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Articles 601 - 630 of 729

Full-Text Articles in Biology

Sibship Reconstruction Demonstrates The Extremely Low Effective Population Size Of Striped Bass Morone Saxatilis In The Santee-Cooper System, South Carolina, Usa, Jin-Xian Liu, Bert Ely Sep 2009

Sibship Reconstruction Demonstrates The Extremely Low Effective Population Size Of Striped Bass Morone Saxatilis In The Santee-Cooper System, South Carolina, Usa, Jin-Xian Liu, Bert Ely

Faculty Publications

For organisms with great fecundity and high mortality in early life stages, such as shellfish or fishes, the need to match reproductive activity with environmental conditions conducive to spawning, fertilization, larval development and recruitment may result in extreme variance in reproductive success among individuals. The main objective of this study was to investigate evidence of large variance in the reproductive success of the striped bass Morone saxatilis in the Santee-Cooper system, South Carolina, USA. Seven microsatellite loci were analysed in 603 recruits representing three yearly cohorts from 1992 to 1994, and a group analysis was performed to identify full-sib families. …


Aintegumenta And Aintegumenta-Like6 Act Redundantly To Regulate Arabidopsis Floral Growth And Patterning, Beth A. Krizek Jun 2009

Aintegumenta And Aintegumenta-Like6 Act Redundantly To Regulate Arabidopsis Floral Growth And Patterning, Beth A. Krizek

Faculty Publications

An Arabidopsis (Arabidopsis thaliana) flower consists of four types of organs arranged in a stereotypical pattern. This complex floral structure is elaborated from a small number of floral meristem cells partitioned from the shoot apical meristem during reproductive development. The positioning of floral primordia within the periphery of the shoot apical meristem depends on transport of the phytohormone auxin with floral anlagen arising at sites of auxin maxima. An early marker of lateral organ fate is the AP2/ERF-type transcription factor AINTEGUMENTA (ANT), which has been proposed to act downstream of auxin in organogenic growth. Here, I show that …


Faculty Should Consider Peer Review As A Means Of Improving Students' Scientific Reasoning Skill, Briana Eileen Timmerman, Denise Strickland Mar 2009

Faculty Should Consider Peer Review As A Means Of Improving Students' Scientific Reasoning Skill, Briana Eileen Timmerman, Denise Strickland

Faculty Publications

The following article provides highlights of a larger body of work on the impact of peer review on undergraduate biology students’ scientific reasoning, scientific writing and attitudes. Results suggest that undergraduates, even freshman can be effective peer reviewers and that peer review improves scientific writing, content knowledge, and scientific reasoning skills. Students report peer review to be a beneficial experience both within the course and in terms of helping them to develop as aspiring scientists. Science faculty are therefore encouraged to consider incorporating peer review as a regular part of instruction.


From Cells To Coastlines: How Can We Use Physiology To Forecast The Impacts Of Climate Change?, Brian Helmuth Mar 2009

From Cells To Coastlines: How Can We Use Physiology To Forecast The Impacts Of Climate Change?, Brian Helmuth

Faculty Publications

The interdisciplinary fields of conservation physiology, macrophysiology, and mechanistic ecological forecasting have recently emerged as means of integrating detailed physiological responses to the broader questions of ecological and evolutionary responses to global climate change. Bridging the gap between large-scale records of weather and climate (as measured by remote sensing platforms, buoys and ground-based weather stations) and the physical world as experienced by organisms (niche-level measurements) requires a mechanistic understanding of how ‘environmental signals’ (parameters such as air, surface and water temperature, food availability, water flow) are translated into signals at the scale of the organism or cell (e.g. body temperature, …


The Malina Oceanographic Expedition: How Do Changes In Ice Cover, Permafrost And Uv Radiation Impact On Biodiversity And Biogeochemical Fluxes In The Arctic Ocean?, Phillippe Massicotte, Rainer Amon, David Antoine, Philippe Archambault, Sergio Balzano, Simon Bélanger, Ronald Benner, Dominique Boeuf, Annick Bricaud, Flavienne Bruyant, Gwenaëlle Chaillou, Malik Malik, Bruno Charrière, Jing Chen, Hervé Claustre, Pierre Coupel, Nicole Delsaut, David Doxaran, Et. Al. Jan 2009

The Malina Oceanographic Expedition: How Do Changes In Ice Cover, Permafrost And Uv Radiation Impact On Biodiversity And Biogeochemical Fluxes In The Arctic Ocean?, Phillippe Massicotte, Rainer Amon, David Antoine, Philippe Archambault, Sergio Balzano, Simon Bélanger, Ronald Benner, Dominique Boeuf, Annick Bricaud, Flavienne Bruyant, Gwenaëlle Chaillou, Malik Malik, Bruno Charrière, Jing Chen, Hervé Claustre, Pierre Coupel, Nicole Delsaut, David Doxaran, Et. Al.

