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Authors whose works are in public domain in at least one jurisdiction

List of works by William H Karasov

2,4-Dichlorophenoxyacetic acid containing herbicide impairs essential visually guided behaviors of larval fish

scientific article published on 18 January 2019

A Comparison of mucosal surface area and villous histology in small intestines of the Brazilian free-tailed bat (Tadarida brasiliensis) and the mouse (Mus musculus).

scientific article published on 18 August 2014

A Fast and Accurate Method to Identify and Quantify Enzymes in Brush-Border Membranes: In Situ Hydrolysis Followed by Nano LC-MS/MS

scientific article published on 10 February 2020

A new method to measure intestinal activity of P-glycoprotein in avian and mammalian species

scientific article published on 25 November 2004

Absorption and paracellular visualization of fluorescein, a hydrosoluble probe, in intact house sparrows (Passer domesticus).

scientific article published in January 2004

Absorption of sugars in the Egyptian fruit bat (Rousettus aegyptiacus): a paradox explained

scientific article published on May 2007

Activity of intestinal carbohydrases responds to multiple dietary signals in nestling house sparrows

scientific article published on 18 July 2013

Adaptation of intestinal epithelial hydrolysis and absorption of dietary carbohydrate and protein in mammals and birds

scientific article published on 01 December 2020

Adverse effects of chronic copper exposure in larval northern leopard frogs (Rana pipiens).

scientific article published in July 2007

Age‐related changes in the gut microbiota of wild House Sparrow nestlings

scholarly article published on 12 June 2018

Allometry of paracellular absorption in birds

scientific article published in September 2008

Anatomical and histological changes in the alimentary tract of migrating blackcaps (Sylvia atricapilla): a comparison among fed, fasted, food-restricted, and refed birds

scientific article published on January 2004

Arboreal Folivores Limit Their Energetic Output, All the Way to Slothfulness

scientific article published on 25 May 2016

Assessment of radiolabeled D-glucose and the nonmetabolizable analog 3-O-methyl-D-glucose as tools for in vivo absorption studies

scientific article published in March 2010

Begging and digestive responses to differences in long-term and short-term need in nestling pied flycatchers

article

Bioenergetic and pharmacokinetic model for exposure of common loon (Gavia immer) chicks to methylmercury

scientific article published on April 2007

Capacity for absorption of water-soluble secondary metabolites greater in birds than in rodents

scientific article

Chickadees Faced with Unpredictable Food Increase Fat Reserves but Certain Components of Their Immune Function Decline

scientific article

Chickadees Faced with Unpredictable Food Increase Fat Reserves but Certain Components of Their Immune Function Decline

scientific article published on 01 March 2017

Chronic exposure to pentavalent arsenic of larval leopard frogs (Rana pipiens): bioaccumulation and reduced swimming performance

scientific article

Chronic, dietary polybrominated diphenyl ether exposure affects survival, growth, and development of Rana pipiens tadpoles

scientific article published on January 1, 2010

Claudin gene expression patterns do not associate with interspecific differences in paracellular nutrient absorption

scientific article published on 19 September 2015

Cold exposure increases intestinal paracellular permeability to nutrients in the mouse

scientific article published on 2 August 2013

Comparative Digestive Physiology

scientific article published on April 1, 2013

Coniferyl Benzoate in Quaking Aspen (Populus tremuloides): Its Effect on Energy and Nitrogen Digestion and Retention in Ruffed Grouse (Bonasa umbellus)

scientific article published on 7 January 2016

Creosote bush (Larrea tridentata) resin increases water demands and reduces energy availability in desert woodrats (Neotoma lepida).

scientific article published on July 2004

Critical period of sensitivity for effects of cadmium on frog growth and development

scientific article published in June 2009

Daily Energy Expenditure of Nestling Bald Eagles in Northern Wisconsin

scholarly article

Daily Energy Expenditures of Free-Ranging Common Loon (Gavia immer) Chicks

scientific article published in 2002

Daily energy expenditure and the cost of activity in a free-living mammal

scientific article published in January 1981

Developmental adjustments of house sparrow (Passer domesticus) nestlings to diet composition

scientific article (publication date: May 2009)

Diet composition modulates intestinal hydrolytic enzymes in white-footed mice (Peromyscus leucopus)

scholarly article

Dietary adaptation to high starch involves increased relative abundance of sucrase-isomaltase and its mRNA in nestling house sparrows

scientific article published on 11 November 2020

Digestive Adaptations of Aerial Lifestyles

scientific article (publication date: 2015)

