Academic literature on the topic 'Elegans dauer'

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Journal articles on the topic "Elegans dauer"

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Ailion, Michael, and James H. Thomas. "Dauer Formation Induced by High Temperatures inCaenorhabditis elegans." Genetics 156, no. 3 (2000): 1047–67. http://dx.doi.org/10.1093/genetics/156.3.1047.

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AbstractDauer formation in Caenorhabditis elegans is regulated by several environmental stimuli, including a pheromone and temperature. Dauer formation is moderately induced as the growth temperature increases from 15° to 25°. Here we show that dauer formation is very strongly induced at a temperature of 27° in both wild-type animals and mutants such as unc-64, unc-31, and unc-3, which do not form dauers at 25°. A 27° temperature stimulus is sufficient to induce dauer formation in wild-type animals independent of pheromone. Analysis of previously described dauer mutants at 27° reveals a number
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Vowels, J. J., and J. H. Thomas. "Genetic analysis of chemosensory control of dauer formation in Caenorhabditis elegans." Genetics 130, no. 1 (1992): 105–23. http://dx.doi.org/10.1093/genetics/130.1.105.

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Abstract Dauer larva formation in Caenorhabditis elegans is controlled by chemosensory cells that respond to environmental cues. Genetic interactions among mutations in 23 genes that affect dauer larva formation were investigated. Mutations in seven genes that cause constitutive dauer formation, and mutations in 16 genes that either block dauer formation or result in the formation of abnormal dauers, were analyzed. Double mutants between dauer-constitutive and dauer-defective mutations were constructed and characterized for their capacity to form dauer larvae. Many of the genes could be interp
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Lee, James Siho, Pei-Yin Shih, Oren N. Schaedel, Porfirio Quintero-Cadena, Alicia K. Rogers, and Paul W. Sternberg. "FMRFamide-like peptides expand the behavioral repertoire of a densely connected nervous system." Proceedings of the National Academy of Sciences 114, no. 50 (2017): E10726—E10735. http://dx.doi.org/10.1073/pnas.1710374114.

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Animals, including humans, can adapt to environmental stress through phenotypic plasticity. The free-living nematode Caenorhabditis elegans can adapt to harsh environments by undergoing a whole-animal change, involving exiting reproductive development and entering the stress-resistant dauer larval stage. The dauer is a dispersal stage with dauer-specific behaviors for finding and stowing onto carrier animals, but how dauers acquire these behaviors, despite having a physically limited nervous system of 302 neurons, is poorly understood. We compared dauer and reproductive development using whole
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Chen, Jianjun, and Edward Caswell-Chen. "Why Caenorhabditis elegans adults sacrifice their bodies to progeny." Nematology 5, no. 4 (2003): 641–45. http://dx.doi.org/10.1163/156854103322683355.

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Abstract We present a novel interpretation regarding the ecology and evolution of matricidal hatching ('bagging') in Caenorhabditis elegans. Subjecting young and mature adult C. elegans to stress induced matricidal hatching. The process of egg retention followed by internal hatching under starvation was reversible, depending on whether adults were returned to food before internal juveniles caused irreversible harm to the adult. We surface sterilised adult C. elegans and then starved them to test the hypothesis that matricidal hatching promotes progeny survival by enhancing to some degree the t
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Ailion, Michael, and James H. Thomas. "Isolation and Characterization of High-Temperature-Induced Dauer Formation Mutants in Caenorhabditis elegans." Genetics 165, no. 1 (2003): 127–44. http://dx.doi.org/10.1093/genetics/165.1.127.

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Abstract Dauer formation in Caenorhabditis elegans is regulated by at least three signaling pathways, including an insulin receptor-signaling pathway. These pathways were defined by mutants that form dauers constitutively (Daf-c) at 25°. Screens for Daf-c mutants at 25° have probably been saturated, but failed to identify all the components involved in regulating dauer formation. Here we screen for Daf-c mutants at 27°, a more strongly dauer-inducing condition. Mutations identified include novel classes of alleles for three known genes and alleles defining at least seven new genes, hid-1–hid-7
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van Swinderen, Bruno, Laura B. Metz, Laynie D. Shebester, and C. Michael Crowder. "ACaenorhabditis elegansPheromone Antagonizes Volatile Anesthetic Action Through a Go-Coupled Pathway." Genetics 161, no. 1 (2002): 109–19. http://dx.doi.org/10.1093/genetics/161.1.109.

