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2010

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Articles 301 - 330 of 6896

Full-Text Articles in Life Sciences

Communicator, Dec. 2010, San Jose State University, Department Of Kinesiology Dec 2010

Communicator, Dec. 2010, San Jose State University, Department Of Kinesiology

Communicator (Kinesiology)

Volume 23, Issue 2

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Ecology And Transmission Of Buruli Ulcer Disease: A Systematic Review, Richard W. Merritt, Edward D. Walker, Pamela L. C. Small, John R. Wallace, Paul D. R. Johnson, Mark Eric Benbow, Daniel A. Boakye Dec 2010

Ecology And Transmission Of Buruli Ulcer Disease: A Systematic Review, Richard W. Merritt, Edward D. Walker, Pamela L. C. Small, John R. Wallace, Paul D. R. Johnson, Mark Eric Benbow, Daniel A. Boakye

Biology Faculty Publications

Buruli ulcer is a neglected emerging disease that has recently been reported in some countries as the second most frequent mycobacterial disease in humans after tuberculosis. Cases have been reported from at least 32 countries in Africa (mainly west), Australia, Southeast Asia, China, Central and South America, and the Western Pacific. Large lesions often result in scarring, contractual deformities, amputations, and disabilities, and in Africa, most cases of the disease occur in children between the ages of 4–15 years. This environmental mycobacterium, Mycobacterium ulcerans, is found in communities associated with rivers, swamps, wetlands, and human-linked changes in the aquatic environment, …

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Aflatoxin B1 Albumin Adducts In Plasma And Aflatoxin M1 In Urine Are Associated With Plasma Concentrations Of Vitamins A And E, Francis A. Obuseh, Pauline E. Jolly, Yi Jiang, Faisal M. B. Shuaib, John Waterbor, William O. Ellis, Chandrika J. Piyathilake, Renee A. Desmond, Evans Afriyie-Gyawu, Timothy D. Phillips Dec 2010

Aflatoxin B1 Albumin Adducts In Plasma And Aflatoxin M1 In Urine Are Associated With Plasma Concentrations Of Vitamins A And E, Francis A. Obuseh, Pauline E. Jolly, Yi Jiang, Faisal M. B. Shuaib, John Waterbor, William O. Ellis, Chandrika J. Piyathilake, Renee A. Desmond, Evans Afriyie-Gyawu, Timothy D. Phillips

Evans Afriyie-Gyawu

Background: Although aflatoxin exposure has been shown to be associated with micronutrient deficiency in animals, there are few investigations on the effects of aflatoxin exposure on micronutrient metabolism in humans.
Objective: To examine the relationship between aflatoxin B1 (AFB1) albumin adducts (AF-ALB) in plasma and the aflatoxin M1 (AFM1) metabolite in urine and plasma concentrations of retinol (vitamin A) and α-tocopherol (vitamin E) in Ghanaians.
Methods: A cross-sectional study of 147 adult participants was conducted. Blood and urine samples were tested for aflatoxin and vitamins A and E levels.
Results: Multivariable analysis showed that participants with high AF-ALB (≥ 0.80 …

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English Garden Style: Landscape Design According To The Nineteenth-Century American Seed And Nursery Catalogs, Thomas J. Mickey Dec 2010

English Garden Style: Landscape Design According To The Nineteenth-Century American Seed And Nursery Catalogs, Thomas J. Mickey

Bridgewater Review

No abstract provided.

