Mitchell J. Feldmann
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View article: Whole‐genome sequencing bulked segregant analysis uncovered <i>FW7</i> , a Fusarium wilt resistance gene masked by epistasis in octoploid strawberry
Whole‐genome sequencing bulked segregant analysis uncovered <i>FW7</i> , a Fusarium wilt resistance gene masked by epistasis in octoploid strawberry Open
Fusarium wilt, a vascular disease of strawberry ( Fragaria ananassa ) caused by the soilborne fungal pathogen Fusarium oxysporum f. sp. fragariae , has emerged over the past 20 years as a leading cause of severe plant wilt and death in Cal…
View article: Pathogenesis-related proteins are evolutionarily conserved across diploid and octoploid Fragaria species
Pathogenesis-related proteins are evolutionarily conserved across diploid and octoploid Fragaria species Open
Background: Pathogenesis-related (PR) proteins are induced in response to infection and contribute to immunity through a variety of mechanisms. To date, 19 families of PR proteins with roles in resistance to bacteria, fungi, and insects ha…
View article: The <i>PERPETUAL FLOWERING</i> locus: Necessary but insufficient for genomic prediction of runnerless and other asexual reproduction phenotypes in strawberry
The <i>PERPETUAL FLOWERING</i> locus: Necessary but insufficient for genomic prediction of runnerless and other asexual reproduction phenotypes in strawberry Open
Strawberry ( Fragaria ananassa ) reproduces sexually through seeds and asexually through stolons. The ability to cost‐effectively clonally propagate hybrid individuals on a large scale has shaped strawberry breeding and production practice…
View article: Unraveling the <i>Fusarium oxysporum</i> f. sp. <i>fragariae</i> –Strawberry Interaction: Evolution, Infection, and Genetic Resistance
Unraveling the <i>Fusarium oxysporum</i> f. sp. <i>fragariae</i> –Strawberry Interaction: Evolution, Infection, and Genetic Resistance Open
Fusarium wilt of strawberry, caused by the soilborne fungal pathogen Fusarium oxysporum f. sp. fragariae ( Fof), is one of the greatest threats to cultivated strawberry. The pathogen penetrates strawberry plants through roots, severely aff…
View article: Do not benchmark phenomic prediction against genomic prediction accuracy
Do not benchmark phenomic prediction against genomic prediction accuracy Open
Phenomic selection is a new paradigm in plant breeding that uses high‐throughput phenotyping technologies and machine learning models to predict traits of new individuals and make selections. This can allow breeders to evaluate more plants…
View article: Genome-Wide Discovery and Characterization of Terpene Synthases Contributing to Strawberry Aroma Metabolism
Genome-Wide Discovery and Characterization of Terpene Synthases Contributing to Strawberry Aroma Metabolism Open
Summary Strawberry ( Fragaria X ananassa ) is a globally cultivated fruit crop valued for its unique flavor and aroma. Major groups of volatile organic compounds that contribute to strawberry aroma include terpenes, fatty acid esters, fura…
View article: Sustaining public plant breeding programs across generations
Sustaining public plant breeding programs across generations Open
Plant breeding in the public sector is a multigenerational process that creates new plant varieties intended to meet current and future needs of society. Many public sector plant breeding programs are over a century old, and they continue …
View article: The <i>PERPETUAL FLOWERING</i> Locus: Necessary But Insufficient for Genomic Prediction of Runnerless and Other Asexual Reproduction Phenotypes in Strawberry
The <i>PERPETUAL FLOWERING</i> Locus: Necessary But Insufficient for Genomic Prediction of Runnerless and Other Asexual Reproduction Phenotypes in Strawberry Open
Strawberry ( Fragaria × ananassa ) reproduces sexually through seeds and asexually through stolons. The ability to cost-effectively clonally propagate hybrid individuals on a large scale has profoundly shaped strawberry breeding and produc…
View article: Don’t Benchmark Phenomic Prediction Against Genomic Prediction Accuracy
Don’t Benchmark Phenomic Prediction Against Genomic Prediction Accuracy Open
Phenomic selection is a new paradigm in plant breeding that uses high-throughput phenotyping technologies and machine learning models to predict traits of new individuals and make selections. This can allow breeders to evaluate more plants…
View article: Why usefulness is rarely useful
