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Browsing Biology - Faculty Research by Title
Now showing items 90-109 of 142
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Netrin1-DCC-Mediated Attraction Guides Post-Crossing Commissural Axons in the Hindbrain
(2015)Commissural axons grow along precise trajectories that are guided by several cues secreted from the ventral midline. After initial attraction to the floor plate using Netrin1 activation of its main attractive receptor, DCC ... -
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Nitrogen and Phosphorus Uptake Dynamics in Tropical Cerrado Woodland Streams
(2018)Pollution abatement through phosphorus and nitrogen retention is a key ecosystem service provided by streams. Human activities have been changing in-stream nutrient concentrations, thereby altering lotic ecosystem functioning, ... -
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Opening the file drawer: Unexpected insights from a chytrid infection experiment
(2018)Infection experiments are critical for understanding wildlife disease dynamics. Although infection experiments are typically designed to reduce complexity, disease outcomes still result from complex interactions between ... -
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Orienting the Interaction Compass: Resource Availability as a Major Driver of Context Dependence
(2016)Life on earth is enormously diverse, in part because each individual engages in countless interactions with its biotic and abiotic environment during its lifetime. Not only are there many such interactions, but any given ... -
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Overstory-derived surface fuels mediate plant species diversity in frequently burned longleaf pine forests
(2017)Frequently burned low-latitude coniferous forests maintain a high-diversity understory. Longleaf pine (Pinus palustris Mill.) forests and woodlands have exceptionally high diversity at fine scales and very frequent fire ... -
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Patterns of Spatial Distribution of Golden Eagles Across North America: How Do They Fit into Existing Landscape-Scale Mapping Systems?
(2017)Conserving wide-ranging animals requires knowledge about their year-round movements and resource use. Golden Eagles (Aquila chrysaetos) exhibit a wide range of movement patterns across North America. We combined tracking ... -
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Phylogenetic Distribution of CMP-Neu5Ac Hydroxylase (CMAH), the Enzyme Synthetizing the Proinflammatory Human Xenoantigen Neu5Gc
(2018)The enzyme CMP-N-acetylneuraminic acid hydroxylase (CMAH) is responsible for the synthesis of N-glycolylneuraminic acid ( Neu5Gc), a sialic acid present on the cell surface proteins of most deuterostomes. The CMAH gene is ... -
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Phytochemical diversity drives plant-insect community diversity
(2015)What are the ecological causes and consequences of variation in phytochemical diversity within and between plant taxa? Despite decades of natural products discovery by organic chemists and research by chemical ecologists, ... -
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Position Matters: Network Centrality Considerably Impacts Rates of Protein Evolution in the Human Protein-Protein Interaction Network
(2017)The proteins of any organism evolve at disparate rates. A long list of factors affecting rates of protein evolution have been identified. However, the relative importance of each factor in determining rates of protein ... -
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Positive Selection and Centrality in the Yeast and Fly Protein-Protein Interaction Networks
(3/28/2016)Proteins within a molecular network are expected to be subject to different selective pressures depending on their relative hierarchical positions. However, it is not obvious what genes within a network should be more ... -
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Protein structural disorder of the envelope V3 loop contributes to the switch in human immunodeficiency virus type 1 cell tropism
(2017)Human immunodeficiency virus type 1 (HIV-1) envelope gp120 is partly an intrinsically disordered (unstructured/disordered) protein as it contains regions that do not fold into well-defined protein structures. These disordered ... -
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Quantification of mesocosm fish and amphibian species diversity via environmental DNA metabarcoding
(2016)Freshwater fauna are particularly sensitive to environmental change and disturbance. Management agencies frequently use fish and amphibian biodiversity as indicators of ecosystem health and a way to prioritize and assess ... -
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Rates of niche and phenotype evolution lag behind diversification in a temperate radiation
(2019)Environmental change can create opportunities for increased rates of lineage diversification, but continued species accumulation has been hypothesized to lead to slowdowns via competitive exclusion and niche partitioning. ... -
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Resurrection and re-description of Plethodontohyla laevis (Boettger, 1913) and transfer of Rhombophryne alluaudi (Mocquard, 1901) to the genus Plethodontohyla (Amphibia, Microhylidae, Cophylinae)
(2018)The systematics of the cophyline microhylid frog genera Plethodontohyla and Rhombophryne have long been intertwined, and their relationships have only recently started to become clear. While Rhombophryne has received a lot ... -
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Return of a giant: DNA from archival museum samples helps to identify a unique cutthroat trout lineage formerly thought to be extinct
(2017)Currently one small, native population of the culturally and ecologically important Lahontan cutthroat trout (Oncorhynchus clarkii henshawi, LCT, Federally listed) remains in the Truckee River watershed of northwestern ... -
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Seasonal increases in fish trophic niche plasticity within a flood-pulse river ecosystem (Tonle Sap Lake, Cambodia)
(2017)Species' responses to seasonal environmental variation can influence trophic interactions and food web structure within an ecosystem. However, our ability to predict how species' interactions will vary spatially and ... -
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Seed predation increases from the Arctic to the Equator and from high to low elevations
(2019)Species interactions have long been predicted to increase in intensity toward the tropics and low elevations because of gradients in climate, productivity, or biodiversity. Despite their importance for understanding global ... -
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Shedding Light on Chemically Mediated Tri-Trophic Interactions: A H-1-NMR Network Approach to Identify Compound Structural Features and Associated Biological Activity
(2018)Diverse mixtures of plant natural products play an important role in plant-herbivore-parasitoid interactions. In the pursuit of understanding these chemically-mediated interactions, we are often faced with the challenge ... -
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Simulated tri-trophic networks reveal complex relationships between species diversity and interaction diversity
(2018)Most of earth's biodiversity is comprised of interactions among species, yet it is unclear what causes variation in interaction diversity across space and time. We define interaction diversity as the richness and relative ... -
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Skin bacterial diversity is higher on lizards than sympatric frogs in tropical Australia
(2018)Animal skin acts as a barrier between the organism and its environment and provides the first line of defense against invading pathogens. Thus, skin surfaces harbor communities of microbes that are interacting with both ...