Entire DC Network | Open Access Articles | Digital Commons Network™

Xylose-Fermenting Yeast Species Found In The Wood Of Southeast Louisiana, Claire Reuter

Honors Capstones

No abstract provided.

Go to article

Characterization Of A Non-Cytoplasmically Localized Dps Protein From Deinococcus Radiodurans, Brian Reon

Honors Capstones

No abstract provided.

Go to article

Obesity Reduction And Its Possible Consequences: What Can We Learn From Cuba's Special Period?, Manuel Franco, Pedro Orduñez, Benjamín Caballero, Richard S. Cooper

Faculty Publications

No abstract provided.

Go to article

The Effect Of Diets Varying In Dietary Cation-Anion Difference Fed In Late Gestation And In Lactation On Sow Productivity, M. L. Roux, S. L. Johnston, R. D. Lirette, T. D. Bidner, L. L. Southern, P. W. Jardon

Faculty Publications

© 2008 American Registry of Professional Animal Scientists. Eighty-six primiparous or multiparoussows and their pigs were used to evaluatethe effects of changing DCAD in late gestation and in lactation on sow productivity.Sows were allotted to treatment based on parity and their farrowing date. Experiment 1 was a preliminary experiment conducted to determine the level of DCAD that would reduce urinary pH. Twenty sows were used in Exp. 1, and the dietary treatments consisted of a corn-soybean meal diet with 4 levels of DCAD (140, 103, 80, and 56 mEq/kg). These DCAD were achieved by addition of 4 levels of chloride …

Go to article

The Effects Of Epidermal Growth Factor And Basic Fibroblast Growth Factor On Cryopreserved Human Adipose Derived Stem Cells In Culture: Proliferation, Adipogenesis, And Osteogenesis, Teddi Leigh Hebert

Honors Capstones

No abstract provided.

Go to article

Hatchability Of End Of Lay Egg Production Broiler Breeder Eggs As Influenced By Prestorage Warming, Kyle Homan

Honors Capstones

No abstract provided.

Go to article

Collpas: Activity Hotspots For Frugivorous Bats (Phyllostomidae) In The Peruvian Amazon, Adriana Bravo, Kyle E. Harms, Richard D. Stevens, Louise H. Emmons

Faculty Publications

In the SE Peruvian Amazon, large numbers of frugivorous bats regularly visit natural forest clearings known locally as collpas (which are also referred to as clay licks or mineral licks). Bats arrive at collpas to drink water that has accumulated in depressions created by larger geophagous mammals that consume exposed soil. Although collpa visitation is common, little is known about its causes and its ecological implications for the bat community. We compared patterns of use of collpas and non-collpa forest sites by bats in SE Peru. We mist netted bats at collpas and non-collpa sites during the dry season and …

Go to article

Below- And Aboveground Biomass Of Spartina Alterniflora: Response To Nutrient Addition In A Louisiana Salt Marsh, Faith A. Darby, R. Eugene Turner

Faculty Publications

The responses of Spartina alterniflora above- and belowground biomass to various combinations of N, P, and Fe were documented in a 1-year field experiment in a Louisiana salt marsh. Five levels of N additions to 0.25 m2 plots resulted in 18% to 138% more live aboveground biomass compared to the control plots and higher stem densities, but had no effect on the amount of live belowground biomass (roots and rhizomes; R&R). There was no change in the aboveground biomass when P or Fe was added as part of a factorial experiment of +P, +N, and +Fe additions, but there was …

Go to article

Effects Of Eutrophication On Salt Marsh Root And Rhizome Biomass Accumulation, F A. Darby, R. Eugene Turner

Faculty Publications

The root:shoot ratio of grassland plants may be lower in high fertility sites than in low fertility sites as plants modify their root, rhizome and shoot morphologies (and masses) to suit prevailing nutrient availability. We conducted geographically diverse and regionally specific field sampling and measured above- and belowground plant biomasses in western Atlantic and Gulf of Mexico salt marshes to determine whether there is a similar morphological response in Spartina alterniflora, the dominant salt marsh plant. Coastal nutrient addition/enrichment, which is widespread and ongoing, may lower root and rhizome biomass, belowground production and organic accumulation in this species. Higher soil …

