ArticleBMC plant biology2017
Diversity, distribution of Puroindoline genes and their effect on kernel hardness in a diverse panel of Chinese wheat germplasm.
Article in BMC plant biology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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12 citing papers in PubMed.
- Mining QTLs and candidate genes in bread wheat associated with kernel hardness through GWAS.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- An Overview of Factors Affecting the Functional Quality of Common Wheat (International journal of molecular sciences · 2023Review
- Cost-effective duplex Kompetitive Allele Specific PCR markers for homologous genes facilitating wheat breeding.BMC plant biology · 2023Article
- Reverse genetic approaches for breeding nutrient-rich and climate-resilient cereal and food legume crops.Heredity · 2022Article
- Molecular and physical characterization of grain hardness in European spring common wheat (3 Biotech · 2021Article
- Exploring the End-Use Quality Potential of a Collection of Spanish Bread Wheat Landraces.Plants (Basel, Switzerland) · 2021Article
- Accurate, Efficient and User-Friendly Mutation Calling and Sample Identification for TILLING Experiments.Frontiers in genetics · 2021Article
- Toward the Genetic Basis and Multiple QTLs of Kernel Hardness in Wheat.Plants (Basel, Switzerland) · 2020Article
- Dissection of novel candidate genes for grain texture in Russian wheat varieties.Plant molecular biology · 2020Article
- Genomics-Enabled Analysis ofInternational journal of molecular sciences · 2020Article
- Quantitative Trait Locus (QTLs) Mapping for Quality Traits of Wheat Based on High Density Genetic Map Combined With Bulked Segregant Analysis RNA-seq (BSR-Seq) Indicates That theFrontiers in plant science · 2020Article
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8 authors.
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Abstract
backgroundKernel hardness, which has great influence on the end-use properties of common wheat, is mainly controlled by Puroindoline genes, Pina and Pinb. Using EcoTILLING platform, we herein investigated the allelic variations of Pina and Pinb genes and their association with the Single Kernel Characterization System (SKCS) hardness index in a diverse panel of wheat germplasm.
resultsThe kernel hardness varied from 1.4 to 102.7, displaying a wide range of hardness index. In total, six Pina and nine Pinb alleles resulting in 15 genotypes were detected in 1787 accessions. The most common alleles are the wild type Pina-D1a (90.4%) and Pina-D1b (7.4%) for Pina, and Pinb-D1b (43.6%), Pinb-D1a (41.1%) and Pinb-D1p (12.8%) for Pinb. All the genotypes have hard type kernel hardness of SKCS index (>60.0), except the wild types of Pina and Pinb combination (Pina-D1a/Pinb-D1a). The most frequent genotypes in Chinese and foreign cultivars was Pina-D1a/Pinb-D1b (46.3 and 39.0%, respectively) and in Chinese landraces was Pina-D1a/Pinb-D1a (54.2%). The frequencies of hard type accessions are increasing from 35.5% in the region IV, to 40.6 and 61.4% in the regions III and II, and then to 77.0% in the region I, while those of soft type are accordingly decreasing along with the increase of latitude. Varieties released after 2000 in Beijing, Hebei, Shandong and Henan have higher average kernel hardness index than that released before 2000.
conclusionThe kernel hardness in a diverse panel of Chinese wheat germplasm revealed an increasing of kernel hardness generally along with the latitude across China. The wild type Pina-D1a and Pinb-D1a, and one Pinb mutant (Pinb-D1b) are the most common alleles of six Pina and nine Pinb alleles, and a new double null genotype (Pina-D1x/Pinb-D1ah) possessed relatively high SKCS hardness index. More hard type varieties were released in recent years with different prevalence of Pin-D1 combinations in different regions. This work would benefit the understanding of the selection and molecular processes of kernel hardness across China and different breeding stages, and provide useful information for the improvement of wheat quality in China.
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