Download full-text PDF |
Source |
|---|
Publication Analysis
Top Keywords
Similar Publications
Variable stressor exposure shapes fitness within and across generations.
Sci Rep
January 2025
Aquatic Ecology, Department of Biology, Lund University, Lund, Sweden.
Environmental variation has long been considered a key driver of evolutionary change, predicted to shape different strategies, such as genetic specialization, plasticity, or bet-hedging to maintain fitness. However, little evidence is available with regards to how the periodicity of stressors may impact fitness across generations. To address this gap, I conducted a reciprocal split-brood experiment using the freshwater crustacean, Daphnia magna, and an ecologically relevant environmental stressor, ultraviolet radiation (UVR).
View Article and Find Full Text PDFDecay of self-incompatibility within a lifespan in Physalis acutifolia (Solanaceae).
Plant Reprod
January 2025
Department of Ecology and Evolutionary Biology, University of Colorado, 1900 Pleasant Street, Boulder, CO, 80309, USA.
Self-incompatibility decays with age in plants of Physalis acutifolia, and plants that have transitioned to selfing produce fewer seeds but with comparable viability. Self-compatibility in this system is closely related to flower size, which is in turn dependent on the direction of the cross, suggesting parental effects on both morphology and compatibility. The sharpleaf groundcherry, Physalis acutifolia, is polymorphic for self-compatibility, with naturally occurring self-incompatible (SI) and self-compatible (SC) populations.
View Article and Find Full Text PDFMaternal deposition of hormones and contaminants shape the gonadal transcriptome in American alligators.
Proc Biol Sci
January 2025
Eugene P. Odum School of Ecology, University of Georgia, Athens, GA, USA.
Environmental conditions influence the maternal deposition of hormones into eggs, which is hypothesized to adaptively modify developmental outcomes in offspring. However, most ecosystems harbour environmental contaminants capable of disrupting endocrine signaling, and maternal exposure to these compounds has the potential to further alter offspring traits. Studies rarely examine maternally derived hormones and contaminants along with offspring phenotypes, and we know little about their interrelationships and potential interactions.
View Article and Find Full Text PDFGeographic differences in the phenology of gonadal development and moult, but not of egg laying, are genetically based in a small songbird.
Proc Biol Sci
January 2025
Department of Animal Ecology, Netherlands Institute of Ecology (NIOO-KNAW), Wageningen, The Netherlands.
To forecast how fast populations can adapt to climate change, it is essential to determine the evolutionary potential of different life-cycle stages under selection. In birds, timing of gonadal development and moult are primarily regulated by photoperiod, while laying date is highly phenotypically plastic to temperature. We tested whether geographic variation in phenology of these life-cycle events between populations of great tits () has a genetic basis, indicating that contemporary genetic adaptation is possible.
View Article and Find Full Text PDFKin discrimination causes plastic responses in floral and clonal allocation.
Proc Biol Sci
January 2025
Department of Biology, Queen's University, Kingston, Ontario, Canada.
The composition of a plant's neighbourhood shapes its competitive interactions. Neighbours may be related individuals due to limited seed dispersal or clonal growth, so that the ability to recognize and respond to the presence of kin is beneficial. Here, we ask whether plants plastically adjust their floral and clonal allocation in response to their neighbour's identity.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!