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Glycosylphosphatidylinositol-Anchored Proteins Are Required For Cell Wall Synthesis And Morphogenesis In Arabidopsis, C. Stewart Gillmor, Wolfgang Lukowitz, Ginger Brininstool, John C. Sedbrook, Thorsten Hamann, Patricia Poindexter, Chris Somerville Dec 2005

Glycosylphosphatidylinositol-Anchored Proteins Are Required For Cell Wall Synthesis And Morphogenesis In Arabidopsis, C. Stewart Gillmor, Wolfgang Lukowitz, Ginger Brininstool, John C. Sedbrook, Thorsten Hamann, Patricia Poindexter, Chris Somerville

Faculty Publications

Mutations at five loci named PEANUT1-5 (PNT) were identified in a genetic screen for radially swollen embryo mutants, pnt1 cell walls showed decreased crystalline cellulose, increased pectins, and irregular and ectopic deposition of pectins, xyloglucans, and callose. Furthermore, pnt1 pollen is less viable than the wild type, and pnt1 embryos were delayed in morphogenesis and showed defects in shoot and root meristems. The PNT1 gene encodes the Arabidopsis thaliana homolog of mammalian PIG-M, an endoplasmic reticulum-localized mannosyltransferase that is required for synthesis of the glycosylphosphatidylinositol (GPI) anchor. All five pnt mutants showed strongly reduced accumulation of GPI-anchored proteins, suggesting that …

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Towards Scalable Linear-Optical Quantum Computers, J. P. Dowling, J. D. Franson, H. Lee, G. J. Milburn Dec 2005

Towards Scalable Linear-Optical Quantum Computers, J. P. Dowling, J. D. Franson, H. Lee, G. J. Milburn

Faculty Publications

Scalable quantum computation with linear optics was considered to be impossible due to the lack of efficient two-qubit logic gates, despite the ease of implementation of one-qubit gates. Two-qubit gates necessarily need a non-linear interaction between the two photons, and the efficiency of this non-linear interaction is typically very small in bulk materials. However, it has recently been shown that this barrier can be circumvented with effective non-linearities produced by projective measurements, and with this work linear-optical quantum computing becomes a new avenue towards scalable quantum computation. We review several issues concerning the principles and requirements of this scheme. © …

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Cryopreservation Of Human Hematopoietic Stem And Progenitor Cells Loaded With Trehalose: Transient Permeabilization Via The Adenosine Triphosphate-Dependent P2z Receptor Channel, Sandhya S. Buchanan, Michael A. Menze, Steven C. Hand, David W. Pyatt, John F. Carpenter Dec 2005

Cryopreservation Of Human Hematopoietic Stem And Progenitor Cells Loaded With Trehalose: Transient Permeabilization Via The Adenosine Triphosphate-Dependent P2z Receptor Channel, Sandhya S. Buchanan, Michael A. Menze, Steven C. Hand, David W. Pyatt, John F. Carpenter

Faculty Publications

Hematopoietic stem and progenitor cells (HPCs) are a heterogenic population of cells used to treat a number of human diseases. Multilineage differentiation is a required function in successful hematopoietic reconstitution after transplantation of cryopreserved grafts. Conventional use of the cryoprotectant dimethyl sulfoxide (DMSO) has resulted in some reports of infusion related toxicity attributed to DMSO and/or damage to cells during freeze-thawing procedures. The purpose of this study was to explore the use of trehalose, a nontoxic disaccharide of glucose, as an alternative cryoprotectant. Trehalose was introduced into HPCs using the P2Z receptor, known to form nonselective pores in the presence …

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Detection Of Homocysteine And Cysteine, Weihua Wang, Oleksandr Rusin, Xiangyang Xu, Kyu Kwang Kim, Jorge O. Escobedo, Sayo O. Fakayode, Kristin A. Fletcher, Mark Lowry, Corin M. Schowalter, Candace M. Lawrence, Frank R. Fronczek, Isiah M. Warner, Robert M. Strongin Nov 2005