Faculty Publications

The MALINA oceanographic campaign was conducted during summer 2009 to investigate the carbon stocks and the processes controlling the carbon fluxes in the Mackenzie River estuary and the Beaufort Sea. During the campaign, an extensive suite of physical, chemical and biological variables was measured across seven shelf–basin transects (south-north) to capture the meridional gradient between the estuary and the open ocean. Key variables such as temperature, absolute salinity, radiance, irradiance, nutrient concentrations, chlorophyll-a concentration, bacteria, phytoplankton and zooplankton abundance and taxonomy, and carbon stocks and fluxes were routinely measured onboard the Canadian research icebreaker CCGS Amundsen and from a barge …


Synthesis Of Fatty Acid Binding Protein Inhibitors: A New Approach For Diabetes Treatment, Shekelia Baccus, M. Perry Davis Jr, David R. Magnin Jan 2009

Synthesis Of Fatty Acid Binding Protein Inhibitors: A New Approach For Diabetes Treatment, Shekelia Baccus, M. Perry Davis Jr, David R. Magnin

Journal of the South Carolina Academy of Science

No abstract provided.


Generation Of A Retroviral Vector That Expresses An Anti-Hiv-1 Tat Hammerhead Ribozyme, Lindsey E. Padgett, William H. Jackson Jan 2009

Generation Of A Retroviral Vector That Expresses An Anti-Hiv-1 Tat Hammerhead Ribozyme, Lindsey E. Padgett, William H. Jackson

Journal of the South Carolina Academy of Science

No abstract provided.


Effect Of Thaw Temperature On Murine Blastocyst Development, Heather M. Barton, H. Lee Higdon Iii, Ph.D., Jennifer E. Graves-Herring M.S., William R. Boone, Ph.D. Jan 2009

Effect Of Thaw Temperature On Murine Blastocyst Development, Heather M. Barton, H. Lee Higdon Iii, Ph.D., Jennifer E. Graves-Herring M.S., William R. Boone, Ph.D.

Journal of the South Carolina Academy of Science

No abstract provided.


The Effects Of Growing Method And The Food Processing System On Bacterial Concentration In Spinach, Thad S. Moore, Lisa W. Norman Jan 2009

The Effects Of Growing Method And The Food Processing System On Bacterial Concentration In Spinach, Thad S. Moore, Lisa W. Norman

Journal of the South Carolina Academy of Science

No abstract provided.


Subcellular Localization Of Marine Bacterial Alkaline Phosphatases, H. Luo, Ronald Benner, R. A. Long, Jianjun Hu Jan 2009

Subcellular Localization Of Marine Bacterial Alkaline Phosphatases, H. Luo, Ronald Benner, R. A. Long, Jianjun Hu

Faculty Publications

Bacterial alkaline phosphatases (APases) are important enzymes in organophosphate utilization in the ocean. The subcellular localization of APases has significant ecological implications for marine biota but is largely unknown. The extensive metagenomic sequence databases from the Global Ocean Sampling Expedition provide an opportunity to address this question. A bioinformatics pipeline was developed to identify marine bacterial APases from the metagenomic databases, and a consensus classification algorithm was designed to predict their subcellular localizations. We identified 3,733 bacterial APase sequences (including PhoA, PhoD, and PhoX) and found that cytoplasmic (41%) and extracellular (30%) APases exceed their periplasmic (17%), outer membrane (12%), …


Faculty Should Consider Peer Review As A Means Of Improving Students' Scientific Reasoning Skills, Briana Timmerman, Denise Strickland Jan 2009

Faculty Should Consider Peer Review As A Means Of Improving Students' Scientific Reasoning Skills, Briana Timmerman, Denise Strickland

Journal of the South Carolina Academy of Science

No abstract provided.