Go to article

Ocean Urea Fertilization For Carbon Credits Poses High Ecological Risks, P.M. Glibert, R. Azanza, M. Burford, K. Furuya, E. Abal, A. Al-Azri, F. Al-Yamani, P. Andersen, D.M. Anderson, J. Beardall, G.M. Berg, L. Brand, D. Bronk, J. Brookes, J.M. Burkholder, A. Cembella, W.P. Cochlan, J.L. Collier, Y. Collos, R. Diaz, M. Doblin, T. Drennen, S. Dyhrman, Y. Fukuyo, M. Furnas, J. Galloway, E. Granéli, D.V. Ha, G. Hallegraeff, J. Harrison, P.J. Harrison, C.A. Heil, K. Heimann

Faculty Publications

No abstract provided.

Go to article

Cardiovascular Disease Surveillance In Mexicans And Mexican Americans: A Tale Of Two Countries, Ramón Angel Durazo-Arvizu, Simon Barquera, Mariana Lazo-Elizondo, Manuel Franco, Richard S. Cooper

Faculty Publications

No abstract provided.

Go to article

Body Size And Blood Pressure: An Analysis Of Africans And The African Diaspora, Francesco P. Cappuccio, Sally M. Kerry, Adebowale Adeyemo, Amy Luke, Albert G.B. Amoah, Pascal Bovet, Myles D. Connor, Terrence Forrester, Jean Pierre Gervasoni, Gisela Kimbally Kaki, Jacob Plange-Rhule, Margaret Thorogood, Richard S. Cooper

Faculty Publications

BACKGROUND: Blood pressure is directly and causally associated with body mass index (BMI) in populations worldwide. However, the relationship may vary across BMI in populations of African origin. METHODS: We compared the relationship between blood pressure and BMI in populations of African origin, using 13 samples from Africa, the Caribbean, the United Kingdom and the United States. We had access to data from individual participants for age, height, weight, blood pressure, and treatment of hypertension. Analysis was restricted to 18,072 participants (age 35-64 years; 44% men). We carried out multivariate regression analysis to estimate the relationship between blood pressure and …

Go to article

Relative Economic Benefits Of Tactical Anthelmintic Treatment And Urea-Molasses Block Supplementation Of Boer Goats Raised Under Extensive Grazing Conditions At Onderstepoort, Pretoria, South Africa, A. F. Vatta, R. C. Krecek, R. A. Pearson, M. F. Smith, M. O. Stenson, E. F. Van Wijk, L. J.S. Harrison

Faculty Publications

The potential economic benefits of combining tactical anthelmintic treatment for gastrointestinal nematodes and nutritional supplementation with urea-molasses blocks were examined in Boer goats raised under extensive grazing conditions in the summer rainfall area of South Africa. Eight groups of nine goats were monitored over a 12-month period from 1 October 2002 to 9 October 2003. Ad libitum nutritional supplementation with urea-molasses blocks was provided when the goats were housed at night, during the summer (wet season-December 2002 to February 2003), and/or the winter (dry season-June 2003 to August 2003). All the goats were treated symptomatically for Haemonchus contortus infection when …

Go to article

Development Of An Internet/Population-Based Weight Management Program For The U.S. Army, Tiffany Stewart, Sandra May, H. Raymond Allen, Gaston P. Bathalon, Guy Lavergne, Lori Sigrist, Donna Ryan, Donald A. Williamson

Faculty Publications

A significant number of Army soldiers are sufficiently overweight to exceed the maximum weight allowances defned by the Army weight control program (AR600-9). Also, the body weights of a substantial number of soldiers approach the maximum weight allowances. These soldiers should not gain additional weight if they are to meet Army weight allowances. The conventional approach to this overweight problem is assigning soldiers to remedial physical training and mandatory reflerral for nutrition counseling by a health care provider. An alternative to this conventional approach is to target the entire population of soldiers (populationbased intervention) to promote weight loss in overweight …

Go to article

Dietary Resistant Starch Increases Hypothalamic Pomc Expression Independent Of Capsaicin-Sensitive Neurons In Rats, Li Shen