Detection Of Homocysteine And Cysteine, Weihua Wang, Oleksandr Rusin, Xiangyang Xu, Kyu Kwang Kim, Jorge O. Escobedo, Sayo O. Fakayode, Kristin A. Fletcher, Mark Lowry, Corin M. Schowalter, Candace M. Lawrence, Frank R. Fronczek, Isiah M. Warner, Robert M. Strongin

Faculty Publications

At elevated levels, homocysteine (Hcy, 1) is a risk factor for cardiovascular diseases, Alzheimer's disease, neural tube defects, and osteoporosis. Both 1 and cysteine (Cys, 3) are linked to neurotoxicity. The biochemical mechanisms by which 1 and 3 are involved in disease states are relatively unclear. Herein, we describe simple methods for detecting either Hey or Cys in the visible spectral region with the highest selectivity reported to date without using biochemical techniques or preparative separations. Simple methods and readily available reagents allow for the detection of Cys and Hey in the range of their physiologically relevant levels. New HPLC …

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Multiple Bromodomain Genes Are Involved In Restricting The Spread Of Heterochromatic Silencing At The Saccharomyces Cerevisiae Hmr-Trna Boundary, Nithya Jambunathan, Adam W. Martinez, Elizabeth C. Robert, Nneamaka B. Agochukwu, Megan E. Ibos, Sandra L. Dugas, David Donze Nov 2005

Multiple Bromodomain Genes Are Involved In Restricting The Spread Of Heterochromatic Silencing At The Saccharomyces Cerevisiae Hmr-Trna Boundary, Nithya Jambunathan, Adam W. Martinez, Elizabeth C. Robert, Nneamaka B. Agochukwu, Megan E. Ibos, Sandra L. Dugas, David Donze

Faculty Publications

The transfer RNA gene downstream from the HMR locus in S. cerevisiae functions as part of a boundary (barrier) element that restricts the spread of heterochromatic gene silencing into the downstream region of chromosome III. A genetic screen for identifying additional genes that, when mutated, allow inappropriate spreading of silencing from HMR through the tRNA gene was performed. YTA7, a gene containing bromodomain and ATPase homologies, was identified multiple times. Previously, others had shown that the bromodomain protein Bdf1p functions to restrict silencing at yeast euchromatin- heterochromatin boundaries; therefore we deleted nonessential bromodomain-containing genes to test their effects on heterochromatin …

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Economic Globalization And Civil War, Katherine Barbieri, Rafael Reuveny Nov 2005

Economic Globalization And Civil War, Katherine Barbieri, Rafael Reuveny

Faculty Publications

No abstract provided.

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Genetic Analysis Of The Sars-Coronavirus Spike Glycoprotein Functional Domains Involved In Cell-Surface Expression And Cell-To-Cell Fusion, Chad M. Petit, Jeffrey M. Melancon, Vladimir N. Chouljenko, Robin Colgrove, Michael Farzan, David M. Knipe, K. G. Kousoulas Oct 2005

Genetic Analysis Of The Sars-Coronavirus Spike Glycoprotein Functional Domains Involved In Cell-Surface Expression And Cell-To-Cell Fusion, Chad M. Petit, Jeffrey M. Melancon, Vladimir N. Chouljenko, Robin Colgrove, Michael Farzan, David M. Knipe, K. G. Kousoulas

Faculty Publications

The SARS-coronavirus (SARS-CoV) is the etiological agent of severe acute respiratory syndrome (SARS). The SARS-CoV spike (S) glycoprotein mediates membrane fusion events during virus entry and virus-induced cell-to-cell fusion. To delineate functional domains of the SARS-CoV S glycoprotein, single point mutations, cluster-to-lysine and cluster-to-alanine mutations, as well as carboxyl-terminal truncations were investigated in transient expression experiments. Mutagenesis of either the coiled-coil domain of the S glycoprotein amino terminal heptad repeat, the predicted fusion peptide, or an adjacent but distinct region, severely compromised S-mediated cell-to-cell fusion, while intracellular transport and cell-surface expression were not adversely affected. Surprisingly, a carboxyl-terminal truncation of …

