ArticleFunctional & integrative genomics2011
The wheat (T. aestivum) sucrose synthase 2 gene (TaSus2) active in endosperm development is associated with yield traits.
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 102 papers, 1 of them a synthesis that pooled it.
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Who cites it
102 citing papers in PubMed, 1 synthesis or guideline pooled it, 226 citations in OpenAlex.
- Pooled it
- A wheat-specific proline-rich protein regulates grain weight through a ubiquitin-mediated delay of endosperm cellularization.The Plant journal : for cell and molecular biology · 2026Article
- HvPHO1 Controls a Glucose 1-Phosphate-SnRK1 Signalling Module That Coordinates Starch Accumulation in Barley Endosperm.Plant biotechnology journal · 2026Article
- Identification and Validation of Stable Loci Underlying Productivity-Related Traits in Common Wheat.International journal of molecular sciences · 2026Article
- Current status and future perspective of genomics-assisted breeding in wheat (Breeding science · 2026Article
- Natural variation in CHELATASE SUBUNIT I-A increases grain weight and enhances wheat yield.The Plant cell · 2025Article
- Genetic analysis identifies key loci for traits and resistance in Qinghai plateau wheat FScientific reports · 2025Article
- Large-scale identification and association analysis of wheat grain weight genes using rice orthologs.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Grain under pressure: Harnessing biochemical pathways to beat drought and heat in wheat.The Plant journal : for cell and molecular biology · 2025Review
- TaFT-D1 positively regulates grain weight by acting as a coactivator of TaFDL2 in wheat.Plant biotechnology journal · 2025Article
- TaWUS-like-5D affects grain weight and filling by inhibiting the expression of sucrose and trehalose metabolism-related genes in wheat grain endosperm.Plant biotechnology journal · 2025Article
- Markers Associated with Starch, Protein and Asparagine Content in Grain of Common Wheat.Genes · 2025Article
- Joint linkage and association analysis identifies genomic regions and candidate genes for yield-related traits in wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- TaDL interacts with TaB3 and TaNF-YB1 to synergistically regulate the starch synthesis and grain quality in bread wheat.Journal of integrative plant biology · 2025Article
- Sucrose synthase dynamics and its potential role in heat stress tolerance in cereals.Frontiers in plant science · 2025Review
- Genomic-wide analysis reveals seven in absentia genes regulating grain development in wheat (Triticum aestivum L.).The plant genome · 2024Article
- Deciphering the Transcriptional Regulatory Network Governing Starch and Storage Protein Biosynthesis in Wheat for Breeding Improvement.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Article
- Genetic insights into superior grain number traits: a QTL analysis of wheat-Agropyron cristatum derivative pubing3228.BMC plant biology · 2024Article
- Fine mapping of a major QTL, qKl-1BL controlling kernel length in common wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Genome-wide identification and analysis of the GGCT gene family in wheat.BMC genomics · 2024Article
42 more citing papers are in PubMed but not listed here.
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Authors and funding
7 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Sucrose synthase catalyzes the reaction sucrose + UDP → UDP-glucose + fructose, the first step in the conversion of sucrose to starch in endosperm. Previous studies identified two tissue-specific, yet functionally redundant, sucrose synthase (SUS) genes, Sus1 and Sus2. In the present study, the wheat Sus2 orthologous gene (TaSus2) series was isolated and mapped on chromosomes 2A, 2B, and 2D. Based on sequencing in 61 wheat accessions, three single-nucleotide polymorphisms (SNPs) were detected in TaSus2-2B. These formed two haplotypes (Hap-H and Hap-L), but no diversity was found in either TaSus2-2A or TaSus2-2D. Based on the sequences of the two haplotypes, we developed a co-dominant marker, TaSus2-2B ( tgw ), which amplified 423 or 381-bp fragments in different wheat accessions. TaSus2-2B ( tgw ) was located between markers Xbarc102.2 and Xbarc91 on chromosome 2BS in a RIL population from Xiaoyan 54 × Jing 411. Association analysis suggested that the two haplotypes were significantly associated with 1,000 grain weight (TGW) in 89 modern wheat varieties in the Chinese mini-core collection. Mean TGW difference between the two haplotypes over three cropping seasons was 4.26 g (varying from 3.71 to 4.94 g). Comparative genomics analysis detected major kernel weight QTLs not only in the chromosome region containing TaSus2-2B (tgw), but also in the collinear regions of TaSus2 on rice chromosome 7 and maize chromosome 9. The preferred Hap-H haplotype for high TGW underwent very strong positive selection in Chinese wheat breeding, but not in Europe. The geographic distribution of Hap-H was perhaps determined by both latitude and the intensity of selection in wheat breeding.
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