Evolution Letters

A photo of Cardamine hirsuta showing a bifurcating green shoot with elongated leaves along the ends. A cluster of white flowers is starting to bloom in the middle of the shoot.

Alignment across taxonomic levels in strategies rather than in traits along elevational gradients
doi.org/10.1093/evle...

Now in @evolletters.bsky.social by Aaditya Narasimhan & Yvonne Willi

📷: Kevin Thiele

Temperature can reverse sexual conflict, facilitating population growth Abstract. Sexual conflict frequently gives rise to adaptations that increase male reproductive success at the expense of harming females (“male harm”) and

Temperature can reverse sexual conflict, facilitating population growth
doi.org/10.1093/evle...

Now in @evolletters.bsky.social by Roberto García-Roa et al.

A water flea of genus Daphnia in lateral view, showing an orange embryo in the brood pouch and greenish digestive tract through its transparent carapace. Credit: WikimediaCommons

Rapid temporal adaptation structures tolerance to toxic cyanobacteria in a natural population of the water flea Daphnia
doi.org/10.1093/evle...

Now in @evolletters.bsky.social by Maxime Fajgenblat et al.

📷: Janek Lass

A water flea of genus Daphnia in lateral view, showing an orange embryo in the brood pouch and greenish digestive tract through its transparent carapace. Credit: WikimediaCommons

Rapid temporal adaptation structures tolerance to toxic cyanobacteria in a natural population of the water flea Daphnia
doi.org/10.1093/evle...

Now in @evolletters.bsky.social by Maxime Fajgenblat et al.

📷: Janek Lass

Cover of the new issue of Evolution Letters @evolletters.bsky.social featuring our stickleback-tapeworm paper. academic.oup.com/evlett
What happens to immunity and infection prevalence in the 50 years after a host invades a new location

Figure showing the experimental overview as a graphic. Remaining alt text taken from the figure caption in the paper: (A) we sampled flies from six wild orchard populations ranging from Homestead, FL, to Lancaster, MA, and established isofemale lines in the laboratory. (B) We returned to a focal orchard in Media, PA, at early- and late-season timepoints and collected flies to capture evolutionary patterns following winter and summer conditions. (C) We then seeded outdoor mesocosms (N = 9) with an outbred population originating from early-season collections in Media, PA, and sampled flies at the end of summer (mid-season) and fall (late-season) to determine if seasonal patterns are recapitulated in experimental populations controlled for migration, drift, and cryptic population structure. (D) Across each wild or experimental context, we sampled flies, established lines in the lab, completed common garden treatment to remove environmental effects, and scored females for abdominal pigmentation. We also conducted pooled DNA sequencing on additional flies sampled from each population to map genomic patterns for candidate pigmentation SNPs.

How predictably does complex trait adaptation proceed over space and time in wild populations?
doi.org/10.1093/evle...

Now in @evolletters.bsky.social by @skylerberardi.bsky.social, @paulrschmidt.bsky.social et al.

📷: Dr. Rush Dhillon

A photo of a threespine stickleback (Gasterosteus aculeatus), a small, elongate fish with iridescent green color along the back and translucent fins.

Dynamics of infection and immunity over 50 years as marine stickleback adapt to freshwater
doi.org/10.1093/evle...

Now in @evolletters.bsky.social by Pranav Sriramulu et al.
📷: Gilles San Martin

Illustration of projected changes in leaves. Three possible scenarios are shown as green shoots of different lengths with different densities of projected leaves.

Changes to a leaf trait due to adaptive evolution and plasticity can rescue subalpine populations from the detrimental effects of climate change
doi.org/10.1093/evle...

Now in @evolletters.bsky.social by Diane R Campbell, @jellyturtle.bsky.social, and Justin Kipness

Illustration by J. Francis

Illustration of projected changes in leaves. Three possible scenarios are shown as green shoots of different lengths with different densities of projected leaves.

Changes to a leaf trait due to adaptive evolution and plasticity can rescue subalpine populations from the detrimental effects of climate change
doi.org/10.1093/evle...

