ArticleThe plant genome2021
Genomic variation within the maize stiff-stalk heterotic germplasm pool.
Article in The plant genome, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed.
- Dissecting genetic variance structure and evaluating genomic prediction models for single-cross hybrids derived from Stiff Stalk and Non-Stiff Stalk maize heterotic groups.G3 (Bethesda, Md.) · 2026Article
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- Near-complete genome assembly of a transformation-efficient elite inbred line LH244 and its comparison with B73.Journal of integrative plant biology · 2026Article
- Genomic approaches to build de novo elite breeding gene pools from locally adapted landraces.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Dissecting the genetic basis of agronomic traits by multi-trait GWAS and genetic networks in maize (aBIOTECH · 2025Article
- Evolution of population structure in a commercial European hybrid dent maize breeding program and consequences on genetic diversity.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Article
- Integration of ATAC-Seq and RNA-Seq Reveals the Role ofInternational journal of molecular sciences · 2025Article
- Global Genotype by Environment Prediction Competition Reveals That Diverse Modeling Strategies Can Deliver Satisfactory Maize Yield Estimates.bioRxiv : the preprint server for biology · 2024Article
- Multiscale physiological responses to nitrogen supplementation of maize hybrids.Plant physiology · 2024Article
- Benchmarking Oxford Nanopore read alignment-based insertion and deletion detection in crop plant genomes.The plant genome · 2023Article
- Conservation and diversity of the pollen microbiome of Pan-American maize using PacBio and MiSeq.Frontiers in microbiology · 2023Article
- A DEK domain-containing protein GhDEK2D mediatedPlant signaling & behavior · 2022Article
- Core circadian clock and light signaling genes brought into genetic linkage across the green lineage.Plant physiology · 2022Article
- Genetic mapping and prediction of flowering time and plant height in a maize Stiff Stalk MAGIC population.Genetics · 2022Article
- Genome-Wide Characterization of DGATs and Their Expression Diversity Analysis in Response to Abiotic Stresses inPlants (Basel, Switzerland) · 2022Article
- Genomic variation within the maize stiff-stalk heterotic germplasm pool.The plant genome · 2021Article
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Authors and funding
22 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The stiff-stalk heterotic group in Maize (Zea mays L.) is an important source of inbreds used in U.S. commercial hybrid production. Founder inbreds B14, B37, B73, and, to a lesser extent, B84, are found in the pedigrees of a majority of commercial seed parent inbred lines. We created high-quality genome assemblies of B84 and four expired Plant Variety Protection (ex-PVP) lines LH145 representing B14, NKH8431 of mixed descent, PHB47 representing B37, and PHJ40, which is a Pioneer Hi-Bred International (PHI) early stiff-stalk type. Sequence was generated using long-read sequencing achieving highly contiguous assemblies of 2.13-2.18 Gbp with N50 scaffold lengths >200 Mbp. Inbred-specific gene annotations were generated using a core five-tissue gene expression atlas, whereas transposable element (TE) annotation was conducted using de novo and homology-directed methodologies. Compared with the reference inbred B73, synteny analyses revealed extensive collinearity across the five stiff-stalk genomes, although unique components of the maize pangenome were detected. Comparison of this set of stiff-stalk inbreds with the original Iowa Stiff Stalk Synthetic breeding population revealed that these inbreds represent only a proportion of variation in the original stiff-stalk pool and there are highly conserved haplotypes in released public and ex-Plant Variety Protection inbreds. Despite the reduction in variation from the original stiff-stalk population, substantial genetic and genomic variation was identified supporting the potential for continued breeding success in this pool. The assemblies described here represent stiff-stalk inbreds that have historical and commercial relevance and provide further insight into the emerging maize pangenome.
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