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A Novel Sparse Compositional Technique Reveals Microbial Perturbations, Cameron Martino, James T. Morton, Clarisse A. Martoz, Luke R. Thompson, Anupriya Tripathi, Rob Knight, Karsten Zengler Jan 2019

A Novel Sparse Compositional Technique Reveals Microbial Perturbations, Cameron Martino, James T. Morton, Clarisse A. Martoz, Luke R. Thompson, Anupriya Tripathi, Rob Knight, Karsten Zengler

Faculty Publications

The central aims of many host or environmental microbiome studies are to elucidate factors associated with microbial community compositions and to relate microbial features to outcomes. However, these aims are often complicated by difficulties stemming from high-dimensionality, non-normality, sparsity, and the compositional nature of microbiome data sets. A key tool in microbiome analysis is beta diversity, defined by the distances between microbial samples. Many different distance metrics have been proposed, all with varying discriminatory power on data with differing characteristics. Here, we propose a compositional beta diversity metric rooted in a centered log-ratio transformation and matrix completion called robust Aitchison …


Case–Control Research Study Of Auto-Brewery Syndrome, Barbara Jean Cordell, Anup Kanodia, Gregory K. Miller Jan 2019

Case–Control Research Study Of Auto-Brewery Syndrome, Barbara Jean Cordell, Anup Kanodia, Gregory K. Miller

Faculty Publications

Background: Auto-brewery syndrome (ABS), also known as Gut Fermentation Syndrome and Endogenous Ethanol Fermentation, is afflicting people worldwide, but little is known about ABS patients’ demographics, health history, lifestyle factors, and diet.

Method: We conducted a broad-based case–control survey study on 52 patients known to have a diagnosis of ABS and their household members. The research compares the symptomatic group (N ¼ 28) to the asymptomatic group (N ¼ 18) regarding lifestyle and health, diet, and medical history.

Results: With a response rate of 88% and using rank-sum tests, the data demonstrate that patients with ABS have …


Corporations As Semi-States, Jay Butler Jan 2019

Corporations As Semi-States, Jay Butler

Faculty Publications

When Ebola came to West Africa in 2014, Liberia could not cope. The State’s already fragile public health infrastructure was largely ineffective in responding to the illness and preventing its spread. And, the World Health Organization’s support was slow and stilted. By contrast, Firestone, a tire company that operates a vast rubber plantation in Liberia and runs its own hospital for 80,000 employees, family dependents, and persons in neighboring localities, responded to the virus much more effectively.

This Article uses Firestone’s Ebola response as an entry point to study a phenomenon too frequently overlooked. Many for-profit firms that maintain operations …


Internet Of Things In Smart Agriculture: Enabling Technologies, Abdul Salam, Syed Shah Jan 2019

Internet Of Things In Smart Agriculture: Enabling Technologies, Abdul Salam, Syed Shah

Faculty Publications

In this paper, an IoT technology research and innovation roadmap for the field of precision agriculture (PA) is presented. Many recent practical trends and the challenges have been highlighted. Some important objectives for integrated technology research and education in precision agriculture are described. Effective IoT based communications and sensing approaches to mitigate challenges in the area of precision agriculture are presented.


The Role Of Food Processing In The Inflammatory Potential Of Diet During Pregnancy, Carolina Assis Silva, Izabela Da Silva Santos, Nitin Shivappa, James R. Hebert, Livia Castro Crivellenti, Daniela Saes Sartorelli Jan 2019

The Role Of Food Processing In The Inflammatory Potential Of Diet During Pregnancy, Carolina Assis Silva, Izabela Da Silva Santos, Nitin Shivappa, James R. Hebert, Livia Castro Crivellenti, Daniela Saes Sartorelli

Faculty Publications

The aim was to investigate the relationship between the energy contribution (E%) of foods according to the degree of industrial processing and the energy-adjusted dietary inflammatory index (E-DII) in pregnancy. Two 24-hour dietary recalls were obtained from each of the 784 pregnant women. Adjusted linear regression models allowed observing an inverse association between E-DII scores and E% from minimally processed foods β = -0.049 (95%CI -0.055– -0.042) and a direct association with the E% of ultra-processed foods β = 0.052 (95%CI 0.045–0.058), indicating a relationship between the dietary inflammatory potential and the degree of industrial processing of foods.