Why usefulness is rarely useful Open
Mate selection plays an important role in breeding programs. The Usefulness Criterion was proposed to improve mate selection, combining information on both the mean and standard deviation of the potential offspring of a cross, particularly…
View article: Loss-of-function mutations in the fruit softening gene <i>POLYGALACTURONASE1</i> doubled fruit firmness in strawberry
Loss-of-function mutations in the fruit softening gene <i>POLYGALACTURONASE1</i> doubled fruit firmness in strawberry Open
Wildtype fruit of cultivated strawberry (Fragaria $\times$ ananassa) are typically soft and highly perishable when fully ripe. The development of firm-fruited cultivars by phenotypic selection has greatly increased shelf-life, decreased po…
View article: Genomic Architecture of the Resistance to Phytophthora Cactorum 2 (RPc2) Locus in Strawberry (Fragaria × ananassa)
Genomic Architecture of the Resistance to Phytophthora Cactorum 2 (RPc2) Locus in Strawberry (Fragaria × ananassa) Open
Phytophthora crown rot (PhCR), caused by Phytophthora cactorum, is a soilborne disease with broad impacts to cultivated strawberries in the United States and worldwide. While a resistance locus, RPc2, has been identified in octoploid straw…
View article: A dominance hypothesis argument for historical genetic gains and the fixation of heterosis in octoploid strawberry
A dominance hypothesis argument for historical genetic gains and the fixation of heterosis in octoploid strawberry Open
Heterosis was the catalyst for the domestication of cultivated strawberry (Fragaria×ananassa), an interspecific hybrid species that originated in the 1700s. The hybrid origin was discovered because the phenotypes of spontaneous hybrids tra…
View article: Why is usefulness rarely useful
Why is usefulness rarely useful Open
Mate selection plays an important role in breeding programs. The usefulness criterion was proposed as a criterion for mate selection, combining information on both the mean and standard deviation of the potential offspring, particularly in…
View article: <i>Secreted in Xylem 6</i> (<i>SIX6</i>) Mediates <i>Fusarium oxysporum</i> f. sp. <i>fragariae</i> Race 1 Avirulence on <i>FW1</i>-Resistant Strawberry Cultivars
<i>Secreted in Xylem 6</i> (<i>SIX6</i>) Mediates <i>Fusarium oxysporum</i> f. sp. <i>fragariae</i> Race 1 Avirulence on <i>FW1</i>-Resistant Strawberry Cultivars Open
Fusarium oxysporum f. sp. fragariae ( Fof) race 1 is avirulent on cultivars with the dominant resistance gene FW1, while Fof race 2 is virulent on FW1-resistant cultivars. We hypothesized there was a gene-for-gene interaction between a gen…
View article: Transgressive segregation, hopeful monsters, and phenotypic selection drove rapid genetic gains and breakthroughs in predictive breeding for quantitative resistance to <i>Macrophomina</i> in strawberry
Transgressive segregation, hopeful monsters, and phenotypic selection drove rapid genetic gains and breakthroughs in predictive breeding for quantitative resistance to <i>Macrophomina</i> in strawberry Open
Two decades have passed since the strawberry (Fragaria x ananassa) disease caused by Macrophomina phaseolina, a necrotrophic soilborne fungal pathogen, began surfacing in California, Florida, and elsewhere. This disease has since become on…
View article: Accelerating genetic gains for quantitative resistance to verticillium wilt through predictive breeding in strawberry
Accelerating genetic gains for quantitative resistance to verticillium wilt through predictive breeding in strawberry Open
Verticillium wilt (VW), a devastating vascular wilt disease of strawberry ( Fragaria ananassa ), has caused economic losses for nearly a century. This disease is caused by the soil‐borne pathogen Verticillium dahliae , which occurs nearly …
View article: A medium‐density genotyping platform for cultivated strawberry using DArTag technology
A medium‐density genotyping platform for cultivated strawberry using DArTag technology Open
Genomic prediction in breeding populations containing hundreds to thousands of parents and seedlings is prohibitively expensive with current high‐density genetic marker platforms designed for strawberry. We developed mid‐density panels of …
View article: Uncovering genetic and metabolite markers associated with resistance against anthracnose fruit rot in northern highbush blueberry
