131 research outputs found
The Grizzly, September 26, 1980
Equipment Stolen From New Ritter Center • Conversion Eases Skyrocketing Utility Costs • Dean\u27s Office Discloses Frat GPAs • New Windows for NMD • New Spanish Lecturers Interviewed • IF, USGA to Sponsor Fall Picnic • Anderson Addresses College Crowd At Phila. Rally • College Invaded By World Of Technology • Draft Registration Closely Examined • Campus Grounds Receive Face Lift • Hamilton Presents Astronomy Discoveries • Try-outs for Trial by Jury • Weekends at Ursinus • Harriers Place 2nd At Lafayette Invitational • Grizzly Football Handled By W. Maryland • Sports Profile: Craig Walck • Field Hockey Finishes Week Undefeated • Strong Hitting By Bear V-Ball Outdoes Moravian • Offense Sputters As Bears Lose • Kreiger Powers Heathenshttps://digitalcommons.ursinus.edu/grizzlynews/1041/thumbnail.jp
The Grizzly, October 17, 1980
Clouser Organizes Medical Advisory Committee • Union Rules Out Greaseband This Year • Freshman Class Appointments Available • Education Department Optimistic About Jobs • New Profs Appointed In German, History Depts. • Parents\u27 Day Brings Campus Enthusiasm • Staiger Named for State Committee • College Offers Numerous Special Programs • Coffeehouse Of \u27Distant Admiration\u27 • Radio WRUC Making Slow Return • Forum Presents Tyler and Althea • Parents\u27 Day Sees Gym Dedication • SAC Approves Two New Clubs • \u27Gong Show\u27 Provides Friday Night Fun • College Bowl Season Officially Opens • Heathens Take Intramural Title • Booters Kick Del Valley • Women\u27s Volleyball Faces Tough Schedule • Football Finds Season\u27s First W • Hockey Raises Record To 6-1-3https://digitalcommons.ursinus.edu/grizzlynews/1044/thumbnail.jp
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The Plant Structure Ontology, a Unified Vocabulary of Anatomy and Morphology of a Flowering Plant
Formal description of plant phenotypes and standardized annotation of gene expression and protein localization data require
uniform terminology that accurately describes plant anatomy and morphology. This facilitates cross species comparative
studies and quantitative comparison of phenotypes and expression patterns. A major drawback is variable terminology that is
used to describe plant anatomy and morphology in publications and genomic databases for different species. The same terms
are sometimes applied to different plant structures in different taxonomic groups. Conversely, similar structures are named by
their species-specific terms. To address this problem, we created the Plant Structure Ontology (PSO), the first generic
ontological representation of anatomy and morphology of a flowering plant. The PSO is intended for a broad plant research
community, including bench scientists, curators in genomic databases, and bioinformaticians. The initial releases of the PSO
integrated existing ontologies for Arabidopsis (Arabidopsis thaliana), maize (Zea mays), and rice (Oryza sativa); more recent
versions of the ontology encompass terms relevant to Fabaceae, Solanaceae, additional cereal crops, and poplar (Populus spp.).
Databases such as The Arabidopsis Information Resource, Nottingham Arabidopsis Stock Centre, Gramene, MaizeGDB, and
SOL Genomics Network are using the PSO to describe expression patterns of genes and phenotypes of mutants and natural
variants and are regularly contributing new annotations to the Plant Ontology database. The PSO is also used in specialized
public databases, such as BRENDA, GENEVESTIGATOR, NASCArrays, and others. Over 10,000 gene annotations and phenotype
descriptions from participating databases can be queried and retrieved using the Plant Ontology browser. The PSO, as well
as contributed gene associations, can be obtained at www.plantontology.org.This is the publisher’s final pdf. The published article is copyrighted by the American Society of Plant Biologists and can be found at: http://www.plantphysiol.org/
Development of a blood-based gene expression algorithm for assessment of obstructive coronary artery disease in non-diabetic patients
<p>Abstract</p> <p>Background</p> <p>Alterations in gene expression in peripheral blood cells have been shown to be sensitive to the presence and extent of coronary artery disease (CAD). A non-invasive blood test that could reliably assess obstructive CAD likelihood would have diagnostic utility.</p> <p>Results</p> <p>Microarray analysis of RNA samples from a 195 patient Duke CATHGEN registry case:control cohort yielded 2,438 genes with significant CAD association (p < 0.05), and identified the clinical/demographic factors with the largest effects on gene expression as age, sex, and diabetic status. RT-PCR analysis of 88 CAD classifier genes confirmed that diabetic status was the largest clinical factor affecting CAD associated gene expression changes. A second microarray cohort analysis limited to non-diabetics from the multi-center PREDICT study (198 patients; 99 case: control pairs matched for age and sex) evaluated gene expression, clinical, and cell population predictors of CAD and yielded 5,935 CAD genes (p < 0.05) with an intersection of 655 genes with the CATHGEN results. Biological pathway (gene ontology and literature) and statistical analyses (hierarchical clustering and logistic regression) were used in combination to select 113 genes for RT-PCR analysis including CAD classifiers, cell-type specific markers, and normalization genes.</p> <p>RT-PCR analysis of these 113 genes in a PREDICT cohort of 640 non-diabetic subject samples was used for algorithm development. Gene expression correlations identified clusters of CAD classifier genes which were reduced to meta-genes using LASSO. The final classifier for assessment of obstructive CAD was derived by Ridge Regression and contained sex-specific age functions and 6 meta-gene terms, comprising 23 genes. This algorithm showed a cross-validated estimated AUC = 0.77 (95% CI 0.73-0.81) in ROC analysis.</p> <p>Conclusions</p> <p>We have developed a whole blood classifier based on gene expression, age and sex for the assessment of obstructive CAD in non-diabetic patients from a combination of microarray and RT-PCR data derived from studies of patients clinically indicated for invasive angiography.</p> <p>Clinical trial registration information</p> <p>PREDICT, Personalized Risk Evaluation and Diagnosis in the Coronary Tree, <url>http://www.clinicaltrials.gov</url>, <a href="http://www.clinicaltrials.gov/ct2/show/NCT00500617">NCT00500617</a></p
Global Patterns of Bacterial Beta-Diversity in Seafloor and Seawater Ecosystems
Background
Marine microbial communities have been essential contributors to global biomass, nutrient cycling, and biodiversity since the early history of Earth, but so far their community distribution patterns remain unknown in most marine ecosystems.
