Wheat and Barley Genetics and Pathology

A pathogen-induced putative NAC transcription factor mediates leaf rust resistance in barley

This study identifies Rph7, a barley resistance gene against leaf rust, as a putative NAC transcription factor involved in basal defence activation.

Transcriptomic Response to Nitrogen Availability Highlights Signatures of Adaptive Plasticity During Tetraploid Wheat Domestication

The paper analyzes gene expression in tetraploid wheat under different nitrogen conditions to identify selection signatures during domestication.

Allelic variation in the wheat homolog of topoisomerase II is associated with crossover rate

The paper identifies an allelic variation in the wheat gene TaTOPII-A1 that increases crossover rate, suggesting it as a target for improving genetic diversity in crops.

Genomic unveiling of the diversity in grain protein and lysine content throughout a genebank collection of winter wheat

The paper uses genomic prediction on historical wheat data to identify donor genotypes with high protein and lysine content for pre-breeding programs.

Long-read genome sequencing accelerated the cloning of Pm69 by resolving the complexity of a rapidly evolving resistance gene cluster in wheat

The paper uses long-read sequencing to clone a resistance gene in wheat, resolving structural complexities and enabling its introgression into other wheat varieties.

DMC1 stabilizes synapsis and crossover at high and low temperatures during wheat meiosis

This study shows that the DMC1 gene on wheat chromosome 5D maintains proper chromosome synapsis and crossover at both high and low temperatures, which is critical for wheat fertility and yield.

Identifying variants associated with dwarfism via long read sequencing of the Ddw1locus in winter rye

The paper identifies variants in the Ddw1 locus associated with dwarfism in winter rye using long-read sequencing.

Novel exotic alleles of EARLY FLOWERING 3 determine plant development in barley

The paper identifies novel exotic ELF3 alleles in barley and shows they affect plant development traits by altering protein structure and function.

An integrated map of genetic variation from 1,062 wheat genomes

This paper constructs a high-density genetic variation map of wheat using 1,062 genomes, revealing higher genetic diversity in wild emmer wheat and diploid goatgrass compared to common wheat.

A promising QTL QSns.sau-MC-3D.1 likely superior to WAPO1 for wheat spikelet number per spike shows no adverse effects on yield-related traits

This paper identifies a novel QTL, QSns.sau-MC-3D.1, for wheat spikelet number per spike that shows no adverse effects on yield-related traits and has better breeding potential than WAPO1.

Pathogen genetics identifies avirulence/virulence loci associated with barley chromosome 6H resistance in the Pyrenophora teres f. teres - barley interaction

The paper identifies avirulence/virulence loci on barley chromosome 6H using genetic mapping and genome-wide association studies in the Pyrenophora teres f. teres - barley interaction.

Drought adaptability of different subspecies of tetraploid wheat (Triticum turgidum) under contrasting moisture conditions: association with solvent retention capacity and quality-related traits

This study evaluates drought adaptability of Triticum turgidum subspecies under moisture stress, linking traits like solvent retention capacity to quality and agronomic performance.

A wheat chromosome segment substitution line series supports characterisation and use of progenitor genetic variation

The paper develops wheat chromosome segment substitution lines to capture genetic variation from progenitor species and assesses their utility for trait localization.

On-Farm Genetic Diversity of Wheat (Triticum aestivum spp.) In Digalu Tijo District, Arsi Zone, Ethiopia

This study assesses the on-farm genetic diversity of wheat landraces in Ethiopia, finding significant genetic erosion due to improved varieties and other factors.

A second generation capture panel for cost-effective sequencing of genome regulatory regions in wheat and relatives

The paper develops an updated capture panel for sequencing regulatory regions in wheat and related species, improving specificity and coverage over previous methods.

CGIAR BARLEY BREEDING TOOLBOX: A diversity panel to facilitate breeding and genomic research in the Developing World

The paper develops a barley breeding toolbox with a diverse genetic panel to support genomic research and breeding in the Developing World.

Whole genome resequencing and comparative genome analysis of three Puccinia striiformis f. sp. tritici pathotypes prevalent in India

The paper resequences and compares three Indian Puccinia striiformis f. sp. tritici pathotypes to study their evolution and identify virulence-associated genes.

Dissecting the Pyrenophora tritici-repentis (tan spot of wheat) pangenome

This paper analyzes the pangenome of Pyrenophora tritici-repentis using genomic data from 40 isolates to reveal structural variations and effector gene dynamics.

GiPS: Genomics-informed parent selection uncovers the breeding value of wheat genetic resources

This study uses genomics-informed parent selection to identify high-yielding wheat parents from genetic resources, which outperform current elite cultivars in field trials.

Structural variants in the barley gene pool: precision and sensitivity to detect them using short-read sequencing and their association with gene expression and phenotypic variation

This study benchmarks SV callers for sensitivity and precision in barley genomes, finds associations between SV clusters and gene expression, and shows their superior predictive power for phenotypes compared to SNPs.

Consensus genomic regions associated with multiple abiotic stress tolerance in wheat and implications for wheat breeding

The paper identifies consensus genomic regions associated with multiple abiotic stress tolerance in wheat and suggests their use in breeding for stress resilience.

Analysis of historical selection in winter wheat

The paper develops and applies RALLY, a selection mapping approach, to identify loci under historical selection in winter wheat varieties bred from 1916 to 2010.

Multi-environmental population phenotyping suggests the higher risk of wheat Rht-B1b and Rht-D1b cultivars in global warming scenarios

The paper investigates the effects of Rht-B1b and Rht-D1b alleles on wheat agronomic traits across environments, finding that these alleles increase yield sensitivity to temperature rise.

Multi-stage resistance to Zymoseptoria tritici revealed by GWAS in an Australian bread wheat (Triticum aestivum L.) diversity panel

A GWAS study identifies three new QTLs associated with seedling-stage resistance, adult-plant stage resistance, and multi-stage resistance to Zymoseptoria tritici in an Australian wheat diversity panel.

ccnWheat: A Database for Comparing Co-expression Networks Analysis of Allohexaploid Wheat and Its Progenitors

The paper introduces ccnWheat, a platform for comparing co-expression networks in wheat species, and identifies a novel motif in the WAPO-A1 gene related to spikelet development in hexaploid wheat.

The genetic diversity of Ethiopian barley genotypes in relation to their geographical origin

The paper analyzes the genetic diversity of Ethiopian barley genotypes using SNP markers and finds three genetically distinct clusters with moderate differentiation and weak geographic correlation.

Whole genome sequencing uncovers the structural and transcriptomic landscape of hexaploid wheat/Ambylopyrum muticum introgression lines

This study uses whole genome sequencing to analyze hexaploid wheat/Ambylopyrum muticum introgression lines, identifying structural disruptions and gene expression patterns associated with introgression.

The genomic and bioclimatic characterization of Ethiopian barley (Hordeum vulgare L.) unveils challenges and opportunities to adapt to a changing climate

This study characterizes Ethiopian barley genomes and links them to climate data to identify genomic regions for climate adaptation.

Population genomics unravels the Holocene history of Triticum-Aegilops species

This study uses whole-genome sequences of 795 wheats to trace the population history of bread wheat and its relatives, revealing origins, speciation, and spread across Eurasia.

Allele mining, evolutionary genetic analysis of TaHKT1;5 gene and evaluation of salinity stress in selected lines of wheat.

This paper analyzes allelic diversity of the HKT1;5 gene in wheat and evaluates its association with salinity stress tolerance across different species and lines.