| Records |
| Author |
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| Title |
Tracking the origins of Yakutian horses and the genetic basis for their fast adaptation to subarctic environments
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Type |
Journal Article |
| Year |
2015 |
Publication |
Proceedings of the National Academy of Sciences |
Abbreviated Journal |
Proc. Natl. Acad. Sci. U.S.A. |
| Volume |
112 |
Issue  |
50 |
Pages |
201513696-201513696 |
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| Abstract |
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| Programme |
1038 |
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Series Issue |
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Edition |
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| ISSN |
0027-8424 |
ISBN |
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Expedition |
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| Notes |
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Approved |
yes |
| Call Number |
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Serial |
6068 |
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| Author |
Librado P, Der Sarkissian C, Ermini L, Schubert M, Jónsson H, Albrechtsen A, Fumagalli M, Yang MA, Gamba C, Seguin-Orlando A, Mortensen CD, Petersen B, Hoover CA, Lorente-Galdos B, Nedoluzhko A, Boulygina E, Tsygankova S, Neuditschko M, Jagannathan V, Thèves C, Alfarhan AH, Alquraishi SA, Al-Rasheid KA, Sicheritz-Ponten T, Popov R, Grigoriev S, Alekseev AN, Rubin EM, McCue M, Rieder S, Leeb T, Tikhonov A, Crubézy E, Slatkin M, Marques-Bonet T, Nielsen R, Willerslev E, Kantanen J, Prokhortchouk E, Orlando L |
| Title |
Tracking the origins of Yakutian horses and the genetic basis for their fast adaptation to subarctic environments. |
Type |
Journal Article |
| Year |
2015 |
Publication |
Proceedings of the National Academy of Sciences of the United States of America |
Abbreviated Journal |
Proc. Natl. Acad. Sci. U.S.A. |
| Volume |
112 |
Issue |
50 |
Pages |
6889-97 |
| Keywords |
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| Abstract |
Yakutia, Sakha Republic, in the Siberian Far East, represents one of the coldest places on Earth, with winter record temperatures dropping below -70 °C. Nevertheless, Yakutian horses survive all year round in the open air due to striking phenotypic adaptations, including compact body conformations, extremely hairy winter coats, and acute seasonal differences in metabolic activities. The evolutionary origins of Yakutian horses and the genetic basis of their adaptations remain, however, contentious. Here, we present the complete genomes of nine present-day Yakutian horses and two ancient specimens dating from the early 19th century and ∼5,200 y ago. By comparing these genomes with the genomes of two Late Pleistocene, 27 domesticated, and three wild Przewalski's horses, we find that contemporary Yakutian horses do not descend from the native horses that populated the region until the mid-Holocene, but were most likely introduced following the migration of the Yakut people a few centuries ago. Thus, they represent one of the fastest cases of adaptation to the extreme temperatures of the Arctic. We find cis-regulatory mutations to have contributed more than nonsynonymous changes to their adaptation, likely due to the comparatively limited standing variation within gene bodies at the time the population was founded. Genes involved in hair development, body size, and metabolic and hormone signaling pathways represent an essential part of the Yakutian horse adaptive genetic toolkit. Finally, we find evidence for convergent evolution with native human populations and woolly mammoths, suggesting that only a few evolutionary strategies are compatible with survival in extremely cold environments. |
| Programme |
1038 |
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| ISSN |
0027-8424 |
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Approved |
yes |
| Call Number |
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Serial |
6319 |
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| Author |
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| Title |
Quake Catalogs from an Optical Monitoring of an Interfacial Crack Propagation
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Type |
Journal Article |
| Year |
2009 |
Publication |
Pure and Applied Geophysics |
Abbreviated Journal |
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| Volume |
166 |
Issue |
5-7 |
Pages |
777 -799 |
| Keywords |
Earth and Environmental Science, |
| Abstract |
Using an experimental setup which allows to follow optically the propagation of an interfacial crack front in a heterogeneous medium, we show that the fracture front dynamics is governed by local and irregular avalanches with large velocity fluctuations. Events defined as high velocity bursts are ranked in catalogs with analogous characteristics to seismicity catalogs: time of occurence, epicenter location and energy parameter (moment). Despite differences in the fracturing mode (opening for the experiments and shear rupture for earthquakes), in the acquisition mode and in the range of time scales, the distributions of moment and epicenter jumps in the experimental catalogs obey the same scaling laws with exponents similar to the corresponding distributions for earthquakes. The record-breaking event analysis also shows very strong similarities between experimental and real seismicity catalogs. The results suggest that the dynamics of crack propagation is controlled by the elastic interactions between microstructures within the material.
