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Isolation Of Aflatoxin-Free Lutein From Aflatoxin-Contaminated Corn, Evdokia Menelaou Jan 2004

Isolation Of Aflatoxin-Free Lutein From Aflatoxin-Contaminated Corn, Evdokia Menelaou

LSU Master's Theses

Lutein (3,3’-dihydroxy-alpha-carotene) has been identified by the Age-Related Eye Disease Study (AREDS) of the National Institute of Health (NIH) as a dietary compound with the ability to delay the onset and/or progression of age-related and/or diabetes-related vision loss. Lutein can also be useful in the prevention of other angiogenic diseases such as breast and colon cancer. Although marigold (Tagetes erecta) flowers are an excellent source of lutein, corn (Zea mays) has been identified as a very economical source of lutein because more value-added products, such as lutein, oil, and zein (known for its anti-microbial and anti-hypertensive activities) can be isolated …

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Activity-Based Anorexia: The Effects Of Resistant Starch, Holly M. Nguyen Jan 2004

Activity-Based Anorexia: The Effects Of Resistant Starch, Holly M. Nguyen

LSU Master's Theses

Anorexia nervosa is the third most common illness among adolescent females. Approximately one half the cases of anorexia nervosa have been suggested to be activity-induced. Various animal studies have been used to study human anorexia, particularly the activity-based anorexia model (ABA). The ABA paradigm consists of diet restriction and liberal access to activity, which ultimately results in a rapid decrease in both body weight and food intake paradoxical to the significant increase in activity. Because resistant starch (RS) has been shown to initiate a lower rise and a steady level of post-prandial blood glucose, it was hypothesized that a diet …

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The Effect Of Beta-Carotene Vitamin E, And Vitamin C Supplementation Upon Work Capacity During A Protocol Of Arm Curl Exercise Using The Biodex Dyanamometer, Ivan Kenyon Guillory Jan 2004

The Effect Of Beta-Carotene Vitamin E, And Vitamin C Supplementation Upon Work Capacity During A Protocol Of Arm Curl Exercise Using The Biodex Dyanamometer, Ivan Kenyon Guillory

LSU Doctoral Dissertations

The effect of acute and chronic supplementation upon work capacity in trained and untrained subjects was examined using 10 normal healthy subjects (ages 19-23). The subjects were tested using a double-blind crossover design. During the two supplemental stages subjects ingested either the placebo or antioxidant mixture capsules (beta-carotene, vitamin C, vitamin E). There was a 28 day washout period between the two supplemental stages. Subjects were tested during each stage for an acute effect (one day of supplementation) and chronic effect (twenty-eight days of supplementation). Testing consisted of seven sets of arm curl exercises with a 60-second rest period between …

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An Examination Of The Relationship Between Psychological Conditions And The Incidence Of Athletic Injury, Gregory A. Penczek Jan 2004

An Examination Of The Relationship Between Psychological Conditions And The Incidence Of Athletic Injury, Gregory A. Penczek

LSU Master's Theses

The purpose if this investigation was to examine injury rates among college athletes with a diagnosed psychological condition/mental disorder. Participants were drawn from a pool of 440 male and female intercollegiate athletes (ages 18-26 years). All subjects with a psychological disorder were then identified (n=38) and placed in the diagnosis group. A second group was then selected, which consisted of matched pairs of athletes without a psychological diagnosis. Twelve sports were represented in the sample population with an equal number of male (n=26) and female (n=12) participants in each group. The athletic training database was examined via query to identify …

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Color, Texture And Rehydration Characteristics Of Ohmically Treated Sweet Potatoes, Sireesha Bhattiprolu Jan 2004

Color, Texture And Rehydration Characteristics Of Ohmically Treated Sweet Potatoes, Sireesha Bhattiprolu

LSU Master's Theses

Ohmic heating has been shown to affect the drying rate and texture of foods. This research was designed to determine the effect of ohmic heating on rehydration, color and texture properties of sweet potatoes. Three combinations: 60Hz, 40V, 60Hz, 60V and 1Hz, 40V were applied to ohmically heat sweet potato cubes. The ohmic treated cubes and untreated cubes or controls were stored for six days in four different %relative humidities of 11.15%, 32.73%, 57.70% and 75.32%. Results showed that there was no significant difference in the rehydration properties of ohmic treated samples and control samples. The % moisture gain varied …

