ArticleScientific reports2017
Maize (Zea mays L.) genome size indicated by 180-bp knob abundance is associated with flowering time.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed.
- Integrating genome size variation, ISSR-derived genetic structure, and phenotypical traits from the Southern Peruvian Andean maize (Frontiers in plant science · 2026Article
- DNA content, repeatome composition and origin of the Zea mays micronuclei.Scientific reports · 2025Article
- Biparental graph strategy to represent and analyze hybrid plant genomes.Plant physiology · 2024Article
- Genome Size Variation inGenes · 2024Article
- Genome size variation and evolution during invasive range expansion in an introduced plant.Evolutionary applications · 2024Article
- Genetic basis of genome size variation of wheat.Functional & integrative genomics · 2023Article
- A complete telomere-to-telomere assembly of the maize genome.Nature genetics · 2023Article
- Evaluation of genome size and phylogenetic relationships of the3 Biotech · 2022Article
- Intragenomic Conflict between Knob Heterochromatin and B Chromosomes Is the Key to Understand Genome Size Variation along Altitudinal Clines in Maize.Plants (Basel, Switzerland) · 2021Article
- Natural variation in plant telomere length is associated with flowering time.The Plant cell · 2021Article
- A Heterochromatic Knob Reducing the Flowering Time in Maize.Frontiers in genetics · 2021Article
- Archaeological Central American maize genomes suggest ancient gene flow from South America.Proceedings of the National Academy of Sciences of the United States of America · 2020Article
- European maize genomes highlight intraspecies variation in repeat and gene content.Nature genetics · 2020Article
- Repetitive sequences and structural chromosome alterations promote intraspecific variations in Zea mays L. karyotype.Scientific reports · 2020Article
- A less selfish view of genome size evolution in maize.PLoS genetics · 2018Article
- Parallel altitudinal clines reveal trends in adaptive evolution of genome size in Zea mays.PLoS genetics · 2018Article
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Authors and funding
6 authors.
Funding
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Abstract
Flowering time is considered one of the most important agronomic traits in maize (Zea mays L.), and previous studies have indicated that this trait is correlated with genome size. We observed a significant difference in genome size between tropical and temperate inbred lines and a moderate positive correlation between genome size and 180-bp knob abundance determined by high-throughput sequencing in maize inbred lines in this study. We assembled the reads that were mapped to 180-bp knob sequences and found that the top ten abundant 180-bp knob sequences are highly variable. Moreover, our results indicate that genome size is associated with the flowering time of both male and female flowers, in both tropical and temperate inbred lines and under both tropical and temperate environments. To identify loci associated with genome size, we performed a genome-wide association study. The analysis identified three genomic regions associated with genome size, of which two were novel while the third one is located close to the known knobs K8L1 and K8L2. Overall, our results indicate that selection for breeding materials with earlier flowering times can be assisted by choosing germplasms with smaller genome sizes and that genome size can be determined based on the abundance of 180-bp knobs.
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