Digestive Efficiency of Northern Leopard Frog (Lithobates pipiens) Tadpoles during Development, Reared on a Laboratory Diet

scientific article published in June 2016

Digestive Response to Restricted Feeding in Migratory Yellow‐Rumped Warblers

article

Digestive physiology: a view from molecules to ecosystem

scientific article published on 08 June 2011

Distribution and accumulation of mercury in tissues of captive-reared common loon (Gavia immer) chicks

scientific article

Do salivary proline-rich proteins counteract dietary hydrolyzable tannin in laboratory rats?

scientific article published on 01 September 2004

Does habitat fragmentation promote climate‐resilient phenotypes?

scientific article published in 2018

Drinking water boosts food intake rate, body mass increase and fat accumulation in migratory blackcaps (Sylvia atricapilla).

scientific article published on 16 February 2008

Duplications and functional convergence of intestinal carbohydrate-digesting enzymes

scientific article published on 15 February 2020

Ecological implications of reduced forage quality on growth and survival of sympatric geese

scientific article published on 27 August 2014

Ecological physiology of diet and digestive systems.

scientific article published on January 2011

Effect of Ephemeral Food Restriction on Growth of House Sparrows

scholarly article

Effect of age and diet composition on activity of pancreatic enzymes in birds.

scientific article published on 27 December 2012

Effect of age and diet on total and paracellular glucose absorption in nestling house sparrows.

scientific article published in May 2010

Effect of mono-ortho and di-ortho substituted polychlorinated biphenyl (PCB) congeners on leopard frog survival and sexual development

scientific article published on 17 September 2007

Effects of Fruit Toxins on Intestinal and Microbial β-Glucosidase Activities of Seed-Predating and Seed-Dispersing Rodents (Acomys spp.).

scientific article published on 17 February 2016

Effects of Low, Subchronic Exposure of 2,4-Dichlorophenoxyacetic Acid (2,4-d) and Commercial 2,4-d Formulations on Early Life Stages of Fathead Minnows (Pimephales promelas)

scientific article published on 01 July 2019

Effects of chronic polybrominated diphenyl ether exposure on gonadal development in the northern leopard frog, Rana pipiens.

scientific article published in February 2012

Effects of low, subchronic exposure of 2,4-Dichlorophenoxyacetic acid (2,4-D) and commercial 2,4-D formulations on early life stages of fathead minnows (Pimephales promelas)

scientific article published on 03 September 2018

Effects of methyl mercury exposure on the growth of juvenile common loons

scientific article published on February 1, 2003

Effects of subcutaneous transmitter implants on behavior, growth, energetics, and survival of Common Loon chicks

Electroaffinity in paracellular absorption of hydrophilic D-dipeptides by sparrow intestine

scientific article published on 30 November 2005

Envisioning the future of wildlife in a changing climate: Collaborative learning for adaptation planning

scientific article published in 2011

Exposure of northern leopard frogs in the Green Bay ecosystem to polychlorinated biphenyls, polychlorinated dibenzo-p-dioxins, and polychlorinated dibenzofurans is measured by direct chemistry but not hepatic ethoxyresorufin-o-deethylase activity

scientific article published on 01 October 1999

Exposure of northern leopard frogs in the green bay ecosystem to polychlorinated biphenyls, polychlorinated dibenzo-p-dioxins, and polychlorinated dibenzofurans is measured by direct chemistry but not hepatic ethoxyresorufin-o-deethylase activity

scientific article published in 1999

Field exposure of frog embryos and tadpoles along a pollution gradient in the Fox River and Green Bay ecosystem in Wisconsin, Usa.

scientific article published in April 2005

Flavonoids have differential effects on glucose absorption in rats (Rattus norvegicus) and American robins (Turdis migratorius).

scientific article published on 10 February 2010

Food Passage and Intestinal Nutrient Absorption in Hummingbirds

scholarly article

Friend or foe? Disparate plant–animal interactions of two congeneric rodents

scientific article (publication date: 26 May 2013)

