ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2007
Effects of starch synthase IIa gene dosage on grain, protein and starch in endosperm of wheat.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
31 citing papers in PubMed, 108 citations in OpenAlex.
- Regulatory factors of starch metabolism in cereal endosperm.Plant molecular biology · 2026Review
- Altered starch composition and improved bread quality in novel wheat mutant reveal key transcriptional regulators.Current research in food science · 2026Article
- Comparative Evaluation of the Digestive Enzyme Inhibition, Protein, and Starch Components of TenPlants (Basel, Switzerland) · 2025Article
- Article
- Phylogenomics provides comprehensive insights into the evolutionary relationships among cultivated buckwheat species.Genome biology · 2025Article
- Food as Medicine: Curbing Type-2 Diabetes Prevalence Through Consumption of High Amylose Starchy Foods in Sub-Saharan Africa.Advanced pharmaceutical bulletin · 2025Review
- Starch phosphorylation regulates starch granule morphological homogeneity in Arabidopsis thaliana.Plant physiology · 2024Article
- Determinants of resistant starch accumulation in wheat endosperm.Saudi journal of biological sciences · 2022Article
- Quantitative Trait Locus Analysis and Identification of Candidate Genes Affecting Seed Size and Shape in an Interspecific Backcross Inbred Line Population ofFrontiers in plant science · 2022Article
- The impact of the indica rice SSIIa allele on the apparent high amylose starch from rice grain with downregulated japonica SBEIIb.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2020Article
- Starch and Glycogen Analyses: Methods and Techniques.Biomolecules · 2020Review
- Can Manipulation of Durum Wheat Amylose Content Reduce the Glycaemic Index of Spaghetti?Foods (Basel, Switzerland) · 2020Article
- Upregulated Lipid Biosynthesis at the Expense of Starch Production in Potato (Frontiers in plant science · 2019Article
- Combining mutations at genes encoding key enzymes involved in starch synthesis affects the amylose content, carbohydrate allocation and hardness in the wheat grain.Plant biotechnology journal · 2018Article
- Evaluation of the Molecular Structural Parameters of Normal Rice Starch and Their Relationships with Its Thermal and Digestion Properties.Molecules (Basel, Switzerland) · 2017Article
- Novel mutant alleles of the starch synthesis gene TaSSIVb-D result in the reduction of starch granule number per chloroplast in wheat.BMC genomics · 2017Article
- Comparative Mapping and Candidate Gene Analysis ofFrontiers in plant science · 2017Article
- Development of a High-Efficient Mutation Resource with Phenotypic Variation in Hexaploid Winter Wheat and Identification of Novel Alleles in theFrontiers in plant science · 2017Article
- The impact of the SSIIaBreeding science · 2016Article
- Suppression of glucan, water dikinase in the endosperm alters wheat grain properties, germination and coleoptile growth.Plant biotechnology journal · 2016Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
15 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Starch synthases (SS) are responsible for elongating the alpha-1,4 glucan chains of starch. A doubled haploid population was generated by crossing a line of wheat, which lacks functional ssIIa genes on each genome (abd), and an Australian wheat cultivar, Sunco, with wild type ssIIa alleles on each genome (ABD). Evidence has been presented previously indicating that the SGP-1 (starch granule protein-1) proteins present in the starch granule in wheat are products of the ssIIa genes. Analysis of 100 progeny lines demonstrated co-segregation of the ssIIa alleles from the three genomes with the SGP-1 proteins, providing further evidence that the SGP-1 proteins are the products of the ssIIa genes. From the progeny lines, 40 doubled haploid lines representing the eight possible genotypes for SSIIa (ABD, aBD, AbD, ABd, abD, aBd, Abd, abd) were characterized for their grain weight, protein content, total starch content and starch properties. For some properties (chain length distribution, pasting properties, swelling power, and gelatinization properties), a progressive change was observed across the four classes of genotypes (wild type, single nulls, double nulls and triple nulls). However, for other grain properties (seed weight and protein content) and starch properties (total starch content, granule morphology and crystallinity, granule size distribution, amylose content, amylose-lipid dissociation properties), a statistically significant change only occurred for the triple nulls, indicating that all three genes had to be missing or inactive for a change to occur. These results illustrate the importance of SSIIa in controlling grain and starch properties and the importance of amylopectin fine structure in controlling starch granule properties in wheat.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.