Methodology/Principal Findings
The synthesis of 9.6 million bacterial V6-rRNA amplicons for 509 samples that span the global ocean's surface to the deep-sea floor shows that pelagic and benthic communities greatly differ, at all taxonomic levels, and share <10% bacterial types defined at 3% sequence similarity level. Surface and deep water, coastal and open ocean, and anoxic and oxic ecosystems host distinct communities that reflect productivity, land influences and other environmental constraints such as oxygen availability. The high variability of bacterial community composition specific to vent and coastal ecosystems reflects the heterogeneity and dynamic nature of these habitats. Both pelagic and benthic bacterial community distributions correlate with surface water productivity, reflecting the coupling between both realms by particle export. Also, differences in physical mixing may play a fundamental role in the distribution patterns of marine bacteria, as benthic communities showed a higher dissimilarity with increasing distance than pelagic communities.
Conclusions/Significance
This first synthesis of global bacterial distribution across different ecosystems of the World's oceans shows remarkable horizontal and vertical large-scale patterns in bacterial communities. This opens interesting perspectives for the definition of biogeographical biomes for bacteria of ocean waters and the seabed
Diagnosis and management of Silver–Russell syndrome: first international consensus statement
This Consensus Statement summarizes recommendations for clinical diagnosis, investigation and management of patients with Silver–Russell syndrome (SRS), an imprinting disorder that causes prenatal and postnatal growth retardation. Considerable overlap exists between the care of individuals born small for gestational age and those with SRS. However, many specific management issues exist and evidence from controlled trials remains limited. SRS is primarily a clinical diagnosis; however, molecular testing enables confirmation of the clinical diagnosis and defines the subtype. A 'normal' result from a molecular test does not exclude the diagnosis of SRS. The management of children with SRS requires an experienced, multidisciplinary approach. Specific issues include growth failure, severe feeding difficulties, gastrointestinal problems, hypoglycaemia, body asymmetry, scoliosis, motor and speech delay and psychosocial challenges. An early emphasis on adequate nutritional status is important, with awareness that rapid postnatal weight gain might lead to subsequent increased risk of metabolic disorders. The benefits of treating patients with SRS with growth hormone include improved body composition, motor development and appetite, reduced risk of hypoglycaemia and increased height. Clinicians should be aware of possible premature adrenarche, fairly early and rapid central puberty and insulin resistance. Treatment with gonadotropin-releasing hormone analogues can delay progression of central puberty and preserve adult height potential. Long-term follow up is essential to determine the natural history and optimal management in adulthood
Psychology and aggression
Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/68264/2/10.1177_002200275900300301.pd
Effects of Red-Cell Storage Duration on Patients Undergoing Cardiac Surgery
Some observational studies have reported that transfusion of red-cell units that have been stored for more than 2 to 3 weeks is associated with serious, even fatal, adverse events. Patients undergoingcardiac surgery may be especially vulnerable to the adverse effects of transfusion
The James Webb Space Telescope Mission
Twenty-six years ago a small committee report, building on earlier studies,
expounded a compelling and poetic vision for the future of astronomy, calling
for an infrared-optimized space telescope with an aperture of at least .
With the support of their governments in the US, Europe, and Canada, 20,000
people realized that vision as the James Webb Space Telescope. A
generation of astronomers will celebrate their accomplishments for the life of
the mission, potentially as long as 20 years, and beyond. This report and the
scientific discoveries that follow are extended thank-you notes to the 20,000
team members. The telescope is working perfectly, with much better image
quality than expected. In this and accompanying papers, we give a brief
history, describe the observatory, outline its objectives and current observing
program, and discuss the inventions and people who made it possible. We cite
detailed reports on the design and the measured performance on orbit.Comment: Accepted by PASP for the special issue on The James Webb Space
Telescope Overview, 29 pages, 4 figure
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