Wheat and Barley Genetics and Pathology

Transposon-associated genetic structure of a fungal phytopathogen population of wheat

This study identifies a transposable element, Molly, that contributes to genetic diversity and population structure in the wheat pathogen Parastagonospora nodorum, influencing its virulence and adaptation.

A genetic toolkit to reduce wheat immunogenicity and incidence of celiac disease

This study generates non-transgenic wheat genetic stocks with reduced immunogenic epitopes to develop celiac disease-safe wheat varieties.

Chromosome-Specific Expansion and Diversification of the Thionin Gene Family in Barley

This study identifies and characterizes the thionin gene family in barley, revealing chromosomal clustering, copy number variation, and a role in aphid defense.

Genetic analysis and mapping of adult plant stripe rust resistance loci in CIMMYT wheat 'Kijil under Mexican and Chinese field environments

This study identifies five stripe rust resistance loci in wheat line Kijil, including two novel loci, and develops markers for marker-assisted selection in breeding programs.

Differential genetic resistance identified in Parastagonospora nodorum and Pyrenophora tritici-repentis-wheat pathosystems

The paper identifies genetic resistance mechanisms in wheat against two fungal pathogens, showing distinct resistance mechanisms for Septoria nodorum blotch and tan spot.

Long-term surveillance reveals hybridization by nuclear reassortment and intercontinental spread as major evolutionary drivers in wheat yellow rust

The paper tracks global spread and hybridization of wheat yellow rust pathogen, identifying nuclear reassortment and intercontinental movement as key drivers of evolution and disease impact.

Genome Assembly of the Green Revolution Wheat Cultivar Pavon 76 Establishes a Reference for CIMMYT-Derived Wheat

The paper assembles the genome of Pavon 76, a Green Revolution wheat cultivar, providing a chromosome-scale reference for CIMMYT-derived wheat and highlighting structural divergence from the standard reference genome.

Defining critical drivers of cross-pollination for better hybrid grain set in wheat

The paper identifies key floral and reproductive traits that influence cross-pollination efficiency in wheat, showing that combined trait analysis explains more variation in hybrid grain set than visual anther extrusion alone.

Integrating molecular and physiological approaches to quantify genetic controls for wheat development and improve phenotyping

The paper updates and validates a model for predicting wheat development by integrating molecular and physiological data, showing it can predict phenological responses to environment and guide genetic studies.

Unlocking open-access genomic and transcriptomic data: the first bioinformatic exploitation of tunisian durum wheat landraces Chili and Mahmoudi

The paper analyzes genomic and transcriptomic data from two Tunisian durum wheat landraces to identify adaptive mechanisms under climate stress.

Haplotype-phased genomes of the barley leaf rust pathogen reveal evidence of repeat element expansion and somatic hybridization

The paper presents haplotype-phased, chromosome-scale genomes of Puccinia hordei isolates, revealing repeat expansion, somatic hybridization, and genome plasticity.

Discovering genetic loci associated with rate of vegetative index gain using UAV-based phenomics in spring wheat

This study uses UAV-based phenotyping and GWAS to identify genetic loci associated with vegetation index gain and yield in spring wheat.

Extending the seasons at both ends? Understanding the physiological and genetic context required for stay green mediated yield increase in wheat (Triticum aestivum)

This study investigates the relationship between flowering time and staygreen traits in wheat, finding that late heading staygreen lines show increased yield under stress, but staygreen benefits are limited by source-sink dynamics.

Reduction of Pollen Number and Anther Length in Bread Wheat Studied by a Nested Association Mapping Population

This study identifies genetic factors influencing pollen number and anther length in bread wheat using nested association mapping, revealing new QTLs and the role of Green Revolution genes.

Two Novel Genes, Stb23 and Stb24, Conferring Multi-stage Resistance to Zymoseptoria tritici: Rapid Deployment in Marker-Assisted Wheat Breeding

This study identifies two new resistance loci, Stb23 and Stb24, against Zymoseptoria tritici and develops KASP markers for their use in wheat breeding.