Uncovering genetic and metabolite markers associated with resistance against anthracnose fruit rot in northern highbush blueberry Open
Anthracnose fruit rot (AFR), caused by the fungal pathogen Colletotrichum fioriniae, is among the most destructive and widespread fruit disease of blueberry, impacting both yield and overall fruit quality. Blueberry cultivars have highly v…
View article: Diamonds in the not-so-rough: Wild relative diversity hidden in crop genomes
Diamonds in the not-so-rough: Wild relative diversity hidden in crop genomes Open
Crop production is becoming an increasing challenge as the global population grows and the climate changes. Modern cultivated crop species are selected for productivity under optimal growth environments and have often lost genetic variants…
View article: Complex traits and candidate genes: estimation of genetic variance components across multiple genetic architectures
Complex traits and candidate genes: estimation of genetic variance components across multiple genetic architectures Open
Large-effect loci—those statistically significant loci discovered by genome-wide association studies or linkage mapping—associated with key traits segregate amidst a background of minor, often undetectable, genetic effects in wild and dome…
View article: Diamonds in the Not-So-Rough: Wild Relative Diversity Hidden in Crop Genomes
Diamonds in the Not-So-Rough: Wild Relative Diversity Hidden in Crop Genomes Open
Cultivated species have reduced genetic diversity relative to their closest wild relatives. Domestication also changes the type and effect of polymorphic variants in domesticates. Cultivated species selected for productivity under optimal …
View article: Genetic Gains Underpinning a Strawberry Green Revolution
Genetic Gains Underpinning a Strawberry Green Revolution Open
The Green Revolutions in fruits and vegetables have been less well documented but collectively as important to global food security and human well-being as the Green Revolutions in wheat, rice, and other cereals. Using an unparalleled coll…
View article: Harnessing Underutilized Gene Bank Diversity and Genomic Prediction of Cross Usefulness to Enhance Resistance to Phytophthora cactorum in Strawberry
Harnessing Underutilized Gene Bank Diversity and Genomic Prediction of Cross Usefulness to Enhance Resistance to Phytophthora cactorum in Strawberry Open
The development of strawberry ( Fragaria × ananassa ) cultivars resistant to Phytophthora crown rot (PhCR), a devastating disease caused by the soil-borne pathogen Phytophthora cactorum , has been challenging, partly because resistance phe…
View article: Harnessing underutilized gene bank diversity and genomic prediction of cross usefulness to enhance resistance to <i>Phytophthora cactorum</i> in strawberry
Harnessing underutilized gene bank diversity and genomic prediction of cross usefulness to enhance resistance to <i>Phytophthora cactorum</i> in strawberry Open
The development of strawberry ( Fragaria × ananassa Duchesne ex Rozier) cultivars resistant to Phytophthora crown rot (PhCR), a devastating disease caused by the soil‐borne pathogen Phytophthora cactorum (Lebert & Cohn) J. Schröt., has bee…
View article: NAPPN Annual Conference Abstract: Opportunities for replacing inefficient but direct measures with rapid, indirect predictors of fruit quality in field grown strawberry with digital sensors
NAPPN Annual Conference Abstract: Opportunities for replacing inefficient but direct measures with rapid, indirect predictors of fruit quality in field grown strawberry with digital sensors Open
Holistic assessment of fruit quality is an essential component of producing Strawberry varieties that will succeed in the marketplace and improve consumer satisfaction. However, several key quantitative traits are notoriously slow and expe…
View article: Data for "Complex Traits and Candidate Genes"
Data for "Complex Traits and Candidate Genes" Open
This repository contains the simulation code and output for the main simulations from "Complex Traits and Candidate Genes: Estimation of Genetic Variance Components Across Modes of Inheritance" https://www.biorxiv.org/content/10.1101/2022.…
View article: Data for "Complex Traits and Candidate Genes"
Data for "Complex Traits and Candidate Genes" Open
This repository contains the simulation code and output for the main simulations from "Complex Traits and Candidate Genes: Estimation of Genetic Variance Components Across Modes of Inheritance" https://www.biorxiv.org/content/10.1101/2022.…