Digital Commons Network^™

Jellyfish, Forage Fish, And The World's Major Fisheries, Kelly L. Robinson, James J. Ruzicka, Mary Beth Decker, Richard D. Brodeur, Frank J. Hernandez, Javier Quiñones, E. Marcelo Acha, Shin-Ichi Uye, Hermes Mianzan, William M. Graham

Faculty Publications

A majority of the world’s largest net-based fisheries target planktivorous forage fish that serve as a critical trophic link between the plankton and upper-level consumers such as large predatory fishes, seabirds, and marine mammals. Because the plankton production that drives forage fish also drives jellyfish production, these taxa often overlap in space, time, and diet in coastal ecosystems. This overlap likely leads to predatory and competitive interactions, as jellyfish are effective predators of fish early life stages and zooplankton. The trophic interplay between these groups is made more complex by the harvest of forage fish, which presumably releases jellyfish from …

Gender Differences In Exercise Dependence And Eating Disorders In Young Adults: A Path Analysis Of A Conceptual Model, Tevni Grajales, Shelli Meulemans, Peter Pribis, Gretchen Krivak

Faculty Publications

Abstract: The purpose of our study was to study the prevalence of exercise dependence (EXD) among college students and to investigate the role of EXD and gender on exercise behavior and eating disorders. Excessive exercise can become an addiction known as exercise dependence. In our population of 517 college students, 3.3% were at risk for EXD and 8% were at risk for an eating disorder. We used Path analysis the simplest case of Structural Equation Modeling (SEM) to investigate the role of EXD and exercise behavior on eating disorders. We observed a small direct effect from gender to eating disorders. …

Ascorbic Acid, Thiamin, Riboflavin, And Vitamin B6 Contents Vary Between Sweetpotato Tissue Types, Wilmer A. Barrera, David H. Picha

Faculty Publications

Sweetpotato is considered a good source of ascorbic acid (vitamin C) and certain B vitamins. These water-soluble vitamins (WSV) play essential roles in sustaining human health. Besides the root, sweetpotato vegetative tissues are also edible and considered high in nutritional value. Despite the availability of general reference values for sweetpotato WSV content in the root and leaves, little is known about the distribution of these vitamins in specific sweetpotato root and vegetative tissues. The objective of this study was to determine the ascorbic acid (AA), thiamin (B1), riboflavin (B2), and vitamin B6 content in a range of foliar tissues including …

Residency Time As An Indicator Of Reproductive Restraint In Male Burying Beetles, Ashlee N. Smith, Mark C. Belk, J. Curtis Creighton

Faculty Publications

The cost of reproduction theory posits that there are trade-offs between current and future reproduction because resources that are allocated to current offspring cannot be used for future reproductive opportunities. Two adaptive reproductive strategies have been hypothesized to offset the costs of reproduction and maximize lifetime fitness. The terminal investment hypothesis predicts that as individuals age they will allocate more resources to current reproduction as a response to decreasing residual reproductive value. The reproductive restraint hypotheses predicts that as individuals age they will allocate fewer resources to current reproduction to increase the chance of surviving for an additional reproductive opportunity. …

Health Literacy And Obesity Among Native Hawaiian And Pacific Islanders In The U.S., Jane Lassetter

Faculty Publications

Objectives: Our purpose was to describe relationships between demographic characteristics, body mass index (BMI), and health literacy among Native Hawaiians and other Pacific Islanders (NHPIs).

Design and Sample: In this cross-sectional survey, we interviewed 364 NHPI adults.

Measures: We used Newest Vital Sign (NVS), a health literacy tool; measured heights and weights; and demographic questions.

Results: According to participants’ NVS scores, 45.3% had at least a possibility of low health literacy. Lower NVS scores were associated with increased BMI (r = -0.12, p = 0.027) and increased age (r = -0.26, p < 0.001). Higher NVS scores were associated …

Contributions Of Non-Traditional Meat Animals To Global Food Security And Agricultural Economy, Surendranath P. Suman, Kenneth W. Mcmillin

Faculty Publications

No abstract provided.