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AbstractVolatile anesthetics (VAs) disrupt nervous system function by an ill-defined mechanism with no known specific antagonists. During the course of characterizing the response of the nematode C. elegans to VAs, we discovered that a C. elegans pheromone antagonizes the VA halothane. Acute exposure to pheromone rendered wild-type C. elegans resistant to clinical concentrations of halothane, increasing the EC50 from 0.43 ± 0.03 to 0.90 ± 0.02. C. elegans mutants that disrupt the function of sensory neurons required for the action of the previously characterized dauer pheromone blocked pheromo
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Lee, Kyung Eun, Jeong Hoon Cho, and Hyun-Ok Song. "Calumenin, a Ca2+ Binding Protein, Is Required for Dauer Formation in Caenorhabditis elegans." Biology 12, no. 3 (2023): 464. http://dx.doi.org/10.3390/biology12030464.

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Caenorhabditis elegans can adapt and survive in dynamically changing environments by the smart and delicate switching of molecular plasticity. C. elegans dauer diapause is a form of phenotypic and developmental plasticity that induces reversible developmental arrest upon environmental cues. An ER (endoplasmic reticulum)-resident Ca2+ binding protein, calumenin has been reported to function in a variety of malignant diseases in vertebrates and in the process of muscle contraction–relaxation. In C. elegans, CALU-1 is known to function in Ca2+-regulated behaviors (pharyngeal pumping and defecatio
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Green, James W. M., and Simon C. Harvey. "Development of Caenorhabditis elegans dauer larvae in growing populations." Nematology 14, no. 2 (2012): 165–73. http://dx.doi.org/10.1163/138855411x584115.

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For species that rely on ephemeral resources, genotype fitness will depend on traits that affect both population growth rates and dispersal. Understanding how such traits are related is central to understanding how they may evolve. Natural populations of Caenorhabditis elegans exhibit rapid population growth within resource-rich patches of decaying organic material and subsequent dispersal, primarily as developmentally-arrested dauer larvae, between patches. The properties of growing populations of C. elegans are, however, poorly understood. Here we show that food availability, dauer pheromone
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Harvey, Simon C. "Non-dauer larval dispersal inCaenorhabditis elegans." Journal of Experimental Zoology Part B: Molecular and Developmental Evolution 312B, no. 3 (2009): 224–30. http://dx.doi.org/10.1002/jez.b.21287.

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Dulovic, Alex, Tess Renahan, Waltraud Röseler, Christian Rödelsperger, Ann M. Rose, and Adrian Streit. "Rhabditophanes diutinus a parthenogenetic clade IV nematode with dauer larvae." PLOS Pathogens 16, no. 12 (2020): e1009113. http://dx.doi.org/10.1371/journal.ppat.1009113.

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Comparative studies using non-parasitic model species such as Caenorhabditis elegans, have been very helpful in investigating the basic biology and evolution of parasitic nematodes. However, as phylogenetic distance increases, these comparisons become more difficult, particularly when outside of the nematode clade to which C. elegans belongs (V). One of the reasons C. elegans has nevertheless been used for these comparisons, is that closely related well characterized free-living species that can serve as models for parasites of interest are frequently not available. The Clade IV parasitic nema
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Dissertations / Theses on the topic "Elegans dauer"

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Kaptan, Damla. "Metabolic Transition in Caenorhabditis elegans Dauer Larva." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-223034.