Digital Information Technology Use And Patient Preferences For Internet-Based Health Education Modalities: Cross-Sectional Survey Study Of Middle-Aged And Older Adults With Chronic Health Conditions, Nancy P. Gordon, Elizabeth L. Crouch Jan 2019

Digital Information Technology Use And Patient Preferences For Internet-Based Health Education Modalities: Cross-Sectional Survey Study Of Middle-Aged And Older Adults With Chronic Health Conditions, Nancy P. Gordon, Elizabeth L. Crouch

Faculty Publications

Background: Health information, patient education, and self-management (health information and advice, HIA) tools are increasingly being made available to adults with chronic health conditions through internet-based health and mobile health (mHealth) digital information technologies. However, there is limited information about patient preferences for using specific types of health information and advice resources and how preferences and usage differ by age group and education.

Objective:The objective of this study was to examine how use of digital information technologies and preferred methods for obtaining health information and advice varies by age group and education among middle-aged and older adults with chronic …


Prevalence And Factors Influencing Use Of Internet And Electronic Health Resources By Middle-Aged And Older Adults In A Us Health Plan Population: Cross-Sectional Survey Study, Elizabeth L. Crouch, Nancy P. Gordon Jan 2019

Prevalence And Factors Influencing Use Of Internet And Electronic Health Resources By Middle-Aged And Older Adults In A Us Health Plan Population: Cross-Sectional Survey Study, Elizabeth L. Crouch, Nancy P. Gordon

Faculty Publications

Background: Health care organizations are increasingly using electronic health (eHealth) platforms to provide and exchange health information and advice (HIA). There is limited information about how factors beyond internet access affect use of eHealth resources by middle-aged and older adults.

Objective: We aimed to estimate prevalence of use of the internet, health plan patient portal, and Web-based HIA among middle-aged and older adults; investigate whether similar sociodemographic-related disparities in eHealth resource use are found among middle-aged and older adults; and examine how sociodemographic and internet access factors drive disparities in eHealth resource use among adults who use the internet.

Methods: …


Concentration-Dependent Effects Of A Dietary Ketone Ester On Components Of Energy Balance In Mice, Sarah E. Deemer, Rachel A. Davis, Barbara A. Gower, Andrew P. Koutnik, Angela M. Poff, Stephanie L. Dickinson, David B. Allison, Dominic P. D'Agostino, Eric P. Plaisance Jan 2019

Concentration-Dependent Effects Of A Dietary Ketone Ester On Components Of Energy Balance In Mice, Sarah E. Deemer, Rachel A. Davis, Barbara A. Gower, Andrew P. Koutnik, Angela M. Poff, Stephanie L. Dickinson, David B. Allison, Dominic P. D'Agostino, Eric P. Plaisance

Faculty Publications

Exogenous ketones may provide therapeutic benefit in treatment of obesity. Administration of the ketone ester (KE) R,S-1,3-butanediol acetoacetate diester (BD-AcAc) decreases body weight in mice, but effects on energy balance have not been extensively characterized. The purpose of this investigation was to explore concentration-dependent effects of BD-AcAc on energy intake and expenditure in mice. Forty-two male C57BL/6J mice were randomly assigned to one of seven isocaloric diets ( = 6 per group): (1) Control (CON, 0% KE by kcals); (2) KE5 (5% KE); (3) KE10 (10% KE); (4) KE15 (15% KE); (5) KE20 (20% KE); (6) KE25 (25% KE); and …


Meat: A Novel, Sergey Belyaev, Boris Pilnyak, Ronald D. Leblanc Jan 2019

Meat: A Novel, Sergey Belyaev, Boris Pilnyak, Ronald D. Leblanc

Faculty Publications

An English-language translation of a Russian novel that appeared in the Soviet thick journal "Novyi Mir" in three installments during February, March, and April of 1936.


