ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2017
Evaluation of ZmCCT haplotypes for genetic improvement of maize hybrids.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 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.
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- Insights into the genomic divergence of maize heterotic groups in China.Journal of integrative plant biology · 2025Article
- Introgression ofMolecular breeding : new strategies in plant improvement · 2025Article
- The ZmCPK39-ZmDi19-ZmPR10 immune module regulates quantitative resistance to multiple foliar diseases in maize.Nature genetics · 2024Article
- Effects of the quantitative trait locus qPss3 on inhibition of photoperiod sensitivity and resistance to stalk rot disease in maize.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Regional association and transcriptome analysis revealed candidate genes controlling plant height inMolecular breeding : new strategies in plant improvement · 2022Article
- Introgression of theMolecular breeding : new strategies in plant improvement · 2022Article
- High-resolution mapping reveals aFrontiers in plant science · 2022Article
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- Characterization and Fine Mapping ofFrontiers in plant science · 2022Article
- Analyses of open-access multi-omics data sets reveal genetic and expression characteristics of maizeAoB PLANTS · 2021Article
- Genetic dissection of maize disease resistance and its applications in molecular breeding.Molecular breeding : new strategies in plant improvement · 2021Review
- Fine mapping of qKRN8, a QTL for maize kernel row number, and prediction of the candidate gene.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2020Article
- Marker-assisted selection ofBreeding science · 2020Article
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Authors and funding
9 authors.
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Abstract
key messageThe elite ZmCCT haplotypes which have no transposable element in the promoter could enhance maize resistance to Gibberella stalk rot and improve yield-related traits, while having no or mild impact on flowering time. Therefore, they are expected to have great value in future maize breeding programs. A CCT domain-containing gene, ZmCCT, is involved in both photoperiod response and stalk rot resistance in maize. At least 15 haplotypes are present at the ZmCCT locus in maize germplasm, whereas only three of them are found in Chinese commercial maize hybrids. Here, we evaluated ZmCCT haplotypes for their potential application in corn breeding. Nine resistant ZmCCT haplotypes that have no CACTA-like transposable element in the promoter were introduced into seven elite maize inbred lines by marker-assisted backcrossing. The resultant 63 converted lines had 0.7-5.1 Mb of resistant ZmCCT donor segments with over 90% recovery rates. All converted lines tested exhibited enhanced resistance to maize stalk rot but varied in photoperiod sensitivity. There was a close correlation between the hybrids and their parental lines with respect to both resistance performance and photoperiod sensitivity. Furthermore, in a given hybrid A5302/83B28, resistant ZmCCT haplotype could largely improve yield-related traits, such as ear length and 100-kernel weight, resulting in enhanced grain yield. Of nine resistant ZmCCT haplotypes, haplotype H5 exhibited excellent performance for both flowering time and stalk rot resistance and is thus expected to have potential value in future maize breeding programs.
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