A Comparison Of The Caulobacter Na1000 And K31 Genomes Reveals Extensive Genome Rearrangements And Differences In Metabolic Potential, Kurt Ash, Theta Brown, Tynetta Watford, Latia E. Scott, Craig Stephens, Bert Ely

Faculty Publications

The genus Caulobacter is found in a variety of habitats and is known for its ability to thrive in low-nutrient conditions. K31 is a novel Caulobacter isolate that has the ability to tolerate copper and chlorophenols, and can grow at 4°C with a doubling time of 40 h. K31 contains a 5.5 Mb chromosome that codes for more than 5500 proteins and two large plasmids (234 and 178 kb) that code for 438 additional proteins. A comparison of the K31 and the Caulobacter crescentus NA1000 genomes revealed extensive rearrangements of gene order, suggesting that the genomes had been randomly scrambled. …

Responses Of Sympatric Karenia Brevis, Prorocentrum Minimum, And Heterosigma Akashiwo To The Exposure Of Crude Oil, Koray Özhan, Sibel Bargu

Faculty Publications

Impacts of the Deepwater Horizon oil spill on phytoplankton, particularly, the tolerability and changes to the toxin profiles of harmful toxic algal species remain unknown. The degree to which oil-affected sympatric Karenia brevis, Prorocentrum minimum, and Heterosigma akashiwo, all of which are ecologically important species in the Gulf of Mexico, was investigated. Comparison of their tolerability to that of non-toxic species showed that the toxin-production potential of harmful species does not provide a selective advantage. Investigated toxin profiles for K. brevis and P. minimum demonstrated an increase in toxin productivity at the lowest crude oil concentration (0.66 mg L^{−1 …}

Effects Of Exercise On Bmi Z-Score In Overweight And Obese Children And Adolescents: A Systematic Review With Meta-Analysis, George A. Kelley, Kristi S. Kelley, Russell R. Pate

Faculty Publications

Background: Overweight and obesity are major public health problems in children and adolescents. The purpose of this study was to conduct a systematic review with meta-analysis to determine the effects of exercise (aerobic, strength or both) on body mass index (BMI) z-score in overweight and obese children and adolescents.

Methods: Studies were included if they were randomized controlled exercise intervention trials ≥ 4 weeks in overweight and obese children and adolescents 2 to 18 years of age, published in any language between 1990–2012 and in which data were available for BMI z-score. Studies were retrieved by searching eleven electronic databases, …

Efficiency Of Sampling To Determine Population Size Of Cyrtobagous Salviniae (Coleoptera: Curculionidae), Michael J. Grodowitz, Seth Johnson, Aaron N. Schad

Faculty Publications

Salvinia molesta D. S. Mitchell (Salviniales: Salviniaceae), a small floating fern introduced from South America, is causing an increasing number of problems in the US. Increased reliance on the biocontrol agent, Cyrtobagous salviniae, in the US is becoming more commonplace and several mass-rearing facilities have been developed. Because of differences in sampling protocols including sample size, reporting parameters, and numbers released, an investigation into sampling efficiency was initiated. A small pond in southern Louisiana was sampled in an effort to understand what constitutes an adequate sample size and methodologies needed to estimate numbers of weevils. A clumped distribution in the …

25-Hydroxyvitamin D In African-Origin Populations At Varying Latitudes Challenges The Construct Of A Physiologic Norm, Ramon A. Durazo-Arvizu, Pauline Camacho, Pascal Bovet, Terrence Forrester, Estelle V. Lambert, Jacob Plange-Rhule, Andrew N. Hoofnagle, John Aloia, Bamidele Tayo, Lara R. Dugas, Richard S. Cooper, Amy Luke

Faculty Publications

Background: The vitamin D-endocrine system is thought to play a role in physiologic processes that range from mineral metabolism to immune function. Serum 25-hydroxyvitamin D [25(OH)D] is the accepted biomarker for vitamin D status. Skin color is a key determinant of circulating 25(OH)D concentrations, and genes responsible for melanin content have been shown to be under strong evolutionary selection in populations living in temperate zones. Little is known about the effect of latitude on mean concentrations of 25(OH)D in dark-skinned populations. Objective: The objective was to describe the distribution of 25(OH)D and its subcomponents in 5 population samples of African …