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A Role For Airway Remodeling During Respiratory Syncytial Virus Infection, David Becnel, Dahui You, Joshua Erskin, Dawn M. Dimina, Stephania A. Cormier Oct 2005

A Role For Airway Remodeling During Respiratory Syncytial Virus Infection, David Becnel, Dahui You, Joshua Erskin, Dawn M. Dimina, Stephania A. Cormier

Faculty Publications

Background: Severe respiratory syncytial virus infection (RSV) during infancy has been shown to be a major risk factor for the development of subsequent wheeze. However, the reasons for this link remain unclear. The objective of this research was to determine the consequences of early exposure to RSV and allergen in the development of subsequent airway hyperreactivity (AHR) using a developmental time point in the mouse that parallels that of the human neonate. Methods: Weanling mice were sensitized and challeged with ovalbumin (Ova) and/or infected with RSV. Eight days after the last allergen challenge, various pathophysiological endpoints were examined. Results: AHR …

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Some Reflections On The Symposium: Judging, The Classical Legal Paradigm And The Possible Contributions Of Science, Christina E. Wells Oct 2005

Some Reflections On The Symposium: Judging, The Classical Legal Paradigm And The Possible Contributions Of Science, Christina E. Wells

Faculty Publications

One theme running through the many excellent contributions to this symposium involves the myriad influences on judicial decision-making. As Professor Wrightsman notes, Supreme Court Justices' personal characteristics may affect their ability to influence colleagues and, consequently, the outcome of Supreme Court decisions. Professor Ruger observes that judges have both attitudinal and jurisprudential preferences that may change over time, affecting legal outcomes differently as time passes. Professor Sisk similarly notes that judges' personal values and experiences influence their decision-making. These observations are consistent with those of numerous other scholars, who find wide-ranging and diverse influences on the judicial resolution of legal …

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Advancing Public Interest Practitioner Research Skills In Legal Education, Randy J. Diamond Oct 2005

Advancing Public Interest Practitioner Research Skills In Legal Education, Randy J. Diamond

Faculty Publications

The information revolution has dramatically altered the legal research landscape, expanding the bounds of legal authority. Practitioner research requires more than traditional legal research. It also encompasses factual investigation, non-legal information, interdisciplinary and audience research. Many new lawyers are ill-prepared to research novel and unusual situations, to cope with unwritten laws and local customs, and to meet shifting authority expectations.

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Modulation Of Yeast Genome Expression In Response To Defective Rna Polymerase Iii-Dependent Transcription, Christine Conesa, Roberta Ruotolo, Pascal Soularue, Tiffany A. Simms, David Donze, André Sentenac, Giorgio Dieci Oct 2005

Modulation Of Yeast Genome Expression In Response To Defective Rna Polymerase Iii-Dependent Transcription, Christine Conesa, Roberta Ruotolo, Pascal Soularue, Tiffany A. Simms, David Donze, André Sentenac, Giorgio Dieci

Faculty Publications

We used genome-wide expression analysis in Saccharomyces cerevisiae to explore whether and how the expression of protein-coding, RNA polymerase (Pol) II-transcribed genes is influenced by a decrease in RNA Pol III-dependent transcription. The Pol II transcriptome was characterized in four thermosensitive, slow-growth mutants affected in different components of the RNA Pol III transcription machinery. Unexpectedly, we found only a modest correlation between altered expression of Pol II-transcribed genes and their proximity to class III genes, a result also confirmed by the analysis of single tRNA gene deletants. Instead, the transcriptome of all of the four mutants was characterized by increased …

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Cellular Efflux Of Auxin Catalyzed By The Arabidopsis Mdr/Pgp Transporter Atpgp1, Markus Geisler, Joshua J. Blakeslee, Rodolphe Bouchard, Ok Ran Lee, Vincent Vincenzetti, Anindita Bandyopadhyay, Boosaree Titapiwatanakun, Wendy Ann Peer, Aurèlien Bailly, Elizabeth L. Richards, Karin F.K. Ejendal, Aaron P. Smith, Célia Baroux, Ueli Grossniklaus, Axel Müller, Christine A. Hrycyna, Robert Dudler, Angus S. Murphy, Enrico Martinoia Oct 2005

