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Articles 1111 - 1140 of 2819
Full-Text Articles in Entire DC Network
Feasibility Study Of The Switch Implementation Process For Enhancing School Wellness 13 Education 1303 Specialist Studies In Education, Senlin Chen, David A. Dzewaltowski, Richard R. Rosenkranz, Lorraine Lanningham-Foster, Spyridoula Vazou, Douglas A. Gentile, Joey A. Lee, Kyle J. Braun, Maren M. Wolff, Gregory J. Welk
Feasibility Study Of The Switch Implementation Process For Enhancing School Wellness 13 Education 1303 Specialist Studies In Education, Senlin Chen, David A. Dzewaltowski, Richard R. Rosenkranz, Lorraine Lanningham-Foster, Spyridoula Vazou, Douglas A. Gentile, Joey A. Lee, Kyle J. Braun, Maren M. Wolff, Gregory J. Welk
Faculty Publications
Background: There is a need to identify strategies that enhance the implementation of evidence-based school wellness intervention programs in real-world settings. The present study evaluates the feasibility of empowering school wellness leaders to deliver an evidence-based, childhood obesity-prevention program called Switch ™. We specifically evaluated the feasibility of a new implementation framework, based on the robust Healthy Youth Places framework, to increase capacity of school leaders to lead school wellness programming. Methods: The SWITCH (School Wellness Integration Targeting Child Health) implementation process was evaluated in a convenience sample of eight Iowa elementary schools. Teams of three leaders from each school …
Faithful Families Cooking And Eating Smart And Moving For Health: Evaluation Of A Community Driven Intervention, Caitlin Torrence, Sarah F. Griffin, Laura Rolke, Kelli Kenison, Altamae Marvin
Faithful Families Cooking And Eating Smart And Moving For Health: Evaluation Of A Community Driven Intervention, Caitlin Torrence, Sarah F. Griffin, Laura Rolke, Kelli Kenison, Altamae Marvin
Faculty Publications
Background: There is an increasing need to adapt and use community interventions to address modifiable behaviors that lead to poor health outcomes, like obesity, diabetes, and heart disease. Poor health outcomes can be tied to community-level factors, such as food deserts and individual behaviors, like sedentary lifestyles, consuming large portion sizes, and eating high-calorie fast food and processed foods. Methods: Through a social ecological approach with family, organization and community, the Faithful Families Cooking and Eating Smart and Moving for Health (FFCESMH) intervention was created to address these concerns in a rural South Carolina community. FFCESMH used gatekeepers to identify …
Effects Of Protein Supplementation On Performance And Recovery In Resistance And Endurance Training, Harry P. Cintineo, Michelle A. Arent, Jose Antonio, Shawn M. Arent Ph.D., Cscs*D, Fissn, Facsm, Fnak
Effects Of Protein Supplementation On Performance And Recovery In Resistance And Endurance Training, Harry P. Cintineo, Michelle A. Arent, Jose Antonio, Shawn M. Arent Ph.D., Cscs*D, Fissn, Facsm, Fnak
Faculty Publications
There is robust evidence which shows that consuming protein pre- and/or post-workout induces a significant rise in muscle protein synthesis. It should be noted, however, that total daily caloric and protein intake over the long term play the most crucial dietary roles in facilitating adaptations to exercise. However, once these factors are accounted for, it appears that peri-exercise protein intake, particularly in the post-training period, plays a potentially useful role in terms of optimizing physical performance and positively influencing the subsequent recovery processes for both resistance training and endurance exercise. Factors that affect the utility of pre- or post-workout feeding …
Toxoplasma Gondii Seropositivity And Substance Use In Us Adults, Bruce L. Brown, Andrew N. Berrett, Shawn D. Gale, Lance D. Erickson, Evan L. Thacker, Dawson W. Hedges