Improving The Efficiency Of Electrical Stimulation Activities After Spinal Cord Injury, David Dolbow, William R. Holcomb, Ashraf Gorgey

Faculty Publications

In order to enhance spinal cord injury (SCI) rehabilitation programs using neuromuscular electrical stimulation (NMES) and functional electrical stimulation (FES) it is important to examine the manner in which muscle fibers are recruited and the dose–response relationship. A review of the literature suggests that premature force decline and early fatigue with NMES and FES activities may be alleviated with decreased current frequency and increased current intensity. Dose–response relationships with NMES and FES are dependent on the goals of interest as reversing muscle atrophy can be achieved with activities 2–3 times per week for 6 or more weeks while increasing bone …

Influence Of Resource Levels, Organic Compounds And Laboratory Colonization On Interspecific Competition Between The Asian Tiger Mosquito Aedes Albopictus (Stegomyia Albopicta) And The Southern House Mosquito Culex Quinquefasciatus, D.W. Allgood, Donald A. Yee

Faculty Publications

The mosquitoes Aedes albopictus (Stegomyia albopicta) (Skuse) and Culex quinquefasciatus (Say) (Diptera: Culicidae) are common inhabitants of tyres and other artificial containers, which constitute important peridomestic mosquito breeding habitats. We tested the hypotheses that interspecific resource competition between the larvae of these species is asymmetrical, that the concentration of chemicals associated with decomposing detritus affects the competitive outcomes of these species, and that wild and colonized strains of Cx. quinquefasciatus are affected differently by competition with Ae. albopictus. We conducted two laboratory competition experiments wherein we measured survivorship and estimated population growth (λ′) in both species under …

Comparisons Of Intensity-Duration Patterns Of Physical Activity In The Us, Jamaica And 3 African Countries, Lara R. Dugas, Pascal Bovet, Terrence E. Forrester, Estelle V. Lambert, Jacob Plange-Rhule, Ramon A. Durazo-Arvizu, David Shoham, Jacolene Kroff, Guichan Cao, Richard S. Cooper, Soren Brage, Ulf Ekelund, Amy Luke

Faculty Publications

Background: This difference in how populations living in low-, middle or upper-income countries accumulate daily PA, i.e. patterns and intensity, is an important part in addressing the global PA movement. We sought to characterize objective PA in 2,500 participants spanning the epidemiologic transition. The Modeling the Epidemiologic Transition Study (METS) is a longitudinal study, in 5 countries. METS seeks to define the association between physical activity (PA), obesity and CVD risk in populations of African origin: Ghana (GH), South Africa (SA), Seychelles (SEY), Jamaica (JA) and the US (suburban Chicago).

Three-Year Change In The Wellbeing Of Orphaned And Separated Children In Institutional And Family-Based Care Settings In Five Low- And Middle-Income Countries, Kathryn Whetten, Jan Ostermann, Brian W. Pence, Rachel A. Whetten, Lynne C. Messer, Sumedha Ariely, Karen O'Donnell, Augustine I. Wasonga, Vanroth Vann, Dafrosa Itemba, Misganaw Eticha, Ira Madan, Nathan M. Thielman, The Positive Outcomes For Orphans (Pofo) Research Team

Faculty Publications

Background With more than 2 million children living in group homes, or “institutions”, worldwide, the extent to which institution-based caregiving negatively affects development and wellbeing is a central question for international policymakers.

Methods A two-stage random sampling methodology identified community representative samples of 1,357 institution-dwelling orphaned and separated children (OSC) and 1,480 family-dwelling OSC aged 6–12 from 5 low and middle income countries. Data were collected from children and their primary caregivers. Survey-analytic techniques and linear mixed effects models describe child wellbeing collected at baseline and at 36 months, including physical and emotional health, growth, cognitive development and memory, and …