Resveratrol Attenuates Allergic Asthma And Associated Inflammation In The Lungs Through Regulation Of Mirna-34a That Targets Foxp3 In Mice, Esraah Alharris, Hasan Alghetaa, Ratanesh K. Seth, Saurabh Chatterjee, Narendra P. Singh, Mitzi Nagarkatti, Prakash Nagarkatti Dec 2018

Resveratrol Attenuates Allergic Asthma And Associated Inflammation In The Lungs Through Regulation Of Mirna-34a That Targets Foxp3 In Mice, Esraah Alharris, Hasan Alghetaa, Ratanesh K. Seth, Saurabh Chatterjee, Narendra P. Singh, Mitzi Nagarkatti, Prakash Nagarkatti

Faculty Publications

Asthma is a chronic inflammatory disease of airways mediated by T-helper 2 (Th2) cells involving complex signaling pathways. Although resveratrol has previously been shown to attenuate allergic asthma, the role of miRNA in this process has not been studied. We investigated the effect of resveratrol on ovalbumin-induced experimental allergic asthma in mice. To that end, BALB/c mice were immunized with ovalbumin (OVA) intraperitoneally followed by oral gavage of vehicle (OVA-veh) or resveratrol (100 mg/kg body) (OVA-res). On day 7, the experimental groups received intranasal challenge of OVA followed by 7 days of additional oral gavage of vehicle or resveratrol. At …


Positive Association Between Dietary Inflammatory Index And The Risk Of Osteoporosis: Results From The Koges_Health Examinee (Hexa) Cohort Study, Hye Sun Kim, Cheongmin Sohn, Minji Kwon, Woori Na, Nitin Shivappa, James R. Hébert, Mi Kyung Kim Dec 2018

Positive Association Between Dietary Inflammatory Index And The Risk Of Osteoporosis: Results From The Koges_Health Examinee (Hexa) Cohort Study, Hye Sun Kim, Cheongmin Sohn, Minji Kwon, Woori Na, Nitin Shivappa, James R. Hébert, Mi Kyung Kim

Faculty Publications

Previous studies have found that diet’s inflammatory potential is related to various diseases. However, little is known about its relationship with osteoporosis. The aim of this study was to investigate the association between the dietary inflammatory index (DII®) and osteoporosis risk in a large-scale prospective cohort study in Korea. This prospective cohort study included 159,846 participants (men 57,740; women 102,106) from South Korea with a mean follow-up of 7.9 years. The DII was calculated through a validated semi-quantitative FFQ (SQFFQ), and information on osteoporosis was self-reported by the participants. Analyses were performed by using a multivariable Cox proportional hazard model. …


Rhizosphere Microbial Communities Of Spartina Alternifloa And Juncus Roemerianus From Restored And Natural Tidal Marshes On Deer Island, Mississippi, Olga Mavrodi, Carina M. Jung, Jed O. Eberly, Samuel Hendry, Sanchirmaa Namijilsuren, Patrick D. Biber, Karl J. Indest, Dmitri V. Mavrodi Dec 2018

Rhizosphere Microbial Communities Of Spartina Alternifloa And Juncus Roemerianus From Restored And Natural Tidal Marshes On Deer Island, Mississippi, Olga Mavrodi, Carina M. Jung, Jed O. Eberly, Samuel Hendry, Sanchirmaa Namijilsuren, Patrick D. Biber, Karl J. Indest, Dmitri V. Mavrodi

Faculty Publications

The U. S. Gulf of Mexico is experiencing a dramatic increase in tidal marsh restoration actions, which involves planting coastal areas with smooth cordgrass (Spartina alterniflora) and black needlerush (Juncus roemerianus) for erosion control and to provide habitat for fish and wildlife. It can take decades for sedimentary cycles in restored marshes to approach reference conditions, and the contribution of the sediment microbial communities to these processes is poorly elucidated. In this study, we addressed this gap by comparing rhizosphere microbiomes of S. alterniflora and J. roemerianus from two restored marshes and a natural reference marsh located at Deer Island, …


Multidimensional Relationships Of Herbicides With Insect-Crop Food Webs, Anamika Sharma, Prashant Jha, Gadi V.P. Reddy Dec 2018

Multidimensional Relationships Of Herbicides With Insect-Crop Food Webs, Anamika Sharma, Prashant Jha, Gadi V.P. Reddy

Faculty Publications

Controlling weeds is critical for improving the yield and quality of crops. Herbicides are the most commonly applied pesticides in agro-ecosystems. Herbicides affect insects directly as contact damage and indirectly by influencing food supplies. The innate susceptibility, life stages, and mode of feeding of insects can affect the herbicide–insect interaction. Interaction of herbicides with insect pest and beneficial insects is mainly indirect and absence of weeds either can reduce the insect population or causes switching of host plant and hence can also increase the population. The direct effect of herbicides depends on carrier or surfactant used. Presence of herbicides also …