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Quality Evaluation Of Cheddar Cheese Containing Gamma-Oryzanol, Miguel Ángel Gutiérrez Jan 2004

Quality Evaluation Of Cheddar Cheese Containing Gamma-Oryzanol, Miguel Ángel Gutiérrez

LSU Master's Theses

Health benefits from consuming rice bran oil (RBO) have been extensively studied in humans. RBO has been shown to decrease cholesterol absorption by inhibiting the oxidation of the LDL-cholesterol. Gamma-Oryzanol is one of the RBO components that possess antioxidative properties; it is a polyphenolic compound resembling tocopherol (vitamin E), which is another component of RBO. There are evidences that oryzanol has potential applications for enhancing shelf-life of foods containing fats processed at a high temperature, decreasing the total cholesterol, LDL-cholesterol and triglyceride levels in plasma lipids, and healing ulcers. In order to take advantage of the health benefits of oryzanol, …

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Capacity Of Freshwater Marsh To Process Nutrients In Diverted Mississippi River Water, Craig Bonya' Johnson Jan 2004

Capacity Of Freshwater Marsh To Process Nutrients In Diverted Mississippi River Water, Craig Bonya' Johnson

LSU Master's Theses

The loss of Louisiana's coastal wetlands has mandated the construction of diversion structures for reintroduction of a portion of the Mississippi River into Louisiana's coastal region for slowing or reversing marsh deterioration. The Davis Pond Freshwater Diversion Structure allows for a section of the Mississippi River water to be reintroduced into Louisiana's Barataria Basin. The reintroduced Mississippi River water contains elevated levels of nitrate and other nutrients from agricultural runoff primarily from the upper reaches of the Mississippi River drainage basin. These elevated nitrate levels have raised questions of possible eutrophication effects on Louisiana estuaries. The purpose of this study …

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Physical, Chemical, And Mechanical Properties Of Bamboo And Its Utilization Potential For Fiberboard Manufacturing, Xiaobo Li Jan 2004

Physical, Chemical, And Mechanical Properties Of Bamboo And Its Utilization Potential For Fiberboard Manufacturing, Xiaobo Li

LSU Master's Theses

This study investigated the chemical, physical, and mechanical properties of the bamboo species Phyllostachys pubescens and its utilization potential to manufacture medium density fiberboard (MDF). The result showed holocellulose and alpha-cellulose content increased from the base to the top portion. There was no significant variation in Klason lignin content or ash content from the base to the top portion of the bamboo. The outer layer had the highest holocellulose, alpha cellulose, and Klason lignin contents and the lowest extractive and ash contents. The epidermis had the highest extractive and ash contents and the lowest holocellulose and alpha-cellulose content. Specific gravity …

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Herbivore Movement And Spatial Population Dynamics In A Heterogeneous Landscape, Kyle Jonathan Haynes Jan 2004

Herbivore Movement And Spatial Population Dynamics In A Heterogeneous Landscape, Kyle Jonathan Haynes

LSU Doctoral Dissertations

To date, few metapopulation studies have isolated the effects of the intervening matrix from other attributes of landscape structure (e.g., patch geography or quality) that might influence dispersal among patches. Furthermore, there has been little exploration of the mechanisms underlying effects of the matrix on the spatial ecology of species. In this dissertation, I examine how the movement and distribution of the planthopper Prokelisia crocea within and among host-plant patches (prairie cordgrass, Spartina pectinata) is affected by the composition of the matrix (the invasive grass smooth brome [Bromus inermis], native non-host grasses, or mudflat). First, using a mark-recapture study in …

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The Relationship Among Alcohol Consumption, Dietary Intake, And Body Mass Index In Young Adults, Mary C. May Jan 2004

The Relationship Among Alcohol Consumption, Dietary Intake, And Body Mass Index In Young Adults, Mary C. May

LSU Master's Theses

This study was designed to assess the relationship of alcohol consumption, dietary intake, and body mass index (BMI) in 1,335 young adult males and females aged 20-38 years (62% female and 27% black) who were part of the Bogalusa Heart Study. Data were collected in 1995-1996 on dietary intake and alcohol consumption patterns. The prevalence of alcohol consumption was higher in males compared with females and higher in whites than blacks. Among drinkers, whites and blacks did not differ in the amount of alcohol consumed. Energy from alcohol was also greater in males than in females. Total energy intake did …

