Search Results - "Josephs, Emily B"

Determining the evolutionary forces shaping G × E by Josephs, Emily B.

“…Phenotypic plasticity is common in nature, yet we lack a comprehensive understanding of the evolutionary forces that shape genetic variation for plasticity…”
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What can genome-wide association studies tell us about the evolutionary forces maintaining genetic variation for quantitative traits? by Josephs, Emily B., Stinchcombe, John R., Wright, Stephen I.

“…Understanding the evolutionary forces that shape genetic variation within species has long been a goal of evolutionary biology. Integrating data for the…”
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Taking quantitative genomics into the wild by Johnston, Susan E, Chen, Nancy, Josephs, Emily B

“…We organized this special issue to highlight new work and review recent advances at the cutting edge of 'wild quantitative genomics'. In this editorial, we…”
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Association mapping reveals the role of purifying selection in the maintenance of genomic variation in gene expression by Josephs, Emily B., Lee, Young Wha, Stinchcombe, John R., Wright, Stephen I.

“…The evolutionary forces that maintain genetic variation in quantitative traits within populations remain poorly understood. One hypothesis suggests that…”
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Evaluating niche changes during invasion with seasonal models in Capsella bursa‐pastoris by Wilson Brown, Maya K., Josephs, Emily B.

“…Premise Researchers often use ecological niche models to predict where species might establish and persist under future or novel climate conditions. However,…”
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Hybrid origins and the earliest stages of diploidization in the highly successful recent polyploid Capsella bursa-pastoris by Douglas, Gavin M, Gos, Gesseca, Steige, Kim A, Salcedo, Adriana, Holm, Karl, Josephs, Emily B, Arunkumar, Ramesh, Ågren, J Arvid, Hazzouri, Khaled M, Wang, Wei, Platts, Adrian E, Williamson, Robert J, Neuffer, Barbara, Lascoux, Martin, Slotte, Tanja, Wright, Stephen I

“…Significance Plants have undergone repeated rounds of whole-genome duplication, followed by gene degeneration and loss. Using whole-genome resequencing, we…”
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Evidence for widespread positive and negative selection in coding and conserved noncoding regions of Capsella grandiflora by Williamson, Robert J, Josephs, Emily B, Platts, Adrian E, Hazzouri, Khaled M, Haudry, Annabelle, Blanchette, Mathieu, Wright, Stephen I

“…The extent that both positive and negative selection vary across different portions of plant genomes remains poorly understood. Here, we sequence whole genomes…”
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Divergent sorting of a balanced ancestral polymorphism underlies the establishment of gene-flow barriers in Capsella by Sicard, Adrien, Kappel, Christian, Josephs, Emily B., Lee, Young Wha, Marona, Cindy, Stinchcombe, John R., Wright, Stephen I., Lenhard, Michael

“…In the Bateson–Dobzhansky–Muller model of genetic incompatibilities post-zygotic gene-flow barriers arise by fixation of novel alleles at interacting loci in…”
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On the Trail of Linked Selection by Josephs, Emily B, Wright, Stephen I

“…Since this alternative mechanism was first proposed, understanding the relative importance of positive and negative selection on linked neutral diversity has…”
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Adaptive and maladaptive expression plasticity underlying herbicide resistance in an agricultural weed by Josephs, Emily B., Van Etten, Megan L., Harkess, Alex, Platts, Adrian, Baucom, Regina S.

“…Plastic phenotypic responses to environmental change are common, yet we lack a clear understanding of the fitness consequences of these plastic responses…”
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Gene expression links genotype and phenotype during rapid adaptation by Josephs, Emily B.

“…Natural environments can change quickly and organisms living in these environments can either move, go extinct, or persist through rapid adaptation…”
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Weaker selection on genes with treatment-specific expression consistent with a limit on plasticity evolution in Arabidopsis thaliana by Roberts, Miles, Josephs, Emily B

“…Abstract Differential gene expression between environments often underlies phenotypic plasticity. However, environment-specific expression patterns are…”
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The important contribution of transposable elements to phenotypic variation and evolution by Catlin, Nathan S., Josephs, Emily B.

“…Transposable elements (TEs) are responsible for significant genomic variation in plants. Our understanding of the evolutionary forces shaping TE polymorphism…”
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Genotype-environment associations to reveal the molecular basis of environmental adaptation by Lasky, Jesse R, Josephs, Emily B, Morris, Geoffrey P

“…A fundamental goal in plant biology is to identify and understand the variation underlying plants' adaptation to their environment. Climate change has given…”
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Local Adaptation: Causal Agents of Selection and Adaptive Trait Divergence by Wadgymar, Susana M, DeMarche, Megan L, Josephs, Emily B, Sheth, Seema N, Anderson, Jill T

“…Divergent selection across the landscape can favor the evolution of local adaptation in populations experiencing contrasting conditions. Local adaptation is…”
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Herbarium specimens reveal links between leaf shape of Capsella bursa‐pastoris and climate by Hightower, Asia T., Chitwood, Daniel H., Josephs, Emily B.

“…Abstract Premise Studies into the evolution and development of leaf shape have connected variation in plant form, function, and fitness. For species with…”
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Detecting Adaptive Differentiation in Structured Populations with Genomic Data and Common Gardens by Josephs, Emily B, Berg, Jeremy J, Ross-Ibarra, Jeffrey, Coop, Graham

“…Adaptation in quantitative traits often occurs through subtle shifts in allele frequencies at many loci-a process called polygenic adaptation. While a number…”
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Molecular Parallelism Underlies Convergent Highland Adaptation of Maize Landraces by Wang, Li, Josephs, Emily B, Lee, Kristin M, Roberts, Lucas M, Rellán-Álvarez, Rubén, Ross-Ibarra, Jeffrey, Hufford, Matthew B

“…Abstract Convergent phenotypic evolution provides some of the strongest evidence for adaptation. However, the extent to which recurrent phenotypic adaptation…”
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Pollen-specific, but not sperm-specific, genes show stronger purifying selection and higher rates of positive selection than sporophytic genes in Capsella grandiflora by Arunkumar, Ramesh, Josephs, Emily B, Williamson, Robert J, Wright, Stephen I

“…Selection on the gametophyte can be a major force shaping plant genomes as 7-11% of genes are expressed only in that phase and 60% of genes are expressed in…”
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Transposable Elements Are Important Contributors to Standing Variation in Gene Expression in Capsella Grandiflora by Uzunović, Jasmina, Josephs, Emily B, Stinchcombe, John R, Wright, Stephen I

“…Transposable elements (TEs) make up a significant portion of eukaryotic genomes and are important drivers of genome evolution. However, the extent to which TEs…”
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