LSU Master's Theses

Resistant starch (RS) is fermentable dietary fiber. It has been shown that inclusion of resistant starch in the diet causes decreased body fat accumulation and altered gut hormone profile. Gut hormone has complex effect on neuropeptides’ expression in the brain hypothalamic area which is regarded as key factors in regulation of energy homeostasis. In this project, thereby, it is proposed that 1) the hypothalamic neuropeptide Y (NPY), agouti-related peptide (AgRP) and pro-opiomelanocortin (POMC) mRNA expression may be altered by RS feeding; 2) afferent vagal nerves might be involved in this process. Animal experiment was conducted to investigate the hypothesis. The …

Go to article

Environmental Influences On Adherence To Self-Management Behaviors And Glycemic Control In African American Patients With Type 2 Diabetes Mellitus, Brooke L. Barbera

LSU Master's Theses

Diabetes mellitus is a chronic illness effecting approximately 20.8 million individuals in the United States. Minorities are adversely affected, with age-adjusted prevalence 1.7 times higher in African Americans than Caucasians. Type 2 diabetes is significantly affected by behavioral and environmental risk factors, including the presence of co-occurring diseases (i.e., hypertension, hyperlipidemia), obesity, age, and lack of physical activity, and each of these risk factors is more prevalent among African Americans. The treatment of diabetes is largely self-managed, with patients and their families handling 95% of their own care. Adherence to the multi-component diabetic treatment regimen requires daily care, often occurring …

Go to article

Succession Of Coleoptera On Freshly Killed Loblolly Pine (Pinus Taeda L.) And Southern Red Oak (Quercus Falcata Michaux) In Louisiana, Stephanie Gil

LSU Master's Theses

Wood is important in forest ecology because its large biomass serves as a nutritional substrate and habitat for many organisms, including Coleoptera, and beetles contribute greatly to nutrient recycling in forests. Overlapping complexes of beetles invade dead wood according to the species of tree, ambient conditions, and most importantly, stage of decomposition. Beetle succession was studied in loblolly pines (Pinus taeda L.) and southern red oaks (Quercus falcata Michx.) by documenting beetle arrival and residency in cut, reassembled, and standing bolts. Twelve trees of each species at Feliciana Preserve in West Feliciana parish, LA were felled during October 2004 and …

Go to article

Characterizing The Epidemiology Of Bluetongue Virus Serotype One In South Louisiana, Michael Edward Becker

LSU Master's Theses

In November 2004, bluetongue virus (BTV) serotype 1 was detected for the first time in the U.S. from a hunter-killed deer in the marsh area of the Atchafalaya Delta in St. Mary Parish, LA. Subsequent serum surveys of three cattle farms further inland from the area where the deer was shot found bluetongue virus serotype 1 positive cattle on two of the three farms. The purpose of this study was to determine potential BTV vectors in the area where BTV-1 positive animals were detected and compare different trapping techniques for capturing specimens of the genus Culicoides. The study was conducted …

Go to article

The Influence Of Calf Selenium Status On Gpx-1 And 3 Activity And Liver Gpx-1 Mrna, Genevieve Elizabeth Tanner

LSU Master's Theses

The purpose of this research was to determine the influence of dietary Se on glutathione peroxidase (GPx)-1 and 3 activities and relative liver GPx mRNA levels in growing Holstein bull calves. Calves (n = 14) were started 28 d after birth on either a Se adequate (0.15 ppm Se) or deficient (0.01 ppm Se) diet consisting of 3 growth phases and maintained on the diet until 180 d of age. Blood samples were taken from each calf for determination of GPx-1 and GPx-3 activity. Three calves were euthanized at d 21 of age for determination of baseline liver GPx-1 mRNA …

Go to article

Hatchability Of Post-Peak Egg Production Broiler Breeder Eggs As Influenced By Pre-Incubation Warming, Cameron Benjamin Wiggins Ii

LSU Master's Theses

This research was conducted to determine the effects of pre-incubation warming on the hatchability of post-peak egg production broiler breeder eggs. An experiment with six trials was conducted with 7,920 freshly laid eggs from Ross 308 and 708 broiler breeders from 61-67-wks of age. For each trial, 1,320 eggs were used to determine if pre-incubation warming treatments of 0, 2, 4, and 6, or 0, 3, 6, and 9, or 0, 9, 12 and 15 hrs (at 37.6°C) could improve the hatchability of eggs stored (at 15.5°C) for three days. After a storage period of three days, the eggs were …