Fully reversible phenotypic plasticity of digestive physiology in young house sparrows: lack of long-term effect of early diet composition

scientific article published in August 2011

Growth and Energy Requirements of Captive-Reared Common Loon (Gavia Immer) Chicks

scholarly article

Growth and development of house sparrows (Passer domesticus) in response to chronic food restriction throughout the nestling period

scientific article published on June 1, 2012

Gut microbes limit growth in House Sparrows nestlings (Passer domesticus), but not through limitations in digestive capacity

scientific article

Hibernation in warm hibernacula by free-ranging Formosan leaf-nosed bats, Hipposideros terasensis, in subtropical Taiwan

scientific article published on August 17, 2010

High paracellular nutrient absorption in intact bats is associated with high paracellular permeability in perfused intestinal segments

scientific article published on 7 August 2014

How the house sparrow Passer domesticus absorbs glucose

scientific article

Hummingbirds rely on both paracellular and carrier-mediated intestinal glucose absorption to fuel high metabolism

scientific article published on March 2006

Immunohistochemical localization of cytochrome P4501A induced by 3,3′,4,4′,5‐pentachlorobiphenyl (PCB 126) in multiple organs of northern leopard frogs, <i>Rana pipiens</i>

scientific article published in 2001

Immunomodulation in post-metamorphic northern leopard frogs, Lithobates pipiens, following larval exposure to polybrominated diphenyl ether

scientific article published on 30 April 2014

Impacts of 2,4-dichlorophenoxyacetic acid aquatic herbicide formulations on reproduction and development of the fathead minnow (Pimephales promelas).

scientific article published on 28 October 2015

Impacts of short-term food restriction on immune development in altricial house sparrow nestlings

scientific article

Impacts of subchronic exposure to a commercial 2,4-D herbicide on developmental stages of multiple freshwater fish species

scientific article published on 01 August 2020

Induction of cytochrome P450-associated monooxygenases in northern leopard frogs,<i>Rana pipiens</i>, by 3,3′,4,4′,5-Pentachlorobiphenyl

scientific article published in 1998

Ingestion of plant secondary compounds causes diuresis in desert herbivores

scientific article

Integrative physiology of transcellular and paracellular intestinal absorption.

scientific article

Interplay between Physiology and Ecology in Digestion

article

Intestinal Water Absorption Varies with Expected Dietary Water Load among Bats but Does Not Drive Paracellular Nutrient Absorption.

scientific article published on 14 August 2015

Intestinal capacity of P-glycoprotein is higher in the juniper specialist, Neotoma stephensi, than the sympatric generalist, Neotoma albigula

scientific article published in November 2004

Intestinal digestive enzyme modulation in house sparrow nestlings occurs within 24 h of a change in diet composition.

scientific article published on 11 May 2017

Intestinal paracellular absorption is necessary to support the sugar oxidation cascade in nectarivorous bats

scientific article

Intestinal perfusion indicates high reliance on paracellular nutrient absorption in an insectivorous bat Tadarida brasiliensis

scientific article published on 17 November 2012

Intestinal α -glycosidase transcriptional responses during development and diet adjustment in altricial birds

scientific article published on 14 February 2018

Intraspecific directed deterrence by the mustard oil bomb in a desert plant

scientific article

Is Diet-shifting Facilitated by Modulation of Pancreatic Enzymes? Test of an Adaptational Hypothesis in Yellow-rumped Warblers

scholarly article

Is alpha-pinene a substrate for permeability-glycoprotein in wood rats?

scientific article published on 23 May 2006

Larval Exposure to Polychlorinated Biphenyl‐126 Led to a Long‐Lasting Decrease in Immune Function in Postmetamorphic Juvenile Northern Leopard Frogs,<i>Lithobates pipiens</i>

scientific article published in 2021

Larval exposure to polychlorinated biphenyl 126 (PCB-126) causes persistent alteration of the amphibian gut microbiota.

scientific article published on 7 April 2015

Latitudinal Variation in the Thermal Biology of Ornate Box Turtles

scientific article published on 3 May 1993

Latitudinal trends in digestive flexibility: testing the climatic variability hypothesis with data on the intestinal length of rodents

scientific article

Lethal and sublethal effects of chronic cadmium exposure on northern leopard frog (Rana pipiens) tadpoles

scientific article published on 01 June 2007

Low plasticity in digestive physiology constrains feeding ecology in diet specialist, zebra finch (Taeniopygia guttata).

scientific article published in March 2010

Mechanistic bases for differences in passive absorption

scientific article published in August 2007

Modulation of digestive enzyme activities in the avian digestive tract in relation to diet composition and quality.