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Identification Of Functional Elements And Regulatory Circuits By Drosophila Modencode, Sushmita Roy, Jason Ernst, Peter Kharchenko, Pouya Kheradpour, Nicolas Negre, Matthew Eaton, Jane Landolin, Christopher Bristow, Lijia Ma, Michael Lin, Stefan Washietl, Bradley Arshinoff, Ferhat Ay, Patrick Meyer, Nicolas Robine, Nicole Washington, Luisa Di Stefano, Eugene Berezikov, Christopher Brown, Rogerio Candeias, Joseph Carlson, Adrian Carr, Irwin Jungreis, Daniel Marbach, Rachel Sealfon, Michael Tolstorukov, Sebastian Will, Artyom Alekseyenko, Carlo Artieri, Benjamin Booth, Angela Brooks, Qi Dai, Carrie Davis, Michael Duff, Xin Feng, Andrey Gorchakov, Tingting Gu, Jorja Henikoff, Philipp Kapranov, Renhua Li, Heather Macalpine, John Malone, Aki Minoda, Jared Nordman, Katsutomo Okamura, Marc Perry, Sara Powell, Nicole Riddle, Akiko Sakai, Anastasia Samsonova, Jeremy Sandler, Yuri Schwartz, Noa Sher, Rebecca Spokony, David Sturgill, Marijke Van Baren, Kenneth Wan, Li Yang, Charles Yu, Elise Feingold, Peter Good, Mark Guyer, Rebecca Lowdon, Kami Ahmad, Justen Andrews, Bonnie Berger, Steven Brenner, Michael R. Brent, Lucy Cherbas, Sarah C.R. Elgin, Thomas Gingeras, Robert Grossman, Roger Hoskins, Thomas Kaufman, William Kent, Mitzi Kuroda, Terry Orr-Weaver, Norbert Perrimon, Vincenzo Pirrotta, James Posakony, Bing Ren, Steven Russell, Peter Cherbas, Brenton Graveley, Suzanna Lewis, Gos Micklem, Brian Oliver, Peter Park, Susan Celniker, Steven Henikoff, Gary Karpen, Eric Lai, David Macalpine, Lincoln Stein, Kevin White, Manolis Kellis Dec 2010

Identification Of Functional Elements And Regulatory Circuits By Drosophila Modencode, Sushmita Roy, Jason Ernst, Peter Kharchenko, Pouya Kheradpour, Nicolas Negre, Matthew Eaton, Jane Landolin, Christopher Bristow, Lijia Ma, Michael Lin, Stefan Washietl, Bradley Arshinoff, Ferhat Ay, Patrick Meyer, Nicolas Robine, Nicole Washington, Luisa Di Stefano, Eugene Berezikov, Christopher Brown, Rogerio Candeias, Joseph Carlson, Adrian Carr, Irwin Jungreis, Daniel Marbach, Rachel Sealfon, Michael Tolstorukov, Sebastian Will, Artyom Alekseyenko, Carlo Artieri, Benjamin Booth, Angela Brooks, Qi Dai, Carrie Davis, Michael Duff, Xin Feng, Andrey Gorchakov, Tingting Gu, Jorja Henikoff, Philipp Kapranov, Renhua Li, Heather Macalpine, John Malone, Aki Minoda, Jared Nordman, Katsutomo Okamura, Marc Perry, Sara Powell, Nicole Riddle, Akiko Sakai, Anastasia Samsonova, Jeremy Sandler, Yuri Schwartz, Noa Sher, Rebecca Spokony, David Sturgill, Marijke Van Baren, Kenneth Wan, Li Yang, Charles Yu, Elise Feingold, Peter Good, Mark Guyer, Rebecca Lowdon, Kami Ahmad, Justen Andrews, Bonnie Berger, Steven Brenner, Michael R. Brent, Lucy Cherbas, Sarah C.R. Elgin, Thomas Gingeras, Robert Grossman, Roger Hoskins, Thomas Kaufman, William Kent, Mitzi Kuroda, Terry Orr-Weaver, Norbert Perrimon, Vincenzo Pirrotta, James Posakony, Bing Ren, Steven Russell, Peter Cherbas, Brenton Graveley, Suzanna Lewis, Gos Micklem, Brian Oliver, Peter Park, Susan Celniker, Steven Henikoff, Gary Karpen, Eric Lai, David Macalpine, Lincoln Stein, Kevin White, Manolis Kellis

