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Articles 241 - 270 of 526
Full-Text Articles in Entire DC Network
Rapid Evolution Of Northeastern Coyotes, Javier Monzon
Rapid Evolution Of Northeastern Coyotes, Javier Monzon
Stony Brook Theses and Dissertations Collection, 2006-2020 (closed to submissions)
The potential for rapid adaptive evolution is a subject of great interest in evolutionary biology. I took a population genomics approach to study the contemporary evolution of northeastern coyotes (Canis latrans) via hybridization and ecological specialization. I genotyped 96 single nucleotide polymorphisms (SNPs) in a broad geographic sample of 427 northeastern coyotes. First, I examined the prevalence, spatial distribution, and ecology of admixture. I found that northeastern coyotes form an extensive hybrid swarm with individuals being highly admixed with wolves (C. lupus) and dogs (C. familiaris). Coyotes in areas of high deer density are genetically more wolf-like, suggesting that natural …
Stressors And Threats To The Flora Of Acadia National Park, Maine: Current Knowledge, Information Gaps, And Future Directions, Tanner B. Harris, Nishanta Rajakaruna, Sarah J. Nelson, Peter D. Vaux
Stressors And Threats To The Flora Of Acadia National Park, Maine: Current Knowledge, Information Gaps, And Future Directions, Tanner B. Harris, Nishanta Rajakaruna, Sarah J. Nelson, Peter D. Vaux
Biological Sciences
Acadia National Park is a center of plant diversity in northeastern North America. The Park's varied habitats and flora are sensitive to a number of natural and anthropogenic perturbations. Stressors such as invasive plants, pest and pathogens, ozone, acidic fog and sulfur deposition, nitrogen deposition, heavy metals, fire and fire suppression, over-browsing, visitor use, hurricanes, and climate change have all had effects on the Park's habitats and plant species at some point and it is unclear how many of these stressors are currently affecting the flora of Acadia National Park. We discuss the botanical diversity of Acadia, assess the natural …
Clarence Cook Little Papers (1888-1971), The Jackson Laboratory
Clarence Cook Little Papers (1888-1971), The Jackson Laboratory
Personal Papers Collection
No abstract provided.
Philip R. White Papers (1901-1968), The Jackson Laboratory
Philip R. White Papers (1901-1968), The Jackson Laboratory
Personal Papers Collection
No abstract provided.
A Ten-Millennia Lens: Landscape, Culture And History At Russell Cave National Monument, Jesse Randall English
A Ten-Millennia Lens: Landscape, Culture And History At Russell Cave National Monument, Jesse Randall English
Theses and Dissertations
Developed out of a need for a reliable methodology of documenting historic landscapes, the National Park Service uses Cultural Landscape Reports to determine the significance and integrity of historic landscapes. Treatment recommendations developed from an analysis of site history and existing conditions guide the management decisions of cultural landscapes. Russell Cave National Monument, located in Bridgeport, Alabama, contains one of the oldest continuous archeological records in North America. A cultural landscape report for the park had not yet been completed. This research consists of a historical narrative covering the 10,000 years of human occupation in the cave, a documentation of …
The Colby Echo (2012-04-11), Colby College
The Colby Echo (2012-04-11), Colby College
The Colby Echo
Published by the students of Colby College since 1877, The Colby Echo is the weekly, editorially independent student-run newspaper of Colby College in Waterville, Maine. Published monthly, 1877-1886; semi-monthly, 1886-1897; and weekly, during the academic year, 1898-present.
