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Full-Text Articles in Life Sciences
Getting Back To Nature: Feralization In Animals And Plants, Eben Gering, Darren Incorvaia, R. Henriksen, Jeffrey Conner, Thomas Getty, Dominic Wright
Getting Back To Nature: Feralization In Animals And Plants, Eben Gering, Darren Incorvaia, R. Henriksen, Jeffrey Conner, Thomas Getty, Dominic Wright
Biology Faculty Articles
Formerly domesticated organisms and artificially selected genes often escape controlled cultivation, but their subsequent evolution is not well studied. In this review, we examine plant and animal feralization through an evolutionary lens, including how natural selection, artificial selection, and gene flow shape feral genomes, traits, and fitness. Available evidence shows that feralization is not a mere reversal of domestication. Instead, it is shaped by the varied and complex histories of feral populations, and by novel selection pressures. To stimulate further insight we outline several future directions. These include testing how ‘domestication genes’ act in wild settings, studying the brains and …
Maladaptation In Feral And Domesticated Animals, Eben Gering, Darren Incorvaia, R. Henriksen, Dominic Wright
Maladaptation In Feral And Domesticated Animals, Eben Gering, Darren Incorvaia, R. Henriksen, Dominic Wright
Biology Faculty Articles
Selection regimes and population structures can be powerfully changed by domestication and feralization, and these changes can modulate animal fitness in both captive and natural environments. In this review, we synthesize recent studies of these two processes and consider their impacts on organismal and population fitness. Domestication and feralization offer multiple windows into the forms and mechanisms of maladaptation. Firstly, domestic and feral organisms that exhibit suboptimal traits or fitness allow us to identify their underlying causes within tractable research systems. This has facilitated significant progress in our general understandings of genotype–phenotype relationships, fitness trade‐offs, and the roles of population …
Ecophysiology Of Lionfish Metabolic And Visual Systems: Are There Physiological Limits To Inshore Invasion?, Aaron Hasenei
Ecophysiology Of Lionfish Metabolic And Visual Systems: Are There Physiological Limits To Inshore Invasion?, Aaron Hasenei
HCNSO Student Theses and Dissertations
Lionfish (Pterois spp.), an invasive species native to the Indo-Pacific, have permanently established themselves throughout the greater Caribbean, Gulf of Mexico, and regions of the Western Atlantic ranging from as far north as North Carolina to central Brazil. As their fundamental range expands, lionfish threaten to migrate into estuarine environments as they have been found to tolerate low salinities and an eclectic range of temperatures. The physiological capacity of invasion was assessed by quantifying the visual ecology of lionfish utilizing corneal electroretinography (ERG) as well as their metabolic scope and hypoxia tolerances under various temperature-oxygen-regimes utilizing intermittent-flow respirometry. Seasonal …
Uncovering The Role Of Propagule Pressure In Determining Establishment Success Using A Synthetic Biology Approach, Michael D. Dressler
Uncovering The Role Of Propagule Pressure In Determining Establishment Success Using A Synthetic Biology Approach, Michael D. Dressler
HCNSO Student Theses and Dissertations
The spread of invasive species poses a major ecological and economical threat. Consequently there are ongoing efforts to develop a generalizable mechanism to predict establishment success of non-native species. One proposed mechanism to predict establishment success is propagule pressure, which is defined as the number of individuals introduced at a given time. Although some studies have demonstrated a positive correlation between propagule pressure and establishment success, others have not, and the effect of propagule pressure on establishment success remains unclear. To address this challenge, a strain of bacteria engineered with an Allee effect, a growth dynamic that is often associated …