Samuel Holden
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View article: Genomes of Poaceae sisters reveal key metabolic innovations preceding the evolution of grasses
Genomes of Poaceae sisters reveal key metabolic innovations preceding the evolution of grasses Open
The grass family (Poaceae, Poales) holds immense economic and ecological significance, exhibiting unique metabolic traits, including dual starch and lignin biosynthetic pathways. To investigate when and how the metabolic innovations known …
View article: An island of receptor-like genes at the Rrs13 locus on barley chromosome 6HS co-locate with three novel sources of scald resistance
An island of receptor-like genes at the Rrs13 locus on barley chromosome 6HS co-locate with three novel sources of scald resistance Open
Three Hordeum spontaneum-derived resistances (referred to as 145L2, 41T1 and 40Y5) have demonstrated long-term effectiveness against barley scald, caused by Rhynchosporium commune, in western Canada. Genetic mapping of these resistances in…
View article: An Island of Receptor-Like Genes at the Rrs13 Locus on Barley Chromosome 6HS Co-locate with Three Novel Sources of Scald Resistance
An Island of Receptor-Like Genes at the Rrs13 Locus on Barley Chromosome 6HS Co-locate with Three Novel Sources of Scald Resistance Open
Three Hordeum spontaneum-derived resistances (referred to as 145L2, 41T1 and 40Y5) have demonstrated long-term effectiveness against barley scald, caused by Rhynchosporium commune, in western Canada. Genetic mapping of these resistances in…
View article: Origin and evolution of the bread wheat D genome
Origin and evolution of the bread wheat D genome Open
Bread wheat ( Triticum aestivum ) is a globally dominant crop and major source of calories and proteins for the human diet. Compared to its wild ancestors, modern bread wheat shows lower genetic diversity caused by polyploidisation, domest…
View article: Uncovering the history of recombination and population structure in western Canadian stripe rust populations through mating-type alleles
Uncovering the history of recombination and population structure in western Canadian stripe rust populations through mating-type alleles Open
The population structure of crop pathogens such as Puccinia striiformis f. sp. tritici ( Pst ); the cause of wheat stripe rust, is of interest to researchers looking to understand these pathogens on a molecular level, as well as those with…
View article: Whole Genome Sequencing Suggests that “Nonpathogenicity on Banana (NPB)” Is the Ancestral State of the <i>Ralstonia solanacearum</i> IIB-4 Lineage
Whole Genome Sequencing Suggests that “Nonpathogenicity on Banana (NPB)” Is the Ancestral State of the <i>Ralstonia solanacearum</i> IIB-4 Lineage Open
The bacterial wilt pathogens in the Ralstonia solanacearum species complex (RSSC) have broad but finite host ranges. Population genetic surveys of RSSC pathogens show that many sequevars (subspecies groups) are predominantly recovered from…
View article: A lineage-specific Exo70 is required for receptor kinase–mediated immunity in barley
A lineage-specific Exo70 is required for receptor kinase–mediated immunity in barley Open
In the evolution of land plants, the plant immune system has experienced expansion in immune receptor and signaling pathways. Lineage-specific expansions have been observed in diverse gene families that are potentially involved in immunity…
View article: Whole genome sequencing suggests that “non-pathogenicity on banana (NPB)” is the ancestral state of the <i>Ralstonia solanacearum</i> IIB-4 lineage
Whole genome sequencing suggests that “non-pathogenicity on banana (NPB)” is the ancestral state of the <i>Ralstonia solanacearum</i> IIB-4 lineage Open
The bacterial wilt pathogens in the Ralstonia solanacearum species complex (RSSC) have broad but finite host ranges. Population genetic surveys of RSSC pathogens show that many sequevars (subspecies groups) are predominantly recovered from…
View article: Source data for Holden et al. (2022)
Source data for Holden et al. (2022) Open
Source data for all figures, tables, movies, and data sets in the manuscript entitled 'A lineage-specific Exo70 is required for receptor kinase-mediated immunity in barley' by Holden et al. (2022).
View article: A lineage-specific Exo70 is required for receptor kinase-mediated immunity in barley
A lineage-specific Exo70 is required for receptor kinase-mediated immunity in barley Open
In the evolution of land plants, the plant immune system has experienced expansion in immune receptor and signaling pathways. Lineage-specific expansions have been observed in diverse gene families that are potentially involved in immunity…
View article: Source data for Holden et al. (2021)
Source data for Holden et al. (2021) Open
Source data for all figures in the manuscript entitled 'A lineage-specific Exo70 is required for receptor kinase-mediated immunity in barley' by Holden et al. (2021). @font-face {font-family:"Cambria Math"; panose-1:2 4 5 3 5 4 6 3 2 4; ms…
View article: An ancient integration in a plant NLR is maintained as a <i>trans</i>-species polymorphism
An ancient integration in a plant NLR is maintained as a <i>trans</i>-species polymorphism Open
Plant immune receptors are under constant selective pressure to maintain resistance to plant pathogens.Nucleotide-binding leucine-rich repeat (NLR) proteins are one class of cytoplasmic immune receptors whose genes commonly show signatures…