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Divergence in genetic (co)variances and the alignment of gmax with phenotypic divergence.
Evolution
January 2025
Department of Biology, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada.
To better understand the sources of biological diversity in nature, we need information on the mechanisms underlying population divergence. Biological systems with patterns of naturally occurring adaptive variation among populations can provide insight into the genetic architecture of diverging traits and the influence of genetic constraints on responses to selection. Using a system of reproductive character displacement in the North American mushroom-feeding fly Drosophila subquinaria, we assessed patterns of genetic (co)variance among a suite of chemical signaling traits and divergence in this pattern among populations.
View Article and Find Full Text PDFFrom anecdotes to evidence: Environmental DNA detection of Arctic charr (Salvelinus alpinus L.) at the southern limit of its circumpolar range.
J Fish Biol
January 2025
School of Biological and Behavioural Sciences, Queen Mary University of London, London, UK.
The urgency of rapid species monitoring is at an all-time high due to the increasing threat of climate change to global ecosystems, in particular freshwater habitats. Fish such as Arctic charr, Salvelinus alpinus, are particularly vulnerable to increasing water temperatures and changes in land use due to their dependence on cold waters and confinement to lacustrine environments. Nonetheless, current monitoring practices, relying on physical capture of organisms, are hindered by resource constraints, desire to manage habitats for recreational fishing, and restricted access to sites.
View Article and Find Full Text PDFDispersal of influenza virus populations within the respiratory tract shapes their evolutionary potential.
Proc Natl Acad Sci U S A
January 2025
Department of Microbiology and Immunology, Emory University School of Medicine, Atlanta, GA 30322.
Viral infections are characterized by dispersal from an initial site to secondary locations within the host. How the resultant spatial heterogeneity shapes within-host genetic diversity and viral evolutionary pathways is poorly understood. Here, we show that virus dispersal within and between the nasal cavity and trachea maintains diversity and is therefore conducive to adaptive evolution, whereas dispersal to the lungs gives rise to population heterogeneity.
View Article and Find Full Text PDFMultimodal multiobjective optimization with structural network control principles to optimize personalized drug targets for drug discovery of individual patients.
Brief Bioinform
November 2024
School of Electrical and Information Engineering, Zhengzhou University, No. 100, Science Avenue, Hightech District, Zhengzhou City 450001, Henan Province, China.
Structural network control principles provided novel and efficient clues for the optimization of personalized drug targets (PDTs) related to state transitions of individual patients. However, most existing methods focus on one subnetwork or module as drug targets through the identification of the minimal set of driver nodes and ignore the state transition capabilities of other modules with different configurations of drug targets [i.e.
View Article and Find Full Text PDFThe Plant Ionome as a Functional Trait: Variation across Bioclimatic Regions and Functional Groups.
Physiol Plant
January 2025
School of Plant Sciences and Food Security, Faculty of Life Sciences, Tel Aviv University, Israel.
Plant chemical composition is a trait gaining increasing importance in plant ecology. However, there is limited research on the patterns and drivers of its variation among different plant functional groups and bioclimatic regions. We conducted an analysis of ionomes utilising X-ray fluorescence on 83 plant species from four distinct functional groups (grasses, legumes, forbs and woody species); we marked plots across 15 sites located in both the desert and Mediterranean bioclimatic regions.
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