Torben Asp
YOU?
Author Swipe
View article: Genomic prediction of agronomic traits in perennial ryegrass ( <i>Lolium perenne</i> L.) and genotype x environment interactions at the limit of the species distribution
Genomic prediction of agronomic traits in perennial ryegrass ( <i>Lolium perenne</i> L.) and genotype x environment interactions at the limit of the species distribution Open
Background In breeding the aim is to identify and accumulate beneficial variants. However, detection of these variants may be challenging in the presence of extensive genotype x environment interactions (GxE), as variant effects will be co…
View article: The Value of Early Root Development Traits in Breeding Programs for Biomass Yield in Perennial Ryegrass (Lolium perenne L.)
The Value of Early Root Development Traits in Breeding Programs for Biomass Yield in Perennial Ryegrass (Lolium perenne L.) Open
Perennial ryegrass (Lolium perenne L.) is an important forage grass widely used in pastures and lawns, valued for its high nutritive value and environmental benefits. Despite its importance, genetic improvements in biomass yield have been …
View article: Automated seminal root angle measurement with corrective annotation
Automated seminal root angle measurement with corrective annotation Open
Measuring seminal root angle is an important aspect of root phenotyping, yet automated methods are lacking. We introduce SeminalRootAngle, a novel open-source automated method that measures seminal root angles from images. To ensure our me…
View article: Automated Seminal Root Angle Measurement with Corrective Annotation
Automated Seminal Root Angle Measurement with Corrective Annotation Open
Measuring seminal root angle is an important aspect of root phenotyping, yet automated methods are lacking. We introduce SeminalRootAngle, a novel open-source automated method that measures seminal root angles from images. To ensure our me…
View article: Corrigendum: Methylome changes in Lolium perenne associated with long-term colonisation by the endophytic fungus Epichloë sp. LpTG-3 strain AR37
Corrigendum: Methylome changes in Lolium perenne associated with long-term colonisation by the endophytic fungus Epichloë sp. LpTG-3 strain AR37 Open
[This corrects the article DOI: 10.3389/fpls.2023.1258100.].
View article: Methylome changes in Lolium perenne associated with long-term colonisation by the endophytic fungus Epichloë sp. LpTG-3 strain AR37
Methylome changes in Lolium perenne associated with long-term colonisation by the endophytic fungus Epichloë sp. LpTG-3 strain AR37 Open
Epichloë spp. often form mutualistic interactions with cool-season grasses, such as Lolium perenne . However, the molecular mechanisms underlying this interaction remain poorly understood. In this study, we employed reduced representation …
View article: Genetic architecture of inter-specific and -generic grass hybrids by network analysis on multi-omics data
Genetic architecture of inter-specific and -generic grass hybrids by network analysis on multi-omics data Open
Understanding the mechanisms underlining forage production and its biomass nutritive quality at the omics level is crucial for boosting the output of high-quality dry matter per unit of land. Despite the advent of multiple omics integratio…
View article: Fine-Mapping and Comparative Genomic Analysis Reveal the Gene Composition at the <i>S</i> and <i>Z</i> Self-incompatibility Loci in Grasses
Fine-Mapping and Comparative Genomic Analysis Reveal the Gene Composition at the <i>S</i> and <i>Z</i> Self-incompatibility Loci in Grasses Open
Self-incompatibility (SI) is a genetic mechanism of hermaphroditic plants to prevent inbreeding after self-pollination. Allogamous Poaceae species exhibit a unique gametophytic SI system controlled by two multi-allelic and independent loci…
View article: Leveraging spatiotemporal genomic breeding value estimates of dry matter yield and herbage quality in ryegrass via random regression models
Leveraging spatiotemporal genomic breeding value estimates of dry matter yield and herbage quality in ryegrass via random regression models Open
Joint modeling of correlated multienvironment and multiharvest data of perennial crop species may offer advantages in prediction schemes and a better understanding of the underlying dynamics in space and time. The goal of the present study…
View article: Integration of DNA Methylation and Transcriptome Data Improves Complex Trait Prediction in Hordeum vulgare
Integration of DNA Methylation and Transcriptome Data Improves Complex Trait Prediction in Hordeum vulgare Open
Whole-genome multi-omics profiles contain valuable information for the characterization and prediction of complex traits in plants. In this study, we evaluate multi-omics models to predict four complex traits in barley (Hordeum vulgare); g…
View article: Relative importance of genotype, gene expression, and DNA methylation on complex traits in perennial ryegrass
Relative importance of genotype, gene expression, and DNA methylation on complex traits in perennial ryegrass Open
The growing demand for food and feed crops in the world because of growing population and more extreme weather events requires high‐yielding and resilient crops. Many agriculturally important traits are polygenic, controlled by multiple re…
View article: Fine-mapping and comparative genomic analysis reveal the gene composition at the<i>S</i>and<i>Z</i>self-incompatibility loci in grasses
Fine-mapping and comparative genomic analysis reveal the gene composition at the<i>S</i>and<i>Z</i>self-incompatibility loci in grasses Open
Self-incompatibility (SI) is a genetic mechanism of hermaphroditic plants to prevent inbreeding after self-pollination. Allogamous Poaceae species exhibit a unique gametophytic SI system controlled by two multi-allelic and independent loci…
View article: Chromosome-scale assembly and annotation of the perennial ryegrass genome
Chromosome-scale assembly and annotation of the perennial ryegrass genome Open
