ArticleFunctional & integrative genomics2011
Comparative genetic analysis of a wheat seed dormancy QTL with rice and Brachypodium identifies candidate genes for ABA perception and calcium signaling.
Article in Functional & integrative genomics, 2011. 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, 26 citations in OpenAlex.
- Transcriptomic analysis of developing seeds in a wheat (Breeding science · 2021Article
- 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
- Uncovering the dispersion history, adaptive evolution and selection of wheat in China.Plant biotechnology journal · 2018Article
- Identification of QTL for Grain Size and Shape on the D Genome of Natural and Synthetic Allohexaploid Wheats with Near-Identical AABB Genomes.Frontiers in plant science · 2017Article
- QTL Analysis of Spike Morphological Traits and Plant Height in Winter Wheat (Frontiers in plant science · 2016Article
- Toward a better understanding of the genomic region harboring Fusarium head blight resistance QTL Qfhs.ndsu-3AS in durum wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2016Article
- Genetic evidence for differential selection of grain and embryo weight during wheat evolution under domestication.Journal of experimental botany · 2015Article
- Genome-wide association mapping of preharvest sprouting resistance in a diversity panel of European winter wheats.Journal of applied genetics · 2015Article
- Review
- Fine mapping of a preharvest sprouting QTL interval on chromosome 2B in white wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2014Article
- Development of COS-SNP and HRM markers for high-throughput and reliable haplotype-based detection of Lr14a in durum wheat (Triticum durum Desf.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2013Article
- A mutagenesis-derived broad-spectrum disease resistance locus in wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2012Article
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Wheat preharvest sprouting (PHS) occurs when seed germinates on the plant before harvest resulting in reduced grain quality. In wheat, PHS susceptibility is correlated with low levels of seed dormancy. A previous mapping of quantitative trait loci (QTL) revealed a major PHS/seed dormancy QTL, QPhs.cnl-2B.1, located on wheat chromosome 2B. A comparative genetic study with the related grass species rice (Oryza sativa L.) and Brachypodium distachyon at the homologous region to the QPhs.cnl-2B.1 interval was used to identify the candidate genes for marker development and subsequent fine mapping. Expressed sequence tags and a comparative mapping were used to design 278 primer pairs, of which 22 produced polymorphic amplicons that mapped to the group 2 chromosomes. Fourteen mapped to chromosome 2B, and ten were located in the QTL interval. A comparative analysis revealed good macrocollinearity between the PHS interval and 3 million base pair (mb) region on rice chromosomes 7 and 3, and a 2.7-mb region on Brachypodium Bd1. The comparative intervals in rice were found to contain three previously identified rice seed dormancy QTL. Further analyses of the interval in rice identified genes that are known to play a role in seed dormancy, including a homologue for the putative Arabidopsis ABA receptor ABAR/GUN5. Additional candidate genes involved in calcium signaling were identified and were placed in a functional protein association network that includes additional proteins critical for ABA signaling and germination. This study provides promising candidate genes for seed dormancy in both wheat and rice as well as excellent molecular markers for further comparative and fine mapping.
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