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I-Tal Foodways: Nourishing Rastafarian Bodies, Mandy Garner Dickerson Jan 2004

I-Tal Foodways: Nourishing Rastafarian Bodies, Mandy Garner Dickerson

LSU Master's Theses

This thesis takes a close look at the lived world of Jamaican Rastafarians through the lens of food-related practices and preferences, working to define the group's characteristic strategies for maintaining wellness and illuminating their tastes and sensibilities. It strives to evoke a sensorial and discursive awareness of the activities through which Rastafarians nourish and heal their physical and social bodies, by focusing on ways in which they produce and use I-tal food-medicines. Rastafarian taste for I-tal has developed alongside collective engagement with the valorization and revitalization of traditional knowledge about health and land use. In addition to providing sites for …

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Applying The Transtheoretical Model To Promote Greater Fruit And Vegetable Consumption: A Successful Approach To Maintaining Behavioral Change, Hiba Ahmad Bawadi Jan 2004

Applying The Transtheoretical Model To Promote Greater Fruit And Vegetable Consumption: A Successful Approach To Maintaining Behavioral Change, Hiba Ahmad Bawadi

LSU Doctoral Dissertations

The purpose of this study was to investigate the response of participants in the first three Stages of Change (SOC) to a preparation stage-tailored intervention to increase fruit and vegetable (F&V) consumption. An on-line survey was delivered to 400 university employees, and included questionnaires about their demographic information, SOC, self efficacy (SE), and decisional balance (DB). One hundred fifty six (39%) responded to the survey. A total of 40 were selected from the first three stages, precontemplation (PC), contemplation (C), and preparation (P), and were assigned into two groups (PC/C and P) with consideration to the best possible matching in …

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The Relationship Between Social Behavior And Mealtime Behavior Problems In Individuals With Severe And Profound Mental Retardation, David E. Kuhn Jan 2004

The Relationship Between Social Behavior And Mealtime Behavior Problems In Individuals With Severe And Profound Mental Retardation, David E. Kuhn

LSU Doctoral Dissertations

One of the defining features of mental retardation is a problem in adaptive functioning. An area of adaptive skills commonly deficient in this population is social functioning, often characterized as behaviors that provide individuals with the means to interact effectively and appropriately with others. Researchers in this area have generally focused on improving appropriate social behavior and/or decreasing behavioral excesses that interfere with social interactions. Few studies have examined the effects of improving social behavior on collateral behaviors. The current study examined the relationship between social behavior and feeding and mealtime problem behavior in individuals with mental retardation. Individuals across …

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A New Broad Spectrum Disinfectant Suitable For The Food Industry, Giovanna Aita Dequeiroz Jan 2004

A New Broad Spectrum Disinfectant Suitable For The Food Industry, Giovanna Aita Dequeiroz

LSU Doctoral Dissertations

A unique biocide composition (patent pending) that is formed from a hydrogen peroxide and sodium hypochlorite mixture was investigated. A biocidal "complex" is formed by adding the peroxide to the hypochlorite in an amount so that the weight ratio of the peroxide to the hypochlorite is no less than 1:10. The chemical structure of this biocidal "complex" is uncertain but we postulate that it is a semi-stable complex, whose stability is disrupted by heat, acid, U/V exposure and the presence of organic matter (i.e., microbes) The antimicrobial activity of the biocidal "complex" is most likely a combination effect between oxidation …

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Methods To Induce Earlier Onset Of Cyclicity In Transitional Mares, Abdulhakeem Hashim Aljarrah Jan 2004

Methods To Induce Earlier Onset Of Cyclicity In Transitional Mares, Abdulhakeem Hashim Aljarrah

LSU Master's Theses

The purpose of this study was to investigate methods to induce earlier onset of cyclicity in transitional mares. Two experiments were conducted evaluating the effect of follicular aspiration to advance the onset of cyclicity, more succinctly define criteria for selection of mares for follicular aspiration and to compare aspiration to deslorelin treatment for initiating cyclicity in transitional mares. In Experiment 1, anestrous mares were assigned to control (n=6) or follicular aspiration (n=11). The control mares were monitored twice weekly, until ovulation was detected. The aspiration mares were similarly monitored until a follicle >35 mm was identified, then transvaginal ultrasound guided …

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Food Safety Knowledge And Practices Of Food Recovery Agency Workers Before And After Food Safety Training, Sara Katherine Waggoner Jan 2004

