Academic literature on the topic 'Piezophiles'

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Journal articles on the topic "Piezophiles"

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Lauro, Federico M., Roger A. Chastain, Lesley E. Blankenship, A. Aristides Yayanos, and Douglas H. Bartlett. "The Unique 16S rRNA Genes of Piezophiles Reflect both Phylogeny and Adaptation." Applied and Environmental Microbiology 73, no. 3 (2006): 838–45. http://dx.doi.org/10.1128/aem.01726-06.

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ABSTRACT In the ocean's most extreme depths, pressures of 70 to 110 megapascals prevent the growth of all but the most hyperpiezophilic (pressure-loving) organisms. The physiological adaptations required for growth under these conditions are considered to be substantial. Efforts to determine specific adaptations permitting growth at extreme pressures have thus far focused on relatively few γ-proteobacteria, in part due to the technical difficulties of obtaining piezophilic bacteria in pure culture. Here, we present the molecular phylogenies of several new piezophiles of widely differing geogra
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Ichiye, Toshiko. "Enzymes from piezophiles." Seminars in Cell & Developmental Biology 84 (December 2018): 138–46. http://dx.doi.org/10.1016/j.semcdb.2018.01.004.

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Abe, Fumiyoshi, and Koki Horikoshi. "The biotechnological potential of piezophiles." Trends in Biotechnology 19, no. 3 (2001): 102–8. http://dx.doi.org/10.1016/s0167-7799(00)01539-0.

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Fang, Jiasong, Li Zhang, and Dennis A. Bazylinski. "Deep-sea piezosphere and piezophiles: geomicrobiology and biogeochemistry." Trends in Microbiology 18, no. 9 (2010): 413–22. http://dx.doi.org/10.1016/j.tim.2010.06.006.

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Huang, Qi, Jocelyn M. Rodgers, Russell J. Hemley, and Toshiko Ichiye. "Quasiharmonic Analysis of the Energy Landscapes of Dihydrofolate Reductase from Piezophiles and Mesophiles." Journal of Physical Chemistry B 122, no. 21 (2018): 5527–33. http://dx.doi.org/10.1021/acs.jpcb.7b11838.

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Zhang, Yu, Xuegong Li, Douglas H. Bartlett, and Xiang Xiao. "Current developments in marine microbiology: high-pressure biotechnology and the genetic engineering of piezophiles." Current Opinion in Biotechnology 33 (June 2015): 157–64. http://dx.doi.org/10.1016/j.copbio.2015.02.013.

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Kato, Chiaki, and Ken Takai. "Super bugs viewed from cosmobiology. Microbial Diversity of Deep-sea Extremophiles. Piezophiles, Hyperthermophiles, and Subsurface Microorganisms." Biological Sciences in Space 14, no. 4 (2000): 341–52. http://dx.doi.org/10.2187/bss.14.341.

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Reed, Christopher J., Hunter Lewis, Eric Trejo, Vern Winston, and Caryn Evilia. "Protein Adaptations in Archaeal Extremophiles." Archaea 2013 (2013): 1–14. http://dx.doi.org/10.1155/2013/373275.

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Extremophiles, especially those in Archaea, have a myriad of adaptations that keep their cellular proteins stable and active under the extreme conditions in which they live. Rather than having one basic set of adaptations that works for all environments, Archaea have evolved separate protein features that are customized for each environment. We categorized the Archaea into three general groups to describe what is known about their protein adaptations: thermophilic, psychrophilic, and halophilic. Thermophilic proteins tend to have a prominent hydrophobic core and increased electrostatic interac
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Lucas, S., J. Han, A. Lapidus, et al. "Complete Genome Sequence of the Thermophilic, Piezophilic, Heterotrophic Bacterium Marinitoga piezophila KA3." Journal of Bacteriology 194, no. 21 (2012): 5974–75. http://dx.doi.org/10.1128/jb.01430-12.

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Nogi, Yuichi, Shoichi Hosoya, Chiaki Kato, and Koki Horikoshi. "Colwellia piezophila sp. nov., a novel piezophilic species from deep-sea sediments of the Japan Trench." International Journal of Systematic and Evolutionary Microbiology 54, no. 5 (2004): 1627–31. http://dx.doi.org/10.1099/ijs.0.03049-0.