Toxoplasma Gondii Seropositivity And Substance Use In Us Adults, Bruce L. Brown, Andrew N. Berrett, Shawn D. Gale, Lance D. Erickson, Evan L. Thacker, Dawson W. Hedges
Faculty Publications
The intracellular parasite Toxoplasma gondii (Nicolle et Manceaux, 1908) infects humans resulting in acute toxoplasmosis, an infection that in immunocompetent people is typically mild but results in persistent latent toxoplasmosis. In that T. gondii appears to affect dopamine synthesis and because addicting drugs affect midbrain dopamine transmission, latent toxoplasmosis could influence substance use. Using both the third and continuous National Health and Nutrition Examination Surveys from the US Centers for Disease Control and Prevention, we used logistic regression to test for associations between T. gondii seropositivity and subject self-report of having ever used tobacco, alcohol, marijuana, cocaine, heroin, or methamphetamine. …
Managing The Risks And Rewards Of Death In Eusocial Insects, Qian Sun, Kenneth F. Haynes, Xuguo Zhou
Managing The Risks And Rewards Of Death In Eusocial Insects, Qian Sun, Kenneth F. Haynes, Xuguo Zhou
Faculty Publications
Eusocial insects frequently face death of colony members as a consequence of living in large groups where the success of the colony is not dependent on the fate of the individual. Whereas death of conspecifics commonly triggers aversion in many group-living species due to risk of pathogens, eusocial insects perform cooperative corpse management. The causes and social context of the death, as well as feeding and nesting ecology of the species, influence the way that corpses are treated. The corpse itself releases cues that dictate the colony's response. As a result, social insects exhibit behavioural responses that promote disease resistance, …
Barriers And Facilitators To Compliance With A State Healthy Eating Policy In Early Care And Education Centers, Daniel A. Zaltz, Russell R. Pate, Jennifer R. O'Neill, Brian Neelon, Sara E. Benjamin-Neelon
Barriers And Facilitators To Compliance With A State Healthy Eating Policy In Early Care And Education Centers, Daniel A. Zaltz, Russell R. Pate, Jennifer R. O'Neill, Brian Neelon, Sara E. Benjamin-Neelon
Faculty Publications
Background: Early care and education (ECE) policies can improve childhood obesity risk factors. We evaluated barriers and facilitators to implementing mandatory nutrition standards for foods provided in South Carolina ECE centers serving lowincome children, comparing centers participating in the Child and Adult Care Food Program (CACFP) with non-CACFP centers.
Methods: We mailed 261 surveys (demographics, policies and practices, barriers and facilitators) to center directors after new state nutrition standards were implemented in South Carolina. We conducted univariate and bivariate analyses to explore relationships between barriers, facilitators, and center-level characteristics, by CACFP status.
Results: We received 163 surveys (62% response rate). …
Adipose Tissue Dysfunction Occurs Independently Of Obesity In Adipocyte-Specific Oncostatin Receptor Knockout Mice, Jacqueline M. Stephens, Jennifer L. Bailey, Hardy Hang, Victoria Rittell, Marilyn A. Dietrich, Randall L. Mynatt, Carrie M. Elks
Adipose Tissue Dysfunction Occurs Independently Of Obesity In Adipocyte-Specific Oncostatin Receptor Knockout Mice, Jacqueline M. Stephens, Jennifer L. Bailey, Hardy Hang, Victoria Rittell, Marilyn A. Dietrich, Randall L. Mynatt, Carrie M. Elks
Faculty Publications
© 2018 The Obesity Society Objective: This study examined the phenotypic effects of adipocyte-specific oncostatin M receptor (OSMR) loss in chow-fed mice. Methods: Chow-fed adipocyte-specific OSMR knockout (FKO) mice and littermate OSMRfl/fl controls were studied. Tissue weights, insulin sensitivity, adipokine production, and stromal cell immunophenotypes were assessed in epididymal fat (eWAT); serum adipokine production was also assessed. In vitro, adipocytes were treated with oncostatin M, and adipokine gene expression was assessed. Results: Body weights, fasting blood glucose levels, and eWAT weights did not differ between genotypes. However, the eWAT of OSMRFKO mice was modestly less responsive to insulin stimulation than …