Adoption Of Sustainable Agriculture Practices Among Farmers In Kentucky, Usa, Bijesh Mishra, Buddhi R. Gyawali, Krishna P. Paudel, Neelam C. Poudyal, Marion F. Simon, Siddhartha Dasgupta, George Antonious Dec 2018

Adoption Of Sustainable Agriculture Practices Among Farmers In Kentucky, Usa, Bijesh Mishra, Buddhi R. Gyawali, Krishna P. Paudel, Neelam C. Poudyal, Marion F. Simon, Siddhartha Dasgupta, George Antonious

Faculty Publications

© 2018, Springer Science+Business Media, LLC, part of Springer Nature. Promoting the sustainable agricultural practices at an individual farm level is essential to ensure agricultural sustainability. This study analyzed whether and how various factors related to farm or farmers’ characteristics influence the adoption intensity of sustainable agriculture practices. We used a negative binomial regression model to fit the data collected from a mail survey of farmers in Kentucky, USA. Our results showed that the adoption intensity of sustainable agriculture practices varied significantly among agricultural districts in Kentucky. Farmers who grew row crops, had irrigation facilities, and were in favor of …


Reporting Characteristics In Sports Nutrition, Conrad P. Earnest, Brandon M. Roberts, Christopher R. Harnish, Jessica L. Kutz, Jason M. Cholewa, Neil M. Johannsen Dec 2018

Reporting Characteristics In Sports Nutrition, Conrad P. Earnest, Brandon M. Roberts, Christopher R. Harnish, Jessica L. Kutz, Jason M. Cholewa, Neil M. Johannsen

Faculty Publications

Purpose: To examine data reporting characteristics in sports nutrition. Methods: We examined 236 papers from ten journals published in 2016. The primary outcome was statistical variance associated with treatment (SD (correct) vs. SEM or CI). Secondary outcomes included the reporting of: (a) effect sizes (Y/N); (b) outcome prioritization (Y/N; primary, secondary, etc.) and (c) statistical variance relative to change from baseline (CI (correct) vs. SD or SEM). As tertiary/exploratory outcome, we examined whether authors stated a directed hypothesis. Statistical evaluation was performed using chi-square analyses. Results: We observed significant trends for all analyses (p < 0.001) and between category comparisons (p < 0.002). For the primary outcome, 128 (59%) articles correctly used SD to denote treatment variance, while 79 (36%) and 11 (5%) used SEM and CI, respectively. For secondary outcomes, 63 articles (29%) reported effect sizes, while 155 (71%) did not. Additionally, 188 articles (86%) did not prioritize outcomes, 134 articles (61%) stated no hypotheses and 40 (19%, out of 100) articles used CI to denote change scores vs. SD (19%, n = 41) and SEM (n = 10, 5%). Eight articles (4%) reported no variance terms. Conclusions: Overall, there are gaps regarding reporting in sports nutrition. Editors, journal publishers, and the field of exercise science alike should consider these outcomes and provide editorial staff, reviewers and authors with more concrete guidelines.


Effect Of Surrounding Vegetation On Microbial Survival Or Die-Off On Watermelon Surface In An Agriculture Setting, Vijay Singh Chhetri, Kathryn Fontenot, Ronald Strahan, Veerachandra K. Yemmireddy, Katheryn J. Parraga Estrada, Achyut Adhikari Dec 2018

Effect Of Surrounding Vegetation On Microbial Survival Or Die-Off On Watermelon Surface In An Agriculture Setting, Vijay Singh Chhetri, Kathryn Fontenot, Ronald Strahan, Veerachandra K. Yemmireddy, Katheryn J. Parraga Estrada, Achyut Adhikari