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Under unfavorable environmental conditions Caenorhabditis elegans larvae enter a dauer stage which is a specialized non-feeding larval stage. In the dauer stage, worms display astonishingly low metabolism, which allows them to adapt themselves to environmental stress and to dwell without food for several months. Dauer larvae can enter into the reproductive larval stage, when environmental conditions become favorable. In this study, the metabolic transition of dauers into the reproductive larval stage is analyzed in detail: a. During the exit of dauers, several metabolic traits were examined.
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Ailion, Michael Edward. "Dauer formation at high temperatures in Caenorhabditis elegans /." Thesis, Connect to this title online; UW restricted, 2000. http://hdl.handle.net/1773/5070.

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Schackwitz, Wendy. "Genetic and neural processing of the dauer pheromone response in Caenorhabditis elegans /." Thesis, Connect to this title online; UW restricted, 1996. http://hdl.handle.net/1773/10280.

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Estevez, Annette Orene Zager. "The role of the daf-8 gene in Caenorhabditis elegans dauer larva development /." free to MU campus, to others for purchase, 1997. http://wwwlib.umi.com/cr/mo/fullcit?p9841284.

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Ludewig, Hanno Andreas. "Nuclear receptor pathways in Caenorhabditis elegans: DIN-1, a DAF-12 coregulator of dauer diapause and developmental arrest." [S.l.] : [s.n.], 2003. http://www.diss.fu-berlin.de/2003/265/index.html.

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Jensen, Victor L. "Novel components of the dauer larva developmental signaling pathway in Caenorhabditis elegans." Thesis, University of British Columbia, 2010. http://hdl.handle.net/2429/30446.

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In harsh conditions Caenorhabditis elegans arrests development to enter a nonaging, resistant diapause state called the dauer larva. Olfactory sensation modulates the TGF-β and insulin-like signaling pathways to control this developmental decision. The dauer pheromone is required for formation of dauer larvae. This thesis shows that bacterial pathogenesis is an input into dauer formation in addition to the known inputs of starvation, overcrowding and high temperature. This was first suggested by the overabundance of innate immunity genes found in a screen for novel synthetic dauer formation mu
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Xie, Meng. "AMPK-dependent regulation of lipid metabolism in the C. elegans dauer larva." Thesis, McGill University, 2014. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=123178.

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Caenorhabditis elegans can enter an alternative dormant state called "dauer" to circumvent harsh environmental conditions. During this stage they cease their reproductive developmental program and food intake, while remaining fully viable and motile. During this stage increased levels of AMP-activated kinase (AMPK) blocks the exhaustion of the cellular energy depot by directly inhibiting a critical triglyceride lipase called ATGL-1. By performing a whole genome RNAi survey for genes that, when compromised, enhance the survival of AMPK mutant dauers I revealed that catalase genes were somehow i
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Abu, Sharkh Sawsan E. "Spectroscopic & thermodynamic investigations of the physical basis of anhydrobiosis in caenorhabditis elegans dauer larvae." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-164661.

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Anhydrobiotic organisms have the remarkable ability to lose extensive amounts of body water and survive in an ametabolic, suspended animation state. Distributed to various taxa of life, these organisms have evolved strategies to efficiently protect their cell membranes and proteins against extreme water loss. At the molecular level, a variety of mutually non-exclusive mechanisms have been proposed to account particularly for preserving the integrity of the cell membranes in the desiccated state. Recently, it has been shown that the dauer larva of the nematode Caenorhabditis elegans is anhydrob
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Kaptan, Damla [Verfasser], Teymuras [Akademischer Betreuer] Kurzchalia, Christian [Gutachter] Dahmann, and Bart [Gutachter] Braeckmann. "Metabolic Transition in Caenorhabditis elegans Dauer Larva / Damla Kaptan ; Gutachter: Christian Dahmann, Bart Braeckmann ; Betreuer: Teymuras Kurzchalia." Dresden : Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2017. http://d-nb.info/1130092895/34.

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Shorto, Alison. "Life history consequences of phenotypic plasticity of dauer larva formation in the free-living nematode Caenorhabditis elegans." Thesis, University of Bristol, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.443220.