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Two strains of obligately piezophilic bacteria were isolated from sediment collected from the bottom surface of a small canyon on the seaward slope of the Japan Trench at a depth of 6278 m. The isolated strains, Y223GT and Y251E, are closely affiliated with members of the genus Colwellia on the basis of 16S rRNA gene sequence analysis. The G+C contents of both strains were about 39 mol%. DNA–DNA hybridization values between these strains and Colwellia reference strains were significantly lower than those accepted as the phylogenetic definition of a species. The novel strains are Gram-negative,
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Dissertations / Theses on the topic "Piezophiles"

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Caivano, Antonio. "The impact of nutrients on microbial Hydrocarbon degradation at deep-sea Temperature and Hydrostatic Pressure." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020.

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Currently available physical and chemical remediation technologies are not effective in the deep sea, where ultimate fate of oil is strongly dependent on degradation by microorganisms. In order to setup an efficient bioremediation strategy, the effect of the environmental constraints on oil degrading communities’ metabolism needs to be assessed. In this work, natural surface seawater communities were incubated under different T, P and in different dilutions of the medium ONR7a. Then, after 1 day, 1 week and 3 weeks, cell number, SO4, NH4 and DIC concentration were assessed. When only one env
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Dalmasso, Cécile. "Approches physiologiques et génomiques d'une archée thermo-piézophile Thermococcus piezophilus." Thesis, Brest, 2016. http://www.theses.fr/2016BRES0107.

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Suite à la découverte récente des sources hydrothermales les plus profondes de la planète au niveau de laFosse des Caïmans, des échantillons hydrothermaux y ont été prélevés en vue de cultiver des microorganismes de ce site encore peu documenté. Des cultures d’enrichissement ont été réalisées à partir de ces échantillons en vue d’isoler de nouveaux taxons microbiens ayant des métabolismes clés des cycles biogéochimiques du soufre et du carbone ou une physiologie particulière (piézophilie). Parmi les isolats obtenus, il y avait notamment une nouvelle archée hyperthermophile anaérobie sulfo-rédu
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Birien, Tiphaine. "Génétique et génomique des microorganismes piézophiles des sources hydrothermales océaniques profondes : adaptation aux hautes pressions hydrostatiques chez l'archée piézo-hyperthermophile : Thermococcus barophilus, apport de la génétique et impact des hydrogénases." Thesis, Brest, 2018. http://www.theses.fr/2018BRES0018.

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Dans cette étude, les adaptations physiologiques aux hautes pressions hydrostatiques ont été étudiées après délétion de groupes de gènes codant pour les hydrogénases chez Thermococcus barophilus. Cette archée piézo-hyperthermophile isolée au niveau du site hydrothermal "Snakepit" à 3 550 mètres de profondeur a pour pression optimale 40 MPa ; des études trancriptomiques antérieures ont mis en évidence la sur-expression de certains gènes codants pour les hydrogénases sous des conditions de pressions sub et supra optimales (0,1 et 70 MPa). Ici, nous essayons de déterminer le rôle précis de chaque
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Chilukuri, Lakshmi N. "The effect of pressure on DNA-binding proteins from piezosensitive and piezophilic bacteria /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 1998. http://wwwlib.umi.com/cr/ucsd/fullcit?p3035908.

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Lassalle, Louise. "Bases moléculaires de l'adaptation piézophile : études structurales et biochimiques d'enzymes clés du métabolisme provenant d'archées et de bactéries isolées dans les fonds marins." Thesis, Grenoble, 2014. http://www.theses.fr/2014GRENY085/document.

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L'exploration récente des fonds marins a révélé l'existence d'une vie microbienne abyssale bien plus diverse et abondante que l'état de nos connaissances sur les limites du vivant ne le laissait penser. Ainsi on estime que plus de 60 % de la biosphère subit des conditions de pression jugées a priori défavorable au fonctionnement de la machinerie cellulaire. Ces pressions peuvent atteindre 1000 bars dans les fosses sous-marines les plus profondes. La découverte récente de Pyrococcus yayanosii CH1, premier organisme hyperthermophile et piézophile strict, a relancé la question de l'adaptation aux
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Kerman, Ian McKenzie. "Comparative analysis of piezophilic bacteria the search for adaptations to life in the deep sea /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2008. http://wwwlib.umi.com/cr/ucsd/fullcit?p1457391.

