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Articles 31 - 38 of 38
Full-Text Articles in Life Sciences
Evaluation Of Micro-Gps Receivers For Tracking Small-Bodied Mammals, Laura A. Mcmahon, Janet L. Rachlow, Lisa A. Shipley, Jennifer S. Forbey, Timothy R. Johnson, Peter J. Olsoy
Evaluation Of Micro-Gps Receivers For Tracking Small-Bodied Mammals, Laura A. Mcmahon, Janet L. Rachlow, Lisa A. Shipley, Jennifer S. Forbey, Timothy R. Johnson, Peter J. Olsoy
Biology Faculty Publications and Presentations
GPS telemetry markedly enhances the temporal and spatial resolution of animal location data, and recent advances in micro-GPS receivers permit their deployment on small mammals. One such technological advance, snapshot technology, allows for improved battery life by reducing the time to first fix via postponing recovery of satellite ephemeris (satellite location) data and processing of locations. However, no previous work has employed snapshot technology for small, terrestrial mammals. We evaluated performance of two types of micro-GPS (< 20 g) receivers (traditional and snapshot) on a small, semi-fossorial lagomorph, the pygmy rabbit (Brachylagus idahoensis), to understand how GPS errors might influence fine-scale assessments of space use and habitat selection. During stationary tests, microtopography (i.e., …
First Record Of Nestling Relocation By Adult Gyrfalcons (Falco Rusticolus) Following Nest Collapse, Bryce W. Robinson, Neil Paprocki, David L. Anderson, Marc J. Bechard
First Record Of Nestling Relocation By Adult Gyrfalcons (Falco Rusticolus) Following Nest Collapse, Bryce W. Robinson, Neil Paprocki, David L. Anderson, Marc J. Bechard
Raptor Research Center Publications and Presentations
Nest collapse has been documented in many bird species, with little discussion of adult behavior following collapse. We present evidence of a partial collapse of a Gyrfalcon (Falco rusticolus) nest during the nestling period and the subsequent adult response. A nest camera captured the nest collapse and showed one adult Gyrfalcon holding a live nestling in its beak before leaving the nest. Later, we found the surviving nestling alive in an alternate nest 5 m from the original nest, presumably transported there by the adult. We believe this is the first report of an adult Gyrfalcon moving a …
Endoplasmic Reticulum Stress And Unfolded Protein Response In Cartilage Pathophysiology; Contributing Factors To Apoptosis And Osteoarthritis, Alexandria Hughes, Alexandra E. Oxford, Ken Tawara, Cheryl L. Jorcyk, Julia Thom Oxford
Endoplasmic Reticulum Stress And Unfolded Protein Response In Cartilage Pathophysiology; Contributing Factors To Apoptosis And Osteoarthritis, Alexandria Hughes, Alexandra E. Oxford, Ken Tawara, Cheryl L. Jorcyk, Julia Thom Oxford
Biology Faculty Publications and Presentations
Chondrocytes of the growth plate undergo apoptosis during the process of endochondral ossification, as well as during the progression of osteoarthritis. Although the regulation of this process is not completely understood, alterations in the precisely orchestrated programmed cell death during development can have catastrophic results, as exemplified by several chondrodystrophies which are frequently accompanied by early onset osteoarthritis. Understanding the mechanisms that underlie chondrocyte apoptosis during endochondral ossification in the growth plate has the potential to impact the development of therapeutic applications for chondrodystrophies and associated early onset osteoarthritis. In recent years, several chondrodysplasias and collagenopathies have been recognized as …
Effects Of Delayed Nsaid Administration After Experimental Eccentric Contraction Injury – A Cellular And Proteomics Study, Laura Bond
Biology Faculty Publications and Presentations
Background
Acute muscle injuries are exceedingly common and non-steroidal anti-inflammatory drugs (NSAIDs) are widely consumed to reduce the associated inflammation, swelling and pain that peak 1–2 days post-injury. While prophylactic use or early administration of NSAIDs has been shown to delay muscle regeneration and contribute to loss of muscle strength after healing, little is known about the effects of delayed NSAID use. Further, NSAID use following non-penetrating injury has been associated with increased risk and severity of infection, including that due to group A streptococcus, though the mechanisms remain to be elucidated. The present study investigated the effects of delayed …