Getting Into The Meat Of The Word Of Wisdom, A. Jane Birch

Faculty Publications

Doctrine & Covenants Section 89 is known as the "health code" for members of The Church of Jesus Christ of Latter-day Saints. In verse 13 of this scripture, the Lord states, “it is pleasing unto me that they [flesh of beasts and fowls of the air] should not be used, only in times of winter, or of cold, or famine” (D&C 89:13). Judging from the variety of interpretations this single verse has inspired, it would appear to be deeply enigmatic. Interestingly, most interpretations have been put forward with little supporting evidence. This article is the first comprehensive analysis of the …

Weekly And Holiday-Related Patterns Of Panic Attacks In Panic Disorder: A Population-Based Study, Li-Ting Kao, Sudha Xirasagar, Kuo-Hsuan Chung, Herng-Ching Lin, Shih-Ping Liu, Shiu-Dong Chung

Faculty Publications

Background: While chronobiological studies have reported seasonal variation in panic attacks (PA) episodes, information on the timing of PA by week-days may enable better understanding of the triggers of PA episodes and thereby provide pointers for suitable interventional approaches to minimize PA attacks. This study investigated weekly variation in potential PA admissions including associations with holidays using a population-based longitudinal, administrative claims-based dataset in an Asian population.

Methods: This study used ambulatory care data from the ‘‘Longitudinal Health Insurance Database 2000. We identified 993 patients with panic disorder (PD), and they had 4228 emergency room (ER) admissions for potential PA …

Effects Of Nutritional Level Of Concentrate‐Based Diets On Meat Quality And Expression Levels Of Genes Related To Meat Quality In Hainan Black Goats, Dingfa Wang, Luli Zhou, Hanlin Zhou, Guanyu Hou, Liguang Shi, Mao Li, Xianzhou Huang, Song Guan

Faculty Publications

The present study investigated the effects of the nutritional levels of diets on meat quality and related gene expression in Hainan black goat. Twenty-four goats were divided into six dietary treatments and were fed a concentrate-based diet with two levels of crude protein (CP) (15% or 17%) and three levels of digestive energy (DE) (11.72, 12.55 or 13.39 MJ/kg DM) for 90 days. Goats fed the concentrate-based diet with 17% CP had significantly (P < 0.05) higher average daily gains (ADG) and better feed conversion rates (FCR). The pH 24h value tended to decrease (P < 0.05) with increasing DE levels. The tenderness of Longissimus dorsi muscle (LD) and Semimembranosus muscle (SM) reduced with increasing CP levels (P < 0.05). With increasing DE levels, tenderness was increased (P < 0.05). The heart fatty acid-binding protein (H-FABP) mRNA expression levels in LD and SM increased with increasing DE levels (P < 0.05), but decreased with increasing CP levels (P < 0.05). The calpastatin (CAST) and μ-calpain mRNA expressions levels in LD and SM were affected significantly (P < 0.05) by CP and DE levels in the diet. Therefore, the nutritional levels of diets affect meat quality and expression levels of genes associated with meat quality in Hainan black goats.

Multipolarity, Intellectual Property And The Internationalization Of Public Health Law, Sam F. Halabi

Faculty Publications

This Article critically examines the proliferation of international legal agreements addressing global health threats like the outbreak of infectious diseases, tobacco use and lack of access to affordable medicines. The conventional wisdom behind this trend is that a global normative shift has occurred which has caused states to regard health as “special” and less subject to the normal rules of international law making because health threats endanger all of humanity. This Article challenges that thesis, arguing that at the same time the number and scope of international health law treaties has grown, developed states have subordinated health law to intellectual …

The Home: Where Our Heart Resides, David M. English

Faculty Publications

Helping a client maximize the use of his or her home for these purposes is no simple task. It requires knowledge of options and resources across many domains. But stepping back and taking a broader look at these strategic opportunities and pitfalls is useful in appreciating the knowledge and skill set needed to competently counsel and represent aging clients. This article looks first at a variety of consumer protection issues, examines the interrelationship between the home and a variety of government benefits, and concludes with a discussion of technology that may enable an elderly person to remain in the place …

Cognition: The New Frontier For Nuts And Berries, Peter Pribis, Barbara Shukitt-Hale