Cellular Efflux Of Auxin Catalyzed By The Arabidopsis Mdr/Pgp Transporter Atpgp1, Markus Geisler, Joshua J. Blakeslee, Rodolphe Bouchard, Ok Ran Lee, Vincent Vincenzetti, Anindita Bandyopadhyay, Boosaree Titapiwatanakun, Wendy Ann Peer, Aurèlien Bailly, Elizabeth L. Richards, Karin F.K. Ejendal, Aaron P. Smith, Célia Baroux, Ueli Grossniklaus, Axel Müller, Christine A. Hrycyna, Robert Dudler, Angus S. Murphy, Enrico Martinoia

Faculty Publications

Directional transport of the phytohormone auxin is required for the establishment and maintenance of plant polarity, but the underlying molecular mechanisms have not been fully elucidated. Plant homologs of human multiple drug resistance/P-glycoproteins (MDR/PGPs) have been implicated in auxin transport, as defects in MDR1 (AtPGP19) and AtPGP1 result in reductions of growth and auxin transport in Arabidopsis (atpgp1, atpgp19), maize (brachytic2) and sorghum (dwarf3). Here we examine the localization, activity, substrate specificity and inhibitor sensitivity of AtPGP1. AtPGP1 exhibits non-polar plasma membrane localization at the shoot and root apices, as well as polar localization above the root apex. Protoplasts from …

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Constructing Saigyo: Poetry, Biography, And Medieval Reception, Jack C. Stoneman Oct 2005

Constructing Saigyo: Poetry, Biography, And Medieval Reception, Jack C. Stoneman

Faculty Publications

The late Heian-period poet/monk Saigyō (西行1118-1190) has long been considered one of the most talented of Japan’s waka poets. His poetry and his legend have found their place in elite and popular culture, spanning social class as well as multiple fields of cultural production, such as poetry, travel literature, painting, woodblock prints, nō and kabuki, and Buddhist tales, to name a few. This study aims to present the reader with a critical analysis of Saigyō, his poetry, and his legend by answering several key questions. Who was the historical Saigyō that lived from 1118 to 1190? How did he become …

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Paradox And The Consumption Of Authenticity Through Reality Television, Randall L. Rose, Stacy L. Wood Sep 2005

Paradox And The Consumption Of Authenticity Through Reality Television, Randall L. Rose, Stacy L. Wood

Faculty Publications

We position reality television within the broader category of consumer practices of authenticity seeking in a postmodern cultural context. The study draws on relevant perspectives from consumer research, literary criticism, sociology, and anthropology to argue that viewers of reality television encounter three elements of paradox in the process of constructing authenticity. The negotiation of each paradox exceeds the process of coping with or resolving their inherent contradictions to encompass the creation of new values. We argue that consumers blend fantastic elements of programming with indexical elements connected to their lived experiences to create a form of self-referential hyperauthenticity.

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The Implications Of Conjunctive And Disjunctive Forgiveness For Sexual Abuse, Herbert W. Helm, Jonathan R. Cook, John M. Berecz Sep 2005

The Implications Of Conjunctive And Disjunctive Forgiveness For Sexual Abuse, Herbert W. Helm, Jonathan R. Cook, John M. Berecz

Faculty Publications

This article examines the relationship between forgiveness styles (conjunctive and disjunctive models) and sexual abuse. Surveys from 114 university students were analyzed for differences between non-sexually abused and sexually abused subjects on a number of psychological and physical well-being variables. A number of differences were found including higher levels of reported verbal and physical abuse for the sexually abused subjects. Only one sexually abused subject was found that fit the pattern of conjunctive forgiveness (one of reconciliation) towards the offender. The majority of sexually abused subjects preferred to keep their distance from the abuser, regardless of the extent to which …

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The Process Of Research In International Settings: From Risk Assessment To Program Development And Intervention, M. Catherin Freier, Duane C. Mcbride, Gary Hopkins, Talin Babikian, Lloyd Richardson, Herbert W. Helm Sep 2005