Go to article

Enzymatic Production And Biological Activities Of Cellobio-Oligosaccharides From Lignocellulose, Misook Kim

LSU Doctoral Dissertations

Cellulose is the most abundant biopolymer in nature and is the major component of lignocellulosic biomass. It has potential to produce not only glucose but value¨Cadded products such as cellobiose and oligosaccharides. Typically, enzymatic hydrolysis of cellulose produces glucose and a small amount of cellobiose. Modification of cellulase solutions altered ratio of glucose to cellobiose produced. The addition of glucose oxidase, gluconolactone, or gluconic acid significantly increased the amount of cellobiose remaining at the end of cellulose hydrolysis. Addition of glucose oxidase resulted in cellobiose being 23.7% of the product sugars from pure cellulose and 14.1% from ligonocellulose (sugarcane bagasse). …

Go to article

The Diet Of Saltmarsh Consumers, Kari Ann Galvan

LSU Doctoral Dissertations

Salt marshes are areas of high primary production that in turn support high secondary production. Macrophytes, phytoplankton and a variety of benthic algae all contribute to the high primary productivity. Each has the potential to contribute to the saltmarsh food web making it difficult to determine organic matter resources important to secondary production in salt marshes. Furthermore, our understanding of saltmarsh food webs is complicated by anthropogenic effects such as nutrient inputs and exploitation of key predators. I utilized a combination of natural abundance stable isotopes, isotope tracer additions, gut content analysis and manipulative experiments to determine the diets of …

Go to article

The Use Endocrine Markers To Predict And Monitor Performance In Strengh [Sic] And Power Activities, Jason B. Winchester

LSU Doctoral Dissertations

Hormones are typically considered to be chemical messengers, which are designed to be released from specific cells where they are carried to their target tissues for binding to receptors. It is this binding of a hormone molecule to its specific receptor which allows for an action to occur (Hadley and Levine 2006). Testosterone is the predominant androgen in the majority of mammalian species and is largely responsible for regulation of reproduction and maintenance of sexual function. In addition, in adult mammals, T has multiple other roles including the growth of muscle and bone, hematopoesis, blood coagulation, development and regulation of …

Go to article

Iron And Zinc Physiology In Sweetpotato, Mary Catherine Singleton

LSU Master's Theses

Sweetpotato [Ipomoea batatas (L.) Lam.] is an important provider of nutrition in developing countries. High productivity in the form of starch and beta carotene richness underlies its potential. A sweetpotato with adequate levels of iron and zinc would greatly aid efforts to reduce dietary deficiencies of iron and zinc. The objective of this work is to document the physiological accumulation of iron and zinc in sweetpotato during development and the mechanisms responsible for iron uptake. Six varieties (‘IPS 163, ‘Beauregard’,‘Koto-puki’, ‘Pung-mi’, ‘Duanyanghon’, and ‘Xushu 18’) were compared to understand iron and zinc accumulation during development. Results showed that micronutrient content …

Go to article

Trophic Control Of Saltmarsh Invertebrates, David Samuel Johnson

LSU Doctoral Dissertations

Top-down (consumer) versus bottom-up (resource) control of food webs has long interested ecologists. Here, I take advantage of a full-factorial design of ecosystem-wide manipulations of nutrient additions (loading rates 10x above background) and the significant reduction (~60%) of a key predator, the killifish Fundulus heteroclitus, in the tidal creeks of the Plum Island Estuary, Massachusetts. Prior to manipulations, annelids numerically constituted 97% of the infaunal community and the largest scale (creeks) accounted for little spatial variability in annelid populations and diversities. Tidal creeks were similar based on diversity indices, abundance, and community patterns, suggesting the tidal creeks are appropriate replicates/experimental …

Go to article

Speaking The Language Of Integration: A Case Study Of South Boulevard Foreign Language Academic Immersion Magnet, Heather Kathleen Olson Beal

LSU Doctoral Dissertations

Racial segregation and an achievement gap persist despite the promises of Brown vs. Board of Education (1954). In Baton Rouge, Louisiana, public schools are 83% Black, while nearly one-third of all children attend private schools which are 86% White. South Boulevard (SB) Foreign Language Academic Immersion Magnet Elementary is a counterexample because it has achieved integration and academic achievement well above district and state averages on high stakes tests. This research explores the culture of SB’s immersion magnet program in relation to its success as an integrated public school with high student achievement and explores the factors that motivated a …