Biology Faculty Publications & Presentations

To gain insight into how genomic information is translated into cellular and developmental programs, the Drosophila model organism Encyclopedia of DNA Elements (modENCODE) project is comprehensively mapping transcripts, histone modifications, chromosomal proteins, transcription factors, replication proteins and intermediates, and nucleosome properties across a developmental time course and in multiple cell lines. We have generated more than 700 data sets and discovered protein-coding, noncoding, RNA regulatory, replication, and chromatin elements, more than tripling the annotated portion of the Drosophila genome. Correlated activity patterns of these elements reveal a functional regulatory network, which predicts putative new functions for genes, reveals stage- and …

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Effects Of Three Emulsion Compositions On Taste Thresholds And Intensity Ratings Of Five Taste Compounds, J. E. Thurgood, Silvana Martini Dec 2010

Effects Of Three Emulsion Compositions On Taste Thresholds And Intensity Ratings Of Five Taste Compounds, J. E. Thurgood, Silvana Martini

Nutrition, Dietetics, and Food Sciences Faculty Publications

This study assessed the effects of three emulsified systems on taste thresholds and the near-threshold taste intensities of the five tastes (sweet, sour, salty, bitter and umami). Emulsions were formulated with different lipid chemical compositions. Lipid addition in an emulsified form significantly increased thresholds for sour and bitter tastes produced by citric acid and quinine hydrochloride, respectively. No significant differences were found in the threshold levels in emulsions formulated with different lipids for the five tastes evaluated. In general, for the same tastant concentration, taste intensities for sour and bitter tastes were lower in emulsions compared with the aqueous solutions, …

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Fertilizer And Stormwater Runoff Outreach Program In Newcastle, Nh, David Anderson Dec 2010

Fertilizer And Stormwater Runoff Outreach Program In Newcastle, Nh, David Anderson

PREP Reports & Publications

The New Hampshire Coastal Protection Partnership (NH Coast) implemented a year long pilot public education and outreach program in the Town of New Castle aimed at reducing nitrogen pollution from lawn fertilizers and promoting rain gardens as a solution to storm water runoff and nonpoint source pollution. A total of 77 landowners representing 138 acres of land pledged to either not use lawn fertilizers or use only low phosphorus, slow release nitrogen brands. The program also resulted in the installation of New Castle’s first demonstration rain garden.

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Sugar-Enhanced Sweet Corn Cultivar Evaluation For Northern Indiana, 2010, Elizabeth T. Maynard Dec 2010

Sugar-Enhanced Sweet Corn Cultivar Evaluation For Northern Indiana, 2010, Elizabeth T. Maynard

Purdue Fruit and Vegetable Research Reports

Indiana growers harvested sweet corn for fresh market sales from 6,100 acres in 2009, with an average yield of 69 cwt/acre (164 crates or 3.45 tons per acre) and total value of $16.8 million (USDA NASS, 2010). Indiana ranks 14th among states for production of fresh market sweet corn. The 2007 USDA Ag Census reported 603 Indiana farms producing sweet corn for fresh markets and 51 farms selling to processors. Sweet corn fields for fresh market sales are located throughout the state. In northern Indiana, bi-color corn is most commonly grown. Varieties with improved eating quality are of interest to …

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Supersweet Sweet Corn Cultivar Evaluation For Northern Indiana, 2010, Elizabeth T. Maynard Dec 2010

Supersweet Sweet Corn Cultivar Evaluation For Northern Indiana, 2010, Elizabeth T. Maynard

Purdue Fruit and Vegetable Research Reports

Indiana growers harvested sweet corn for fresh market sales from 6,100 acres in 2009, with an average yield of 69 cwt/acre (164 crates or 3.45 tons per acre) and total value of $16.8 million (USDA NASS,2010). Indiana ranks 14th among states for production of fresh market sweet corn. The 2007 USDA Ag Census reported 603 Indiana farms producing sweet corn for fresh markets and 51 farms selling to processors. Sweet corn fields for fresh market sales are located throughout the state. In northern Indiana, bi-color corn is most commonly grown. Varieties with improved eating quality are of interest to both …

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Sugar-Enhanced Sweet Corn Cultivar Evaluation For Northern Indiana, 2010, Elizabeth T. Maynard Dec 2010

Sugar-Enhanced Sweet Corn Cultivar Evaluation For Northern Indiana, 2010, Elizabeth T. Maynard