Mtor Complex 1 Implicated In Aphid/Buchnera Host/Symbiont Integration, Edward B. James, Honglin Feng, Alex C.C. Wilson
Mtor Complex 1 Implicated In Aphid/Buchnera Host/Symbiont Integration, Edward B. James, Honglin Feng, Alex C.C. Wilson
Faculty Publications
Obligate nutritional endosymbioses are arguably the most intimate of all interspecific associations. While many insect nutritional endosymbioses are well studied, a full picture of how two disparate organisms, a bacterial endosymbiont and a eukaryotic host, are integrated is still lacking. The mTOR pathway is known to integrate nutritional conditions with cell growth and survival in eukaryotes. Characterization and localization of amino acid transporters in aphids suggest the mTOR pathway as a point of integration between an aphid host and its amino acid-provisioning endosymbiont Buchnera aphidicola. The mTOR pathway is unannotated in aphids and unstudied in any nutritional endosymbiosis. We annotated …
Effect Of 12 Wk Of Resistant Starch Supplementation On Cardiometabolic Risk Factors In Adults With Prediabetes: A Randomized Controlled Trial, Courtney M. Peterson, Robbie A. Beyl, Kara L. Marlatt, Corby K. Martin, Kayanush J. Aryana, Maria L. Marco, Roy J. Martin, Michael J. Keenan, Eric Ravussin
Effect Of 12 Wk Of Resistant Starch Supplementation On Cardiometabolic Risk Factors In Adults With Prediabetes: A Randomized Controlled Trial, Courtney M. Peterson, Robbie A. Beyl, Kara L. Marlatt, Corby K. Martin, Kayanush J. Aryana, Maria L. Marco, Roy J. Martin, Michael J. Keenan, Eric Ravussin
Faculty Publications
Background: Type 2 resistant starch (RS2) has been shown to improve glycemic control and some cardiovascular endpoints in rodent and human studies. Objective: The aim of this study was to perform one of the first randomized clinical trials in adults with prediabetes and one of the longest trials to test whether RS2 can improve cardiometabolic health. Design: 68 overweight [body mass index (BMI) ≥27 kg/m2] adults aged 35-75 y with prediabetes were randomized to consume 45 g/d of high-amylose maize (RS2) or an isocaloric amount of the rapidly digestible starch amylopectin (control) for 12 wk. At baseline and postintervention, ectopic …
Motherhood, Abortion, And The Medicalization Of Women’S Poverty, Michelle Oberman
Motherhood, Abortion, And The Medicalization Of Women’S Poverty, Michelle Oberman
Faculty Publications
This article considers the impact of laws and policies that determine who experiences unplanned pregnancy, who has abortions, and how economic status shapes one’s response to unplanned pregnancy. There is a well-documented correlation between abortion and poverty: poor women have more abortions than do their richer sisters. Equally well-documented is the correlation between unplanned pregnancy and poverty. Finally, the high cost of motherhood for poor women and their offspring manifests in disproportionately high lifelong rates of poverty, ill-health and mortality for offspring and mothers, alike. Read together, these factors offer a vivid illustration of the medicalization of poverty.
Advancing Social Connection As A Public Health Priority In The United States, Julianne Holt-Lunstad, Theodore Robles, David A. Sbarra
Advancing Social Connection As A Public Health Priority In The United States, Julianne Holt-Lunstad, Theodore Robles, David A. Sbarra
Faculty Publications