Characterization Of Aquaporin 4 Protein Expression And Localization In Tissues Of The Dogfish (Squalus Acanthias), Christopher P. Cutler, Sheena Harmon, Jonathan Walsh, Kia Burch
Characterization Of Aquaporin 4 Protein Expression And Localization In Tissues Of The Dogfish (Squalus Acanthias), Christopher P. Cutler, Sheena Harmon, Jonathan Walsh, Kia Burch
Biology: Faculty Publications
The role of aquaporin water channels such as aquaporin 4 (Aqp4) in elasmobranchs such as the dogfish Squalus acanthias is completely unknown. This investigation set out to determine the expression and cellular and sub-cellular localization of Aqp4 protein in dogfish tissues. Two polyclonal antibodies were generated (AQP4/1 and AQP4/2) and these showed somewhat different characteristics in Western blotting and immunohistochemistry. Western blots using the AQP4/1 antibody showed two bands (35.5 and 49.5 kDa) in most tissues in a similar fashion to mammals. Liver had an additional band of 57 kDa and rectal gland two further faint bands of 37.5 and …
Enhancing Thermal Tolerance By Eliminating The Pejus Range: A Comparative Study With Three Decapod Crustaceans, Jennifer A. Jost, Stephanie M. Podolski, Markus Frederich
Enhancing Thermal Tolerance By Eliminating The Pejus Range: A Comparative Study With Three Decapod Crustaceans, Jennifer A. Jost, Stephanie M. Podolski, Markus Frederich
Marine Sciences Faculty Publications
Marine invertebrates in the intertidal and subtidal zones are often exposed to highly variable environmental conditions, especially rapid changes in temperature. The ability to survive at different temperatures has previously been described using an extended version of Shelford’s law of tolerance, with optimum, pejus (Latin: ‘turning worse’), and pessimum ranges, and the respective thresholds, critical (Tc) and pejus (Tp) temperatures, that mark the transition from one range into the next. The width of the pejus range, in which the scope for activity gradually declines, varies among species. We tested the hypothesis that the width of the …
Aquaporin 4 Is A Ubiquitously Expressed Isoform In The Dogfish (Squalus Acanthias) Shark, Christopher P. Cutler, Bryce Maciver, Gordon Cramb, Mark L. Zeidel
Aquaporin 4 Is A Ubiquitously Expressed Isoform In The Dogfish (Squalus Acanthias) Shark, Christopher P. Cutler, Bryce Maciver, Gordon Cramb, Mark L. Zeidel
Biology: Faculty Publications
The dogfish ortholog of aquaporin 4 (AQP4) was amplified from cDNA using degenerate PCR followed by cloning and sequencing. The complete coding region was then obtained using 5′ and 3′ RACE techniques. Alignment of the sequence with AQP4 amino acid sequences from other species showed that dogfish AQP4 has high levels (up to 65.3%) of homology with higher vertebrate sequences but lower levels of homology to Agnathan (38.2%) or teleost (57.5%) fish sequences. Northern blotting indicated that the dogfish mRNA was approximately 3.2 kb and was highly expressed in the rectal gland (a shark fluid secretory organ). Semi-quantitative PCR further …
Community Annotation And Bioinformatics Workforce Development In Concert—Little Skate Genome Annotation Workshops And Jamborees, Qinghua Wang, Cecilia N. Arighi, Benjamin L. King, Shawn W. Polson, James Vincent, Chumching Chen, Hongzhan Huang, Brewster F. Kingham, Shallee T. Page, Marc Farnum Rendino, William Kelley Thomas, Daniel W. Udwary, Cathy H. Wu
Community Annotation And Bioinformatics Workforce Development In Concert—Little Skate Genome Annotation Workshops And Jamborees, Qinghua Wang, Cecilia N. Arighi, Benjamin L. King, Shawn W. Polson, James Vincent, Chumching Chen, Hongzhan Huang, Brewster F. Kingham, Shallee T. Page, Marc Farnum Rendino, William Kelley Thomas, Daniel W. Udwary, Cathy H. Wu
Biomedical and Pharmaceutical Sciences Faculty Publications