Midwest Vegetable Trial Reports

Indiana growers harvested sweet corn for fresh market sales from 6,100 acres in 2009, with an average yield of 69 cwt/acre (164 crates or 3.45 tons per acre) and total value of $16.8 million (USDA NASS, 2010). Indiana ranks 14th among states for production of fresh market sweet corn. The 2007 USDA Ag Census reported 603 Indiana farms producing sweet corn for fresh markets and 51 farms selling to processors. Sweet corn fields for fresh market sales are located throughout the state. In northern Indiana, bi-color corn is most commonly grown. Varieties with improved eating quality are of interest to …

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Global Stability Of Worms In Computer Network, Bimal Kumar Mishra, Aditya Kumar Singh Dec 2010

Global Stability Of Worms In Computer Network, Bimal Kumar Mishra, Aditya Kumar Singh

Applications and Applied Mathematics: An International Journal (AAM)

An attempt has been made to show the impact of non-linearity of the worms through SIRS (susceptible – infectious – recovered - susceptible) and SEIRS (susceptible – exposed – infectious – recovered - susceptible) e-epidemic models in computer network. A very general form of non-linear incidence rate has been considered satisfying the worm propagating behavior in computer network. The concavity conditions with a non-linear incidence rate and under the constant population size assumption are shown to be stable. Such systems have either a unique and stable endemic equilibrium state or no endemic equilibrium state at all; in the latter case, …

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Approximate Approach To The Das Model Of Fractional Logistic Population Growth, S. Das, P. K. Gupta, K. Vishal Dec 2010

Approximate Approach To The Das Model Of Fractional Logistic Population Growth, S. Das, P. K. Gupta, K. Vishal

Applications and Applied Mathematics: An International Journal (AAM)

In this article, the analytical method, Homotopy perturbation method (HPM) has been successfully implemented for solving nonlinear logistic model of fractional order. The fractional derivatives are described in the Caputo sense. Using initial value, the explicit solutions of population size for different particular cases have been derived. Numerical results show that the method is extremely efficient to solve this complicated biological model.

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A New Partial Skeleton Of A Cryptocleidoid Plesiosaur From The Upper Jurassic Sundance Formation Of Wyoming, Benjamin C. Wilhelm, F. Robin O’Keefe Dec 2010

A New Partial Skeleton Of A Cryptocleidoid Plesiosaur From The Upper Jurassic Sundance Formation Of Wyoming, Benjamin C. Wilhelm, F. Robin O’Keefe

Biological Sciences Faculty Research

Cryptocleidoid plesiosaurs from the Upper Jurassic are well known from the Oxford Clay (Callovian) of the United Kingdom. The plesiosaurs of the nearly coeval Sundance Formation (Oxfordian) of North America are poorly known, but are thought to include two cryptocleidoid taxa:Pantosaurus striatus and Tatenectes laramiensis. Here we present two specimens recently recovered from the Bighorn Basin of Wyoming. The first specimen comprises three articulated adult cervical vertebrae and fragments of a fourth. This specimen preserves a posteriorly directed cervical neural spine, a character diagnostic of Pantosaurus striatus. It also resembles Pantosaurus in the morphology of its cervical …

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Plasmacytoid Dendritic Cells Sense Skin Injury And Promote Wound Healing Through Type I Interferons, Josh D. Gregorio Dec 2010

Plasmacytoid Dendritic Cells Sense Skin Injury And Promote Wound Healing Through Type I Interferons, Josh D. Gregorio

Dissertations & Theses (Open Access)

Plasmacytoid dendritic cells (pDCs) are a rare population of circulating cells, which selectively express intracellular Toll-like receptors (TLR)-7 and TLR-9 and have the capacity to produce large amounts of type I IFNs (IFN-a/b) in response to viruses or host derived nucleic acid containing complexes. pDCs are normally absent in skin but accumulate in the skin of psoriasis patients where their chronic activation to produce IFN-a/b drives the disease formation. Whether pDCs and their activation to produce IFN-a/b play a functional role in healthy skin is unknown. Here we show that pDCs are rapidly and transiently recruited into healthy human and …

