ArticleNature communications2021
Genome assembly and population genomic analysis provide insights into the evolution of modern sweet corn.
Article in Nature communications, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 54 papers.
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54 citing papers in PubMed, 109 citations in OpenAlex.
- Genetic dissection of southern corn leaf blight resistance in sweet corn through genome-wide association studies and genomic selection.The plant genome · 2026Article
- Elucidation of sugar metabolic profiles and transcriptional regulatory networks during the developmental stages of sweet corn kernels.iScience · 2026Article
- Rapid and Efficient Creation of Sweet-Waxy Maize Germplasm via CRISPR/Cas9-Mediated Gene Editing ofCurrent issues in molecular biology · 2026Article
- Adoption of Standard Reference SNP Identifiers in Agricultural Genomics for Interoperability and Data Reuse.Scientific data · 2026Article
- Article
- Near-complete genome assembly of a transformation-efficient elite inbred line LH244 and its comparison with B73.Journal of integrative plant biology · 2026Article
- Integrating GWAS and gene expression to decipher genetic components of pericarp thickness and soluble sugars in sweet corn.BMC plant biology · 2026Article
- Transactivation of AGPL2 by Opaque2 is responsible for starch accumulation and kernel hardness in sweet corn.Journal of experimental botany · 2026Article
- Opaque-2 induced zein reduction and lysine increase suggest a route to quality protein sweet corn.Frontiers in plant science · 2026Article
- Breeding colored sweet corn for improved micronutrient content.Frontiers in plant science · 2026Article
- Large DNA and protein language models enhance discovery of deleterious mutations in maize.Genome biology · 2025Article
- Decades' progress and prospects on maize functional genomics and molecular breeding.Science China. Life sciences · 2025Review
- A simple method to efficiently generate structural variation in plants.PLoS genetics · 2025Article
- Knockout of SSIIa in waxy barley blocks starch biosynthesis and increases soluble sugar and Fructan accumulation.Functional & integrative genomics · 2025Article
- Genetic basis of flavor complexity in sweet corn.Nature genetics · 2025Article
- Analysis of the Dirigent Pan-Gene Family in 26 Diverse Inbred Lines Reveals Genomic Diversity in Maize.Genes · 2025Article
- Hybrids reveal accessible chromatinbioRxiv : the preprint server for biology · 2025Article
- Noncatalytic functions of ISOAMYLASE 1 and 2 affect the proportion of insoluble and soluble α-polyglucans in maize.The Plant cell · 2025Article
- Genome assembly and population genomic analysis reveal the genetic basis of popcorn evolution.Plant biotechnology journal · 2025Article
- Insights into the genomic divergence of maize heterotic groups in China.Journal of integrative plant biology · 2025Article
Corrections and comments
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Authors and funding
21 authors at 8 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Sweet corn is one of the most important vegetables in the United States and Canada. Here, we present a de novo assembly of a sweet corn inbred line Ia453 with the mutated shrunken2-reference allele (Ia453-sh2). This mutation accumulates more sugar and is present in most commercial hybrids developed for the processing and fresh markets. The ten pseudochromosomes cover 92% of the total assembly and 99% of the estimated genome size, with a scaffold N50 of 222.2 Mb. This reference genome completely assembles the large structural variation that created the mutant sh2-R allele. Furthermore, comparative genomics analysis with six field corn genomes highlights differences in single-nucleotide polymorphisms, structural variations, and transposon composition. Phylogenetic analysis of 5,381 diverse maize and teosinte accessions reveals genetic relationships between sweet corn and other types of maize. Our results show evidence for a common origin in northern Mexico for modern sweet corn in the U.S. Finally, population genomic analysis identifies regions of the genome under selection and candidate genes associated with sweet corn traits, such as early flowering, endosperm composition, plant and tassel architecture, and kernel row number. Our study provides a high-quality reference-genome sequence to facilitate comparative genomics, functional studies, and genomic-assisted breeding for sweet corn.
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