Search Results - "Knutie, Sarah A."
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Early-life disruption of amphibian microbiota decreases later-life resistance to parasites
Published in Nature communications (20-07-2017)“…Changes in the early-life microbiota of hosts might affect infectious disease risk throughout life, if such disruptions during formative times alter immune…”
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Relationships among introduced parasites, host defenses, and gut microbiota of Galapagos birds
Published in Ecosphere (Washington, D.C) (01-05-2018)“…Parasites can cause significant damage to their hosts. Hosts can reduce the damage that parasites cause by either resisting parasites (e.g., with an immune…”
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Epigenetic variation between urban and rural populations of Darwin's finches
Published in BMC evolutionary biology (24-08-2017)“…The molecular basis of evolutionary change is assumed to be genetic variation. However, growing evidence suggests that epigenetic mechanisms, such as DNA…”
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Urban living influences the nesting success of Darwin’s finches in the Galápagos Islands
Published in Ecology and evolution (01-05-2021)“…Urbanization is expanding worldwide with major consequences for organisms. Anthropogenic factors can reduce the fitness of animals but may have benefits, such…”
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Host tolerance and resistance to parasitic nest flies differs between two wild bird species
Published in Ecology and evolution (01-11-2019)“…Hosts have developed and evolved defense strategies to limit parasite damage. Hosts can reduce the damage that parasites cause by decreasing parasite fitness…”
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Food supplementation affects gut microbiota and immunological resistance to parasites in a wild bird species
Published in The Journal of applied ecology (01-03-2020)“…Supplemental feeding can increase the overall health of animals but also can have varying consequences for animals dealing with parasites. Furthermore, the…”
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Epigenetic effects of parasites and pesticides on captive and wild nestling birds
Published in Ecology and evolution (01-06-2021)“…Anthropogenic changes to the environment challenge animal populations to adapt to new conditions and unique threats. While the study of adaptation has focused…”
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Differential effects of elevated nest temperature and parasitism on the gut microbiota of wild avian hosts
Published in Animal microbiome (02-10-2021)“…Abstract Background Changes in wild animal gut microbiotas may influence host health and fitness. While many studies have shown correlations between gut…”
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The terroir of the finch: How spatial and temporal variation shapes phenotypic traits in Darwin's finches
Published in Ecology and evolution (01-10-2022)“…The term terroir is used in viticulture to emphasize how the biotic and abiotic characteristics of a local site influence grape physiology and thus the…”
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Elevated nest temperature has opposing effects on host species infested with parasitic nest flies
Published in Oecologia (01-04-2023)“…Environmental factors, such as elevated temperature, can have varying effects on hosts and their parasites, which can have consequences for the net outcome of…”
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Human activity can influence the gut microbiota of Darwin's finches in the Galapagos Islands
Published in Molecular ecology (01-05-2019)“…The gut microbiota of animal hosts can be influenced by environmental factors, such as unnatural food items that are introduced by humans. Over the past…”
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A Non-invasive Method to Collect Fecal Samples from Wild Birds for Microbiome Studies
Published in Microbial ecology (01-11-2018)“…Over the past few decades, studies have demonstrated that the gut microbiota strongly influences the physiology, behavior, and fitness of its host. Such…”
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A Comparison of Winter Stress Responses in Cardueline Finches
Published in The Auk (01-07-2012)“…We examined baseline and stress-induced changes in plasma corticosterone in relation to body condition and seasonal environmental conditions in three species…”
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The herbicide atrazine induces hyperactivity and compromises tadpole detection of predator chemical cues
Published in Environmental toxicology and chemistry (01-09-2016)“…The ability to detect chemical cues is often critical for freshwater organisms to avoid predation and find food and mates. In particular, reduced activity and…”
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Use of anthropogenic-related nest material and nest parasite prevalence have increased over the past two centuries in Australian birds
Published in Oecologia (01-08-2021)“…Global plastic production has increased exponentially since the 1940s, resulting in the increased presence of anthropogenic debris in the environment. Recent…”
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Do host-associated gut microbiota mediate the effect of an herbicide on disease risk in frogs?
Published in The Journal of animal ecology (01-03-2018)“…1. Environmental Stressors, such as pollutants, can increase disease risk in wildlife. For example, the herbicide atrazine affects host defences (e.g…”
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In ovo microbial communities: a potential mechanism for the initial acquisition of gut microbiota among oviparous birds and lizards
Published in Biology letters (2005) (01-07-2018)“…Vertebrate gut microbiota mediate critical physiological processes known to affect host fitness, but the mechanisms that expose wildlife to pioneer members of…”
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Effect of urbanization and parasitism on the gut microbiota of Darwin's finch nestlings
Published in Molecular ecology (01-11-2023)“…Host-associated microbiota can be affected by factors related to environmental change, such as urbanization and invasive species. For example, urban areas…”
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Host resistance and tolerance of parasitic gut worms depend on resource availability
Published in Oecologia (01-04-2017)“…Resource availability can significantly alter host–parasite dynamics. Abundant food can provide more resources for hosts to resist infections, but also…”
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Effect of RNA preservation methods on RNA quantity and quality of field-collected avian whole blood
Published in Avian biology research (01-05-2023)“…The transcriptome comprises all RNA molecules in a sample, tissue, or organism. A limitation of comparative transcriptomic studies which compare gene…”
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