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14-3-3sigma Negatively Regulates The Stability And Subcellular Localization Of Cop1, Chun-Hui Su Dec 2010

14-3-3sigma Negatively Regulates The Stability And Subcellular Localization Of Cop1, Chun-Hui Su

Dissertations & Theses (Open Access)

Mammalian constitutive photomorphogenic 1 (COP1), a p53 E3 ubiquitin ligase, is a key negative regulator for p53. DNA damage leads to the translocation of COP1 to the cytoplasm, but the underlying mechanism remains unknown. We discovered that 14-3-3σ controlled COP1 subcellular localization and protein stability. Investigation of the underlying mechanism suggested that, upon DNA damage, 14-3-3σ bound to phosphorylated COP1 at S387, resulting in COP1 translocation to the cytoplasm and cytoplasmic COP1 ubiquitination and proteasomal degradation. 14-3-3σ targeted COP1 for degradation to prevent COP1-mediated p53 degradation, p53 ubiquitination, and p53 transcription repression. COP1 expression promoted cell proliferation, cell transformation, and …

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Evaluation Of The Larvicidal Activity And Effect On Protein Configuration Of Two Bacillus Species And Six Plant Extracts Tested Against Culex Pipiens And Aedes Caspius Larvae, Aisha Alqahtani, Zamzam Aldhafar, Naema El Kassas, Magda Abdul Aziz Dec 2010

Evaluation Of The Larvicidal Activity And Effect On Protein Configuration Of Two Bacillus Species And Six Plant Extracts Tested Against Culex Pipiens And Aedes Caspius Larvae, Aisha Alqahtani, Zamzam Aldhafar, Naema El Kassas, Magda Abdul Aziz

Al-Azhar Bulletin of Science

All tested bacteria and plant extracts proved larvicidal activity against third instar larvae of both mosquitoes Culex pipiens and Aedes caspius .Bacillus sphaericus, indigenous strain (dammam) showed higher activity against Cx. pipiens larvae, with LC50 = 0.35x10-7 ppm. Than to Ae. caspius (LC50= 4.5x10-7 ppm) .Bacillus thuringiensis H-14 (Bactimos) has higher toxicity against Ae. caspius, followed by Cx. pipiens (LC50=8.0x10-7 and 1.4x10-6 ppm respectively. Both mosquito larvae were susceptible to all tested native plant extracts, Cleome arabica, Fagonia mollis, Gomphocarpussincaicus, Origanum syriacum, Trichodesma africanum and Artemisia judaica with median lethal doses equal to 125.09, 135.1, 203.03 , 289.5, 310.8 and …

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Historical Biogeography Of Velvet Ants (Hymenoptera: Mutillidae) In The North American Deserts And Arid Lands, Joseph S. Wilson Dec 2010

Historical Biogeography Of Velvet Ants (Hymenoptera: Mutillidae) In The North American Deserts And Arid Lands, Joseph S. Wilson

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

For centuries, scientists have been intrigued by the high amount of biodiversity that is found in the deserts of North America. Recently, several studies have investigated the causes of the high diversity found in desert-dwelling mammals, reptiles, and amphibians. These studies have found that many of these organisms seem to have diversified in response to the same historical events. Little work has been done, however, on diverse desert-dwelling insect groups. In this dissertation, I investigate the patterns of genetic diversity in four groups of nocturnal wasps called velvet ants. I compare the patterns of genetic diversity to the historical events …

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Assessment Of Ruminal Fermentation Characteristics Of Condensed Tannin-Containing Forages Using Continuous Cultures, Christina Marie Williams Dec 2010

Assessment Of Ruminal Fermentation Characteristics Of Condensed Tannin-Containing Forages Using Continuous Cultures, Christina Marie Williams