Food Safety Knowledge And Practices Of Food Recovery Agency Workers Before And After Food Safety Training, Sara Katherine Waggoner

LSU Master's Theses

Many food recovery agencies depend on donated food, and its safety is critical for the health of vulnerable populations. A food safety curriculum was developed for agency volunteers and paid staff of the Lower Mississippi Delta region. Examples of topics in the curriculum included: personal hygiene, food storage, transporting food safely, and HACCP. Food Safety Knowledge Pre- and Posttests (20 questions) were identical, and validity and reliability were established prior to use. Paired t-tests were performed to determine the effectiveness of the curriculum (n=190). A Food Safety Practices Survey (10 questions) demonstrating attitudes and behaviors regarding food safety practices in …

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Identification Of Soybean Cultivars Tolerance To Waterlogging Through Analyses Of Leaf Nitrogen Concentration, Curt Jude Riche Jan 2004

Identification Of Soybean Cultivars Tolerance To Waterlogging Through Analyses Of Leaf Nitrogen Concentration, Curt Jude Riche

LSU Master's Theses

Irrigation to soybean can cause unintended water to pond on the soil surface for more than a desired amount of time. Most soybean acreage in Louisiana is planted on poorly drained clay soils and waterlogging of soybean can cause substantial yield reductions. Although cultural practices are available for ameliorating the adverse effects of waterlogging, little is known about genotypic tolerance, therefore our objectives were to determine if percent leaf nitrogen concentration could be used as a criterion for screening for cultivar tolerance to waterlogging and to identify waterlogging tolerance among 48 commercially available soybean cultivars. Forty-eight soybean cultivars were planted …

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Effect Of Ohmic Heating On Color, Rehydration And Textural Characteristics Of Fresh Carrot Cubes, Sandeep Dattatraya Bhale Jan 2004

Effect Of Ohmic Heating On Color, Rehydration And Textural Characteristics Of Fresh Carrot Cubes, Sandeep Dattatraya Bhale

LSU Master's Theses

Carrot cubes were ohmically heated with 2 different frequencies 1 Hz and 60 Hz to evaluate change in color, texture and rehydration properties. Carrot samples were stored under 4 different relative humidity (RH) conditions 11.1 %, 32.7%, 55.7 % and 75.3 %. Experiments were conducted to monitor the textural parameters of hardness, fracturability, adhesiveness, cohesiveness and chewiness and color changes in terms of CIE color values. Results showed that the hardness, fracturability and adhesiveness of 1- Hz samples stored at 75.3 % RH were different from those at 55.7 % RH. The adhesiveness, cohesiveness and chewiness of 1-Hz samples were …

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Mortality Of Pen-Raised White-Tailed Deer (Odocoileus Virginianus) Released On Three Areas In Louisiana, Barret Keith Fortier Jan 2004

Mortality Of Pen-Raised White-Tailed Deer (Odocoileus Virginianus) Released On Three Areas In Louisiana, Barret Keith Fortier

LSU Master's Theses

I monitored 60 radio-collared and tagged pen-raised white-tailed deer (Odocoileus virginianus) to ascertain mortality rates on three areas in Louisiana from April 2001 - April 2002. Two of 60 were not used in the analysis because mortality occurred from complications with darting and an affixed radio-collar. Study deer were exposed to legal hunting mortality only if they emigrated from the three study areas. Twenty deer were released to the wild on the Louisiana State University Deer Study Area (LSUDSA) (4,810 ha), where 9 of 20 (45%) suffered mortality. Harvest accounted for 56%, vehicles 22%, and other 22% of the mortality …

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Feeding Ecology And Morphometric Analysis Of Paddlefish, Polyodon Spathula, In The Mermentau River, Louisiana, Nicole Adele Smith Jan 2004

Feeding Ecology And Morphometric Analysis Of Paddlefish, Polyodon Spathula, In The Mermentau River, Louisiana, Nicole Adele Smith

LSU Master's Theses

Little is known about the morphometrics and the feeding ecology of paddlefish in Louisiana. I examined the morphometrics and feeding ecology of paddlefish from the Mermentau River, Louisiana from March 2002 to February 2003. Paddlefish were examined morphometrically by taking measurements of eye-fork length (EFL), body cavity length (BCL), girth (G), vent girth (VG), mouth vertical (MTB), mouth horizontal (MSS), and mouth gullet bottom (MGB) to determine which parameters would give a better estimate of weight (W). Regression analysis resulted in a morphometric model of the form: logW = 10.10 + 1.52 (logEFL) + 1.21 (logG) + 0.24 (logVG) (r2 …

