Adrian F. Powell
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View article: Genome and Tissue‐Specific Transcriptome of the Tropical Milkweed ( <scp> <i>Asclepias curassavica</i> </scp> )
Genome and Tissue‐Specific Transcriptome of the Tropical Milkweed ( <span> <i>Asclepias curassavica</i> </span> ) Open
Tropical milkweed ( Asclepias curassavica ) serves as a host plant for monarch butterflies ( Danaus plexippus ) and other insect herbivores that can tolerate the abundant cardiac glycosides that are characteristic of this species. Cardiac …
View article: Aphid Resistance Segregates Independently of Cardenolide and Glucosinolate Content in an Erysimum cheiranthoides (Wormseed Wallflower) F2 Population
Aphid Resistance Segregates Independently of Cardenolide and Glucosinolate Content in an Erysimum cheiranthoides (Wormseed Wallflower) F2 Population Open
Plants in the genus Erysimum produce both glucosinolates and cardenolides as a defense mechanism against herbivory. Two natural isolates of Erysimum cheiranthoides (wormseed wallflower) differed in their glucosinolate content, cardenolide …
View article: Aphid resistance segregates independently of cardiac glycoside and glucosinolate content in an<i>Erysimum cheiranthoides</i>(wormseed wallflower) F2 population
Aphid resistance segregates independently of cardiac glycoside and glucosinolate content in an<i>Erysimum cheiranthoides</i>(wormseed wallflower) F2 population Open
Plants in the genus Erysimum produce both glucosinolates and cardiac glycosides as defense against herbivory. Two natural isolates of Erysimum cheiranthoides (wormseed wallflower) differed in their glucosinolate content, cardiac glycoside …
View article: Genome and tissue-specific transcriptome of the tropical milkweed (<i>Asclepias curassavica</i>)
Genome and tissue-specific transcriptome of the tropical milkweed (<i>Asclepias curassavica</i>) Open
Tropical milkweed ( Asclepias curassavica ) serves as a host plant for monarch butterflies ( Danaus plexippus ) and other insect herbivores that can tolerate the abundant cardiac glycosides that are characteristic of this species. Cardiac …
View article: Spatiotemporal dynamics of the tomato fruit transcriptome under prolonged water stress
Spatiotemporal dynamics of the tomato fruit transcriptome under prolonged water stress Open
Water availability influences all aspects of plant growth and development; however, most studies of plant responses to drought have focused on vegetative organs, notably roots and leaves. Far less is known about the molecular bases of drou…
View article: Genome sequence for the blue‐flowered Andean shrub <i>Iochroma cyaneum</i> reveals extensive discordance across the berry clade of Solanaceae
Genome sequence for the blue‐flowered Andean shrub <i>Iochroma cyaneum</i> reveals extensive discordance across the berry clade of Solanaceae Open
The tomato ( Solanum lycopersicum L.) family, Solanaceae, is a model clade for a wide range of applied and basic research questions. Currently, reference‐quality genomes are available for over 30 species from seven genera, and these includ…
View article: A <i>Solanum lycopersicoides</i> reference genome facilitates insights into tomato specialized metabolism and immunity
A <i>Solanum lycopersicoides</i> reference genome facilitates insights into tomato specialized metabolism and immunity Open
SUMMARY Wild relatives of tomato are a valuable source of natural variation in tomato breeding, as many can be hybridized to the cultivated species ( Solanum lycopersicum ). Several, including Solanum lycopersicoides , have been crossed to…
View article: Breedbase: a digital ecosystem for modern plant breeding
Breedbase: a digital ecosystem for modern plant breeding Open
Modern breeding methods integrate next-generation sequencing and phenomics to identify plants with the best characteristics and greatest genetic merit for use as parents in subsequent breeding cycles to ultimately create improved cultivars…
View article: Temporal matches and mismatches between monarch butterfly and milkweed population changes over the past 12,000 years
Temporal matches and mismatches between monarch butterfly and milkweed population changes over the past 12,000 years Open
In intimate ecological interactions, the interdependency of species may result in correlated demographic histories. For species of conservation concern, understanding the long-term dynamics of such interactions may shed light on the driver…
View article: Genome sequence for the blue-flowered Andean shrub Iochroma cyaneum reveals extensive discordance across the berry clade of Solanaceae