Recent advances in high-throughput DNA sequencing technologies have equipped biologists with a powerful new set of tools for advancing research goals. The resulting flood of sequence data has made it critically important to train the next generation of scientists to handle the inherent bioinformatic challenges. The North East Bioinformatics Collaborative (NEBC) is undertaking the genome sequencing and annotation of the little skate (Leucoraja erinacea) to promote advancement of bioinformatics infrastructure in our region, with an emphasis on practical education to create a critical mass of informatically savvy life scientists. In support of the Little Skate Genome Project, the …
Case Studies In Community Vitality And Downtown Revitalization Phase Two: Refining Measurementt Approaches And Considerations, Krissy Mailman, Kim Monaghan - Derrig, Kyra Walker
Case Studies In Community Vitality And Downtown Revitalization Phase Two: Refining Measurementt Approaches And Considerations, Krissy Mailman, Kim Monaghan - Derrig, Kyra Walker
Muskie School Capstones and Dissertations
This team reviewed the literature on community indicators, worked with the Portland team to determine qualities of good indicator systems, and then developed an extensive field interview and observation instrument. This instrument was then used to assess a variety of community attributes in case study sites. Our research expanded on the work of the case studies in community revitalization work. They considered the fiscal issues facing local governments and discuss how that may impact their current and future efforts to revitalize their community. Another element will measure the community’s level of public participation and communication. This will include ranking the …
Stressors And Threats To The Flora Of Acadia National Park, Maine: Current Knowledge, Information Gaps, And Future Directions, T B. Harris, N Rajakaruna, S J. Nelson, P D. Vaux
Stressors And Threats To The Flora Of Acadia National Park, Maine: Current Knowledge, Information Gaps, And Future Directions, T B. Harris, N Rajakaruna, S J. Nelson, P D. Vaux
Faculty Publications, Biological Sciences
Stressors and threats to the flora of Acadia National Park, Maine: Current knowledge, information gaps, and future directions. J. Torrey Bot. Soc. 139: 323–344. 2012.— Acadia National Park is a center of plant diversity in northeastern North America. The Park's varied habitats and flora are sensitive to a number of natural and anthropogenic perturbations. Stressors such as invasive plants, pest and pathogens, ozone, acidic fog and sulfur deposition, nitrogen deposition, heavy metals, fire and fire suppression, over-browsing, visitor use, hurricanes, and climate change have all had effects on the Park's habitats and plant species at some point and it is …
In Vitro Study Of The Microsporidian Parasite Loma Morhua, Using Cod-Derived Cells And Novel Culture Techniques, Michael J. Macleod
In Vitro Study Of The Microsporidian Parasite Loma Morhua, Using Cod-Derived Cells And Novel Culture Techniques, Michael J. Macleod
Theses and Dissertations (Comprehensive)
The cod populations of the Canadian Atlantic were once highly productive, generating enormous annual harvests and attracting fishing fleets from many nations. However, through the late 1980s improved fishing technology, unprecedented capture rates, and poor fishery management brought wild stocks beyond the point of collapse. Dwindling harvests in the early 1990s resulted in cod fishing moratoriums, and an end to the productivity for which the fishery was once renowned. Atlantic cod remains a popular food worldwide and the collapse of cod fisheries has done little to abate market demands. Consequently, the cod is considered a prime candidate for aquaculture production, …
Actin Polymerization Controls The Activation Of Multidrug Efflux At Fertilization By Translocation And Fine-Scale Positioning Of Abcb1 On Microvilli., Kristen E. Whalen, A Reitzel, A. Hamdoun
Actin Polymerization Controls The Activation Of Multidrug Efflux At Fertilization By Translocation And Fine-Scale Positioning Of Abcb1 On Microvilli., Kristen E. Whalen, A Reitzel, A. Hamdoun
Biology Faculty Scholarship
No abstract provided.