Faculty Publications

Preharvest contamination of produce with food borne pathogens has been a major food safety issue. In this study, we investigated the effect of surrounding vegetation on the survival of natural and inoculated generic Escherichia coli on watermelon rinds in an agricultural field setting. There was no significant difference (p >.05) on the populations of natural generic E. coli (1–1.46 log Most Probable Number (MPN)/sample) and coliforms (<3.99 log CFU/cm2) on watermelons harvested from low, medium, and high levels of vegetation. However, the survival rate of generic E. coli inoculated on watermelon rind discs was variable with the level of vegetation. A significant reduction in generic E. coli count was observed within 12 hr at all vegetation levels. After 108 hr, discs placed at low vegetation level had a highest die-off reduction (3 log Colony Forming Units (CFU)/cm2) compared to medium and high vegetation levels. Practical applications: To ensure preharvest produce safety, the Food Safety Modernization Act (FSMA) produce safety rule has suggested a time interval between last irrigation and harvest for potentially contaminating microorganisms to die-off. However, a knowledge gap exists regarding the influence of surrounding vegetation on microbial die-off rates on produce in the agricultural field. The findings of this study emphasize the importance of considering the surrounding vegetation while making decisions for developing preharvest risk management strategies based on microbial die-off rate calculations.


Supplemental Nitrogen Applications On Corn In Lower Mississippi River Delta Alluvial Soils, Henry J. Mascagni, Brenda Tubana, Marilyn Dalen Dec 2018

Supplemental Nitrogen Applications On Corn In Lower Mississippi River Delta Alluvial Soils, Henry J. Mascagni, Brenda Tubana, Marilyn Dalen

Faculty Publications

Core Ideas: Corn optimal N rate on two alluvial soils ranged from 200 to 265 kg N ha−1. Supplemental N applied at early silk increases corn grain yield on two alluvial soils. Relative chlorophyll readings did not consistently diagnose need for supplemental N. Nitrogen deficiency may occur late in the corn (Zea mays L.) growing season due to N fertilizer loss, particularly on poorly drained clay soils, or increased plant demand. Results from field trials conducted from 2006 to 2014 at the Northeast Research Station, St. Joseph, LA, were summarized to evaluate the influence of supplemental N (SN) on corn …


Taxon-Specific Aerosolization Of Bacteria And Viruses In An Experimental Ocean-Atmosphere Mesocosm, Jennifer M. Michaud, Luke R. Thompson, Drishti Kaul, Josh L. Espinoza, R. Alexander Richter, Zhenjiang Zech Xu, Christopher Lee, Kevin M. Pham, Charlotte M. Beall, Francesca Malfatti, Farooq Azam, Rob Knight, Michael D. Burkart, Christopher L. Dupont, Kimberly A. Prather Dec 2018

Taxon-Specific Aerosolization Of Bacteria And Viruses In An Experimental Ocean-Atmosphere Mesocosm, Jennifer M. Michaud, Luke R. Thompson, Drishti Kaul, Josh L. Espinoza, R. Alexander Richter, Zhenjiang Zech Xu, Christopher Lee, Kevin M. Pham, Charlotte M. Beall, Francesca Malfatti, Farooq Azam, Rob Knight, Michael D. Burkart, Christopher L. Dupont, Kimberly A. Prather

Faculty Publications

Ocean-derived, airborne microbes play important roles in Earth’s climate system and human health, yet little is known about factors controlling their transfer from the ocean to the atmosphere. Here, we study microbiomes of isolated sea spray aerosol (SSA) collected in a unique ocean–atmosphere facility and demonstrate taxon-specific aerosolization of bacteria and viruses. These trends are conserved within taxonomic orders and classes, and temporal variation in aerosolization is similarly shared by related taxa. We observe enhanced transfer into SSA of Actinobacteria, certain Gammaproteobacteria, and lipid-enveloped viruses; conversely, Flavobacteriia, some Alphaproteobacteria, and Caudovirales are generally under-represented in SSA. Viruses do not transfer …


Neonatal Vitamin A Injection Promotes Cattle Muscle Growth And Increases Oxidative Muscle Fibers, Bo Wang, Wei Nie, Xing Fu, Jeanene M. De Avila, Yannan Ma, Mei Jun Zhu, Martin Maquivar, Steven M. Parish, Jan R. Busboom, Mark L. Nelson, Min Du Nov 2018

Neonatal Vitamin A Injection Promotes Cattle Muscle Growth And Increases Oxidative Muscle Fibers, Bo Wang, Wei Nie, Xing Fu, Jeanene M. De Avila, Yannan Ma, Mei Jun Zhu, Martin Maquivar, Steven M. Parish, Jan R. Busboom, Mark L. Nelson, Min Du