A robust body of scientific evidence indicates that being embedded in high-quality close relationships and feeling socially connected to the people in your life is associated with decreased risk for all-cause mortality as well as a range of disease morbidities. Despite mounting evidence that the magnitude of these associations is comparable to many leading health determinants (that receive significant public health resources), government agencies, healthcare providers and associations, and public/private healthcare funders are slow to recognize human social relationships as either a health determinant or health risk marker in a manner that is comparable to other public health priorities. This …
Large-Scale Social And Behavior Change Communication Interventions Have Sustained Impacts On Infant And Young Child Feeding Knowledge And Practices: Results Of A 2-Year Follow-Up Study In Bangladesh, Sunny S. Kim, Phuong Hong Nguyen, Lan Mai Tran, Tina Sanghvi, Zeba Mahmud, Mohammad Raisul Haque, Kaosar Afsana, Edward A. Frongillo Jr., Marie T. Ruel, Purnima Menon
Large-Scale Social And Behavior Change Communication Interventions Have Sustained Impacts On Infant And Young Child Feeding Knowledge And Practices: Results Of A 2-Year Follow-Up Study In Bangladesh, Sunny S. Kim, Phuong Hong Nguyen, Lan Mai Tran, Tina Sanghvi, Zeba Mahmud, Mohammad Raisul Haque, Kaosar Afsana, Edward A. Frongillo Jr., Marie T. Ruel, Purnima Menon
Faculty Publications
Background: Sustained improvements in infant and young child feeding (IYCF) require continued implementation of effective interventions. From 2010-2014, Alive & Thrive (A&T) provided intensive interpersonal counseling (IPC), community mobilization (CM), and mass media (MM) in Bangladesh, demonstrating impact on IYCF practices. Since 2014, implementation has been continued and scaled up by national partners with support from other donors and with modifications such as added focus on maternal nutrition and reduced program intensity. Objective: We assessed changes in intervention exposure and IYCF knowledge and practices in the intensive (IPC + CM + MM) compared with nonintensive areas (standard nutrition counseling + …
Roles Of Ros, Nrf2, And Autophagy In Cadmium-Carcinogenesis And Its Prevention By Sulforaphane, Yuting Wang, Ardhendu Kumar Mandal, Young O.K. Son, Poyil Pratheeshkumar, James T.F. Wise, Lei Wang, Zhuo Zhang, Xianglin Shi, Zhimin Chen
Roles Of Ros, Nrf2, And Autophagy In Cadmium-Carcinogenesis And Its Prevention By Sulforaphane, Yuting Wang, Ardhendu Kumar Mandal, Young O.K. Son, Poyil Pratheeshkumar, James T.F. Wise, Lei Wang, Zhuo Zhang, Xianglin Shi, Zhimin Chen
Faculty Publications
Environmental and occupational exposures to cadmium increase the risk of various cancers, including lung cancer. The carcinogenic mechanism of cadmium, including its prevention remains to be investigated. Using fluorescence and electron spin resonance spin trapping, the present study shows that in immortalized lung cells (BEAS-2BR cells), exposure cadmium generated reactive oxygen species (ROS). Through ROS generation, cadmium increased the protein level of TNF-α which activated NF-κB and its target protein COX-2, creating an inflammatory microenvironment. As measured by anchorage-independent colony formation assay, cadmium induced malignant cell transformation. Inhibition of ROS by antioxidants inhibited transformation, showing that ROS were important in …
Draft Genome Sequence Of The Psychrotolerant Bacterium Kurthia Sibirica Atcc 49154t, Abigail E. Goen, Tyler Silverwood, Aria Underriner, Ariel M. Trachtenberg, Carolyn Kelley, Kyle S. Maclea
Draft Genome Sequence Of The Psychrotolerant Bacterium Kurthia Sibirica Atcc 49154t, Abigail E. Goen, Tyler Silverwood, Aria Underriner, Ariel M. Trachtenberg, Carolyn Kelley, Kyle S. Maclea
Faculty Publications
The aerobic, Gram-positive, psychrotolerant bacterium Kurthia sibirica was first isolated from the stomach and intestinal contents of the Magadan mammoth recovered from the permafrost in eastern Siberia in 1977. K. sibirica was sequenced, and the predicted genome size is 3,496,665 bp, with 36.42% G+C content.