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Thesis (M.S.)--University of California, San Diego, 2008.<br>Title from first page of PDF file (viewed November 10, 2008). Available via ProQuest Digital Dissertations. Includes bibliographical references (p. 133-148).
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Amrani, Amira. "Adaptation à la pression hydrostatique chez les bactéries sulfato-réductrices piézophiles du genre Desulfovibrio." Thesis, Aix-Marseille, 2015. http://www.theses.fr/2015AIXM4059.

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Les bactéries sulfato-réductrices sont largement présentes dans les environnements marins profonds. Ces écosystèmes sont caractérisés par un paramètre physique très important, la pression hydrostatique. Afin de mieux comprendre l'adaptation des bactéries sulfatoréductrices à la pression hydrostatique, la technique RNAseq ainsi que des analyses métaboliques ont été utilisées pour étudier la réponse à différentes pressions de croissance chez deux bactéries piézophiles du genre Desulfovibrio, D. hydrothermalis et D. piezophilus. L’analyse transcriptomique révèle que le métabolisme et le transport
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Cario, Anaïs. "Adaptations à la vie sous haute pression hydrostatique chez les microorganismes piézophiles, l'exemple de Thermococcus barophilus." Thesis, Lyon, École normale supérieure, 2013. http://www.theses.fr/2013ENSL0854.

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Les environnements profonds marins ou continentaux représentent la majorité des biotopes sur Terre. Ils sont colonisés par des organismes, appelés piézophiles, adaptés aux fortes pressions hydrostatiques du milieu, conditions qui sont inhibitrices pour la croissance des organismes de surface. Dans le cadre de ce travail, j'ai cherché à élucider les spécificités de l’adaptation aux hautes pressions hydrostatiques. Pour cela, j'ai étudié un micro-organisme piézophile issu d'une source hydrothermale profonde, la souche MP de Thermococcus barophilus, dont l'optimum de croissance est de 400 fois la
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Book chapters on the topic "Piezophiles"

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Kato, Chiaki. "Barophiles (Piezophiles)." In Extremophiles in Deep-Sea Environments. Springer Japan, 1999. http://dx.doi.org/10.1007/978-4-431-67925-7_5.

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Kato, Chiaki. "Distribution of Piezophiles." In Extremophiles Handbook. Springer Japan, 2011. http://dx.doi.org/10.1007/978-4-431-53898-1_29.

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Kato, Chiaki. "Cultivation Methods for Piezophiles." In Extremophiles Handbook. Springer Japan, 2011. http://dx.doi.org/10.1007/978-4-431-53898-1_34.

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Bartlett, D. H., and K. A. Bidle. "Membrane-Based Adaptations of Deep-Sea Piezophiles." In Enigmatic Microorganisms and Life in Extreme Environments. Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-4838-2_39.

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Kato, Chiaki, Yuichi Nogi, and Shizuka Arakawa. "Isolation, Cultivation, and Diversity of Deep-Sea Piezophiles." In High-Pressure Microbiology. ASM Press, 2014. http://dx.doi.org/10.1128/9781555815646.ch12.

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Prieur, Daniel. "Piezophile." In Encyclopedia of Astrobiology. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-11274-4_151.

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Stolz, Andreas. "Piezophile." In Extremophile Mikroorganismen. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-55595-8_4.

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Prieur, Daniel. "Piezophile." In Encyclopedia of Astrobiology. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-27833-4_151-3.

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Prieur, Daniel. "Piezophile." In Encyclopedia of Astrobiology. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-44185-5_151.

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Bartlett, Douglas H., and Ian Kerman. "Contributions of Large-Scale DNA Sequencing Efforts to the Understanding of Low Temperature Piezophiles." In Extremophiles Handbook. Springer Japan, 2011. http://dx.doi.org/10.1007/978-4-431-53898-1_33.

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