Cd2ap Regulates Sumoylation Of Cin85 In Podocytes, Irini Tossidou, Rainer Niedenthal, Malte Klaus, Beina Teng, Kirstin Worthmann, Benjamin King, Kevin Peterson
Cd2ap Regulates Sumoylation Of Cin85 In Podocytes, Irini Tossidou, Rainer Niedenthal, Malte Klaus, Beina Teng, Kirstin Worthmann, Benjamin King, Kevin Peterson
Dartmouth Scholarship
Podocytes are highly differentiated and polarized epithelial cells located on the visceral side of the glomerulus. They form an indispensable component of the glomerular filter, the slit diaphragm, formed by several transmembrane proteins and adaptor molecules. Disruption of the slit diaphragm can lead to massive proteinuria and nephrotic syndrome in mice and humans. CD2AP is an adaptor protein that is important for the maintenance of the slit diaphragm. Together with its paralogue, CIN85, CD2AP belongs to a family of adaptor proteins that are primarily described as being involved in endocytosis and downregulation of receptor tyrosine kinase activity. We have shown …
Morpholino Gene Knockdown In Adult Fundulus Heteroclitus: Role Of Sgk1 In Seawater Acclimation, Emily G. Notch, Joseph R. Shaw, Bonita A. Coutermarsh, Marisa Dzioba, Bruce A. Stanton
Morpholino Gene Knockdown In Adult Fundulus Heteroclitus: Role Of Sgk1 In Seawater Acclimation, Emily G. Notch, Joseph R. Shaw, Bonita A. Coutermarsh, Marisa Dzioba, Bruce A. Stanton
Dartmouth Scholarship
The Atlantic killifish (Fundulus heteroclitus) is an environmental sentinel organism used extensively for studies on environmental toxicants and salt (NaCl) homeostasis. Previous research in our laboratory has shown that rapid acclimation of killifish to seawater is mediated by trafficking of CFTR chloride channels from intracellular vesicles to the plasma membrane in the opercular membrane within the first hour in seawater, which enhances chloride secretion into seawater, thereby contributing to salt homeostasis. Acute transition to seawater is also marked by an increase in both mRNA and protein levels of serum glucocorticoid kinase 1 (SGK1) within 15 minutes of transfer. …
The Colby Echo (2011-12-07), Colby College
The Colby Echo (2011-12-07), Colby College
The Colby Echo
Published by the students of Colby College since 1877, The Colby Echo is the weekly, editorially independent student-run newspaper of Colby College in Waterville, Maine. Published monthly, 1877-1886; semi-monthly, 1886-1897; and weekly, during the academic year, 1898-present.
Sam Van Aken: New Edens, Shannon Egan
Sam Van Aken: New Edens, Shannon Egan
Schmucker Art Catalogs
Hybridized fruit trees, grafted orchids on shiny, reflective aluminum pedestals, fluorescent lights placed vertically on stands, and sheets of silver Mylar create a lush and somewhat disorienting space in contemporary artist Sam Van Aken’s most recent body of work New Edens. Van Aken makes Gettysburg College’s Schmucker Art Gallery into a kind of fantastical and futuristic winter garden. Without daylight and despite the cool fall weather of the Northeast, the dozen trees in the gallery are leafy and green, some even bearing fruit. Peach, plum, cherry, nectarine and apricot branches emerge from a single trunk and grow productively alongside their …
The Search, The Jackson Laboratory
Family Affairs Newsletter 2011-08-15, Zack Paakkonen
Family Affairs Newsletter 2011-08-15, Zack Paakkonen
Family Affairs newsletter (2004-2016)
FAMILY AFFAIRS was a free, twice-a-month, social activities newsletter for the GLBTQI (gay/lesbian/bisexual/trans/queer/intersex) community, sent out around the 1st and 15th of each month. It covered the State of Maine only. The list was begun and maintained for many years by Jean Vermette in Bangor, and later operated by Zack Paakkonen of Portland. Over the years it evolved from a social activities newsletter into a business directory, classified ad service, and community bulletin board.
Family Affairs Newsletter 2011-08-01, Zack Paakkonen
Family Affairs Newsletter 2011-08-01, Zack Paakkonen
Family Affairs newsletter (2004-2016)
FAMILY AFFAIRS was a free, twice-a-month, social activities newsletter for the GLBTQI (gay/lesbian/bisexual/trans/queer/intersex) community, sent out around the 1st and 15th of each month. It covered the State of Maine only. The list was begun and maintained for many years by Jean Vermette in Bangor, and later operated by Zack Paakkonen of Portland. Over the years it evolved from a social activities newsletter into a business directory, classified ad service, and community bulletin board.
A Preliminary Study Of The Vegetation Of Vernal Pools Of Acadia National Park, Maine, U.S.A, Brett Ciccotelli, Tanner B. Harris, Bruce Connery, Nishanta Rajakaruna
A Preliminary Study Of The Vegetation Of Vernal Pools Of Acadia National Park, Maine, U.S.A, Brett Ciccotelli, Tanner B. Harris, Bruce Connery, Nishanta Rajakaruna
Biological Sciences
We conducted a preliminary floristic study of six vernal pools in Acadia National Park on Mount Desert Island, Maine. Plant species were recorded on three sampling dates from April to October, 2008. Sixty-five vascular plant species from 26 families were recorded. Of these, 27 are considered occasional or uncommon in Acadia National Park. Thirteen species are new reports for vernal pools in the northeastern United States. This represents the first published study of the vernal pool flora of Acadia National Park.