Go to article

Brachial Artery Flow Mediated Vasodilation: Effect Of Chemical Analytes, Diet, Exercise, And Genetic Markers, Joanie Brocato Wilson

LSU Doctoral Dissertations

The goal of this research was to gain a better understanding of interplay between molecular biology, physiology, biochemistry, functionality with disease and interventions. The primary findings of the first study were that there was a significant inverse correlation between homocysteine and brachial artery flow mediated dilation (BAFMD) and baseline brachial artery diameter. Interestingly, there was a significant difference in BAFMD between methylene tetrahydrofolate reductase (MTHFR) genotype groups. Regression analysis indicated that the MTHFR genotype, homocysteine and age were significant predictors of BAFMD. The second study revealed that vascular reactivity as measured by BAFMD was modifiable. A meta-analysis of 22 intervention …

Go to article

The Use Of Serum Uric Acid As An Indicator Of Amino Acid Utilization In Diets For Broilers, Amanda L. Donsbough

LSU Master's Theses

The purpose of this research was to determine if serum uric acid (SUA) could be used as an indicator of amino acid (AA) utilization in broilers and to determine the Lys requirement of broilers using SUA as a response variable. Treatments were replicated with at least 6 pens with at least 6 broilers per pen. Experiments (Exp.) were conducted from 0- to 14, 17, or 18- d posthatching in brooder batteries. Five experiments were conducted to determine if SUA and uric acid content of the excreta (UAE) could be used to determine AA adequacy of a diet. The results of …

Go to article

Evaluation Of Aflatoxin-Related Products From Ozonated Corn, Alfredo Domingo Prudente, Jr.

LSU Doctoral Dissertations

This study assessed the efficacy of the ozonation process in degrading aflatoxin in corn, and investigated the chemical reaction between aflatoxin and gaseous ozone. Ozonation (12-13 wt%) totally degraded aflatoxin B1 in a model system. Conversion of aflatoxin into polar compounds was observed during ozonolysis of 100 µg aflatoxin B1 in an aqueous environment and in solid form. Seven intermediate reaction products were separated by two-dimensional thin layer chromatography. HPLC analysis of ozonated AFB1 revealed the presence of six major peaks. MALDI-MS analysis detected compounds that have higher molecular weights than AFB1. The dichloromethane fraction contained compounds with molecular ion …

Go to article

Changes In Body Image And Body Weight And Shape Goals Associated With Weight Loss And Maintenance In Overweight/Obese Adults Diagnosed With Type 2 Diabetes Mellitus, Amy Rzeznikiewicz Bachand

LSU Doctoral Dissertations

The primary aim of this study was to test for changes in body image in males and females in a randomized controlled trial of weight loss for older overweight/obese adults who have been diagnosed with type 2 diabetes (Look AHEAD: Action for Health in Diabetes). A computerized morphing assessment program (The Body Morph Assessment; BMA 2.0) was used to assess estimates of perceived current body size (CBS), ideal body size (IBS), acceptable body size (ABS), body dissatisfaction based on the discrepancy between participants’ perceived CBS and IBS (CBS-IBS) and ABS (CBS-ABS), as well as participants’ weight loss goals in terms …

Go to article

Full-Text Articles in Entire DC Network

Xylose-Fermenting Yeast Species Found In The Wood Of Southeast Louisiana, Claire Reuter

Honors Capstones

Characterization Of A Non-Cytoplasmically Localized Dps Protein From Deinococcus Radiodurans, Brian Reon

Honors Capstones

Obesity Reduction And Its Possible Consequences: What Can We Learn From Cuba's Special Period?, Manuel Franco, Pedro Orduñez, Benjamín Caballero, Richard S. Cooper

Faculty Publications

The Effect Of Diets Varying In Dietary Cation-Anion Difference Fed In Late Gestation And In Lactation On Sow Productivity, M. L. Roux, S. L. Johnston, R. D. Lirette, T. D. Bidner, L. L. Southern, P. W. Jardon