The Process Of Research In International Settings: From Risk Assessment To Program Development And Intervention, M. Catherin Freier, Duane C. Mcbride, Gary Hopkins, Talin Babikian, Lloyd Richardson, Herbert W. Helm

Faculty Publications

Although there are many challenges, international HIV prevention research and program evaluation are critical to advances in the health and welfare of people around the globe. While there is an increasing amount of literature describing outcomes of international prevention programs, there is sparse information regarding the process of developing and implementing international research. This brief report describes key elements in the development of collaborative international prevention research and programmatic implementation. © The Author 2005. Published by Oxford University Pressen behalf of the New York Academy of Medicine. All rights reserved.

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A Global Regulatory Role Of Gluconeogenic Genes In Escherichia Coli Revealed By Transcriptome Network Analysis, Katy Kao, Linh Tran, James Liao Aug 2005

A Global Regulatory Role Of Gluconeogenic Genes In Escherichia Coli Revealed By Transcriptome Network Analysis, Katy Kao, Linh Tran, James Liao

Faculty Publications

In bacterial adaptation to the dynamic environment, metabolic genes are typically thought to be the executors, whereas global transcription regulators are regarded as the decision makers. Although the feedback from metabolic consequence is believed to be important, much less is understood. This work demonstrates that the gluconeogenic genes in Escherichia coli, ppsA, sfcA, and maeB, provide a feedback loop to the global regulator, cAMP receptor protein (CRP), in carbon source transition. Disruption of one of the gluconeogenic pathways has no phenotype in balanced growth, but causes a significant delay in the diauxic transition from glucose to acetate. To investigate the …

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The Calculation Of Characteristic Impedance And Propagation Operator Associated With Isothermal And Viscous Effects In Acoustic Tubes, Dean R. Wheeler Aug 2005

The Calculation Of Characteristic Impedance And Propagation Operator Associated With Isothermal And Viscous Effects In Acoustic Tubes, Dean R. Wheeler

Faculty Publications

Chebychev type approximations are used to represent the Kelvin functions and in turn the complex Bessel functions needed in modeling the characteristic impedance and propagation operator for an acoustic tube. This technique is used to approximate the Bessel functions of the first kind of order zero and order one with complex arguments. The method is then used to approximate the ratio of Bessel functions in an effort to decrease computing time. The results are used in electrical analog expressions for computing system frequency response of miniature transducers.

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Highly Water-Soluble Thermally Responsive Poly(Thiophene)-Based Brushes, Sreelatha S. Balamurugan, Grigor B. Bantchev, Yuming Yang, Robin L. Mccarley Aug 2005

Highly Water-Soluble Thermally Responsive Poly(Thiophene)-Based Brushes, Sreelatha S. Balamurugan, Grigor B. Bantchev, Yuming Yang, Robin L. Mccarley

Faculty Publications

(Figure Presented) A brush with success: Responsive brushes composed of poly(N-isopropylacrylamide) grafted onto a poly(thiophene) backbone display the highest water solubility ever reported for a neutral poly(thiophene) as well as temperature-dependent optical properties and water solubilities (see picture). The graft polymer exhibits shifts in the π-π* transition of the poly(thiophene) backbone near the collapse temperature of the poly(N-isopropylacrylamide) chains. © 2005 Wiley-VCH Verlag GmbH & Co. KGaA.

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Optimizing Transmission Time Of Scalable Coded Images In Peer-To-Peer Networks, Xiao Su, Rod Fatoohi, Tao Wang Aug 2005

Optimizing Transmission Time Of Scalable Coded Images In Peer-To-Peer Networks, Xiao Su, Rod Fatoohi, Tao Wang

Faculty Publications

In this paper, we study how to optimize image transmission time in peer-to-peer networks by considering the property of bitstreams generated by image coding algorithms. Images can be either scalable coded or nonscalable coded. Since transmission of nonscalable coded images is well understood, we focus on the transmission of scalable coded images in this paper.Because scalable coding embeds lower bit-rate bitstreams into higher bit-rate bitstreams, there exists a many-to-one relationship between supplying and requesting peers. When a requesting peer asks for an image coded in a particular bit rate, multiple peers with the same image but coded in different bit …

