Index Catalog // ScholarsArchive@OSU

Myosin-Powered Membrane Compartment Drives Cytoplasmic Streaming, Cell Expansion and Plant Development

Creator:: Peremyslov, Valera V., Cole, Rex A., Fowler, John E., and Dolja, Valerian V.
Abstract:: Using genetic approaches, particle image velocimetry and an inert tracer of cytoplasmic streaming, we have made a mechanistic connection between the motor proteins (myosins XI), cargo transported by these motors (distinct endomembrane compartment defined by membrane-anchored MyoB receptors) and the process of cytoplasmic streaming in plant cells. It is shown...
Resource Type:: Article
Full Text:: Expansion and Plant Development Valera V. Peremyslov, Rex A. Cole, John E. Fowler, Valerian V. Dolja

Drunken Walking: A Novel Brownian Dynamics Simulation for the Mechanochemical Cycle of the Dynein Motor Protein

Creator:: Waczak, John L.
Abstract:: The dynein molecule is a peculiar motor protein recognized for its unique stepping behavior. Sometimes it steps forwards. Other times it steps backwards. It has even been observed to occasionally shuffle by beginning a step with the same domain many times in row. These motions make dynein an interesting object...
Resource Type:: Undergraduate Thesis
Full Text:: the Mechanochemical Cycle of the Dynein Motor Protein by John Waczak an undergraduate thesis

Dissecting a Hidden Gene Duplication: The Arabidopsis thaliana SEC10 Locus

Creator:: Vukašinović, Nemanja, Cvrčková, Fatima, Eliáš, Marek, Cole, Rex A., Fowler, John E., Žárský, Viktor, and Synek, Lukáš
Abstract:: Repetitive sequences present a challenge for genome sequence assembly, and highly similar segmental duplications may disappear from assembled genome sequences. Having found a surprising lack of observable phenotypic deviations and non-Mendelian segregation in Arabidopsis thaliana mutants in SEC10, a gene encoding a core subunit of the exocyst tethering complex, we...
Resource Type:: Article

Public lands and private waters: scarce mesic resources structure land tenure and sage-grouse distributions

Creator:: Donnelly, J. P., Naugle, D. E., Hagen, C. A., and Maestas, J. D.
Abstract:: Water scarcity in semiarid environments provides a model system to evaluate the role of mesic resources in structuring the distribution and abundance of wildlife. We used remote sensing and point process analyses to evaluate spatio–temporal variability in limited mesic resources in relation to greater sage-grouse (Centrocercus urophasianus) distributions in Oregon,...
Resource Type:: Article
Full Text:: . Donnelly,1,† D. E. Naugle,2 C. A. Hagen,3 and J. D. Maestas4 1Intermountain West Joint Venture, United

Carbon stocks and accumulation rates in Pacific Northwest forests: role of stand age, plant community, and productivity

Creator:: Gray, Andrew N., Whittier, Thomas R., and Harmon, Mark E.
Abstract:: Forest ecosystems are removing significant amounts of carbon from the atmosphere. Both abiotic resource availability and biotic interactions during forest succession affect C accumulation rates and maximum C stocks. However, the timing and controls on the peak and decline in C accumulation rates as stands age, trees increase in size,...
Resource Type:: Article

Contrasting demographic history and gene flow patterns of two mangrove species on either side of the Central American Isthmus

Creator:: Cerón‐Souza, Ivania, Gonzalez, Elena G., and Schwarzbach, Andrea E.
Abstract:: Comparative phylogeography offers a unique opportunity to understand the interplay between past environmental events and life-history traits on diversification of unrelated but co-distributed species. Here, we examined the effects of the quaternary climate fluctuations and palaeomarine currents and present-day marine currents on the extant patterns of genetic diversity in the...
Resource Type:: Article

The conservation genetics juggling act: integrating genetics and ecology, science and policy

Creator:: Haig, Susan M., Miller, Mark. P., Bellinger, Renee, Draheim, Hope M., Mercer, Dacey M., and Mullins, Thomas D.
Abstract:: The field of conservation genetics, when properly implemented, is a constant juggling act integrating molecular genetics, ecology, and demography with applied aspects concerning managing declining species or implementing conservation laws and policies. This young field has grown substantially since the 1980s following the development of polymerase chain reaction and now...
Resource Type:: Article
Full Text:: Jefferson Way, Corvallis, OR 97331, USA. Tel.: +1-541-7500981; fax: +1-541-7501069; e-mail: susan_haig

American pika in a low-elevation lava landscape: expanding the known distribution of a temperature-sensitive species

Creator:: Shinderman, Matt
Abstract:: In 2010, the American pika (Ochotona princeps fenisex) was denied federal protection based on limited evidence of persistence in low-elevation environments. Studies in nonalpine areas have been limited to relatively few environments, and it is unclear whether patterns observed elsewhere (e.g., Bodie, CA) represent other nonalpine habitats. This study was...
Resource Type:: Article
Full Text:: John Wiley & Sons Ltd. Version of Record http://cdss.library.oregonstate.edu/sa-termsofuse

American pika in a low-elevation lava landscape: expanding the known distribution of a temperature-sensitive species

Creator:: Shinderman, Matt
Abstract:: In 2010, the American pika (Ochotona princeps fenisex) was denied federal protection based on limited evidence of persistence in low-elevation environments. Studies in nonalpine areas have been limited to relatively few environments, and it is unclear whether patterns observed elsewhere (e.g., Bodie, CA) represent other nonalpine habitats. This study was...
Resource Type:: Article
Full Text:: John Wiley & Sons Ltd. Version of Record http://cdss.library.oregonstate.edu/sa-termsofuse

Empathy-Induced Distress: A Psychophysiological Approach

Creator:: Karabinas, Isabella M.
Abstract:: Empathy is considered a significant motivator of prosocial behavior. Increasing evidence suggests that feelings of personal distress associated with empathy may be stronger or weaker according to the form of perspective taking that an empathizer utilizes. The aim of the present study was to further quantify the stress consequences and...
Resource Type:: Honors College Thesis
Full Text:: :_____________________________________________________ John Edwards ABSTRACT Empathy is considered a significant motivator of prosocial behavior

ScholarsArchive@OSU

Myosin-Powered Membrane Compartment Drives Cytoplasmic Streaming, Cell Expansion and Plant Development

Drunken Walking: A Novel Brownian Dynamics Simulation for the Mechanochemical Cycle of the Dynein Motor Protein

Dissecting a Hidden Gene Duplication: The Arabidopsis thaliana SEC10 Locus

Public lands and private waters: scarce mesic resources structure land tenure and sage-grouse distributions

Carbon stocks and accumulation rates in Pacific Northwest forests: role of stand age, plant community, and productivity

Contrasting demographic history and gene flow patterns of two mangrove species on either side of the Central American Isthmus

The conservation genetics juggling act: integrating genetics and ecology, science and policy

American pika in a low-elevation lava landscape: expanding the known distribution of a temperature-sensitive species

American pika in a low-elevation lava landscape: expanding the known distribution of a temperature-sensitive species

Empathy-Induced Distress: A Psychophysiological Approach

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