Wheat and Barley Genetics and Pathology

TRITEX improves chromosome-scale genome assemblies for Triticeae crops using open-source tools and multiple sequencing data types.

The paper identifies broad-spectrum powdery mildew resistance gene candidates on chromosome 2Mb of Aegilops biuncialis using RNA-seq and molecular marker analysis.

The paper shows that the Ug99 wheat stem rust pathogen emerged through somatic hybridisation and nuclear exchange between dikaryons, with one haploid nucleus genotype shared with an older African lineage.

The paper identifies TaAPO-A1, a wheat gene orthologous to rice APO1, associated with spikelet number and related traits in wheat.

The paper validates a stem rust resistance QTL on chromosome 2U of Ae. umbellulata using bulk segregant analysis and refines its position to 3.2 Mbp.

The paper compares five genomes of Pyrenophora teres f. teres to identify sub-telomeric regions as key drivers of virulence through comparative genomic analysis.

The paper identifies genetic loci associated with low temperature and drought tolerance in barley using environmental association and linkage disequilibrium analysis.

The paper validates a resistance locus for Fusarium crown rot in barley using near-isogenic lines and transcriptomic analysis, identifying candidate genes and SNPs markers.

The paper describes the creation of an ORFeome library for Zymoseptoria tritici, providing a resource for functional genomics studies of this wheat pathogen.

The paper identifies 17 genomic regions and 42 QTL associated with grain size in einkorn wheat using linkage mapping and RNA-seq, highlighting starch biosynthesis as key.

A phylogeographical study reveals the complex history of wheat genetic diversity through time and space.

The paper shows that flowering time genes in barley affect yield under abiotic stress, with environmental cues modulating their effects, and suggests using wild barley genes to improve yield in crops.

The paper analyzes recombination patterns in hexaploid wheat, identifies genes controlling recombination and gene conversion, and highlights a novel RecQ helicase gene involved in gene conversion.

The paper identifies 12 grain protein content QTLs in a durum x wild emmer wheat RIL population across five environments, with 11 favorable alleles from wild emmer wheat.

The paper analyzes genetic control and maps QTLs for wheat grain quality traits in a recombinant inbred population across three environments, identifying 38 putative QTLs explaining 7.9% to 16.8% phenotypic variation.

This study identifies QTL for 16 end-use quality traits in wheat using a RIL population and phenotyping across nine environments, finding stable A-QTL and DE-QTL that explain significant phenotypic variation.

This paper clones four stem rust resistance genes in wild diploid wheat using association genetics and R gene enrichment sequencing within six months.

The paper presents and validates two capture probe sets for wheat to enable efficient and cost-effective re-sequencing of genes and promoters.

The paper uses next generation sequencing to identify and remove duplicated germplasm accessions in genebanks, revealing over 50% duplication in Aegilops tauschii collections.

The paper develops a subfunctionalization epistasis model to assess homeologous gene interactions in allopolyploid wheat and evaluates their contribution to genetic variation.

Pretzel provides an interactive online tool for visualizing and analyzing genomic data, enabling researchers without bioinformatics skills to use new genomic resources.

The paper introduces a low-resolution epistasis mapping method to detect chromosome arm interactions in allohexaploid wheat, finding significant epistatic interactions for 2% of tested pairs.

The paper presents a statistical framework to predict subgenome additive and interaction effects in allohexaploid wheat, showing reliable variance estimation and comparable predictive ability to existing methods.

The paper evaluates the yield performance of durum wheat lines with introgressed Thinopyrum ponticum 7AgL chromosome segments across multiple environments, finding significant increases in yield components despite trade-offs in grain weight.

This study identifies wheat Avenin-like proteins (TaALPs) with anti-Fusarium Head Blight (FHB) functions through genomic, transcriptomic, and biochemical analyses.

This study uses gene editing and mutagenesis to show that TaGW2 homoeologues contribute additively to grain size and weight in wheat, with inter-cultivar differences in their effects.

The paper introduces a portal linking the bread wheat reference genome to genetic and phenomic data for wheat improvement.

The paper compares the genome sequences of two wheat cultivars to identify structural variations and their evolutionary mechanisms.