Faculty Publications

The inclusion of nuts in the diet is associated with a decreased risk of coronary artery disease, hypertension, gallstones, diabetes, cancer, metabolic syndrome, and visceral obesity. Frequent consumption of berries seems to be associated with improved cardiovascular and cancer outcomes, improved immune function, and decreased recurrence of urinary tract infections; the consumption of nuts and berries is associated with reduction in oxidative damage, inflammation, vascular reactivity, and platelet aggregation, and improvement in immune functions. However, only recently have the effects of nut and berry consumption on the brain, different neural systems, and cognition been studied. There is growing evidence that …

Elaborate Visual And Acoustic Signals Evolve Independently In A Large, Phenotypically Diverse Radiation Of Songbirds, Nicholas A. Mason, Allison J. Shultz, Kevin J. Burns

Faculty Publications

The concept of a macroevolutionary trade-off among sexual signals has a storied history in evolutionary biology. Theory predicts that if multiple sexual signals are costly for males to produce or maintain and females prefer a single, sexually selected trait, then an inverse correlation between sexual signal elaborations is expected among species. However, empirical evidence for what has been termed the 'transfer hypothesis' is mixed, which may reflect different selective pressures among lineages, evolutionary covariates or methodological differences among studies. Here,we examine interspecific correlations between song and plumage elaboration in a phenotypically diverse, widespread radiation of songbirds, the tanagers. The tanagers …

Artemisia Scoparia Enhances Adipocyte Development And Endocrine Function In Vitro And Enhances Insulin Action In Vivo, Allison J. Richard, Scott Fuller, Veaceslav Fedorcenco, Robbie Beyl, Thomas P. Burris, Randall Mynatt, David M. Ribnicky, Jacqueline M. Stephens

Faculty Publications

Background: Failure of adipocytes to expand during periods of energy excess can result in undesirable metabolic consequences such as ectopic fat accumulation and insulin resistance. Blinded screening studies have indicated that Artemisia scoparia (SCO) extracts can enhance adipocyte differentiation and lipid accumulation in cultured adipocytes. The present study tested the hypothesis that SCO treatment modulates fat cell development and function in vitro and insulin sensitivity in adipose tissue in vivo. Methods: In vitro experiments utilized a Gal4-PPARγ ligand binding domain (LBD) fusion protein-luciferase reporter assay to examine PPARγ activation. To investigate the ability of SCO to modulate adipogenesis and mature …

Comparative Systems Biology Reveals Allelic Variation Modulating Tocochromanol Profiles In Barley (Hordeum Vulgare L.), Rebekah E. Oliver, Emir Islamovic, Donald E. Obert, Mitchell L. Wise, Lauri L. Herrin, An Hang, Stephen A. Harrison, Amir Ibrahim, Juliet M. Marshall, Kelci J. Miclaus, Gerard R. Lazo, Gongshe Hu, Eric W. Jackson

Faculty Publications

Tocochromanols are recognized for nutritional content, plant stress response, and seed longevity. Here we present a systems biological approach to characterize and develop predictive assays for genes affecting tocochromanol variation in barley. Major QTL, detected in three regions of a SNP linkage map, affected multiple tocochromanol forms. Candidate genes were identified through barley/rice orthology and sequenced in genotypes with disparate tocochromanol profiles. Gene-specific markers, designed based on observed polymorphism, mapped to the originating QTL, increasing R2 values at the respective loci. Polymorphism within promoter regions corresponded to motifs known to influence gene expression. Quantitative PCR analysis revealed a trend of …

Mortality Risk And Survival In The Aftermath Of The Medieval Black Death, Sharon Dewitte

Faculty Publications

The medieval Black Death (c. 1347-1351) was one of the most devastating epidemics in human history. It killed tens of millions of Europeans, and recent analyses have shown that the disease targeted elderly adults and individuals who had been previously exposed to physiological stressors. Following the epidemic, there were improvements in standards of living, particularly in dietary quality for all socioeconomic strata. This study investigates whether the combination of the selective mortality of the Black Death and post-epidemic improvements in standards of living had detectable effects on survival and mortality in London. Samples are drawn from several pre- and post-Black …

El Niño-Southern Oscillation Is Linked To Decreased Energetic Condition In Long-Distance Migrants, Kristina Paxton, Emily B. Cohen, Zoltán Németh, Frank R. Moore