Background The availability of chromosome-scale genome assemblies is fundamentally important to advance genetics and breeding in crops, as well as for evolutionary and comparative genomics. The improvement of long-read sequencing technolog…
View article: Leveraging spatio-temporal genomic breeding value estimates of dry matter yield and herbage quality in ryegrass via random regression models
Leveraging spatio-temporal genomic breeding value estimates of dry matter yield and herbage quality in ryegrass via random regression models Open
Joint modeling of correlated multi-environment and multi-harvest data of perennial crop species may offer advantages in prediction schemes and a better understanding of the underlying dynamics in space and time. The goal of the present stu…
View article: Genome-Wide Association Mapping of Crown and Brown Rust Resistance in Perennial Ryegrass
Genome-Wide Association Mapping of Crown and Brown Rust Resistance in Perennial Ryegrass Open
A population of 239 perennial ryegrass (Lolium perenne L.) genotypes was analyzed to identify marker-trait associations for crown rust (Puccinia coronata f. sp. lolii) and brown rust (Puccinia graminis f. sp. loliina) resistance. Phenotypi…
View article: Genomic Prediction and Genotype-by-Environment Interaction Analysis of Crown and Stem Rust in Ryegrasses in European Multi-Site Trials
Genomic Prediction and Genotype-by-Environment Interaction Analysis of Crown and Stem Rust in Ryegrasses in European Multi-Site Trials Open
Climate change calls for novel approaches to include environmental effects in future breeding programs for forage crops. A set of ryegrasses (Lolium) varieties was evaluated in multiple European environments for crown rust (Puccinia corona…
View article: A comparison of shared patterns of differential gene expression and gene ontologies in response to water-stress in roots and leaves of four diverse genotypes of Lolium and Festuca spp. temperate pasture grasses
A comparison of shared patterns of differential gene expression and gene ontologies in response to water-stress in roots and leaves of four diverse genotypes of Lolium and Festuca spp. temperate pasture grasses Open
Ryegrasses (Lolium spp.) and fescues ( Festuca spp.) are closely related and widely cultivated perennial forage grasses. As such, resilience in the face of abiotic stresses is an important component of their traits. We have compared patter…
View article: First assembly of the gene-space of the Lolium multiflorum genome and comparison to other Poaceae genomes
First assembly of the gene-space of the Lolium multiflorum genome and comparison to other Poaceae genomes Open
The genome of a diploid, heterozygous L. multiflorum genotype was sequenced using the Illumina HiSeq2000 platform, resulting in approximately 69 Gb of raw data. These data were assembled into 130k scaffolds greater than 2kb in size and wit…
View article: First assembly of the gene-space of the Lolium multiflorum genome and comparison to other Poaceae genomes
First assembly of the gene-space of the Lolium multiflorum genome and comparison to other Poaceae genomes Open
The genome of a diploid, heterozygous L. multiflorum genotype was sequenced using the Illumina HiSeq2000 platform, resulting in approximately 69 Gb of raw data. These data were assembled into 130k scaffolds greater than 2kb in size and wit…
View article: Genomic selection in American mink (<i>Neovison vison</i>) using a single-step genomic best linear unbiased prediction model for size and quality traits graded on live mink
Genomic selection in American mink (<i>Neovison vison</i>) using a single-step genomic best linear unbiased prediction model for size and quality traits graded on live mink Open
Genomic selection relies on single-nucleotide polymorphisms (SNPs), which are often collected using medium-density SNP arrays. In mink, no such array is available; instead, genotyping by sequencing (GBS) can be used to generate marker info…
View article: Fungal Endophyte Colonization Patterns Alter Over Time in the Novel Association Between Lolium perenne and Epichloë Endophyte AR37
Fungal Endophyte Colonization Patterns Alter Over Time in the Novel Association Between Lolium perenne and Epichloë Endophyte AR37 Open
Infection of the pasture grass Lolium perenne with the seed-transmitted fungal endophyte Epichloë festucae enhances its resilience to biotic and abiotic stress. Agricultural benefits of endophyte infection can be increased by generating no…
View article: The cytosine methylation landscape of spring barley revealed by a new reduced representation bisulfite sequencing pipeline, WellMeth
The cytosine methylation landscape of spring barley revealed by a new reduced representation bisulfite sequencing pipeline, WellMeth Open
Patterns and level of cytosine methylation vary widely among plant species and are associated with genome size as well as the proportion of transposons and other repetitive elements in the genome. We explored epigenetic patterns and divers…
View article: Insights into the evolution of symbiosis gene copy number and distribution from a chromosome-scale <i>Lotus japonicus</i> Gifu genome sequence
Insights into the evolution of symbiosis gene copy number and distribution from a chromosome-scale <i>Lotus japonicus</i> Gifu genome sequence Open
Lotus japonicus is a herbaceous perennial legume that has been used extensively as a genetically tractable model system for deciphering the molecular genetics of symbiotic nitrogen fixation. Our aim is to improve the L. japonicus reference…
View article: Determination of Loline Alkaloids and Mycelial Biomass in Endophyte-Infected Schedonorus pratensis by Near-Infrared Spectroscopy and Chemometrics
Determination of Loline Alkaloids and Mycelial Biomass in Endophyte-Infected Schedonorus pratensis by Near-Infrared Spectroscopy and Chemometrics Open
Near infrared spectroscopy (NIRS) is an accurate, fast and nondestructive technique whose use in predicting forage quality has become increasingly relevant in recent decades. Epichloë-infected grass varieties are commonly used in areas wit…