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Fecal Steroid Excretion Of Rats Fed Rice Bran Oil And Oryzanol, Zhaoli Dai Jan 2004

Fecal Steroid Excretion Of Rats Fed Rice Bran Oil And Oryzanol, Zhaoli Dai

LSU Master's Theses

Rice bran oil (RBO) has been considered healthy cooking oil with potent effects to reduce the risks of atherosclerosis and coronary heart disease. The relatively high level of unsaponifiable components contributes to the healthy benefits of RBO. This study investigated the possibility that the cholesterol-lowering effects of oryzanol are through increased fecal steroid excretion. The objective was to compare fecal cholesterol and bile acid excretion as well as bioavailability among different forms of oryzanol. The correlation between bioactivity and bioavailability of oryzanol was investigated as well. Forty-seven female breeder rats were used as animal models. Oryzanol was added to an …

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Pelvic Sexual Dimorphism In A Metatherian, Didelphis Virginiana: Implications For Eutherians, Robert G. Tague Nov 2003

Pelvic Sexual Dimorphism In A Metatherian, Didelphis Virginiana: Implications For Eutherians, Robert G. Tague

Faculty Publications

Eutherians give birth to relatively large infants. Females have larger pelves than males, though males typically have larger nonpelvic bones. Pelvic dimorphism is an adaptation for parturition. Metatherian females, who give birth to markedly small infants, should not show pelvic adaptations for parturition and should have smaller pelves than males. Adult females and males of the Virginia opossum, Didelphis virginiana, are compared. Males are significantly larger than females in absolute size for 14 of 16 pelvic and 8 nonpelvic measures. Sexes did not differ significantly for lower iliac length and posterior space of midplane. However, relative lengths for females are …

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Evidence That Acetyl Phosphate Functions As A Global Signal During Biofilm Development, Alan J. Wolfe, Dong Eun Chang, Jason D. Walker, Jeanine E. Seitz-Partridge, Michael D. Vidaurri, Charles F. Lange, Birgit M. Prüß, Margaret C. Henk, John C. Larkin, Tyrrell Conway May 2003

Evidence That Acetyl Phosphate Functions As A Global Signal During Biofilm Development, Alan J. Wolfe, Dong Eun Chang, Jason D. Walker, Jeanine E. Seitz-Partridge, Michael D. Vidaurri, Charles F. Lange, Birgit M. Prüß, Margaret C. Henk, John C. Larkin, Tyrrell Conway

Faculty Publications

We used DNA macroarray analysis to identify genes that respond to the status of the intracellular acetyl phosphate (acP) pool. Genes whose expression correlated negatively with the ability to synthesize acP (i.e. negatively regulated genes) function primarily in flagella biosynthesis, a result consistent with observations that we published previously (Prüß and Wolfe, 1994, Mol Microbiol 12: 973-984). In contrast, genes whose expression correlated positively with the ability to synthesize acP (i.e. positively regulated genes) include those for type 1 pilus assembly, colanic acid (capsule) biosynthesis and certain stress effectors. To our knowledge, this constitutes the first report that these genes …

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Consumer Acceptance Of White Breads Containing Resistant Hi-Maize Cornstarch And Sensory Attributes Affecting Product Acceptance And Purchase Decision, Caroline Christie Burke May 2003

Consumer Acceptance Of White Breads Containing Resistant Hi-Maize Cornstarch And Sensory Attributes Affecting Product Acceptance And Purchase Decision, Caroline Christie Burke

Honors Capstones

No abstract provided.

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Racial Differences In Susceptibility To Obesity (Multiple Letters), Richard Cooper, Amy Luke, Sue Y.S. Kimm, Nancy A. Schonfeld-Warden, Craig H. Warden Mar 2003

Racial Differences In Susceptibility To Obesity (Multiple Letters), Richard Cooper, Amy Luke, Sue Y.S. Kimm, Nancy A. Schonfeld-Warden, Craig H. Warden

Faculty Publications

No abstract provided.