Faculty Publications

The Effects Of Epidermal Growth Factor And Basic Fibroblast Growth Factor On Cryopreserved Human Adipose Derived Stem Cells In Culture: Proliferation, Adipogenesis, And Osteogenesis, Teddi Leigh Hebert

Honors Capstones

Hatchability Of End Of Lay Egg Production Broiler Breeder Eggs As Influenced By Prestorage Warming, Kyle Homan

Honors Capstones

Collpas: Activity Hotspots For Frugivorous Bats (Phyllostomidae) In The Peruvian Amazon, Adriana Bravo, Kyle E. Harms, Richard D. Stevens, Louise H. Emmons

Faculty Publications

Below- And Aboveground Biomass Of Spartina Alterniflora: Response To Nutrient Addition In A Louisiana Salt Marsh, Faith A. Darby, R. Eugene Turner

Faculty Publications

Effects Of Eutrophication On Salt Marsh Root And Rhizome Biomass Accumulation, F A. Darby, R. Eugene Turner

Faculty Publications

Faculty Publications

Cardiovascular Disease Surveillance In Mexicans And Mexican Americans: A Tale Of Two Countries, Ramón Angel Durazo-Arvizu, Simon Barquera, Mariana Lazo-Elizondo, Manuel Franco, Richard S. Cooper

Faculty Publications

Faculty Publications

Faculty Publications

Development Of An Internet/Population-Based Weight Management Program For The U.S. Army, Tiffany Stewart, Sandra May, H. Raymond Allen, Gaston P. Bathalon, Guy Lavergne, Lori Sigrist, Donna Ryan, Donald A. Williamson

Faculty Publications

Dietary Resistant Starch Increases Hypothalamic Pomc Expression Independent Of Capsaicin-Sensitive Neurons In Rats, Li Shen

LSU Master's Theses

Environmental Influences On Adherence To Self-Management Behaviors And Glycemic Control In African American Patients With Type 2 Diabetes Mellitus, Brooke L. Barbera

LSU Master's Theses

Succession Of Coleoptera On Freshly Killed Loblolly Pine (Pinus Taeda L.) And Southern Red Oak (Quercus Falcata Michaux) In Louisiana, Stephanie Gil

LSU Master's Theses

Characterizing The Epidemiology Of Bluetongue Virus Serotype One In South Louisiana, Michael Edward Becker

LSU Master's Theses

The Influence Of Calf Selenium Status On Gpx-1 And 3 Activity And Liver Gpx-1 Mrna, Genevieve Elizabeth Tanner

LSU Master's Theses

Hatchability Of Post-Peak Egg Production Broiler Breeder Eggs As Influenced By Pre-Incubation Warming, Cameron Benjamin Wiggins Ii

LSU Master's Theses

Enzymatic Production And Biological Activities Of Cellobio-Oligosaccharides From Lignocellulose, Misook Kim

LSU Doctoral Dissertations

The Diet Of Saltmarsh Consumers, Kari Ann Galvan

LSU Doctoral Dissertations

The Use Endocrine Markers To Predict And Monitor Performance In Strengh [Sic] And Power Activities, Jason B. Winchester

LSU Doctoral Dissertations

Iron And Zinc Physiology In Sweetpotato, Mary Catherine Singleton

LSU Master's Theses

Trophic Control Of Saltmarsh Invertebrates, David Samuel Johnson

LSU Doctoral Dissertations

Speaking The Language Of Integration: A Case Study Of South Boulevard Foreign Language Academic Immersion Magnet, Heather Kathleen Olson Beal

LSU Doctoral Dissertations

Brachial Artery Flow Mediated Vasodilation: Effect Of Chemical Analytes, Diet, Exercise, And Genetic Markers, Joanie Brocato Wilson

LSU Doctoral Dissertations

The Use Of Serum Uric Acid As An Indicator Of Amino Acid Utilization In Diets For Broilers, Amanda L. Donsbough

LSU Master's Theses

Evaluation Of Aflatoxin-Related Products From Ozonated Corn, Alfredo Domingo Prudente, Jr.

LSU Doctoral Dissertations

Changes In Body Image And Body Weight And Shape Goals Associated With Weight Loss And Maintenance In Overweight/Obese Adults Diagnosed With Type 2 Diabetes Mellitus, Amy Rzeznikiewicz Bachand

LSU Doctoral Dissertations