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Books on the topic "Elegans dauer"

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Tenen, Claudia. Function and tissue focus of daf-18/PTEN in maintaining blast cell multipotency and quiescence in Caenorhabditis elegans dauer larvae. [publisher not identified], 2019.

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Vintage, Deluxe. Daler Journal: The Best Vintage Retro Gift for Daler, Elegant Cover, Practical 100 Lined Timeline Pages, 6 X9 , Premium Matte Finish. Independently Published, 2021.

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Book chapters on the topic "Elegans dauer"

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Neal, Scott J., Kyuhyung Kim, and Piali Sengupta. "Quantitative Assessment of Pheromone-Induced Dauer Formation in Caenorhabditis elegans." In Pheromone Signaling. Humana Press, 2013. http://dx.doi.org/10.1007/978-1-62703-619-1_20.

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Ow, Maria C., and Sarah E. Hall. "A Method for Obtaining Large Populations of Synchronized Caenorhabditis elegans Dauer Larvae." In Methods in Molecular Biology. Humana Press, 2015. http://dx.doi.org/10.1007/978-1-4939-2842-2_15.

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Dabrowska, Magdalena, Zbigniew Zielinski, Barbara Golos, Mariusz Wranicz, and Wojciech Rode. "Enzymes of Thymidylate Biosynthesis in Trichinella Pseudospiralis Muscle Larvae and Caenorhabditis Elegans Dauer Larvae." In Chemistry and Biology of Pteridines and Folates. Springer US, 2002. http://dx.doi.org/10.1007/978-1-4615-0945-5_87.

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Lee, Jeeyong, Kwang-Youl Kim, Hyoe-Jin Joo, Heekyeong Kim, Pan-Young Jeong, and Young-Ki Paik. "Methods for Evaluating the Caenorhabditis elegans Dauer State: Standard Dauer-Formation Assay Using Synthetic Daumones and Proteomic Analysis of O-GlcNAc Modifications." In Methods in Cell Biology. Elsevier, 2011. http://dx.doi.org/10.1016/b978-0-12-544172-8.00016-5.

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Conference papers on the topic "Elegans dauer"

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Kim, Kyoohyun, Vamshidhar R. Gade, Teymuras V. Kurzchalia, and Jochen Guck. "Quantitative imaging of Caenorhabditis elegans dauer larvae during cryptobiotic transition using optical diffraction tomography." In Quantitative Phase Imaging VIII, edited by Gabriel Popescu, YongKeun Park, and Yang Liu. SPIE, 2022. http://dx.doi.org/10.1117/12.2608665.

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Salimon, S. S., E. I. Marusich, and S. V. Leonov. "THE IMPACT OF MANGIFERIN AND TRANS-CINNAMIC ACID ON THE SURVIVAL AND LIFESPAN OF WILD TYPE N2 BRISTOL AND AAK-2 CAENORHABDITIS ELEGANS MUTANT STRAINS UNDER OXIDATIVE STRESS." In XI МЕЖДУНАРОДНАЯ КОНФЕРЕНЦИЯ МОЛОДЫХ УЧЕНЫХ: БИОИНФОРМАТИКОВ, БИОТЕХНОЛОГОВ, БИОФИЗИКОВ, ВИРУСОЛОГОВ, МОЛЕКУЛЯРНЫХ БИОЛОГОВ И СПЕЦИАЛИСТОВ ФУНДАМЕНТАЛЬНОЙ МЕДИЦИНЫ. IPC NSU, 2024. https://doi.org/10.25205/978-5-4437-1691-6-290.

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Reactive oxygen (ROS) and nitrogen species (RNS) are generated during cellular metabolism. These ROS and RNS, in turn, cause oxidative damage to DNA and proteins. As a survival mechanism, these stressors modulate gene expression and various signalling pathways in Caenorhabditis elegans [1]. Furthermore, it has been demonstrated that environmental changes have an impact on lifespan and health span [2]. The ability of humans and animals to remain viable under different environmental conditions is called stress tolerance, wherein the resistance to multiple types of stress peaks during early adult
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