scientific article

Morphological bases for intestinal paracellular absorption in bats and rodents

scientific article published on 13 July 2019

Morphometrics of the avian small intestine compared with that of nonflying mammals: a phylogenetic approach

scientific article published in September 2008

NMR-Based Identification of Metabolites in Polar and Non-Polar Extracts of Avian Liver

scientific article published on 16 November 2017

Non‐invasive measurement of metabolic rates in wild, free‐living birds using doubly labelled water

scientific article published on 27 November 2018

Nutrient constraints in the feeding ecology of an omnivore in a seasonal environment

scientific article published in May 1985

Nutrition and health in amphibian husbandry

scientific article

Nutritional Bottleneck in a Herbivore, the Desert Wood Rat (Neotoma lepida)

scientific article published in 1989

Ontogeny of Adaptive Antibody Response to a Model Antigen in Captive Altricial Zebra Finches

scientific article published on October 9, 2012

Oral and parenteral immunization of chickens (Gallus gallus) against West Nile virus with recombinant envelope protein

scientific article published on December 2009

Oral bioavailability and toxicokinetics of 3,3′,4,4′,5-pentachlorobiphenyl in northern leopard frogs,<i>Rana pipiens</i>

scientific article published in 2000

Oxidative stress induced in PCB 126-exposed northern leopard frogs, Rana pipiens

scientific article published on 01 April 2007

Pancreatic and intestinal carbohydrases are matched to dietary starch level in wild passerine birds

scientific article published in March 2011

Paracellular absorption in laboratory mice: Molecule size-dependent but low capacity

scientific article published on 19 September 2012

Paracellular absorption is relatively low in the herbivorous Egyptian spiny-tailed lizard, Uromastyx aegyptia

scientific article

Paracellular absorption: a bat breaks the mammal paradigm

scientific article

Paracellular nutrient absorption in a gum-feeding new world primate, the common marmoset Callithrix jacchus

scientific article published in December 2007

Paracellular nutrient absorption is higher in bats than rodents: integrating from intact animals to the molecular level

scientific article published on 25 July 2014

Physiological and Immune Responses of Free-Living Temperate Birds Provided a Gradient of Food Supplementation

scientific article published on 01 January 2019

Physiological and behavioural effects of fruit toxins on seed-predating versus seed-dispersing congeneric rodents.

scientific article

REPRODUCTIVE SUCCESS, DEVELOPMENTAL ANOMALIES, AND ENVIRONMENTAL CONTAMINANTS IN DOUBLE-CRESTED CORMORANTS (PHALACROCORAX AURITUS)

Rapid and parallel changes in activity and mRNA of intestinal peptidase to match altered dietary protein level in juvenile house sparrows (<i>Passer domesticus</i>)

scientific article published on 07 December 2020

Restructuring of the amphibian gut microbiota through metamorphosis.

scientific article

Seasonal Field Metabolic Rates of American Martens in Wisconsin

article

Seasonal variation in body composition in an Afrotropical passerine bird: increases in pectoral muscle mass are, unexpectedly, associated with lower thermogenic capacity

scientific article published on 18 March 2020

Small intestinal epithelial permeability to water-soluble nutrients higher in passerine birds than in rodents

scientific article published on 03 August 2018

Small intestinal hydrolysis of plant glucosides: higher glucohydrolase activities in rodents than passerine birds.

scientific article published on 25 June 2015

Sodium balance in ruffed grouse as influenced by sodium levels and plant secondary metabolites in quaking aspen

scientific article published in 1995

Spare capacity and phenotypic flexibility in the digestive system of a migratory bird: defining the limits of animal design

scientific article published on 9 April 2014

Sublethal effects of lead on northern leopard frog (Rana pipiens) tadpoles

scientific article published in May 2006

Taste and physiological responses to glucosinolates: seed predator versus seed disperser

scientific article

Test of a digestion optimization model: effect of variable-reward feeding schedules on digestive performance of a migratory bird

scientific article published on 01 April 1998

The capacity for paracellular absorption in the insectivorous bat Tadarida brasiliensis

scientific article published on 8 August 2012

The digestive adaptation of flying vertebrates: high intestinal paracellular absorption compensates for smaller guts

scholarly article

The integration of digestion and osmoregulation in the avian gut.

scientific article

The oral bioavailability and toxicokinetics of methylmercury in common loon (Gavia immer) chicks

scientific article

Toxicokinetics of polybrominated diphenyl ethers across life stages in the northern leopard frog (Lithobates pipiens)

scientific article published on May 23, 2013

Warmer temperature modifies effects of polybrominated diphenyl ethers on hormone profiles in leopard frog tadpoles (Lithobates pipiens).

scientific article