Genome sequence for the blue-flowered Andean shrub Iochroma cyaneum reveals extensive discordance across the berry clade of Solanaceae Open
The tomato family, Solanaceae, is a model clade for a wide range of applied and basic research questions. Currently, reference-quality genomes are available for over 30 species from seven genera, and these include numerous crops as well as…
View article: A population based expression atlas provides insights into disease resistance and other physiological traits in cassava (<i>Manihot esculenta</i>Crantz)
A population based expression atlas provides insights into disease resistance and other physiological traits in cassava (<i>Manihot esculenta</i>Crantz) Open
Cassava, a food security crop in Africa, is grown throughout the tropics and subtropics. Although cassava can provide high productivity in suboptimal conditions, the yield in Africa is substantially lower than in other geographies. The yie…
View article: Indole-3-glycerolphosphate synthase, a branchpoint for the biosynthesis of tryptophan, indole, and benzoxazinoids in maize
Indole-3-glycerolphosphate synthase, a branchpoint for the biosynthesis of tryptophan, indole, and benzoxazinoids in maize Open
The maize ( Zea mays ) genome encodes three indole-3-glycerolphosphate synthase enzymes (IGPS1, 2, and 3) catalyzing the conversion of 1-(2-carboxyphenylamino)-l-deoxyribulose-5-phosphate to indole-3-glycerolphosphate. Three further maize …
View article: High density genotype storage for plant breeding in the Chado schema of Breedbase
High density genotype storage for plant breeding in the Chado schema of Breedbase Open
Modern breeding programs routinely use genome-wide information for selecting individuals to advance. The large volumes of genotypic information required present a challenge for data storage and query efficiency. Major use cases require gen…
View article: Comparative assessment of genetic diversity matrices and clustering methods in white Guinea yam (Dioscorea rotundata) based on morphological and molecular markers
Comparative assessment of genetic diversity matrices and clustering methods in white Guinea yam (Dioscorea rotundata) based on morphological and molecular markers Open
Understanding the diversity and genetic relationships among and within crop germplasm is invaluable for genetic improvement. This study assessed genetic diversity in a panel of 173 D. rotundata accessions using joint analysis for 23 morpho…
View article: Capsidiol-related genes are highly expressed in response to Colletotrichum scovillei during Capsicum annuum fruit development stages
Capsidiol-related genes are highly expressed in response to Colletotrichum scovillei during Capsicum annuum fruit development stages Open
Capsicum annuum is one of the most important horticultural crops worldwide. Anthracnose disease ( Colletotrichum spp.) is a major constraint for chili production, causing substantial losses. Capsidiol is a sesquiterpene phytoalexin present…
View article: A<i>Solanum lycopersicoides</i>reference genome facilitates biological discovery in tomato
A<i>Solanum lycopersicoides</i>reference genome facilitates biological discovery in tomato Open
Summary Wild relatives of tomato are a valuable source of natural variation in tomato breeding, as many can be hybridized to the cultivated species ( Solanum lycopersicum ). Several, including Solanum lycopersicoides , have been crossed to…
View article: Independent evolution of ancestral and novel defenses in a genus of toxic plants (Erysimum, Brassicaceae)
Independent evolution of ancestral and novel defenses in a genus of toxic plants (Erysimum, Brassicaceae) Open
Phytochemical diversity is thought to result from coevolutionary cycles as specialization in herbivores imposes diversifying selection on plant chemical defenses. Plants in the speciose genus Erysimum (Brassicaceae) produce both ancestral …
View article: Author response: Independent evolution of ancestral and novel defenses in a genus of toxic plants (Erysimum, Brassicaceae)
Author response: Independent evolution of ancestral and novel defenses in a genus of toxic plants (Erysimum, Brassicaceae) Open
Article Figures and data Abstract eLife digest Introduction Results Discussion Materials and methods Data availability References Decision letter Author response Article and author information Metrics Abstract Phytochemical diversity is th…
View article: Legumes baits
Legumes baits Open
Baits targeted based on 30 transcriptomes across Fabaceae and mapped against Medicago and Phaseolous genomes, then chosen the Phaseolus version with the stringent criteria. This set targets 507 nuclear genes.