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Altering The Tropism Of Lentiviral Vectors Through Pseudotyping, James Cronin, Xian Yang Zhang, Jakob Reiser Aug 2005

Altering The Tropism Of Lentiviral Vectors Through Pseudotyping, James Cronin, Xian Yang Zhang, Jakob Reiser

Faculty Publications

The host range of retroviral vectors including lentiviral vectors can be expanded or altered by a process known as pseudotyping. Pseudotyped lentiviral vectors consist of vector particles bearing glycoproteins (GPs) derived from other enveloped viruses. Such particles possess the tropism of the virus from which the GP was derived. For example, to exploit the natural neural tropism of rabies virus, vectors designed to target the central nervous system have been pseudotyped using rabies virus-derived GPs. Among the first and still most widely used GPs for pseudotyping lentiviral vectors is the vesicular stomatitis virus GP (VSV-G), due to the very broad …

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Toward Ontology Generation From Tables, Deryle W. Lonsdale, Yuri A. Tijerino, David W. Embley, Yihong Ding, George Nagy Aug 2005

Toward Ontology Generation From Tables, Deryle W. Lonsdale, Yuri A. Tijerino, David W. Embley, Yihong Ding, George Nagy

Faculty Publications

At the heart of today’s information-explosion problems are issues involving semantics, mutual understanding, concept matching, and interoperability. Ontologies and the Semantic Web are offered as a potential solution, but creating ontologies for real-world knowledge is nontrivial. If we could automate the process, we could significantly improve our chances of making the Semantic Web a reality. While understanding natural language is difficult, tables and other structured information make it easier to interpret new items and relations. In this paper we introduce an approach to generating ontologies based on table analysis. We thus call our approach TANGO (Table ANalysis for Generating Ontologies). …

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Photochemical Transformations Of Riverine Dissolved Organic Matter: Effects On Estuarine Bacterial Metabolism And Nutrient Demand, Erik M. Smith, Ronald Benner Jul 2005

Photochemical Transformations Of Riverine Dissolved Organic Matter: Effects On Estuarine Bacterial Metabolism And Nutrient Demand, Erik M. Smith, Ronald Benner

Faculty Publications

By experimentally simulating the exposure of terrigenous dissolved organic matter (DOM) to sunlight during the mixing of river water and seawater in an estuary (St. Helena Sound, South Carolina), this study examined how photochemical alterations may affect both the magnitude and fate of DOM utilization by estuarine bacteria. In a series of experiments performed with water samples collected from 3 blackwater rivers draining into an estuary of the South Atlantic Bight (USA), exposure to light resulted in significant decreases in dissolved organic carbon (DOC) concentration and DOM absorption at 350 nm relative to dark controls. When these water samples were …

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Enhancement Of Calcium-Dependent Afterpotentials In Oxytocin Neurons Of The Rat Supraoptic Nucleus During Lactation, Ryoichi Teruyama, William E. Armstrong Jul 2005

Enhancement Of Calcium-Dependent Afterpotentials In Oxytocin Neurons Of The Rat Supraoptic Nucleus During Lactation, Ryoichi Teruyama, William E. Armstrong

Faculty Publications

The firing pattern of oxytocin (OT) hormone synthesizing neurons changes dramatically immediately before each milk ejection, when a brief burst of action potentials is discharged. OT neurons possess intrinsic currents that would modulate this burst. Our previous studies showed the amplitude of the Ca2+-dependent afterhyperpolarization (AHP) following spike trains is significantly larger during lactation. In the present study we sought to determine which component of the AHP is enhanced, and whether the enhancement could be related to changes in whole-cell Ca2+ current or the Ca2+ transient in identified OT or vasopressin (VP) neurons during lactation. We confirmed, with whole-cell current-clamp …

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Civil-Military Relations In A Civilized State: Panama, Ronald D. Sylvia, Constantine P. Danopoulos Jul 2005

