ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2024
Identification of a novel marker and its associated laccase gene for regulating ear length in tropical and subtropical maize lines.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed, 7 citations in OpenAlex.
- Candidate genes for kernel ratio in maize identified via combined GWAS and QTL mapping across multiple environments.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- A multi-parent population approach to reveal the genetic basis of plant height in maize.BMC plant biology · 2025Article
- Identification of yield-related QTLs and their applications using DH population in maize.BMC genomics · 2025Article
- Unraveling the genetic basis of maize ear diameter in a multi-parent RIL population derived from tropical and temperate germplasms.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Comparative transcriptome analysis reveals potential regulatory genes involved in the development and strength formation of maize stalks.BMC plant biology · 2025Article
- Identification of candidate gene associated with maize northern leaf blight resistance in a multi-parent population.Plant cell reports · 2024Article
- Breeding for improved digestibility and processing of lignocellulosic biomass inFrontiers in plant science · 2024Review
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Authors and funding
9 authors at 2 institutions in 1 country.
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Abstract
key messageThis study revealed the identification of a novel gene, Zm00001d042906, that regulates maize ear length by modulating lignin synthesis and reported a molecular marker for selecting maize lines with elongated ears. Maize ear length has garnered considerable attention due to its high correlation with yield. In this study, six maize inbred lines of significant importance in maize breeding were used as parents. The temperate maize inbred line Ye107, characterized by a short ear, was crossed with five tropical or subtropical inbred lines featuring longer ears, creating a multi-parent population displaying significant variations in ear length. Through genome-wide association studies and mutation analysis, the A/G variation at SNP_183573532 on chromosome 3 was identified as an effective site for discriminating long-ear maize. Furthermore, the associated gene Zm00001d042906 was found to correlate with maize ear length. Zm00001d042906 was functionally annotated as a laccase (Lac4), which showed activity and influenced lignin synthesis in the midsection cells of the cob, thereby regulating maize ear length. This study further reports a novel molecular marker and a new gene that can assist maize breeding programs in selecting varieties with elongated ears.
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