Dietary Inflammatory Index And Biomarkers Of Lipoprotein Metabolism, Inflammation And Glucose Homeostasis In Adults, Catherine Phillips, Nitin Shivappa, James R. Hébert, Ivan Perry
Dietary Inflammatory Index And Biomarkers Of Lipoprotein Metabolism, Inflammation And Glucose Homeostasis In Adults, Catherine Phillips, Nitin Shivappa, James R. Hébert, Ivan Perry
Faculty Publications
Accumulating evidence identifies diet and inflammation as potential mechanisms contributing to cardiometabolic risk. However, inconsistent reports regarding dietary inflammatory potential, biomarkers of cardiometabolic health and metabolic syndrome (MetS) risk exist. Our objective was to examine the relationships between a food frequency questionnaire (FFQ)-derived dietary inflammatory index (DII®), biomarkers of lipoprotein metabolism, inflammation and glucose homeostasis and MetS risk in a cross-sectional sample of 1992 adults. Energy-adjusted DII (E-DII) scores derived from an FFQ were calculated. Lipoprotein particle size and subclass concentrations were measured using nuclear magnetic resonance (NMR) spectroscopy. Serum acute-phase reactants, adipocytokines, pro-inflammatory cytokines and white blood cell (WBC) …
Effects Of Maternal Nutrition On The Expression Of Genomic Imprinted Genes In Ovine Fetuses, Jingyue (Ellie) Duan, Mingyuan Zhang, Kaleigh Flock, Sahar Al Seesi, Ion Mandoiu, Amanda Jones, Elizabeth Johnson, Sambhu Pillai, Maria Hoffman, Katelyn Mcfadden, Hesheng Jiang, Sarah Reed, Kristen Govoni, Steve Zinn, Zongliang Jiang, Xiuchun (Cindy) Tian
Effects Of Maternal Nutrition On The Expression Of Genomic Imprinted Genes In Ovine Fetuses, Jingyue (Ellie) Duan, Mingyuan Zhang, Kaleigh Flock, Sahar Al Seesi, Ion Mandoiu, Amanda Jones, Elizabeth Johnson, Sambhu Pillai, Maria Hoffman, Katelyn Mcfadden, Hesheng Jiang, Sarah Reed, Kristen Govoni, Steve Zinn, Zongliang Jiang, Xiuchun (Cindy) Tian
Faculty Publications
© 2018, © 2018 The Author (s). Published by Informa UK Limited, trading as Taylor & Francis Group. Genomic imprinting is an epigenetic phenomenon of differential allelic expression based on parental origin. To date, 263 imprinted genes have been identified among all investigated mammalian species. However, only 21 have been described in sheep, of which 11 are annotated in the current ovine genome. Here, we aim to i) use DNA/RNA high throughput sequencing to identify new monoallelically expressed and imprinted genes in day 135 ovine fetuses and ii) determine whether maternal diet (100%, 60%, or 140% of National Research Council …
Diel Patterns Of Variable Fluorescence And Carbon Fixation Of Picocyanobacteria Prochlorococcus-Dominated Phytoplankton In The South China Sea Basin, Yuyuan Xie, Edward A. Laws, Lei Yang, Bangqin Huang
Diel Patterns Of Variable Fluorescence And Carbon Fixation Of Picocyanobacteria Prochlorococcus-Dominated Phytoplankton In The South China Sea Basin, Yuyuan Xie, Edward A. Laws, Lei Yang, Bangqin Huang
Faculty Publications
The various photosynthetic apparatus and light utilization strategies of phytoplankton are among the critical factors that regulate the distribution of phytoplankton and primary productivity in the ocean. Active chlorophyll fluorescence has been a powerful technique for assessing the nutritional status of phytoplankton by studying the dynamics of photosynthesis. Further studies of the energetic stoichiometry between light absorption and carbon fixation have enhanced understanding of the ways phytoplankton adapt to their niches. To explore the ecophysiology of a Prochlorococcus-dominated phytoplankton assemblage, we conducted studies of the diel patterns of variable fluorescence and carbon fixation by phytoplankton in the oligotrophic South China …
Engagement Of Husbands In A Maternal Nutrition Program Substantially Contributed To Greater Intake Of Micronutrient Supplements And Dietary Diversity During Pregnancy: Results Of A Cluster-Randomized Program Evaluation In Bangladesh, Phuong Hong Nguyen, Edward A. Frongillo Jr., Tina Sanghvi, Gargi Wable, Zeba Mahmud, Lan Mai Tran, Bachera Aktar, Kaosar Afsana, Silvia Alayon, Marie T. Ruel, Purnima Menon
Engagement Of Husbands In A Maternal Nutrition Program Substantially Contributed To Greater Intake Of Micronutrient Supplements And Dietary Diversity During Pregnancy: Results Of A Cluster-Randomized Program Evaluation In Bangladesh, Phuong Hong Nguyen, Edward A. Frongillo Jr., Tina Sanghvi, Gargi Wable, Zeba Mahmud, Lan Mai Tran, Bachera Aktar, Kaosar Afsana, Silvia Alayon, Marie T. Ruel, Purnima Menon
Faculty Publications
Background:
Although husbands may provide support during pregnancy, limited evidence exists on how to promote husbands' engagement and what impact it has. Alive & Thrive integrated nutrition-focused interventions, targeting both wives and husbands, through an existing Maternal, Neonatal, and Child Health (MNCH) platform in Bangladesh.
