilient pearl millet production.Frontiers in plant science · 2026Article
- Genetic Dissection of Drought Tolerance in Maize Through GWAS of Agronomic Traits, Stress Tolerance Indices, and Phenotypic Plasticity.International journal of molecular sciences · 2025Article
- Role of functional genes for seed vigor related traits through genome-wide association mapping in finger millet (Eleusine coracana L. Gaertn.).Scientific reports · 2025Article
- Novel SNPs Linked to Blast Resistance Genes Identified in Pearl Millet Through Genome-Wide Association Models.International journal of molecular sciences · 2024Article
- Molecular mechanisms of drought resistance using genome-wide association mapping in maize (Zea mays L.).BMC plant biology · 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
- Mapping of QTLs for morphophysiological and yield traits under water-deficit stress and well-watered conditions in maize.Frontiers in plant science · 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
- Linkage Mapping Reveals QTL for Flowering Time-Related Traits under Multiple Abiotic Stress Conditions in Maize.International journal of molecular sciences · 2022Article
- Article
- Development of a new AgriSeq 4K mid-density SNP genotyping panel and its utility in pearl millet breeding.Frontiers in plant science · 2022Article
- Recent Advances for Drought Stress Tolerance in Maize (Frontiers in plant science · 2022Review
- SNP-Based Genome-Wide Association Mapping of Pollen Viability Under Heat Stress in TropicalFrontiers in genetics · 2022Article
- Genome-Wide Association Analyses to Identify SNPs Related to Drought Tolerance.Methods in molecular biology (Clifton, N.J.) · 2022Article
- Genetics of Germination and Seedling Traits under Drought Stress in a MAGIC Population of Maize.Plants (Basel, Switzerland) · 2021Article
- Genomic regions associated with heat stress tolerance in tropical maize (Zea mays L.).Scientific reports · 2021Article
- Tolerance mechanisms in maize identified through phenotyping and transcriptome analysis in response to water deficit stress.Physiology and molecular biology of plants : an international journal of functional plant biology · 2021Article
- Genome wide association mapping for heat tolerance in sub-tropical maize.BMC genomics · 2021Article
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Authors and funding
15 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundEarlier studies were focused on the genetics of temperate and tropical maize under drought. We identified genetic loci and their association with functional mechanisms in 240 accessions of subtropical maize using a high-density marker set under water stress.
resultsOut of 61 significant SNPs (11 were false-discovery-rate-corrected associations), identified across agronomic traits, models, and locations by subjecting the accessions to water stress at flowering stage, 48% were associated with drought-tolerant genes. Maize gene models revealed that SNPs mapped for agronomic traits were in fact associated with number of functional traits as follows: stomatal closure, 28; flowering, 15; root development, 5; detoxification, 4; and reduced water potential, 2. Interactions of these SNPS through the functional traits could lead to drought tolerance. The SNPs associated with ABA-dependent signalling pathways played a major role in the plant's response to stress by regulating a series of functions including flowering, root development, auxin metabolism, guard cell functions, and scavenging reactive oxygen species (ROS). ABA signalling genes regulate flowering through epigenetic changes in stress-responsive genes. ROS generated by ABA signalling are reduced by the interplay between ethylene, ABA, and detoxification signalling transductions. Integration of ABA-signalling genes with auxin-inducible genes regulates root development which in turn, maintains the water balance by regulating electrochemical gradient in plant.
conclusionsSeveral genes are directly or indirectly involved in the functioning of agronomic traits related to water stress. Genes involved in these crucial biological functions interacted significantly in order to maintain the primary as well as exclusive functions related to coping with water stress. SNPs associated with drought-tolerant genes involved in strategic biological functions will be useful to understand the mechanisms of drought tolerance in subtropical maize.
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