Chromosome-scale genome assembly of diploid halophyte Thinopyrum bessarabicum excludes J genome from polyploid Thinopyrum ancestry

This paper presents a chromosome-scale genome of Thinopyrum bessarabicum, showing the J genome is not part of polyploid Thinopyrum ancestry and identifies genomic features linked to salt tolerance.

Selecting genomes that matter: haplotype-based prioritization for iterative pangenome expansion

The paper introduces SelHap, a haplotype-based method to prioritize genomes for pangenome expansion by focusing on novel haplotypes, resulting in increased non-redundant sequence content.

Computational predictions and evolutionary analysis of LrK10 kinase-related putative PSTOL1 gene homeologs in wheat and orthologs of its wild relatives.

The paper identifies and analyzes putative PSTOL1 homeologs in wheat and their evolutionary relationship with LrK10 orthologs, finding recent divergence and structural differences.

Mapping of Stripe Rust and Leaf Rust Resistance Genes in the Hard Red Winter Wheat Population Green Hammer/Lonerider

This study maps resistance genes for stripe rust and leaf rust in wheat using DH lines and QTL analysis, identifying both known and novel resistance loci.

Acellular starch domains in the endosperm of wheat and oat

The paper identifies a new developmental pattern in cereal endosperm with acellular starch domains and discusses its implications for starch yield improvement.

The variable wheat stripe rust effector AvrYr7 evades Yr7 recognition through sequence and expression polymorphisms

The paper clones AvrYr7, an effector gene in wheat stripe rust, and identifies variants that evade recognition by the resistance gene Yr7 through sequence and expression differences.

A high-quality bread wheat genome unravels adaptive evolution of wheat end-use quality

The paper presents a high-quality wheat genome assembly and analyzes the evolution of gluten genes contributing to wheat end-use quality.

Epistatic interaction of the genes Raw1 and Raw7 controls barb size and frequency in barley awn roughness

This paper identifies Raw7 as a second gene controlling barley awn roughness, showing epistatic interaction with Raw1, and proposes a cytokinin signaling pathway mechanism.

The barley ear row-number allele ancestral to the six-row allele vrs1.a1 is found in wild barley from the Fertile Crescent

The paper identifies the origin of the barley VRS1 allele vrs1.a1 as a mutation of the wild-type Vrs1.b1 allele in wild barley from the eastern Fertile Crescent.

Homoeo-alleles of wheat GNI2 fuel grain yields across input environments

This study identifies GNI2 homoeo-alleles in wheat that improve grain yield by 5-15% across high- and low-input environments.

Comprehensive identification and characterization of candidate effector proteins in Puccinia triticina reveals insights into the wheat leaf rust pathogenesis

This study identifies 273 effector proteins in Puccinia triticina, revealing conserved motifs, CAZyme activity, and expression patterns linked to wheat leaf rust pathogenesis.

A thermal time framework drives coordinated below- and above-ground development in temperate cereal crops

The paper introduces a thermal time framework to quantify coordinated root and shoot development in temperate cereal crops across species and environments.

Root system architecture responses to high-temperature stress in synthetic-derived wheat lines reveal distinct adaptive patterns

This study examines root system architecture responses to high-temperature stress in synthetic wheat lines, identifying genotypes with distinct adaptive patterns and potential targets for heat-resilient wheat breeding.

Regulation of spikelet number during wheat spike development

This paper reviews gene networks regulating spikelet number in wheat and highlights recent advances in understanding and engineering spike development for improved yield.

"Editing the conserved IPA1-TB1 regulatory module reshapes plant architecture and enhances tillering in wheat

This study uses CRISPR/Cas9 to edit TaIPA1 and TaTB1 in wheat, showing enhanced tillering and grain weight without affecting spikelet number.