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Two independent studies were conducted to assess the effects of feeding condensed tannin (CT)-containing forages to continuous cultures to evaluate their impacts on ruminal fermentation and digestibility, with an emphasis on methane (CH4) and ammonia-N (NH3-N) production. In Chapter 3, treatments consisted of: 1) 100% alfalfa hay (AH), 2) 50% AH and 50% birdsfoot trefoil hay (dry matter (DM) basis; AHBFTH), and 3) 100% birdsfoot trefoil hay (BFTH). Three replicated runs lasted 8 d each, with the first 5 d allowed for microbial adaptation to the diets, and 3 d for data collection and sampling. Methane, neutral detergent fiber (NDF) …

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Establishment And Aesthetic Value Of Native Grass, Legume, And Forb Species For Grassland Restoration In The Northern Intermountain West, Bridget M. Atkin Dec 2010

Establishment And Aesthetic Value Of Native Grass, Legume, And Forb Species For Grassland Restoration In The Northern Intermountain West, Bridget M. Atkin

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Interest in the restoration of landscapes native to the Intermountain West is growing as the value of these arid ecosystems is increasingly recognized. Many landscapes within the Intermountain region have been impacted by grazing, development, recreation, and other human-caused disturbances. The complex relationships within the native plant communities of these arid landscapes need to be well-understood biologically, while considering their aesthetic contribution, if restoration efforts are to succeed. Although the use of ecologically appropriate native species is increasing in popularity, there is discontinuity between aesthetics and meaningful ecological contributions. A series of studies was designed to aid in the restoration …

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Maporal Hantavirus Β-Integrin Utilization And Sensitivity To Favipiravir, Kristin K. Buys Dec 2010

Maporal Hantavirus Β-Integrin Utilization And Sensitivity To Favipiravir, Kristin K. Buys

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Hantaviruses are members of the Bunyaviridae family of viruses. Pathogenic hantaviruses are the etiologic agents of hemorrhagic fever with renal syndrome (HFRS), a disease principally endemic in the Old World, and hantavirus pulmonary syndrome (HPS), a disease primarily restricted to the Americas. Maporal virus (MPRLV), a recently isolated hantavirus, has been found to cause disease in hamsters that resembles HPS in humans. However, the virus has not been linked to human cases of HPS. Considerable evidence suggests that β-integrin usage mediating infection may serve to distinguish hantaviruses pathogenic to humans from nonpathogenic, but this receptor usage pattern information is not …

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Effect Of Mica Content On Surface Infiltration Of Soils In Northwestern Kern County, California, Steven Keyes Stakland Dec 2010

Effect Of Mica Content On Surface Infiltration Of Soils In Northwestern Kern County, California, Steven Keyes Stakland

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

A soils infiltration rate (IR) is the measured rate that soil is able to absorb water, either from precipitation or irrigation. A low IR can cause damage to crops if the necessary amount of water cannot penetrate to the plant roots in the time needed. The damage can be common in permanent plantings such as almond and pistachio orchards where regular tillage is avoided. This indicates a physical aspect to the problem because tillage increases IR. However, there is also an electrochemical side to infiltration problems because certain calcium surfactant treatments can increase IR. Various other methods have been used …

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Characterizing And Treating The Neuropathology Of Tuberous Sclerosis Complex In The Mouse, Sharon W. Way Dec 2010

Characterizing And Treating The Neuropathology Of Tuberous Sclerosis Complex In The Mouse, Sharon W. Way

Dissertations & Theses (Open Access)

Tuberous sclerosis complex (TSC) is a multisystem, autosomal dominant disorder affecting approximately 1 in 6000 births. Developmental brain abnormalities cause substantial morbidity and mortality and often lead to neurological disease including epilepsy, cognitive disabilities, and autism. TSC is caused by inactivating mutations in either TSC1 or TSC2, whose protein products are known inhibitors of mTORC1, an important kinase regulating translation and cell growth. Nonetheless, neither the pathophysiology of the neurological manifestations of TSC nor the extent of mTORC1 involvement in the development of these lesions is known. Murine models would greatly advance the study of this debilitating disorder. This thesis …

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The Usu Tree Inventory Website: A Case Study Of An Interactive Online Woody Plant Education Resource, Benjamin W. Harris Dec 2010

The Usu Tree Inventory Website: A Case Study Of An Interactive Online Woody Plant Education Resource, Benjamin W. Harris

All Graduate Plan B and other Reports, Spring 1920 to Spring 2023

The USU tree inventory website is an interactive, online tree education resource that I developed to allow students and community members to locate, identify and learn about trees on the USU campus. Students in two USU courses that teach woody plant material used the website during one semester and were surveyed about their experience. Less than half of the students accessed the website, but those that did found it useful as a supplement to traditional instruction. Most students were likely to recommend the website to another person and to use the website in the future.