The Search, The Jackson Laboratory
Molecular And Immunohistochemical Identification Of A Sodium Hydrogen Exchanger-2c (Nhe2c) Paralog In The Gills Of Marine Longhorn Sculpin (Myoxocephalus Octodecemspinosus), Demi Brett Rabeneck
Molecular And Immunohistochemical Identification Of A Sodium Hydrogen Exchanger-2c (Nhe2c) Paralog In The Gills Of Marine Longhorn Sculpin (Myoxocephalus Octodecemspinosus), Demi Brett Rabeneck
College of Graduate Studies: Theses & Dissertations
Sodium hydrogen exchanger proteins (NHEs) are members of the cation proton antiporter superfamily (CPA) and are thought to function in fish for maintaining physiological ion concentrations and acid-base balances by excreting excess H+ ions from the body in exchange for Na+ ions. There are many more types of these proteins in teleost fish than in mammals due to putative genome duplication. This study describes a new form of NHE2 in the gills of marine longhorn sculpin, Myoxocephalus octodecemspinosus, designated NHE2c. Sequencing revealed that the NHE2c nucleotide-coding region transcribes a peptide 795 amino acids in length with an estimated molecular weight …
University Traveler Value Of Potential Real-Time Transit Information, Ryan N. Fries, Anne E. Dunning, Mashrur A. Chowdhury
University Traveler Value Of Potential Real-Time Transit Information, Ryan N. Fries, Anne E. Dunning, Mashrur A. Chowdhury
Journal of Public Transportation
Intelligent transportation systems (ITS) have become common in public transit systems, particularly providing real-time transit information. For new implementations, it remains difficult to predict and quantify system and user benefits of technology implementation. Although previous studies have quantified the operational benefits of real-time transit traveler information systems, a gap in knowledge exists around passenger benefits of such systems. The objective of this research was to create a refined method for evaluating transit rider benefits from real-time traveler information and predict changes in traveler behavior. The study was conducted on a rural university campus, isolating the impacts of the system from …
Distribution Patterns Of River Otters, Lontra Canadensis, Within Monroe County, New York, Darren Doherty
Distribution Patterns Of River Otters, Lontra Canadensis, Within Monroe County, New York, Darren Doherty
Theses
River Otters, Lontra canadensis were reintroduced to western NY after being extirpated in the early 1900's. The goal of this project was to understand what environmental variables influence habitat selection of river otters, within Monroe County, New York. Water chemistry and the use of benthic macroinvertebrates were investigated to assess the water quality and human impacts. The research area included three tributaries of the Genesee River: Black, Honeoye, and Oatka Creeks. At identified latrine sites, I collected macroinvertebrates at 9 sites and water chemistry at 30 sites to provide an index of the water quality. Geographical Information Systems (GIS) was …
Clinical Alert; Remm (Radiation Emergency Medica Management, Vol 9 (4), Texas Medical Center Library
Clinical Alert; Remm (Radiation Emergency Medica Management, Vol 9 (4), Texas Medical Center Library
Insider Express (2003-2013)
No abstract provided.
A Preliminary Study Of The Vegetation Of Vernal Pools Of Acadia National Park, Mount Desert Island, B Ciccotelli, T B. Harris, B Connery, N Rajakaruna
A Preliminary Study Of The Vegetation Of Vernal Pools Of Acadia National Park, Mount Desert Island, B Ciccotelli, T B. Harris, B Connery, N Rajakaruna
Faculty Publications, Biological Sciences
We conducted a preliminary floristic study of six vernal pools in Acadia National Park on Mount Desert Island, Maine. Plant species were recorded on three sampling dates from April to October, 2008. Sixty-five vascular plant species from 26 families were recorded. Of these, 27 are considered occasional or uncommon in Acadia National Park. Thirteen species are new reports for vernal pools in the northeastern United States. This represents the first published study of the vernal pool flora of Acadia National Park
The Search, The Jackson Laboratory
2010 Winter Boise State University Commencement Program
2010 Winter Boise State University Commencement Program
Commencement Programs
No abstract provided.