Faculty Publications

© 2018 The Author(s). Background: Vitamin A and its metabolite, retinoic acid (RA), are important regulators of cell differentiation and organ morphogenesis. Its impact on beef cattle muscle growth remains undefined. Method: Angus steer calves were administrated with 0 (control) or 150,000IU vitamin A (retinyl palmitate in glycerol, i.m.) per calf at birth and 1 month of age. At 2 months of age, a biopsy of the Biceps femoris muscle was obtained to analyze the immediate effects of vitamin A injection on myogenic capacity of muscle cells. The resulting steers were harvested at 14months of age. Results: Vitamin A administration …


A Program To Treat Hepatitis B In North Korea: A Model Of Antiviral Therapy In A Resource-Poor Setting, Marcia Ann Kilsby, Alice Unah Lee, Heidi Linton, David C. Hilmers Nov 2018

A Program To Treat Hepatitis B In North Korea: A Model Of Antiviral Therapy In A Resource-Poor Setting, Marcia Ann Kilsby, Alice Unah Lee, Heidi Linton, David C. Hilmers

Faculty Publications

Despite the well-proven, safe and effective therapies for hepatitis B infection, delivery of treatment remains a significant challenge in resource-poor settings. Geopolitical and economic restrictions present additional difficulties in providing care in North Korea. However, treatment of patients with chronic hepatitis B remains a top priority for both the North Korean Ministry of Public Health and international agencies working in North Korean hepatitis healthcare facilities. Working in partnership, a path was created to institute this much-needed program. A consortium of United States and Australian humanitarian non-governmental organizations along with generous individual and corporate donors working in concert with local and …


An Ethanolic Extract Of Artemisia Scoparia Inhibits Lipolysis In Vivo And Has Antilipolytic Effects On Murine Adipocytes In Vitro, Anik Boudreau, Allison J. Richard, Jasmine A. Burrell, William T. King, Ruth Dunn, Jean Marc Schwarz, David M. Ribnicky, Jennifer Rood, J. Michael Salbaum, Jacqueline M. Stephens Nov 2018

An Ethanolic Extract Of Artemisia Scoparia Inhibits Lipolysis In Vivo And Has Antilipolytic Effects On Murine Adipocytes In Vitro, Anik Boudreau, Allison J. Richard, Jasmine A. Burrell, William T. King, Ruth Dunn, Jean Marc Schwarz, David M. Ribnicky, Jennifer Rood, J. Michael Salbaum, Jacqueline M. Stephens

Faculty Publications

© 2018, American Physiological Society. All rights reserved. An ethanolic extract of Artemisia scoparia (SCO) has metabolically favorable effects on adipocyte development and function in vitro and in vivo. In diet-induced obese mice, SCO supplementation significantly reduced fasting glucose and insulin levels. Given the importance of adipocyte lipolysis in metabolic health, we hypothesized that SCO modulates lipolysis in vitro and in vivo. Free fatty acids and glycerol were measured in the sera of mice fed a high-fat diet with or without SCO supplementation. In cultured 3T3-L1 adipocytes, the effects of SCO on lipolysis were assessed by measuring glycerol and free …


Novel Modelling Approaches To Characterize And Quantify Carryover Effects On Sensory Acceptability, Damir Dennis Torrico, Wannita Jirangrat, Jing Wang, Penkwan Chompreeda, Sujinda Sriwattana, Witoon Prinyawiwatkul Nov 2018

Novel Modelling Approaches To Characterize And Quantify Carryover Effects On Sensory Acceptability, Damir Dennis Torrico, Wannita Jirangrat, Jing Wang, Penkwan Chompreeda, Sujinda Sriwattana, Witoon Prinyawiwatkul

Faculty Publications

Sensory biases caused by the residual sensations of previously served samples are known as carryover effects (COE). Contrast and convergence effects are the two possible outcomes of carryover. COE can lead to misinterpretations of acceptability, due to the presence of intrinsic psychological/physiological biases. COE on sensory acceptability (hedonic liking) were characterized and quantified using mixed and nonlinear models. N = 540 subjects evaluated grape juice samples of different acceptability qualities (A = good, B = medium, C = poor) for the liking of color (C), taste (T), and overall (OL). Three models were used to quantify COE: (1) COE as …


The Gut Microbiome And Aquatic Toxicology: An Emerging Concept For Environmental Health, Ondrej Adamovsky, Amanda Buerger, Alexis M. Wormington, Naomi Ector, Robert J. Griffitt, Joseph H. Bisesi Jr., Christopher J. Martyniuk Nov 2018

