ArticleScientific reports2020
Denser Markers and Advanced Statistical Method Identified More Genetic Loci Associated with Husk Traits in Maize.
Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 19 citations in OpenAlex.
- Identification and analysis of genomic regions influencing leaf morpho-physiological traits related to stress responses in greater yam (Dioscorea alata L.).BMC plant biology · 2025Article
- Genetic dissection of maize grain moisture content and dehydration rate using high-density bin mapping in a recombinant inbred line population.BMC plant biology · 2025Article
- Genetic insights into agronomic and morphological traits of drug-type cannabis revealed by genome-wide association studies.Scientific reports · 2024Article
- Investigating the genetic basis of maize ear characteristics: a comprehensive genome-wide study utilizing high-throughput phenotypic measurement method and system.Frontiers in plant science · 2023Article
- Genomic selection to improve husk tightness based on genomic molecular markers in maize.Frontiers in plant science · 2023Article
- Molecular mapping of quantitative trait loci for 3 husk traits using genotyping by sequencing in maize (Zea mays L.).G3 (Bethesda, Md.) · 2022Article
- Genome-wide association study reveals the genetic basis of brace root angle and diameter in maize.Frontiers in genetics · 2022Article
- A Genome-Wide Association Study Dissects the Genetic Architecture of the Metaxylem Vessel Number in Maize Brace Roots.Frontiers in plant science · 2022Article
- Genome-wide association mapping of Pyrenophora teres f. maculata and Pyrenophora teres f. teres resistance loci utilizing natural Turkish wild and landrace barley populations.G3 (Bethesda, Md.) · 2021Article
- Genetic Dissection of Phosphorus Use Efficiency in a Maize Association Population under Two P Levels in the Field.International journal of molecular sciences · 2021Article
- Genetic analysis of three maize husk traits by QTL mapping in a maize-teosinte population.BMC genomics · 2021Article
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Authors and funding
7 authors at 4 institutions in 2 countries.
Funding
Abstract
The husk-the leaf-like outer covering of maize ear-has multiple functions, including protecting the ear from diseases infection and dehydration. In previous studies, we genotyped an association panel of 508 inbred lines genotyped with a total of ~550,000 SNPs (Illumina 50 K SNP Chip and RNA-seq). Genome-Wide Association Studies (GWAS) were conducted on four husk traits: husk length (HL), husk layer number (HN), husk thickness (HT), and husk width (HW). Minimal associations were identified and none of them passed the P-value threshold after a Bonferroni multiple-test correction using a single locus test in framework of mixed linear model. In this study, we doubled the number of SNPs (~1,250,000 in total) by adding GBS and 600 K SNP Chip. GWAS, performed with the recently developed multiple loci model (BLINK), revealed six genetic loci associated with HN and HT above the Bonferroni multiple-test threshold. Five candidate genes were identified based on the linkage disequilibrium with these loci, including GRMZM2G381691 and GRMZM2G012416. These two genes were up-regulation and down-regulation in all husk related tissues, respectively. GRMZM2G381691 associated with HT encoded a CCT domain protein, which expressed higher in tropical than temperate maize. GRMZM2G012416 associated with HN encoded an Armadillo (ARM) repeat protein, which regulated GA signal pathway. These associated SNPs and candidate genes paved a path to understand the genetic architecture of husk in maize.
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