Now in @evolletters.bsky.social by Diane R Campbell, @jellyturtle.bsky.social, and Justin Kipness

Illustration by J. Francis

A photo of prairie blazing star (Liatris pycnostachya), wild bergamot (Monarda fistulosa), and black-eyed Susan (Rudbeckia hirta) in bloom in the Big Stone National Wildlife Refuge in Minnesota.

Genetic divergence in population mean fitness is weakly associated with environmental and geographic distance in four prairie perennial forbs
doi.org/10.1093/evle...

Now in @evolletters.bsky.social by Anna R Peschel et al.

📷: Mike Budd/USFWS

A photo of prairie blazing star (Liatris pycnostachya), wild bergamot (Monarda fistulosa), and black-eyed Susan (Rudbeckia hirta) in bloom in the Big Stone National Wildlife Refuge in Minnesota.

Genetic divergence in population mean fitness is weakly associated with environmental and geographic distance in four prairie perennial forbs
doi.org/10.1093/evle...

Now in @evolletters.bsky.social by Anna R Peschel et al.

📷: Mike Budd/USFWS

Rostral (C) and caudal (D) view of volumetric reconstructions of the brains of wild male H. e. venus (left half) and H. chestertonii (right half)

Repeated evolution of reduced visual investment at the onset of ecological speciation in high-altitude Heliconius butterflies
doi.org/10.1093/evle...

Now in @evolletters.bsky.social by David F Rivas-Sánchez et al.

Rostral (C) and caudal (D) view of volumetric reconstructions of the brains of wild male H. e. venus (left half) and H. chestertonii (right half)

Repeated evolution of reduced visual investment at the onset of ecological speciation in high-altitude Heliconius butterflies
doi.org/10.1093/evle...

Now in @evolletters.bsky.social by David F Rivas-Sánchez et al.

Editorial: Accountability, voice, and trust - responsible use of GenAI in scientific publishing Over the last few years, the development and rapid advancement of Generative Artificial Intelligence (GenAI) and Large Language Models (LLMs) such as ChatG

Many of us are using LLMs in coding and scientific writing. They are very helpful tools, but we need to be thoughtful as we integrate them into our work flows to preserve accountability, voice and trust. academic.oup.com/evlett/advan.... An editorial at @evolletters.bsky.social for discussion:

A photo of Drosophila melanogaster on a leaf.

Continent-wide differentiation of fitness traits and patterns of climate adaptation among European populations of Drosophila melanogaster
doi.org/10.1093/evle...

Now in @evolletters.bsky.social by Esra Durmaz Mitchell et al.
Drosophila melanogaster

The evolution of reversible plasticity in stable environments Abstract. Reversible plasticity, i.e., the ability to deconstruct phenotypic specializations based on environmental conditions, is widespread in nature. De

The evolution of reversible plasticity in stable environments
doi.org/10.1093/evle...

Now in @evolletters.bsky.social by Nicole Walasek et al.

The evolution of reversible plasticity in stable environments Abstract. Reversible plasticity, i.e., the ability to deconstruct phenotypic specializations based on environmental conditions, is widespread in nature. De

The evolution of reversible plasticity in stable environments
doi.org/10.1093/evle...

Now in @evolletters.bsky.social by Nicole Walasek et al.

A photo of Drosophila melanogaster on a leaf.

Continent-wide differentiation of fitness traits and patterns of climate adaptation among European populations of Drosophila melanogaster
doi.org/10.1093/evle...

Now in @evolletters.bsky.social by Esra Durmaz Mitchell et al.
Drosophila melanogaster

A photo of a threespine stickleback (Gasterosteus aculeatus), a small, elongate fish with iridescent green color along the back and translucent fins.

Dynamics of infection and immunity over 50 years as marine stickleback adapt to freshwater
doi.org/10.1093/evle...

Now in @evolletters.bsky.social by Pranav Sriramulu et al.
📷: Gilles San Martin

Check out our paper in Evolution Letters!