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Front Matter, Southeastern Fishes Council Dec 2010

Front Matter, Southeastern Fishes Council

Southeastern Fishes Council Proceedings

No abstract provided.

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Topsoil Quality Guidelines For Landscaping, Rich Koenig, Von Isaman Dec 2010

Topsoil Quality Guidelines For Landscaping, Rich Koenig, Von Isaman

Gardening

No abstract provided.

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Sagestep News, Winter 2010, No. 11, Sagestep Dec 2010

Sagestep News, Winter 2010, No. 11, Sagestep

Newsletters

Seasonal newsletter of SageSTEP.

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Discrete Diffusion Models To Study The Effects Of Mg2+ Concentration On The Phopq Signal Transduction System, Preetam Ghosh, Samik Ghosh, Kalyan Basu, Sajal K. Das, Chaoyang Zhang Dec 2010

Discrete Diffusion Models To Study The Effects Of Mg2+ Concentration On The Phopq Signal Transduction System, Preetam Ghosh, Samik Ghosh, Kalyan Basu, Sajal K. Das, Chaoyang Zhang

Faculty Publications

Background: The challenge today is to develop a modeling and simulation paradigm that integrates structural, molecular and genetic data for a quantitative understanding of physiology and behavior of biological processes at multiple scales. This modeling method requires techniques that maintain a reasonable accuracy of the biological process and also reduces the computational overhead. This objective motivates the use of new methods that can transform the problem from energy and affinity based modeling to information theory based modeling. To achieve this, we transform all dynamics within the cell into a random event time, which is specified through an information domain …

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Sagestep News, Fall 2010, No. 13, Sagestep Dec 2010

Sagestep News, Fall 2010, No. 13, Sagestep

Newsletters

Seasonal newsletter of SageSTEP.

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Counterintuitive Effects Of Large-Scale Predator Removal On A Midlatitude Rodent Community, John L. Maron, Dean E. Pearson, Robert J. Fletcher Jr. Dec 2010

Counterintuitive Effects Of Large-Scale Predator Removal On A Midlatitude Rodent Community, John L. Maron, Dean E. Pearson, Robert J. Fletcher Jr.

Biological Sciences Faculty Publications

Historically, small mammals have been focal organisms for studying predator–prey dynamics, principally because of interest in explaining the drivers of the cyclical dynamics exhibited by northern vole, lemming, and hare populations. However, many small-mammal species occur at relatively low and fairly stable densities at temperate latitudes, and our understanding of how complex predator assemblages influence the abundance and dynamics of these species is surprisingly limited. In an intact grassland ecosystem in western Montana, USA, we examined the abundance and dynamics of Columbian ground squirrels (Spermophilus columbianus), deer mice (Peromyscus maniculatus), and montane voles (Microtus montanus …

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What Brown Saw And You Can Too, Philip Pearle, Brian Collett, Kenneth Bart, David Bilderback, Dara Newman, D. Scott Samuels Dec 2010

What Brown Saw And You Can Too, Philip Pearle, Brian Collett, Kenneth Bart, David Bilderback, Dara Newman, D. Scott Samuels

Biological Sciences Faculty Publications

A discussion of Robert Brown’s original observations of particles ejected by pollen of the plant Clarkia pulchella undergoing what is now called Brownian motion is given. We consider the nature of those particles and how he misinterpreted the Airy disk of the smallest particles to be universal organic building blocks. Relevant qualitative and quantitative investigations with a modern microscope and with a “homemade” single lens microscope similar to Brown’s are presented.

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