Objectives:
We evaluated 1) the impact of a nutrition-focused MNCH program, compared with the standard MNCH program, on husbands' behavioral determinants (i.e., awareness, knowledge, self-efficacy) and support to wives to adopt optimal nutrition practices and 2) how much of the previously documented impact on women's supplement intake and dietary diversity was explained by husbands' behavioral …
Design, Development And Construct Validation Of The Children’S Dietary Inflammatory Index, Samira Khan, Micheal D. Wirth, Andrew Ortaglia, Christian R. Alvarado, Nitin Shivappa, Thomas Hurley, James R. Hébert
Design, Development And Construct Validation Of The Children’S Dietary Inflammatory Index, Samira Khan, Micheal D. Wirth, Andrew Ortaglia, Christian R. Alvarado, Nitin Shivappa, Thomas Hurley, James R. Hébert
Faculty Publications
Objective: To design and validate a literature-derived, population-based Children’s Dietary Inflammatory Index (C-DII)TM. Design: The C-DII was developed based on a review of literature through 2010. Dietary data obtained from children in 16 different countries were used to create a reference database for computing C-DII scores based on consumption of macronutrients, vitamins, minerals, and whole foods. Construct validation was performed using quantile regression to assess the association between C-reactive protein (CRP) concentrations and C-DII scores. Data Sources: All data used for construct validation were obtained from children between six and 14 years of age (n = 3300) who participated in …
Design, Development And Construct Validation Of The Children’S, Samira Khan, Michael D. Wirth, Andrew Ortaglia, Christian R. Alvarado, Nitin Shivappa, Thomas Hurley, James R. Hébert
Design, Development And Construct Validation Of The Children’S, Samira Khan, Michael D. Wirth, Andrew Ortaglia, Christian R. Alvarado, Nitin Shivappa, Thomas Hurley, James R. Hébert
Faculty Publications
Objective: To design and validate a literature-derived, population-based Children’s Dietary Inflammatory Index (C-DII)TM. Design: The C-DII was developed based on a review of literature through 2010. Dietary data obtained from children in 16 different countries were used to create a reference database for computing C-DII scores based on consumption of macronutrients, vitamins, minerals, and whole foods. Construct validation was performed using quantile regression to assess the association between C-reactive protein (CRP) concentrations and C-DII scores. Data Sources: All data used for construct validation were obtained from children between six and 14 years of age (n = 3300) who …
Responses Of Non-Native Earthworms To Experimental Eradication Of Garlic Mustard And Implications For Native Vegetation, Kristina A. Stinson, Serita D. Frey, M. R. Jackson, E. Coates-Connor, Mark A. Anthony, K. Martinez
Responses Of Non-Native Earthworms To Experimental Eradication Of Garlic Mustard And Implications For Native Vegetation, Kristina A. Stinson, Serita D. Frey, M. R. Jackson, E. Coates-Connor, Mark A. Anthony, K. Martinez
Faculty Publications
Recent studies in invasion biology suggest that positive feedback among two or more introduced organisms facilitate establishment within a new range and drive changes in native plant communities. Here, we experimentally tested for relationships between native plants and two non-native organisms invading forest habitats in North America: garlic mustard (Alliaria petiolata, Brassicaceae) and earthworms. In two forested sites, we compared understory vegetation and earthworm biomass in plots where garlic mustard was removed for three years, plots without garlic mustard invasion, and plots invaded by garlic mustard that was not removed. Earthworm biomass was highest in the plots with garlic mustard, …
L-Citrulline Supplementation: Impact On Cardiometabolic Health, Timothy D. Allerton, David N. Proctor, Jacqueline M. Stephens, Tammy R. Dugas, Guillaume Spielmann, Brian A. Irving
L-Citrulline Supplementation: Impact On Cardiometabolic Health, Timothy D. Allerton, David N. Proctor, Jacqueline M. Stephens, Tammy R. Dugas, Guillaume Spielmann, Brian A. Irving
Faculty Publications
