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Now showing items 41-60 of 1531

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    The wind dancer 

    Dell, Jane (2019)
    Thus, these caterpillars also engage in behavioral crypsis. When disturbed, the caterpillar sways slowly from side to side on two prominent prolegs, mimicking a leaf wavering in the breeze. If predation shaped the natural ...
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    What lies beneath? Molecular evolution during the radiation of caecilian amphibians 

    Torres-Sanchez, Maria; Gower, David J.; Alvarez-Ponce, David; Creevey, Christopher J.; Wilkinson, Mark; San Mauro, Diego (2019)
    Evolution leaves an imprint in species through genetic change. At the molecular level, evolutionary changes can be explored by studying ratios of nucleotide substitutions. The interplay among molecular evolution, derived ...
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    Contralateral migration of oculomotor neurons is regulated by Slit/Robo signaling 

    Bjorke, Brielle; Shoja-Taheri, Farnaz; Kim, Minkyung; Robinson, G. Eric; Fontelonga, Tatiana; Kim, Kyung-Tai; Song, Mi-Ryoung; Mastick, Grant S. (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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    A neonicotinoid pesticide impairs foraging, but not learning, in free-flying bumblebees 

    Muth, F.; Leonard, A. S. (2019)
    Neonicotinoids are widely-used pesticides implicated in the decline of bees, known to have sub-lethal effects on bees' foraging and colony performance. One proposed mechanism for these negative effects is impairment to ...
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    Interaction Diversity Maintains Resiliency in a Frequently Disturbed Ecosystem 

    Dell, Jane E.; Salcido, Danielle M.; Lumpkin, Will; Richards, Lora A.; Pokswinski, Scott M.; Loudermilk, E. Louise; O'Brien, Joseph J.; Dyer, Lee A. (2019)
    Frequently disturbed ecosystems are characterized by resilience to ecological disturbances. Longleaf pine ecosystems are not only resilient to frequent fire disturbance, but this feature sustains biodiversity. We examined ...
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    Seed predation increases from the Arctic to the Equator and from high to low elevations 

    Hargreaves, A. L.; Suarez, Esteban; Mehltreter, Klaus; Myers-Smith, Isla; Vanderplank, Sula E.; Slinn, Heather L.; Vargas-Rodriguez, Yalma L.; Haeussler, Sybille; David, Santiago; Munoz, Jenny; Carlos Almazan-Nunez, R.; Loughnan, Deirdre; Benning, John W.; Moeller, David A.; Brodie, Jedediah F.; Thomas, Haydn J. D.; Morales M, P. A. (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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    Do precipitation extremes drive growth and migration timing of a Pacific salmonid fish in Mediterranean-climate streams? 

    Kelson, Suzanne J.; Carlson, Stephanie M. (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 ...
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    Independent Scientific Review under the Endangered Species Act 

    Murphy, Dennis D.; Weiland, Paul S. (2019)
    The directive from Congress in the Endangered Species Act obliging the US Fish and Wildlife Service and National Marine Fisheries Service along with other federal agencies to use the best available scientific information ...
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    Loss of Prune in Circadian Cells Decreases the Amplitude of the Circadian Locomotor Rhythm in Drosophila 

    Chen, Wenfeng; Xue, Yongbo; Scarfe, Lisa; Wang, Danfeng; Zhang, Yong (2019)
    The circadian system, which has a period of about 24 h, is import for organismal health and fitness. The molecular circadian clock consists of feedback loops involving both transcription and translation, and proper function ...
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    An Ecological Function Approach to Managing Harmful Cyanobacteria in Three Oregon Lakes: Beyond Water Quality Advisories and Total Maximum Daily Loads (TMDLs) 

    Hall, Eric S.; Hall, Robert K.; Aron, Joan L.; Swanson, Sherman; Philbin, Michael J.; Schafer, Robin J.; Jones-Lepp, Tammy; Heggem, Daniel T.; Lin, John; Wilson, Eric; Kahan, Howard (2019)
    The Oregon Department of Environmental Quality (ODEQ) uses Total Maximum Daily Load (TMDL) calculations, and the associated regulatory process, to manage harmful cyanobacterial blooms (CyanoHABs) attributable to non-point ...
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    Rates of niche and phenotype evolution lag behind diversification in a temperate radiation 

    Folk, Ryan A.; Stubbs, Rebecca L.; Mort, Mark E.; Cellinese, Nico; Allen, Julie M.; Soltis, Pamela S.; Soltis, Douglas E.; Guralnick, Robert P. (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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    Intraspecific phytochemical variation shapes community and population structure for specialist caterpillars 

