Adriana D. Briscoe
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View article: Phylogeny, systematics and evolution of mimicry patterns in Neotropical limenitidine butterflies
Phylogeny, systematics and evolution of mimicry patterns in Neotropical limenitidine butterflies Open
The Neotropical butterfly genus Adelpha Hübner exhibits remarkable species diversity and striking convergence in wing colour patterns potentially explained by mimicry, making it an exceptional model for exploring trait evolution and its re…
View article: Graded opsin co-expression along the butterfly retina fine tunes the spectral sensitivity of a colour-opponent cell across the visual field
Graded opsin co-expression along the butterfly retina fine tunes the spectral sensitivity of a colour-opponent cell across the visual field Open
Compound eyes deliver a vast stream of information to the tiny insect brains. To maximize the information content and minimize the redundancy of neural signals, insect eyes are built so to encode the relevant and filter out the unimportant…
View article: Phylogeny, systematics and evolution of mimicry patterns in Neotropical limenitidine butterflies
Phylogeny, systematics and evolution of mimicry patterns in Neotropical limenitidine butterflies Open
The Neotropical butterfly genus Adelpha Hübner exhibits remarkable species diversity and striking convergence in wing colour patterns potentially explained by mimicry, making it an exceptional model for exploring trait evolution and its re…
View article: Evolution of opsin genes in closely-related species of butterflies specialized in different microhabitats
Evolution of opsin genes in closely-related species of butterflies specialized in different microhabitats Open
Multiple selective pressures can shape the evolution of color vision in animals, by acting on the co- evolution of the opsin genes. How do adaptive processes shape the duplications of opsins, the evolution of their amino acids and the modi…
View article: “Despedida”: My great great grandfather’s corrido about the Mexican repatriation
“Despedida”: My great great grandfather’s corrido about the Mexican repatriation Open
View article: In memoriam: Ward Watt (1940–2024)
In memoriam: Ward Watt (1940–2024) Open
View article: Trichromacy is insufficient for mate detection in a mimetic butterfly
Trichromacy is insufficient for mate detection in a mimetic butterfly Open
View article: Mimetic butterfly wings through mimetic butterfly eyes
Mimetic butterfly wings through mimetic butterfly eyes Open
Color vision is thought to play a key role in the evolution of animal coloration, while achromatic vision is rarely considered as a mechanism for species recognition. Here we test the hypothesis that brightness vision rather than color vis…
View article: Sex-linked gene traffic underlies the acquisition of sexually dimorphic UV color vision in <i>Heliconius</i> butterflies
Sex-linked gene traffic underlies the acquisition of sexually dimorphic UV color vision in <i>Heliconius</i> butterflies Open
The acquisition of novel sexually dimorphic traits poses an evolutionary puzzle: How do new traits arise and become sex-limited? Recently acquired color vision, sexually dimorphic in animals like primates and butterflies, presents a compel…
View article: Impact of pollen-feeding on egg-laying and cyanogenic glucoside abundance in red postman butterflies
Impact of pollen-feeding on egg-laying and cyanogenic glucoside abundance in red postman butterflies Open
A recommendation of: Erika C. Pinheiro de Castro, Josie McPherson, Glennis Jullian, Anniina L. K. Mattila, Søren Bak, Stephen Montgomery, Chris Jiggins Pollen-feeding delays reproductive senescence and maintains toxicity of Heliconius erat…
View article: Insect opsins and evo-devo: what have we learned in 25 years?
Insect opsins and evo-devo: what have we learned in 25 years? Open
The visual pigments known as opsins are the primary molecular basis for colour vision in animals. Insects are among the most diverse of animal groups and their visual systems reflect a variety of life histories. The study of insect opsins …
View article: Sex-linked gene traffic underlies the acquisition of sexually dimorphic UV color vision in <i>Heliconius</i> butterflies
Sex-linked gene traffic underlies the acquisition of sexually dimorphic UV color vision in <i>Heliconius</i> butterflies Open
Butterflies have photoreceptor cells that are sensitive to the ultraviolet part of the spectrum due to ultraviolet-sensitive rhodopsin ( UVRh ), a gene that has been duplicated in the Heliconius genus. In individuals expressing UVRh1 and U…
View article: Multiple Mechanisms of Photoreceptor Spectral Tuning in<i>Heliconius</i>Butterflies
Multiple Mechanisms of Photoreceptor Spectral Tuning in<i>Heliconius</i>Butterflies Open
The evolution of color vision is often studied through the lens of receptor gain relative to an ancestor with fewer spectral classes of photoreceptor. For instance, in Heliconius butterflies, a genus-specific UVRh opsin duplication led to …
View article: Air temperature drives the evolution of mid-infrared optical properties of butterfly wings
Air temperature drives the evolution of mid-infrared optical properties of butterfly wings Open
View article: True UV color vision in a female butterfly with two UV opsins
True UV color vision in a female butterfly with two UV opsins Open
In true color vision, animals discriminate between light wavelengths, regardless of intensity, using at least two photoreceptors with different spectral sensitivity peaks. Heliconius butterflies have duplicate UV opsin genes, which encode …
View article: Multiple mechanisms of photoreceptor spectral tuning following loss of UV color vision in<i>Heliconius</i>butterflies
Multiple mechanisms of photoreceptor spectral tuning following loss of UV color vision in<i>Heliconius</i>butterflies Open
Color vision modifications occur in animals via a process known as spectral tuning. In Heliconius butterflies, a genus-specific UVRh opsin duplication led to the evolution of UV color discrimination in Heliconius erato females, a rare trai…
