Search Results - "Dearing, M. D."

Experience matters: prior exposure to plant toxins enhances diversity of gut microbes in herbivores by Kohl, Kevin D., Dearing, M. D.

“…For decades, ecologists have hypothesised that exposure to plant secondary compounds (PSCs) modifies herbivore‐associated microbial community composition. This…”
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Ambient temperature influences tolerance to plant secondary compounds in a mammalian herbivore by Kurnath, P., Merz, N. D., Dearing, M. D.

“…Growing evidence suggests that plant secondary compounds (PSCs) ingested by mammals become more toxic at elevated ambient temperatures, a phenomenon known as…”
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Turnover of Carbon Isotopes in Tail Hair and Breath CO₂ of Horses Fed an Isotopically Varied Diet by Ayliffe, L. K., Cerling, T. E., Robinson, T., West, A. G., Sponheimer, M., Passey, B. H., Hammer, J., Roeder, B., Dearing, M. D., Ehleringer, J. R.

“…Temporal stable isotope records derived from animal tissues are increasingly studied to determine dietary and climatic histories. Despite this, the turnover…”
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Transcriptome sequencing and microarray development for the woodrat (Neotoma spp.): custom genetic tools for exploring herbivore ecology by Malenke, J. R., Milash, B., Miller, A. W., Dearing, M. D.

“…Massively parallel sequencing has enabled the creation of novel, in‐depth genetic tools for nonmodel, ecologically important organisms. We present the de novo…”
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Turnover of stable carbon isotopes in the muscle, liver, and breath CO2 of alpacas (Lama pacos) by Sponheimer, M., Robinson, T. F., Cerling, T. E., Tegland, L., Roeder, B. L., Ayliffe, L., Dearing, M. D., Ehleringer, J. R.

“…Stable carbon isotope analysis of animal liver and muscle has become a widespread tool for investigating dietary ecology. Nonetheless, stable carbon isotope…”
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Testing the diet-breadth trade-off hypothesis: differential regulation of novel plant secondary compounds by a specialist and a generalist herbivore by Torregrossa, A-M., Azzara, A. V., Dearing, M. D.

“…Specialist herbivores are predicted to have evolved biotransformation pathways that can process large doses of secondary compounds from the plant species on…”
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Ambient Temperature Influences Diet Selection and Physiology of an Herbivorous Mammal,Neotoma albigula by Dearing, M. D., Forbey, J. S., McLister, J. D., Santos, L.

“…The whitethroat woodrat (Neotoma albigula) eats juniper (Ju niperus monosperma), but the amount of juniper in its diet varies seasonally. We tested whether…”
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Diet Breadth of Mammalian Herbivores: Nutrient versus Detoxification Constraints by Dearing, M. Denise, Mangione, Antonio M., Karasov, William H.

“…Two hypotheses, nutrient constraints and detoxification limitation, have been proposed to explain the lack of specialists among mammalian herbivores. The…”
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Elimination of Plant Toxins by Herbivorous Woodrats: Revisiting an Explanation for Dietary Specialization in Mammalian Herbivores by J. S. Sorensen, Dearing, M. D.

“…Constraints on rates of detoxification and elimination of plant toxins are thought to be responsible for limiting dietary specialization in mammalian…”
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A Specialist Herbivore (Neotoma stephensi) Absorbs Fewer Plant Toxins than Does a Generalist (Neotoma albigula) by Sorensen, J. S., Turnbull, C. A., Dearing, M. D.

“…Detoxification capacity of enzymes in the liver is thought to be the primary factor governing dietary toxin intake by mammalian herbivores. Recently, toxin…”
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Short-Term Diet Changes Revealed Using Stable Carbon Isotopes in Horse Tail-Hair by West, A. G., Ayliffe, L. K., Cerling, T. E., Robinson, T. F., Karren, B., Dearing, M. D., Ehleringer, J. R.

“…1. We demonstrate the potential of extracting high-resolution dietary information from stable carbon isotopes (δ13C) in horse tail-hair, in response to…”
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Captivity results in disparate loss of gut microbial diversity in closely related hosts by Kohl, Kevin D., Skopec, Michele M., Dearing, M. Denise

“…We compared microbial community structure in two rodent species before and after captivity. One species lost a greater proportion of diversity in captivity,…”
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Deer Mouse (Peromyscus maniculatus) Home-Range Size and Fidelity in Sage-Steppe Habitat by Wood, B.A., Cao, L., Dearing, M.D.

“…Within a species, home-range size can vary due to factors such as sex, mass, age, and breeding condition of individuals as well as habitat type, food…”
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Ambient Temperature Influences Diet Selection and Physiology of an Herbivorous Mammal, Neotoma albigula by Dearing, M. D., Forbey, J. S., McLister, J. D., Santos, L.

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Effects of Acomastylis rossii Tannins on a Mammalian Herbivore, the North American Pika, Ochotona princeps by Dearing, M. Denise

“…I investigated the effects of tannin consumption, using plant tannins naturally occurring in the diet, on a herbivorous mammal, the North American pika,…”
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The Function of Haypiles of Pikas (Ochotona princeps) by Dearing, M. Denise

“…The pika, Ochotona princeps, spends a considerable amount of time during summer caching vegetation. These caches (haypiles) have been suggested to function as…”
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Review: Using physiologically based models to predict population responses to phytochemicals by wild vertebrate herbivores by Forbey, J. S., Liu, R., Caughlin, T. T., Matocq, M. D., Vucetich, J. A., Kohl, K. D., Dearing, M. D., Felton, A. M.

“…To understand how foraging decisions impact individual fitness of herbivores, nutritional ecologists must consider the complex in vivo dynamics of…”
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Expression of biotransformation genes in woodrat (Neotoma) herbivores on novel and ancestral diets: identification of candidate genes responsible for dietary shifts by Magnanou, E, Malenke, J.R, Dearing, M.D

“…The ability of herbivores to switch diets is thought to be governed by biotransformation enzymes. To identify potential biotransformation enzymes, we conducted…”
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High prevalence of Sin Nombre virus in rodent populations, central Utah: a consequence of human disturbance? by Mackelprang, R, Dearing, M D, St Jeor, S

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Testing Models of Optimal Diet Assembly by the Generalist Herbivorous Lizard Cnemidophorus Murinus by Dearing, M. Denise, Jos. J. Schall

“…The diet of the predominantly herbivorous Bonaire Island whiptail lizard (Teiidae: Cnemidophorus murinus) was examined to assess three models of diet selection…”
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