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Bioengineered ‘Golden’ Indica Rice Cultivars With Β-Carotene Metabolism In The Endosperm With Hygromycin And Mannose Selection Systems, Karabi Datta, Niranjan Baisakh, Norman Oliva, Lina Torrizo, Editha Abrigo, Jing Tan, Mayank Rai, Sayda Rehana, Salim Al-Babili, Peter Beyer, Ingo Potrykus, Swapan K. Datta Mar 2003

Bioengineered ‘Golden’ Indica Rice Cultivars With Β-Carotene Metabolism In The Endosperm With Hygromycin And Mannose Selection Systems, Karabi Datta, Niranjan Baisakh, Norman Oliva, Lina Torrizo, Editha Abrigo, Jing Tan, Mayank Rai, Sayda Rehana, Salim Al-Babili, Peter Beyer, Ingo Potrykus, Swapan K. Datta

Faculty Publications

Vitamin-A deficiency (VAD) is a major malnutrition problem in South Asia, where indica rice is the staple food. Indica-type rice varieties feed more than 2 billion people. Hence, we introduced a combination of transgenes using the biolistic system of transformation enabling biosynthesis of provitamin A in the endosperm of several indica rice cultivars adapted to diverse ecosystems of different countries. The rice seed-specific glutelin promoter (Gt-1 P) was used to drive the expression of phytoene synthase (psy), while lycopene β-cyclase (lcy) and phytoene desaturase (crtI), fused to the transit peptide sequence of the pea-Rubisco small subunit, were driven by the …

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Matrix Composition Affects The Spatial Ecology Of A Prairie Planthopper, Kyle J. Haynes, James T. Cronin Jan 2003

Matrix Composition Affects The Spatial Ecology Of A Prairie Planthopper, Kyle J. Haynes, James T. Cronin

Faculty Publications

To date, there is a lack of well-controlled field experiments that disentangle the effects of the intervening matrix from other landscape variables (e.g., patch geography or quality) that might influence animal dispersal among patches. We performed a field experiment to investigate how the movement of a delphacid planthopper (Prokelisia crocea) among discrete patches of prairie cordgrass (Spartina pectinata) is affected by the composition of the matrix (mudflat, native nonhost grasses, and the introduced grass smooth brome [Bromus inermis]). Within each matrix type, marked planthoppers were released onto experimental cordgrass patches that were made identical in size, isolation, and host plant …

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Louisiana Agriculture Winter, 2003, Lsu Agcenter Jan 2003

Louisiana Agriculture Winter, 2003, Lsu Agcenter

Louisiana Agriculture

No abstract provided.

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Movement And Spatial Population Structure Of A Prairie Planthopper, James T. Cronin Jan 2003

Movement And Spatial Population Structure Of A Prairie Planthopper, James T. Cronin

Faculty Publications

The transfer of organisms among patches is a key process influencing the spatial structure and regional dynamics of a population; yet, detailed experimental studies of animal movement among patches are uncommon. I performed a series of mark-recapture studies to quantify the movement of a planthopper, Prokelisia crocea (Hemiptera: Delphacidae), among discrete patches of its host plant, prairie cordgrass (Spartina pectinata). Results from these dispersal studies were used to predict the natural distributions and to characterize the spatial population structure of P. crocea. Planthopper emigration loss per patch increased linearly with the density of female conspecifics and was nonlinearly related to …

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A Genome-Wide Scan For Body Mass Index Among Nigerian Families, Adebowale Adeyemo, Amy Luke, Richard Cooper, Xiaodong Wu, Bamidele Tayo, Xiaofeng Zhu, Charles Rotimi, Nourdine Bouzekri, Ryk Ward Jan 2003

A Genome-Wide Scan For Body Mass Index Among Nigerian Families, Adebowale Adeyemo, Amy Luke, Richard Cooper, Xiaodong Wu, Bamidele Tayo, Xiaofeng Zhu, Charles Rotimi, Nourdine Bouzekri, Ryk Ward

Faculty Publications

Objective: Interest in mapping genetic variants that are associated with obesity remains high because of the increasing prevalence of obesity and its complications worldwide. Data on genetic determinants of obesity in African populations are rare. Research Methods and Procedures: We have undertaken a genome-wide scan for body mass index (BMI) in 182 Nigerian families that included 769 individuals. Results: The prevalence of obesity was only 5%, yet polygenic heritability for BMI was in the expected range (0.46 ± 0.07). Tandem repeat markers (402) were typed across the genome with an average map density of 9 cM. Pedigree-based analysis using a …

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