We used D. melanogaster pigmentation as a focal trait to explore parallelism in phenotypic and genomic responses to environmental change - read more at the link below 👇

Figure showing the experimental overview as a graphic. Remaining alt text taken from the figure caption in the paper: (A) we sampled flies from six wild orchard populations ranging from Homestead, FL, to Lancaster, MA, and established isofemale lines in the laboratory. (B) We returned to a focal orchard in Media, PA, at early- and late-season timepoints and collected flies to capture evolutionary patterns following winter and summer conditions. (C) We then seeded outdoor mesocosms (N = 9) with an outbred population originating from early-season collections in Media, PA, and sampled flies at the end of summer (mid-season) and fall (late-season) to determine if seasonal patterns are recapitulated in experimental populations controlled for migration, drift, and cryptic population structure. (D) Across each wild or experimental context, we sampled flies, established lines in the lab, completed common garden treatment to remove environmental effects, and scored females for abdominal pigmentation. We also conducted pooled DNA sequencing on additional flies sampled from each population to map genomic patterns for candidate pigmentation SNPs.

How predictably does complex trait adaptation proceed over space and time in wild populations?
doi.org/10.1093/evle...

Now in @evolletters.bsky.social by @skylerberardi.bsky.social, @paulrschmidt.bsky.social et al.

📷: Dr. Rush Dhillon

Diverging Arabidopsis populations quickly accumulate pollen-acting genetic incompatibilities
doi.org/10.1093/evle...

Now in @evolletters.bsky.social by Christopher Condon et al.

A photo of the flowers of Arabidopsis thaliana, which has small white flowers with yellowy-green centers.

Predicting fitness in future climates: insights from temporally replicated field experiments in Arabidopsis thaliana
doi.org/10.1093/evle...

Now in @evolletters.bsky.social by Romain Villoutreix et al.

📷: Krzysztof Ziarnek

Repeated evolution of reduced visual investment at the onset of ecological speciation in high-altitude Heliconius butterflies Abstract. Colonization of new habitats is typically followed by divergent selection acting on traits that are immediately important for fitness. For exampl

New from @gadusmo.bsky.social’s PhD thesis 👐🏼 with @dickmerrill.bsky.social, Jake Morris, Camilo Salazar and Carolina Pardo-Díaz

‘Repeated evolution of reduced visual investment at the onset of ecological speciation in high-altitude #Heliconius butterflies’ 1/n 🧪

academic.oup.com/evlett/advan...

Dynamics of infection and immunity over 50 years as marine stickleback adapt to freshwater Abstract. When a species colonizes a new environment, it may encounter new parasites to which its immune system is poorly adapted. After an initial spike i

New paper in Evolution Letters @evolletters.bsky.social by an undergrad in my lab!
academic.oup.com/evlett/advan...
We modeled eco-evo dynamics of infection & immunity and then analyzed 50 years of data from stickleback & tapeworms (thanks to museum samples!)

Landscape structure as a driver of eco-evolution in host–parasite systems Abstract. Spatial network structure of biological systems drives ecology and evolution by distributing organisms and their genes. The ubiquitous host–paras

Landscape structure as a driver of eco-evolution in host–parasite systems
doi.org/10.1093/evle...

Now in @evolletters.bsky.social by J.N. Deshpande et al.

A photo of the flowers of Arabidopsis thaliana, which has small white flowers with yellowy-green centers.

Predicting fitness in future climates: insights from temporally replicated field experiments in Arabidopsis thaliana
doi.org/10.1093/evle...

Now in @evolletters.bsky.social by Romain Villoutreix et al.

📷: Krzysztof Ziarnek

Diverging Arabidopsis populations quickly accumulate pollen-acting genetic incompatibilities
doi.org/10.1093/evle...

Now in @evolletters.bsky.social by Christopher Condon et al.

Evolutionary trends in the emergence of skeletal cell types Abstract. Cell types are fundamental functional units of multicellular organisms. The evolutionary emergence of new cell types is underpinned by genetic ch

Evolutionary trends in the emergence of skeletal cell types
doi.org/10.1093/evle...

Now in @evolletters.bsky.social by Amor Damatac et al.

Replicate geographic transects across a hybrid zone reveal parallelism and differences in the genetic architecture of reproductive isolation Abstract. Determining the genetic architecture of traits involved in adaptation and speciation is one of the key components of understanding the evolutiona

Replicate geographic transects across a hybrid zone reveal parallelism and differences in the genetic architecture of reproductive isolation
doi.org/10.1093/evle...

Now in @evolletters.bsky.social by Georgy Semenov et al.