The Gut Microbiome And Aquatic Toxicology: An Emerging Concept For Environmental Health, Ondrej Adamovsky, Amanda Buerger, Alexis M. Wormington, Naomi Ector, Robert J. Griffitt, Joseph H. Bisesi Jr., Christopher J. Martyniuk

Faculty Publications

The microbiome plays an essential role in the health and onset of diseases in all animals, including humans. The microbiome has emerged as a central theme in environmental toxicology, as microbes interact with the host immune system in addition to its role in chemical detoxification. Pathophysiological changes in the gastrointestinal tissue caused by ingested chemicals, and metabolites generated from microbial biodegradation, can lead to systemic adverse effects. This critical review dissects what we know about the impacts of environmental contaminants on the microbiome of aquatic species, with special emphasis on the gut microbiome. We highlight some of the known major …


Temporal Dynamics Of Lipid And Fatty Acid Characteristics Of Gulf Menhaden, Brevoortia Patronus In The Northern Gulf Of Mexico, Robert R. Leaf, Jesse Trushenski, Nancy Brown-Peterson, Michael J. Andres Nov 2018

Temporal Dynamics Of Lipid And Fatty Acid Characteristics Of Gulf Menhaden, Brevoortia Patronus In The Northern Gulf Of Mexico, Robert R. Leaf, Jesse Trushenski, Nancy Brown-Peterson, Michael J. Andres

Faculty Publications

Gulf Menhaden, Brevoortia patronus, in the northern Gulf of Mexico support a large commercial fishery and are thought to play an important trophic role in the coastal ecosystem. The temporal dynamics of both fatty acid and oil content have a direct impact on the value of Gulf Menhaden to predators and to the fishery. In this work, we describe how oil content of Gulf Menhaden varies with season, sex, age, condition, and tissue and investigate how fatty acid composition of mature (137.5 mm FL) female tissues varies with season, month, and tissue type. We found pronounced temporal (January to …


Book Review: An Anxious Kind Of Mind: A True Story Of Rising Above Anxiety Disorders, By Randy Fishell.Columbia, Sc: Sbc Books, 2017, Gerald A. Klingbeil Oct 2018

Book Review: An Anxious Kind Of Mind: A True Story Of Rising Above Anxiety Disorders, By Randy Fishell.Columbia, Sc: Sbc Books, 2017, Gerald A. Klingbeil

Faculty Publications

No abstract provided.


Oxygen Deprivation Influences The Survival Of Listeria Monocytogenes In Gerbils, Jillian Harris, Oindrila Paul, Si Hong Park, Sally White, Khemraj Budachetri, Daniel M. Mcclung, Jessica G. Wilson, Alicia K. Olivier, Justin A. Thornton, Paul R. Broadway, Steven C. Ricke, Janet R. Donaldson Oct 2018

Oxygen Deprivation Influences The Survival Of Listeria Monocytogenes In Gerbils, Jillian Harris, Oindrila Paul, Si Hong Park, Sally White, Khemraj Budachetri, Daniel M. Mcclung, Jessica G. Wilson, Alicia K. Olivier, Justin A. Thornton, Paul R. Broadway, Steven C. Ricke, Janet R. Donaldson

Faculty Publications

Listeria monocytogenes is a facultative anaerobic foodborne pathogen capable of surviving harsh environments. Recent work has indicated that anaerobic conditions increase the resistance capability of certain strains to environmental stressors. The goal of the study was to conduct a preliminary study to determine whether exposure to anaerobic conditions prior to infection increases the ability to survive in vivo. Gerbils were inoculated with one of five doses of the L. monocytogenes strain F2365 by oral gavage: phosphate-buffered saline (control), 5 × 106 colony forming units aerobic culture (low aerobic), 5 × 108 aerobic culture (high aerobic), 5 × 10 …


Fibroblast Growth Factor 21, Adiposity, And Macronutrient Balance In A Healthy, Pregnant Population With Overweight And Obesity, Elizabeth F. Sutton, Christopher D. Morrison, Jacqueline M. Stephens, Leanne M. Redman Oct 2018

Fibroblast Growth Factor 21, Adiposity, And Macronutrient Balance In A Healthy, Pregnant Population With Overweight And Obesity, Elizabeth F. Sutton, Christopher D. Morrison, Jacqueline M. Stephens, Leanne M. Redman