Telomere Estimates By Qpcr In American Kestrel Birds, Esteban Palencia, Julie A. Heath (Mentor), Eric J. Hayden (Mentor)
Telomere Estimates By Qpcr In American Kestrel Birds, Esteban Palencia, Julie A. Heath (Mentor), Eric J. Hayden (Mentor)
Idaho Conference on Undergraduate Research
Telomeres are highly conserved repeated sequences found at the ends of linear chromosomes. Measuring telomere length has been used to estimate the ages of individuals in several species. The research presented here focuses on developing telomere length estimates in the American Kestrel (Falco sparverius), using Quantitative Polymerase Chain Reaction (qPCR). The verification of a primer pair that can amplify a reference gene and serve to normalize the telomere qPCR data is vitally important. The gene for glyceraldehyde-3-phosphate dehydrogenase (GAPDH) was preferably chosen because it occurs in a single copy in most birds. However, the Kestrel genome has not …
Arsenite Resistance Of Euglena Mutabilis, Nicole Loumarinett Rosendo Mercado, Doug G. Cole (Mentor)
Arsenite Resistance Of Euglena Mutabilis, Nicole Loumarinett Rosendo Mercado, Doug G. Cole (Mentor)
Idaho Conference on Undergraduate Research
Euglena are photosynthetic unicellular protozoa. Commonly found in rivers, lakes and ponds, some Euglena are found in toxic environments, like areas of acid mine drainage where they can grow at low pH and in the presence of heavy metals and metalloids such as arsenite (e.g. Euglena mutabilis). The goal of this research is to determine if an Idaho Euglena isolate (SG6) belongs to the E. mutabilis species and to compare it’s level of arsenite resistance with other E. mutabilis strains. As part of the methodology, we have developed microtiter plate assays in which the cells are …
Earlier Nesting By Generalist Predatory Bird Is Associated With Human Responses To Climate Change, Shawn H. Smith, Karen Steenhof, Christopher J.W. Mcclure, Julie A. Heath
Earlier Nesting By Generalist Predatory Bird Is Associated With Human Responses To Climate Change, Shawn H. Smith, Karen Steenhof, Christopher J.W. Mcclure, Julie A. Heath
Biology Faculty Publications and Presentations
- Warming temperatures cause temporal changes in growing seasons and prey abundance that drive earlier breeding by birds, especially dietary specialists within homogeneous habitat. Less is known about how generalists respond to climate-associated shifts in growing seasons or prey phenology, which may occur at different rates across land cover types.
- We studied whether breeding phenology of a generalist predator, the American kestrel (Falco sparverius), was associated with shifts in growing seasons and, presumably, prey abundance, in a mosaic of non-irrigated shrub/grasslands and irrigated crops/pastures. We examined the relationship between remotely-sensed normalized difference vegetation index (NDVI) and abundance of small …
The Effect Of Nullomer-Derived Peptides 9r, 9s1r And 124r On The Nci-60 Panel And Normal Cell Lines, Abdelkrim Alileche, Greg Hampikian
The Effect Of Nullomer-Derived Peptides 9r, 9s1r And 124r On The Nci-60 Panel And Normal Cell Lines, Abdelkrim Alileche, Greg Hampikian
Biology Faculty Publications and Presentations
Background: Nullomer peptides are the smallest sequences absent from databases of natural proteins. We first began compiling a list of absent 5-amino acid strings in 2006 (1). We report here the effects of Nullomer-derived peptides 9R, 9S1R and 124R on the NCI-60 panel, derived from human cancers of 9 organs (kidney, ovary, skin melanoma, lung, brain, lung, colon, prostate and the hematopoietic system), and four normal cell lines (endothelial HUVEC, skin fibroblasts BJ, colon epithelial FHC and normal prostate RWPE-1).
Methods: NCI-60 cancer cell panel and four normal cell lines were cultured in vitro in RPMI1640 supplemented with 10% Hyclone …