Improving Diversity In Phd Programs In The Biological Sciences At Usc, Bert Ely Jan 2009

Improving Diversity In Phd Programs In The Biological Sciences At Usc, Bert Ely

Journal of the South Carolina Academy of Science

No abstract provided.


Ultrasound In Second Year Pathology Medical Education, Richard Hoppmann, Wylie E. Michell, John B. Carter, Carol Mcmahon, Patsy H. Lill, Noel A. Brownlee, Kevin A. Carnevale Jan 2009

Ultrasound In Second Year Pathology Medical Education, Richard Hoppmann, Wylie E. Michell, John B. Carter, Carol Mcmahon, Patsy H. Lill, Noel A. Brownlee, Kevin A. Carnevale

Journal of the South Carolina Academy of Science

No abstract provided.


The Integrated Biomedical Science Graduate Program At The University Of South Carolina, Richard Hunt Jan 2009

The Integrated Biomedical Science Graduate Program At The University Of South Carolina, Richard Hunt

Journal of the South Carolina Academy of Science

No abstract provided.


The Effect Of Incubation Time On The Generation Of Benzene In Sierra Mist Free, Sarah Law Jan 2009

The Effect Of Incubation Time On The Generation Of Benzene In Sierra Mist Free, Sarah Law

Journal of the South Carolina Academy of Science

No abstract provided.


Downregulation Of Hiv-1 Vif By A Hammerhead Ribozyme Expressed From A Retroviral Vector, Audrey M. Hendley, William Jackson Jan 2009

Downregulation Of Hiv-1 Vif By A Hammerhead Ribozyme Expressed From A Retroviral Vector, Audrey M. Hendley, William Jackson

Journal of the South Carolina Academy of Science

No abstract provided.


Temperature Changes Resulting From A Gaalas Laser In The Decontamination Of A Failing Dental Implant, Adam B. Oppenheimer Jan 2009

Temperature Changes Resulting From A Gaalas Laser In The Decontamination Of A Failing Dental Implant, Adam B. Oppenheimer

Journal of the South Carolina Academy of Science

No abstract provided.


Where Do Mouse Embryos Thrive Best? Comparison Of Mammalian Embryo Development Under Varying Laboratory Environments, Yvonne K. Kao, H. Lee Higdon Iii, Ph.D, Jennifer E. Graves-Herring , M.S., William R. Boone Ph.D Jan 2009

Where Do Mouse Embryos Thrive Best? Comparison Of Mammalian Embryo Development Under Varying Laboratory Environments, Yvonne K. Kao, H. Lee Higdon Iii, Ph.D, Jennifer E. Graves-Herring , M.S., William R. Boone Ph.D

Journal of the South Carolina Academy of Science

No abstract provided.


Lis1 And Ndel1 Influence The Timing Of Nuclear Envelope Breakdown In Neural Stem Cells, Sachin Hebbar, Mariano T. Mesngon, Aimee M. Guillotte, Bhavim Desai, Ramses Ayala, Deanna S. Smith Sep 2008

Lis1 And Ndel1 Influence The Timing Of Nuclear Envelope Breakdown In Neural Stem Cells, Sachin Hebbar, Mariano T. Mesngon, Aimee M. Guillotte, Bhavim Desai, Ramses Ayala, Deanna S. Smith

Faculty Publications

Lis1 and Ndel1 are essential for animal development. They interact directly with one another and with cytoplasmic dynein. The developing brain is especially sensitive to reduced Lis1 or Ndel1 levels, as both proteins influence spindle orientation, neural cell fate decisions, and neuronal migration. We report here that Lis1 and Ndel1 reduction in a mitotic cell line impairs prophase nuclear envelope (NE) invagination (PNEI). This dyneindependent process facilitates NE breakdown (NEBD) and occurs before the establishment of the bipolar spindle. Ndel1 phosphorylation is important for this function, regulating binding to both Lis1 and dynein. Prophase cells in the ventricular zone (VZ) …


Peer Review In An Undergraduate Biology Curriculum: Effects On Students’ Scientific Reasoning, Writing And Attitudes, Briana Eileen Timmerman Mar 2008

Peer Review In An Undergraduate Biology Curriculum: Effects On Students’ Scientific Reasoning, Writing And Attitudes, Briana Eileen Timmerman

Faculty Publications

Scientific reasoning and writing skills are ubiquitous processes in science and therefore common goals of science curricula, particularly in higher education. Providing the individualized feedback necessary for the development of these skills is often costly in terms of faculty time, particularly in large science courses common at research universities. Past educational research literature suggests that the use of peer review may accelerate students’ scientific reasoning skills without a concurrent demand on faculty time per student. Peer review contains many elements of effective pedagogy such as peer-peer collaboration, repeated practice at evaluation and critical thinking, formative feedback, multiple contrasting examples, and …


A Call For A Statewide Bioinformatics Institute, John R. Rose Jan 2008

A Call For A Statewide Bioinformatics Institute, John R. Rose

Journal of the South Carolina Academy of Science

No abstract provided.