Civil-Military Relations In A Civilized State: Panama, Ronald D. Sylvia, Constantine P. Danopoulos

Faculty Publications

This article traces and analyzes civil-military relations in Panama. After a brief overview of the role of the National Guard in the country politics, the article concentrates on political developments since the 1989 U.S. invasion to overthrow the Noriega regime and the subsequent elimination of the Panamanian military. The study seeks to shed light on political life in an armyless and politically and socially fractionalized country occupying a sensitive strategic location. The concluding part of the study speculates on the possibility that terrorism, domestic security concerns, and regional considerations may prompt Washington and Panamanian leaders to reverse the decision to …

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The 'Abuse Excuse' In Capital Sentencing Trials: Is It Relevant To Responsibility, Punishment, Or Neither?, Paul J. Litton Jul 2005

The 'Abuse Excuse' In Capital Sentencing Trials: Is It Relevant To Responsibility, Punishment, Or Neither?, Paul J. Litton

Faculty Publications

The violent criminal who was a victim of severe childhood abuse frequently appears in the responsibility literature because he presents a difficulty for theorists who maintain the compatibility of causal determinism and our practices of holding persons responsible. The challenge is based on the fact that learning about an offender's horrific childhood mitigates the indignation that many persons feel towards him, possibly indicating that they hold him less than fully responsible. Many capital defendants present evidence of suffering childhood abuse, and many jurors find this evidence to count against imposing death. The most obvious explanation for a response like this …

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Judicial Selection By The Numbers, Michael J. Gerhardt Jul 2005

Judicial Selection By The Numbers, Michael J. Gerhardt

Faculty Publications

No abstract provided.

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Librarians As Disciplinary Discourse Mediators: Using Genre Theory To Move Toward Critical Information Literacy, Michelle H. Simmons Jul 2005

Librarians As Disciplinary Discourse Mediators: Using Genre Theory To Move Toward Critical Information Literacy, Michelle H. Simmons

Faculty Publications

No abstract provided.

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Community And School Drug Prevention Strategy Prevalence: Differential Effects By Setting And Substance, Curtis J. Vanderwaal, Lisa M. Powell, Yvonne M. Terry-Mcelrath, Yanjun Bao, Brian R. Flay Jul 2005

Community And School Drug Prevention Strategy Prevalence: Differential Effects By Setting And Substance, Curtis J. Vanderwaal, Lisa M. Powell, Yvonne M. Terry-Mcelrath, Yanjun Bao, Brian R. Flay

Faculty Publications

This study used key informant interviews and student survey data in 508 U.S. communities to examine relationships between the prevalence of community and non-classroom-based school substance prevention strategies and teen substance use rates. After controlling for covariates, analyses indicated that: (1) adult-supervised after-school activities were significantly related to lower past 30-day cigarette smoking and both past 30-day alcohol use and binge drinking; (2) unsupervised after-school recreational facilities were significantly associated with both lower past 30-day cigarette smoking and current daily smoking; (3) community activities to reduce substance use were significantly related to lower binge drinking; and (4) student organizations to …

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Ecotypic Variation In Phosphorus Acquisition Mechanisms Within Marine Picocyanobacteria, Lisa Moore Phd, M. Ostrowski, D. J. Scanlan, K. Feren, T. Sweetsir Jun 2005

Ecotypic Variation In Phosphorus Acquisition Mechanisms Within Marine Picocyanobacteria, Lisa Moore Phd, M. Ostrowski, D. J. Scanlan, K. Feren, T. Sweetsir

Faculty Publications

Prochlorococcus and Synechococcus are major prokaryotic primary producers in the oligotrophic oceans that may be affected by the climate-related increases in nitrogen fixation and subsequent phosphorus (P) limitation in some parts of the oceans. Evidence that Prochlorococcus populations in the North Pacific subtropical gyre (NPSG) have increased over the past decades, possibly due to having a competitive advantage under conditions of P limitation, suggests aspects of their Pphysiology that are important for dictating their in situ success. Here, we compared the physiology of P acquisition and response to P stress (indicated by alkaline phosphatase activity, APA) among isolates of Prochlorococcus …

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