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| Programme |
133 |
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Series Issue |
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Edition |
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| ISSN |
0033-4553 |
ISBN |
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Medium |
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Conference |
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| Notes |
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Approved |
yes |
| Call Number |
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Serial |
2167 |
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| Title |
QUBIC: the Q&U Bolometric Interferometer for Cosmology |
Type |
Journal Article |
| Year |
2009 |
Publication |
JOURNAL OF LOW TEMPERATURE PHYSICS |
Abbreviated Journal |
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| Volume |
167 |
Issue |
5-6 |
Pages |
872-878 |
| Keywords |
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| Abstract |
The primordial B-mode polarisation of the Cosmic Microwave Background is the imprints of the gravitational wave background generated by inflation. Observing the B-mode is up to now the most direct way to constrain the physics of the primordial Universe, especially inflation. To detect these B-modes, high sensitivity is required as well as an exquisite control of systematics effects. To comply with these requirements, we propose a new instrument called QUBIC (Q and U Bolometric Interferometer for Cosmology) based on bolometric interferometry. The control of systematics is obtained with a close-packed interferometer while bolometers cooled to very low temperature allow for high sensitivity. We present the architecture of this new instrument, the status of the project and the self-calibration technique which allows accurate measurement of the instrumental systematic effects. |
| Programme |
915 |
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Thesis |
Bachelor's thesis |
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| ISSN |
0022-2291 |
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Approved |
yes |
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Serial |
231 |
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| Author |
Bergerat F., Angelier J. & Verrier S. |
| Title |
Tectonic stress regimes, rift extension and transform motion: the South iceland Seismic Zone. |
Type |
Journal Article |
| Year |
1999 |
Publication |
Geodinamica acta |
Abbreviated Journal |
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| Volume |
12 |
Issue |
5 |
Pages |
303-319 |
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| Programme |
316 |
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| ISSN |
0985-3111 |
ISBN |
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Approved |
yes |
| Call Number |
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Serial |
70 |
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| Author |
Van Vliet Lanoe B. |
| Title |
Pattern ground, hummocks, and holocene climate changes. |
Type |
Journal Article |
| Year |
1998 |
Publication |
Eurasian soil science |
Abbreviated Journal |
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| Volume |
31 |
Issue |
5 |
Pages |
562-569 |
| Keywords |
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316 |
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Edition |
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| ISSN |
1064-2293 |
ISBN |
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Approved |
yes |
| Call Number |
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Serial |
435 |
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| Author |
Cherel Y., Charrassin J.B. & Handrich Y. |
| Title |
Comparison of Body Reserve Buildup in Prefasting Chicks and Adults of King penguins(Aptenodytes patagonicus). |
Type |
Journal Article |
| Year |
1993 |
Publication |
Physiological zoology |
Abbreviated Journal |
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| Volume |
66 |
Issue |
5 |
Pages |
750-770 |
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137 |
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Approved |
yes |
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Serial |
521 |
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| Author |
Hureau J.C. |
| Title |
The significance of fish in the marine Antarctic ecosystems. |
Type |
Journal Article |
| Year |
1994 |
Publication |
Polar biology |
Abbreviated Journal |
Polar Biol. |
| Volume |
14 |
Issue |
5 |
Pages |
307-313 |
| Keywords |
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| Programme |
180 |
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| ISSN |
0722-4060 |
ISBN |
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Approved |
yes |
| Call Number |
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Serial |
564 |
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| Author |
Cherel Y., Mauget R., Lacroix A. & Gilles J. |
| Title |
Seasonal and fasting-related changes in circulating Gonadal Steroids and Prolactin in king Penguins, Aptenodytes patagonicus. |
Type |
Journal Article |
| Year |
1994 |
Publication |
Physiological zoology |
Abbreviated Journal |
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| Volume |
67 |
Issue |
5 |
Pages |
1154-1173 |
| Keywords |
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109 |
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Approved |
yes |
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Serial |
815 |
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| Author |
Lonhienne T., Mavromatis K., Vorgias C.E., Buchon L., Gerday C., . & Bouriotis V. |
| Title |
Cloning, sequences and characterization of two chitinass genes from the Antarctic Arthrobacter sp. strain TAD20: isolation and partial characterization of the enzymes. |
Type |
Journal Article |
| Year |
2001 |
Publication |
Journal of bacteriology |
Abbreviated Journal |
J. Bacteriol. |
| Volume |
183 |
Issue |
5 |
Pages |
1773-1779 |
| Keywords |
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193 |
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| ISSN |
0021-9193 |
ISBN |
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yes |
| Call Number |
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Serial |
986 |
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