View article: True UV color vision in a butterfly with two UV opsins
True UV color vision in a butterfly with two UV opsins Open
True color vision in animals is achieved when wavelength discrimination occurs based on chromatic content of the stimuli, regardless of intensity. In order to successfully discriminate between multiple wavelengths, animals must use at leas…
View article: Adriana Briscoe
Adriana Briscoe Open
View article: From the butterfly’s point of view: learned colour association determines differential pollination of two co-occurring mock verbains by<i>Agraulis vanillae</i>(Nymphalidae)
From the butterfly’s point of view: learned colour association determines differential pollination of two co-occurring mock verbains by<i>Agraulis vanillae</i>(Nymphalidae) Open
Learning plays an important role in the location and utilization of nectar sources for pollinators. In this work we focus on the plant-pollinator interaction between the butterfly Agraulis vanillae (Nymphalidae) and two Glandularia plant s…
View article: Disentangling Population History and Character Evolution among Hybridizing Lineages
Disentangling Population History and Character Evolution among Hybridizing Lineages Open
Understanding the origin and maintenance of adaptive phenotypic novelty is a central goal of evolutionary biology. However, both hybridization and incomplete lineage sorting can lead to genealogical discordance between the regions of the g…
View article: Infrared optical and thermal properties of microstructures in butterfly wings
Infrared optical and thermal properties of microstructures in butterfly wings Open
While surface microstructures of butterfly wings have been extensively studied for their structural coloration or optical properties within the visible spectrum, their properties in infrared wavelengths with potential ties to thermoregulat…
View article: A two-step method for identifying photopigment opsin and <i>rhodopsin</i> gene sequences underlying human color vision phenotypes.
A two-step method for identifying photopigment opsin and <i>rhodopsin</i> gene sequences underlying human color vision phenotypes. Open
This LR-PCR-Seq procedure (single PCR reaction per gene followed by sequencing) can identify exonic and intronic SNP variants in OPN1LW, OPN1MW, OPN1SW, and rhodopsin genes. There is no need for restriction enzy…
View article: Drift and Directional Selection Are the Evolutionary Forces Driving Gene Expression Divergence in Eye and Brain Tissue of <i>Heliconius</i> Butterflies
Drift and Directional Selection Are the Evolutionary Forces Driving Gene Expression Divergence in Eye and Brain Tissue of <i>Heliconius</i> Butterflies Open
Characterization of gene expression patterns across species - and the evolutionary forces driving them - can reveal processes that have remained conserved across species, as well as those that have changed in a species- specific manner... …
View article: Evolution of Phototransduction Genes in Lepidoptera
Evolution of Phototransduction Genes in Lepidoptera Open
Vision is underpinned by phototransduction, a signaling cascade that converts light energy into an electrical signal. Among insects, phototransduction is best understood in Drosophila melanogaster. Comparison of D. melanogaster against thr…
View article: Evolution of Phototransduction Genes in Lepidoptera
Evolution of Phototransduction Genes in Lepidoptera Open
Vision is underpinned by phototransduction, a signaling cascade that converts light energy into an electrical signal. Among insects, phototransduction is best understood in Drosophila melanogaster. A survey of phototransduction genes in fo…
View article: Drift and directional selection are the evolutionary forces driving gene expression divergence in eye and brain tissue of<i>Heliconius</i>butterflies
Drift and directional selection are the evolutionary forces driving gene expression divergence in eye and brain tissue of<i>Heliconius</i>butterflies Open
Investigating gene expression evolution over micro- and macroevolutionary timescales will expand our understanding of the role of gene expression in adaptation and speciation. In this study, we characterized which evolutionary forces are a…
View article: Experimental field tests of Batesian mimicry in the swallowtail butterfly <i>Papilio polytes</i>
Experimental field tests of Batesian mimicry in the swallowtail butterfly <i>Papilio polytes</i> Open
The swallowtail butterfly Papilio polytes is known for its striking resemblance in wing pattern to the toxic butterfly Pachliopta aristolochiae and is a focal system for the study of mimicry evolution. Papilio polytes females are polymorph…
View article: Evolution of Sex-Biased Gene Expression and Dosage Compensation in the Eye and Brain of Heliconius Butterflies
Evolution of Sex-Biased Gene Expression and Dosage Compensation in the Eye and Brain of Heliconius Butterflies Open
Differences in behavior and life history traits between females and males are the basis of divergent selective pressures between sexes. It has been suggested that a way for the two sexes to deal with different life history requirements is …
View article: Frequency dependence shapes the adaptive landscape of imperfect Batesian mimicry
Frequency dependence shapes the adaptive landscape of imperfect Batesian mimicry Open
Despite more than a century of biological research on the evolution and maintenance of mimetic signals, the relative frequencies of models and mimics necessary to establish and maintain Batesian mimicry in natural populations remain unders…
View article: Evolutionary and structural analyses uncover a role for solvent interactions in the diversification of cocoonases in butterflies
Evolutionary and structural analyses uncover a role for solvent interactions in the diversification of cocoonases in butterflies Open
Multi-omic approaches promise to supply the power to detect genes underlying disease and fitness-related phenotypes. Optimal use of the resulting profusion of data requires detailed investigation of individual candidate genes, a challengin…