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Browsing Biology - Faculty Research by Title
Now showing items 16-35 of 142
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Behavior Responses to Chemical and Optogenetic Stimuli in Drosophila Larvae
(2018)An animal's ability to navigate an olfactory environment is critically dependent on the activities of its first-order olfactory receptor neurons (ORNs). While considerable research has focused on ORN responses to odorants, ... -
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Benthic protists and fungi of Mediterranean deep hypsersaline anoxic basin redoxcline sediments
(2014)Some of the most extreme marine habitats known are the Mediterranean Deep Hypersaline Anoxic Basins (DHABs; water depth ~3500m). Brines of DHABs are nearly saturated with salt, leading many to suspect they are uninhabitable ... -
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Blocking Apoptotic Signaling Rescues Axon Guidance in Netrin Mutants
(3/28/2013)Summary Netrins are guidance cues that form gradients to guide growing axons. We uncover a mechanism for axon guidance by demonstrating that axons can accurately navigate in the absence of a Netrin gradient if apoptotic ... -
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Cell-Autonomous and Non-Cell-Autonomous Regulation of a Feeding State-Dependent Chemoreceptor Gene via MEF-2 and bHLH Transcription Factors
(2016)Food and feeding-state dependent changes in chemoreceptor gene expression may allow Caenorhabditis elegans to modify their chemosensory behavior, but the mechanisms essential for these expression changes remain poorly ... -
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Chance and necessity in the genome evolution of endosymbiotic bacteria of insects
(2017)An open question in evolutionary biology is how does the selection-drift balance determine the fates of biological interactions. We searched for signatures of selection and drift in genomes of five endosymbiotic bacterial ... -
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Changing interactions among persistent species as the major driver of seasonal turnover in plant-caterpillar interactions
(2018)beta diversity of herbivorous insects in the tropics is usually very high, and there is often strong dissimilarity in herbivore species composition across different spatial scales and different abiotic gradients. Similarly, ... -
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Characterizing the Diverse Mutational Pathways Associated with R5-Tropic Maraviroc Resistance: HIV-1 That Uses the Drug-Bound CCR5 Coreceptor
(2015)Entry inhibitors represent a potent class of antiretroviral drugs that target a host cell protein, CCR5, an HIV-1 entry coreceptor, and not viral protein. Lack of sensitivity can occur due to preexisting virus that uses ... -
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Chronic disease in the Mojave desert tortoise: Host physiology and recrudescence obscure patterns of pathogen transmission
(2017)A seminatural, factorial-design experiment was used to quantify dynamics of the pathogen Mycoplasma agassizii and upper respiratory tract disease in the Mojave desert tortoise (Gopherus agassizii) over 2years. Groups of ... -
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CircRNA accumulation in the aging mouse brain
(2016)Circular RNAs (circRNAs) are a newly appreciated class of RNAs expressed across diverse phyla. These enigmatic transcripts are most commonly generated by back-splicing events from exons of protein-coding genes. This results ... -
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Co-infection does not predict disease signs in Gopherus tortoises
(2017)In disease ecology, the host immune system interacts with environmental conditions and pathogen properties to affect the impact of disease on the host. Within the host, pathogens may interact to facilitate or inhibit each ... -
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Coming to Terms About Describing Golden Eagle Reproduction
(2017)Clearly defined terms are essential for reporting and understanding research findings, and inconsistent terminology can complicate efforts to compare findings from different studies. In this article, we reiterate and clarify ... -
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Composition and distribution of lice (Insecta: Phthiraptera) on Colombian and Peruvian birds: New data on louse-host association in the Neotropics
(2018)The diversity of permanent ectoparasites is likely underestimated due to the difficulty of collecting samples. Lice (Insecta: Phthiraptera) are permanent ectoparasites of birds and mammals there are approximately 5,000 ... -
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Confronting species distribution model predictions with species functional traits
(2016)Species distribution models are valuable tools in studies of biogeography, ecology, and climate change and have been used to inform conservation and ecosystem management. However, species distribution models typically ... -
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Context-Specific Comparison of Sleep Acquisition Systems in Drosophila
(11/15/2015)Skip to Next Section Sleep is conserved across phyla and can be measured through electrophysiological or behavioral characteristics. The fruit fly, Drosophila melanogaster, provides an excellent model for investigating the ... -
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Contralateral migration of oculomotor neurons is regulated by Slit/Robo signaling
(2016)Oculomotor neurons develop initially like typical motor neurons, projecting axons out of the ventral midbrain to their ipsilateral targets, the extraocular muscles. However, in all vertebrates, after the oculomotor nerve ... -
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Development and field validation of an environmental DNA (eDNA) assay for invasive clams of the genus Corbicula
(2018)Early detection is imperative for successful control or eradication of invasive species, but many organisms are difficult to detect at the low abundances characteristic of recently introduced populations. Environmental DNA ... -
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Different requirements of functional telomeres in neural stem cells and terminally differentiated neurons
(2017)Telomeres have been studied extensively in peripheral tissues, but their relevance in the nervous system remains poorly understood. Here, we examine the roles of telomeres at distinct stages of murine brain development by ... -
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Differential Contributions of Olfactory Receptor Neurons in a Drosophila Olfactory Circuit
(2016)The ability of an animal to detect, discriminate, and respond to odors depends on the functions of its olfactory receptor neurons (ORNs). The extent to which each ORN, upon activation, contributes to chemotaxis is not well ... -
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Diversity in growth patterns among strains of the lethal fungal pathogen Batrachochytrium dendrobatidis across extended thermal optima
(2017)The thermal sensitivities of organisms regulate a wide range of ecological interactions, including host-parasite dynamics. The effect of temperature on disease ecology can be remarkably complex in disease systems where the ... -
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Do precipitation extremes drive growth and migration timing of a Pacific salmonid fish in Mediterranean-climate streams?
(2019)Climate change is expected to increase weather extremes and variability, including more frequent weather whiplashes or extreme swings between severe drought and extraordinarily wet years. Shifts in precipitation patterns ...