© 2018 by the authors. Licensee MDPI, Basel, Switzerland. Diminished bioavailability of nitric oxide (NO), the gaseous signaling molecule involved in the regulation of numerous vital biological functions, contributes to the development and progression of multiple age-and lifestyle-related diseases. While L-arginine is the precursor for the synthesis of NO by endothelial-nitric oxide synthase (eNOS), oral L-arginine supplementation is largely ineffective at increasing NO synthesis and/or bioavailability for a variety of reasons. L-citrulline, found in high concentrations in watermelon, is a neutral alpha-amino acid formed by enzymes in the mitochondria that also serves as a substrate for recycling L-arginine. Unlike L-arginine, …
Evolving Paradigms In Biological Carbon Cycling In The Ocean, Chuanlun Zhang, Hongyue Dang, Farooq Azam, Ronald Benner, Louis Legendre, Uta Passow, Luca Polimene, Carol Robinson, Curtis A. Suttle, Nianzhi Jiao
Evolving Paradigms In Biological Carbon Cycling In The Ocean, Chuanlun Zhang, Hongyue Dang, Farooq Azam, Ronald Benner, Louis Legendre, Uta Passow, Luca Polimene, Carol Robinson, Curtis A. Suttle, Nianzhi Jiao
Faculty Publications
Carbon is a keystone element in global biogeochemical cycles. It plays a fundamental role in biotic and abiotic processes in the ocean, which intertwine to mediate the chemistry and redox status of carbon in the ocean and the atmosphere. The interactions between abiotic and biogenic carbon (e.g. CO2, CaCO3, organic matter) in the ocean are complex, and there is a half-century-old enigma about the existence of a huge reservoir of recalcitrant dissolved organic carbon (RDOC) that equates to the magnitude of the pool of atmospheric CO2. The concepts of the biological carbon pump (BCP) …
Litter Identity Affects Assimilation Of Carbon And Nitrogen By A Shredding Caddisfly, Adam C. Siders, Zacchaeus G. Compson, Bruce A. Hungate, Paul Dijkstra, George W. Koch, Adam S. Wymore, A. Stuart Grandy, Jane C. Marks
Litter Identity Affects Assimilation Of Carbon And Nitrogen By A Shredding Caddisfly, Adam C. Siders, Zacchaeus G. Compson, Bruce A. Hungate, Paul Dijkstra, George W. Koch, Adam S. Wymore, A. Stuart Grandy, Jane C. Marks
Faculty Publications
Ecologists often equate litter quality with decomposition rate. In soil and sediments, litter that is rapidly decomposed by microbes often has low concentrations of tannin and lignin and low C:N ratios. Do these same traits also favor element transfer to higher trophic levels in streams, where many insects depend on litter as their primary food source? We test the hypothesis that slow decomposition rates promote element transfer from litter to insects, whereas rapid decomposition favors microbes. We measured carbon and nitrogen fluxes from four plant species to a leaf-shredding caddisfly using isotopically labeled litter. Caddisflies assimilated a higher percentage of …
Validity Of The Food Insecurity Experience Scale For Use In Sub-Saharan Africa And Characteristics Of Food-Insecure Individuals, Edwina A. Wambogo, Hala Ghattas Ph.D., Kenneth L. Leonard, Nadine R. Sahyoun
Validity Of The Food Insecurity Experience Scale For Use In Sub-Saharan Africa And Characteristics Of Food-Insecure Individuals, Edwina A. Wambogo, Hala Ghattas Ph.D., Kenneth L. Leonard, Nadine R. Sahyoun
Faculty Publications
Background
The Food Insecurity Experience Scale (FIES) is a UN FAO-Voices of the Hungry project (FAO-VoH) metric of food insecurity (FI). The FAO-VoH tested the psychometric properties of FIES with the use of global 2014 Gallup World Poll (GWP) data. However, similarities in its psychometric structure in sub-Saharan Africa (SSA) to allow aggregation of SSA results were untested.
Objectives
We aimed to 1) assess the validity of FIES for use in SSA, 2) determine the prevalence of FI by country, age group, and gender, and 3) examine the sociodemographic and economic characteristics of individuals with FI.
Methods
The Rasch modeling …
Remember My Chains: New Testament Perspectives On Incarceration, Matthew L. Skinner
Remember My Chains: New Testament Perspectives On Incarceration, Matthew L. Skinner
Faculty Publications
Understanding the physical realities and social attitudes concerning incarceration in the ancient world provides a fuller context to the New Testament’s unadorned and ambiguous references to people’s experience of being held in custody. The context is crucial for interpreting biblical passages that commend caring for prisoners, that reaffirm God’s strength and nullify the ignominy associated with incarceration, and that declare God’s power over the means and motives of imperial coercion. Such passages also compel the contemporary church to advocate on behalf of prisoners and to denounce the systems that regularly victimize them.