View article: Legumes baits filtration info
Legumes baits filtration info Open
Filtration criteria for creating baits for the 507 nuclear loci for Fabaceae
View article: Vatanparast et al. Targeting legume loci
Vatanparast et al. Targeting legume loci Open
Data from Vatanparast, M., A. Powell, J. J. Doyle, and A. N. Egan. 2018. Targeting legume loci: A comparison of three methods for target enrichment bait design in Leguminosae phylogenomics. Applications in Plant Sciences 6(3): e01036
View article: PEATmoss (<i>Physcomitrella</i> Expression Atlas Tool): a unified gene expression atlas for the model plant <i>Physcomitrella patens</i>
PEATmoss (<i>Physcomitrella</i> Expression Atlas Tool): a unified gene expression atlas for the model plant <i>Physcomitrella patens</i> Open
Summary Physcomitrella patens is a bryophyte model plant that is often used to study plant evolution and development. Its resources are of great importance for comparative genomics and evo‐devo approaches. However, expression data from Phy…
View article: Rapid and independent evolution of ancestral and novel defenses in a genus of toxic plants (<i>Erysimum</i>, Brassicaceae)
Rapid and independent evolution of ancestral and novel defenses in a genus of toxic plants (<i>Erysimum</i>, Brassicaceae) Open
Phytochemical diversity is thought to result from coevolutionary cycles as specialization in herbivores imposes diversifying selection on plant chemical defenses. Plants in the speciose genus Erysimum (Brassicaceae) produce both ancestral …
View article: Natural variation for unusual host responses and flagellin‐mediated immunity against <i>Pseudomonas syringae</i> in genetically diverse tomato accessions
Natural variation for unusual host responses and flagellin‐mediated immunity against <i>Pseudomonas syringae</i> in genetically diverse tomato accessions Open
Summary The interaction between tomato and Pseudomonas syringae pv tomato ( Pst ) is a well‐developed model for investigating the molecular basis of the plant immune system. There is extensive natural variation in Solanum lycopersicum (tom…
View article: Natural variation for unusual host responses and flagellin-mediated immunity against<i>Pseudomonas syringae</i>in genetically diverse tomato accessions
Natural variation for unusual host responses and flagellin-mediated immunity against<i>Pseudomonas syringae</i>in genetically diverse tomato accessions Open
The interaction between tomato and Pseudomonas syringae pv. tomato ( Pst ) is a well-developed model for investigating the molecular basis of the plant immune system. There is extensive natural variation in Solanum lycopersicum (tomato) bu…
View article: Sequencing‐Based Bin Map Construction of a Tomato Mapping Population, Facilitating High‐Resolution Quantitative Trait Loci Detection
Sequencing‐Based Bin Map Construction of a Tomato Mapping Population, Facilitating High‐Resolution Quantitative Trait Loci Detection Open
Genotyping‐by‐sequencing (GBS) was employed to construct a highly saturated genetic linkage map of a tomato ( Solanum lycopersicum L.) recombinant inbred line (RIL) population, derived from a cross between cultivar NC EBR‐1 and the wild to…
View article: Targeting legume loci: A comparison of three methods for target enrichment bait design in Leguminosae phylogenomics
Targeting legume loci: A comparison of three methods for target enrichment bait design in Leguminosae phylogenomics Open
Premise of the Study The development of pipelines for locus discovery has spurred the use of target enrichment for plant phylogenomics. However, few studies have compared pipelines from locus discovery and bait design, through validation, …