With The Help Of South Carolina Research Universities, Scra Demonstrates Leadership In Applied Research And Commercialization Within Sc, Bill Mahoney Jan 2008

With The Help Of South Carolina Research Universities, Scra Demonstrates Leadership In Applied Research And Commercialization Within Sc, Bill Mahoney

Journal of the South Carolina Academy of Science

No abstract provided.


Sc Inbre: A Catalyst For Biomedical Research Development In South Carolina, Lucia A. Pirisi-Creek M.D, Scott Little, Ph.D. Jan 2008

Sc Inbre: A Catalyst For Biomedical Research Development In South Carolina, Lucia A. Pirisi-Creek M.D, Scott Little, Ph.D.

Journal of the South Carolina Academy of Science

No abstract provided.


Thermoelectric Applications For Imaging Infrared Focal Plane Arrays, Roy T. Littleton Jan 2008

Thermoelectric Applications For Imaging Infrared Focal Plane Arrays, Roy T. Littleton

Journal of the South Carolina Academy of Science

No abstract provided.


Editorial, First Science And Policy Issue, Jscas Jan 2008

Editorial, First Science And Policy Issue, Jscas

Journal of the South Carolina Academy of Science

No abstract provided.


Inflammation: The Key To Health And Disease, Prakash Nagarkatti Ph. D, Donald J. Dipette M. D. Jan 2008

Inflammation: The Key To Health And Disease, Prakash Nagarkatti Ph. D, Donald J. Dipette M. D.

Journal of the South Carolina Academy of Science

No abstract provided.


Solution Chemical Synthesis Of Nanostructured Thermoelectric Materials, Xiaohua Ji, Terry M. Tritt, Xinbing Zhao, Joe W. Kolis Jan 2008

Solution Chemical Synthesis Of Nanostructured Thermoelectric Materials, Xiaohua Ji, Terry M. Tritt, Xinbing Zhao, Joe W. Kolis

Journal of the South Carolina Academy of Science

No abstract provided.


Phonon Scattering Effects On Thermal Conductivity Of Tinisn-Based Half-Heusler Alloys, S. Bhattacharya, T. M. Tritt, M. J. Skove, M. Russell, S. J. Poon, V. Ponnambalam, Y. Xia, N. Thadhani Jan 2008

Phonon Scattering Effects On Thermal Conductivity Of Tinisn-Based Half-Heusler Alloys, S. Bhattacharya, T. M. Tritt, M. J. Skove, M. Russell, S. J. Poon, V. Ponnambalam, Y. Xia, N. Thadhani

Journal of the South Carolina Academy of Science

No abstract provided.


Development Of New Simple Sequence Repeat Markers For Pearl Millet, O. P. Yadav, S. E. Mitchell, A. Zamora, Theresa M. Fulton, Stephen Kresovich Dec 2007

Development Of New Simple Sequence Repeat Markers For Pearl Millet, O. P. Yadav, S. E. Mitchell, A. Zamora, Theresa M. Fulton, Stephen Kresovich

Faculty Publications

No abstract provided.


Species Invasion Shifts The Importance Of Predator Dependence, Blaine D. Griffen, David G. Delaney Dec 2007

Species Invasion Shifts The Importance Of Predator Dependence, Blaine D. Griffen, David G. Delaney

Faculty Publications

The strength of interference between foraging individuals can influence per capita consumption rates, with important consequences for predator and prey populations and system stability. Here we demonstrate how the replacement of a previously established invader, the predatory crab Carcinus maenas, by the recently invading predatory crab Hemigrapsus sanguineus shifts predation from a species that experiences strong predator interference (strong predator dependence) to one that experiences weak predator interference (weak predator dependence). We demonstrate using field experiments that differences in the strength of predator dependence persist for these species both when they forage on a single focal prey species only (the …