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Papers
5 resultsShowing papers from Evolutionary Genomics (United States)
ClearPolystyrene nanoplastics differentially influence the outcome of infection by two microparasites of the host <i>Daphnia magna</i>
Researchers exposed the water flea Daphnia magna to two different parasites in the presence of polystyrene nanoplastics. The study found that nanoplastic exposure dramatically increased infection rates by a fungal parasite while having no significant effect on a gut microsporidium, suggesting that nanoplastics can differentially affect host-parasite relationships and potentially favor parasite coexistence in aquatic environments.
Infectious disease ecology and evolution in a changing world
This study examines how changing environmental conditions, particularly thermal shifts, can influence infectious disease dynamics. The research suggests that temperature conditions can strongly affect both host and pathogen traits related to infection.
Polymer-specific toxicity of microplastics to Microcystis aeruginosa: Growth inhibition, physiological responses, and molecular mechanisms
Researchers exposed the cyanobacterium Microcystis aeruginosa to four polymer types over 12 days and found that all significantly inhibited growth, with PVC causing the greatest inhibition, and identified polymer-specific molecular mechanisms including oxidative stress and photosynthesis disruption.
Density separation of petrous bone powders for optimized ancient DNA yields
Researchers developed a density separation technique for petrous bone powders to optimize ancient DNA extraction yields, improving the recovery of genetic material from archaeological remains. The method enhances the ability to study historical populations and evolutionary questions through ancient genomics.
Productivity and Change in Fish and Squid in the Southern Ocean
This review examined fish and squid productivity in the Southern Ocean, finding that these mid-trophic species play critical roles in food web dynamics and are particularly vulnerable to climate-driven changes in sea temperature, sea ice extent, and prey availability.