Management Of Insect Pests In The Production And Storage Of Minor Pulses, Ruparao T. Gahukar, Gadi V.P. Reddy
Management Of Insect Pests In The Production And Storage Of Minor Pulses, Ruparao T. Gahukar, Gadi V.P. Reddy
Faculty Publications
Minor pulses are cultivated on a small scale by economically poor farming communities for subsistence food. Currently, these crops are under-utilized or neglected, although they are reasonable sources of protein and can increase food security in rural areas. Research and development is underway to improve the grain quality and increase the productivity of these crops, both of which are negatively impacted by insect pest damage. Synthetic pesticides have proven to be the most effective control agents against all pests of minor pulses which include sap sucking insects. However, considering the drawbacks of pesticide residues in the grain, environmental pollution, and …
Matrix And Area Effects On The Nutritional Condition Of Understory Birds In Amazonian Rainforest Fragments, Angélica Hernández-Palma, Philip C. Stouffer
Matrix And Area Effects On The Nutritional Condition Of Understory Birds In Amazonian Rainforest Fragments, Angélica Hernández-Palma, Philip C. Stouffer
Faculty Publications
Forest fragmentation, a result of deforestation, not only decreases the amount of habitat available for wildlife, but also increases the isolation of the remaining fragments and the area of edges surrounding them. Also, deforestation often leads to the creation of a dynamic regenerating matrix where cleared land is subsequently abandoned. Here we examine the effects of fragmentation and landscape change on the nutritional condition of Amazonian rainforest birds at the Biological Dynamics of Forest Fragments Project, near Manaus, Brazil. We analyzed ptilochronology-based measurements of feather growth rate in 12 species living in fragments within a dynamic landscape over 21 years. …
Infant And Young Child Feeding In Emergencies: Organisational Policies And Activities During The Refugee Crisis In Lebanon, Linda Shaker-Berbari, Hala Ghattas Ph.D., Andrew G. Symon, Annie S. Anderson
Infant And Young Child Feeding In Emergencies: Organisational Policies And Activities During The Refugee Crisis In Lebanon, Linda Shaker-Berbari, Hala Ghattas Ph.D., Andrew G. Symon, Annie S. Anderson
Faculty Publications
Appropriate infant and young child feeding (IYCF) is key to reducing mortality amongst children aged under 2. Facilitating adherence to recommended IYCF practices during emergencies includes having relevant policies to support breastfeeding and complementary feeding as well as regulating the distribution of breast milk substitutes. In the current crisis, more than 1.2 million Syrian refugees are in Lebanon and it is timely to examine organisational IYCF policies and programmes. One hundred and thirty-five non-governmental organisations providing humanitarian aid in Lebanon were invited to participate in an online survey about organisational policies and programmatic activities on IYCF. Responses were obtained from …
Purifying Selection In The Toll-Like Receptors Of Song Sparrows Melospiza Melodia, Martha J. Nelson-Flower, Ryan R. Germain, Elizabeth A. Macdougall-Shackleton, Sabrina S. Taylor, Peter Arcese
Purifying Selection In The Toll-Like Receptors Of Song Sparrows Melospiza Melodia, Martha J. Nelson-Flower, Ryan R. Germain, Elizabeth A. Macdougall-Shackleton, Sabrina S. Taylor, Peter Arcese
Faculty Publications
Variation in immune gene sequences is known to influence resistance to infectious diseases and parasites, and hence survival and mate choice, across animal taxa. Toll-like receptors (TLRs) comprise one essential gene family in the vertebrate innate immune system and recognize evolutionarily conserved structures from all major microorganism classes. However, the causes and consequences of TLR variation in passerine birds remain largely unexplored. We examined 7 TLR genes in song sparrows (Melospiza melodia), a species that is studied across North America. We then examined sequences from 4 unduplicated TLRs (TLR1LB, TLR3, TLR4, and TLR15) from birds in 2 parts of the …