Faculty Publications

Predicting how migratory animals respond to changing climatic conditions requires knowledge of how climatic events affect each phase of the annual cycle and how those effects carry-over to subsequent phases. We utilized a 17-year migration dataset to examine how El Niño-Southern Oscillation climatic events in geographically different regions of the Western hemisphere carry-over to impact the stopover biology of several intercontinental migratory bird species. We found that migratory birds that over-wintered in South America experienced significantly drier environments during El Niño years, as reflected by reduced Normalized Difference Vegetation Index (NDVI) values, and arrived at stopover sites in reduced energetic …

Reducing Cardiovascular Disease Risk In Mid-Life And Older African Americans: A Church-Based Longitudinal Intervention Project At Baseline, Penny A. Ralston, Jennifer L. Lemacks, Kandauda (.K.A.S.). Wickrama, Iris Young-Clark, Catherine Coccia, Jasminka Z. Ilich, Cynthia M. Harris, Celeste B. Hart, Arrie M. Battle, Catherine Walker O'Neal

Faculty Publications

Introduction: African Americans (AAs) experience higher age-adjusted morbidity and mortality than Whites for cardiovascular disease (CVD). Church-based health programs can reduce risk factors for CVD, including elevated blood pressure [BP], excess body weight, sedentary lifestyle and diet. Yet few studies have incorporated older adults and longitudinal designs.

Purposes: The aims of this study are to: a) describe a theory-driven longitudinal intervention study to reduce CVD risk in mid-life and older AAs; b) compare selected dietary (fruit and vegetable servings/day, fat consumption), physical activity (PA) and clinical variables (BMI, girth circumferences, systolic and diastolic BP, LDL, HDL, total cholesterol …

A Mixed Ecologic-Cohort Comparison Of Physical Activity & Weight Among Young Adults From Five Populations Of African Origin, Amy Luke, Pascal Bovet, Jacob Plange-Rhule, Terrence E. Forrester, Estelle V. Lambert, Dale A. Schoeller, Lara R. Dugas, Ramon A. Durazo-Arvizu, David A. Shoham, Guichan Cao, Soren Brage, Ulf Ekelund, Richard S. Cooper

Faculty Publications

Background: Examination of patterns and intensity of physical activity (PA) across cultures where obesity prevalence varies widely provides insight into one aspect of the ongoing epidemiologic transition. The primary hypothesis being addressed is whether low levels of PA are associated with excess weight and adiposity. Methods. We recruited young adults from five countries (500 per country, 2500 total, ages 25-45 years), spanning the range of obesity prevalence. Men and women were recruited from a suburb of Chicago, Illinois, USA; urban Jamaica; rural Ghana; peri-urban South Africa; and the Seychelles. PA was measured using accelerometry and expressed as minutes per day …

Extracurricular School-Based Sports As A Motivating Vehicle For Sports Participation In Youth: A Cross-Sectional Study, An V. De Meester, Nathalie Aelterman, Greet Cardon, Ilse De Bourdeaudhuij, Leen Haerens

Faculty Publications

Background

Extracurricular school-based sports are considered to be an ideal means of reaching children who are not active in community sports. The purposes of this study were to examine the extent to which pupils not engaging in community sports do participate in extracurricular school-based sports, and to assess whether extracurricular school-based sports participants are more physically active and/or more autonomously motivated towards sports in daily life than children who do not participate in extracurricular school-based sports.

Methods

One thousand forty-nine children (53.7% boys; M age = 11.02 years, SD = 0.02) out of 60 classes from 30 Flemish elementary schools, …

School And Community-Based Childhood Obesity: Implications For Policy And Practice, Suzette Fromm Reed, Judah J. Viola, Karen Lynch

Faculty Publications

This introduction to a special issue of the Journal of Prevention and Intervention in the Community on the topic of childhood obesity prevention lays some of the basis for the state of affairs of the childhood obesity epidemic in the United States as of 2012 and the need for and types of existing prevention and intervention efforts underway. At the intersection of public health and community psychology, each of the five articles presents some insights into how prevention and intervention efforts currently underway are fairing and offers some implications for program developers and policy makers to start to turn around …