    Glassmire, Andrea E.; Jeffrey, Christopher S.; Forister, Matthew L.; Parchman, Thomas L.; Nice, Chris C.; Jahner, Joshua P.; Wilson, Joseph S.; Walla, Thomas R.; Richards, Lora A.; Smilanich, Angela M.; Leonard, Michael D.; Morrison, Colin R.; Simbana, Wilmer; Salagaje, Luis A.; Dodson, Craig D.; Miller, Jim S.; Tepe, Eric J.; Villamarin-Cortez, Santiago; Dyer, Lee A. (2016)
    Chemically mediated plant-herbivore interactions contribute to the diversity of terrestrial communities and the diversification of plants and insects. While our understanding of the processes affecting community structure ...
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    Thermal Benefits From White Variegation of Silybum marianum Leaves 

    Shelef, Oren; Summerfield, Liron; Lev-Yadun, Simcha; Villamarin-Cortez, Santiago; Sadeh, Roy; Herrmann, Ittai; Rachmilevitch, Shimon (2019)
    Leaves of the spiny winter annual Silybum marianum express white patches (variegation) that can cover significant surface areas, the outcome of air spaces formed between the epidermis and the green chlorenchyma. We asked: ...
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    Elav-Mediated Exon Skipping and Alternative Polyadenylation of the Dscam1 Gene Are Required for Axon Outgrowth 

    Zhang, Zhiping; So, Kevin; Peterson, Ryan; Bauer, Matthew; Ng, Henry; Zhang, Yong; Kim, Jung Hwan; Kidd, Thomas; Miura, Pedro (2019)
    Many metazoan genes express alternative long 3' UTR isoforms in the nervous system, but their functions remain largely unclear. In Drosophila melanogaster, the Dscam1 gene generates short and long (Dscam1-L) 3' UTR isoforms ...
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    Forecasting the Impacts of Silver and Bighead Carp on the Lake Erie Food Web 

    Zhang, Hongyan; Rutherford, Edward S.; Mason, Doran M.; Breck, Jason T.; Wittmann, Marion E.; Cooke, Roger M.; Lodge, David M.; Rothlisberger, John D.; Zhu, Xinhua; Johnson, Timothy B. (2016)
    Nonindigenous bigheaded carps (Bighead Carp Hypophthalmichthys nobilis and Silver Carp H. molitrix; hereafter, "Asian carps" [AC]) threaten to invade and disrupt food webs and fisheries in the Laurentian Great Lakes through ...
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    A mast-seeding desert shrub regulates population dynamics and behavior of its heteromyid dispersers 

    Auger, Janene; Meyer, Susan E.; Jenkins, Stephen H. (2016)
    Granivorous rodent populations in deserts are primarily regulated through precipitation-driven resource pulses rather than pulses associated with mast-seeding, a pattern more common in mesic habitats. We studied heteromyid ...
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    Positive Selection and Centrality in the Yeast and Fly Protein-Protein Interaction Networks 

    Chakraborty, Sandip; Alvarez-Ponce, David (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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    High Triglycerides Are Associated with Low Thrombocyte Counts and High VEGF in Nephropathia Epidemica 

    Martynova, Ekaterina V.; Valiullina, Aygul H.; Gusev, Oleg A.; Davidyuk, Yuriy N.; Garanina, Ekaterina E.; Shakirova, Venera G.; Khaertynova, Ilsiyar; Anokhin, Vladimir A.; Rizvanov, Albert A.; Khaiboullina, Svetlana F. (2016)
    Nephropathia epidemica (NE) is a mild formof hemorrhagic fever with renal syndrome. Several reports have demonstrated a severe alteration in lipoproteinmetabolism. However, little is known about changes in circulating ...
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    The Many Dimensions of Diet Breadth: Phytochemical, Genetic, Behavioral, and Physiological Perspectives on the Interaction between a Native Herbivore and an Exotic Host 

    Harrison, Joshua G.; Gompert, Zachariah; Fordyce, James A.; Buerkle, C. Alex; Grinstead, Rachel; Jahner, Joshua P.; Mikel, Scott; Nice, Christopher C.; Santamaria, Aldrin; Forister, Matthew L. (2016)
    From the perspective of an herbivorous insect, conspecific host plants are not identical, and intraspecific variation in host nutritional quality or defensive capacity might mediate spatially variable outcomes in plant-insect ...
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    ISL1-based LIM complexes control Slit2 transcription in developing cranial motor neurons 

    Kim, Kyung-Tai; Kim, Namhee; Kim, Hwan-Ki; Lee, Hojae; Gruner, Hannah N.; Gergics, Peter; Park, Chungoo; Mastick, Grant S.; Park, Hae-Chul; Song, Mi-Ryoung (2016)
    LIM-homeodomain (HD) transcription factors form a multimeric complex and assign neuronal subtype identities, as demonstrated by the hexameric ISL1-LHX3 complex which gives rise to somatic motor (SM) neurons. However, the ...