Faculty Publications

© 2018, © 2018 Taylor & Francis. Aim of the study: The regulation and actions of fibroblast growth factor 21 (FGF21) are responsive to energy status and macronutrient balance, and investigations of FGF21 in normal pregnancy, which could be informative for FGF21 biology, are seldom. The goal of our study was to examine FGF21 levels in a contemporary healthy, pregnant population. Methods: We phenotyped 43 women with overweight and obesity during pregnancy for weight, body composition, and fasting blood. Serum FGF21 was measured during the first and third trimesters. Placentas were collected at delivery. Results: Maternal FGF21 concentrations were positively …


Fertilization Influences The Nutrient Acquisition Strategy Of A Nomadic Vine In A Lowland Tropical Forest Understory, Carrie L. Woods, Saara J. Dewalt, Catherine L. Cardelús, Kyle E. Harms, Joseph B. Yavitt, S. Joseph Wright Oct 2018

Fertilization Influences The Nutrient Acquisition Strategy Of A Nomadic Vine In A Lowland Tropical Forest Understory, Carrie L. Woods, Saara J. Dewalt, Catherine L. Cardelús, Kyle E. Harms, Joseph B. Yavitt, S. Joseph Wright

Faculty Publications

© 2018, Springer Nature Switzerland AG. Aims: Tropical tree and lianas in the understory are limited by soil nutrients despite growing in extremely low light. It is not known if nomadic vines are also limited by nutrients in low light conditions. Methods: We measured differences in root architecture and mycorrhizal colonization, and leaf nutrients of a nomadic vine, Philodendron fragrantissimum (Araceae), in nitrogen (N) and phosphorus (P) fertilization plots in a lowland tropical moist forest in central Panama to measure potential nutrient limitation. Results: Relative to plants in control plots, leaf P concentration was 54% higher and leaf N concentration …


Detrital Nutrient Content And Leaf Species Differenitally Affect Growth And Nutritional Regulation Of Detritivores, Halvor M. Halvorson, Chris L. Fuller, Sally A. Entrekin, J. Thad Scott, Michelle A. Evans-White Oct 2018

Detrital Nutrient Content And Leaf Species Differenitally Affect Growth And Nutritional Regulation Of Detritivores, Halvor M. Halvorson, Chris L. Fuller, Sally A. Entrekin, J. Thad Scott, Michelle A. Evans-White

Faculty Publications

© 2018 The Authors Resource nutrient content and identity are common bottom–up controls on organismal growth and nutritional regulation. One framework to study these factors, ecological stoichiometry theory, predicts that elevated resource nitrogen (N) and phosphorus (P) contents enhance organism growth by alleviating constraints on N and P acquisition. However, the regulatory mechanisms underlying this response – including whether responses depend on resource identity – remain poorly understood. In this study, we tested roles of detrital N and P contents and identity (leaf species) in constraining growth of aquatic invertebrate detritivores. We synthesized results from seven detritivore species fed wide …


Muscle Adaptations To High-Load Training And Very Low-Load Training With And Without Blood Flow Restriction, Matthew B. Jessee, Samuel L. Buckner, J. Grant Mouser, Kevin T. Mattocks, Scott J. Dankel, Takashi Abe, Zachary W. Bell, John P. Bentley, Jeremy P. Loenneke Oct 2018

Muscle Adaptations To High-Load Training And Very Low-Load Training With And Without Blood Flow Restriction, Matthew B. Jessee, Samuel L. Buckner, J. Grant Mouser, Kevin T. Mattocks, Scott J. Dankel, Takashi Abe, Zachary W. Bell, John P. Bentley, Jeremy P. Loenneke

Faculty Publications

An inability to lift loads great enough to disrupt muscular blood flow may impair the ability to fatigue muscles, compromising the hypertrophic response. It is unknown what level of blood flow restriction (BFR) pressure, if any, is necessary to reach failure at very low-loads [i.e., 15% one-repetition maximum (1RM)]. The purpose of this study was to investigate muscular adaptations following resistance training with a very low-load alone (15/0), with moderate BFR (15/40), or with high BFR (15/80), and compare them to traditional high-load (70/0) resistance training. Using a within/between subject design, healthy young participants (n = 40) performed four …