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Author |
Greenwald R., Ruohoniemi J.M., Baker K.B., Britow W.A., Sofko G.J., Villain J.P., Lester M. & Slavin J. |
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Title |
Convective response to a transient increase in dayside reconnection. |
Type |
Journal Article |
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Year |
1999 |
Publication |
Journal of geophysical research-atmospheres |
Abbreviated Journal |
J. Geophys. Res. |
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Volume |
104 |
Issue |
a5 |
Pages |
10007-10015 |
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Programme |
312 |
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Thesis |
Bachelor's thesis |
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ISSN |
0148-0227 |
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yes |
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Serial |
1001 |
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Author |
Talbot, D.A.; Duchamp, C.; Rey, B.; Hanuise, N.; Rouanet, J.L.; Sibille, B.; Brand, M.D. |
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Title |
Uncoupling protein and ATP/ADP carrier increase mitochondrial proton conductance after cold adaptation of king penguins |
Type |
Journal Article |
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Year |
2004 |
Publication |
Journal of physiology-london |
Abbreviated Journal |
J. Physiol. (Lond.) |
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Volume |
558 |
Issue |
1 |
Pages |
123-135 |
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Abstract |
Juvenile king penguins develop adaptive thermogenesis after repeated immersion in cold water. However, the mechanisms of such metabolic adaptation in birds are unknown, as they lack brown adipose tissue and uncoupling protein-1 (UCP1), which mediate adaptive non-shivering thermogenesis in mammals. We used three different groups of juvenile king penguins to investigate the mitochondrial basis of avian adaptive thermogenesis . Skeletal muscle mitochondria isolated from penguins that had never been immersed in cold water showed no superoxide-stimulated proton conductance, indicating no functional avian UCP. Skeletal muscle mitochondria from penguins that had been either experimentally immersed or naturally adapted to cold water did possess functional avian UCP, demonstrated by a superoxide-stimulated, GDP-inhibitable proton conductance across their inner membrane. This was associated with a markedly greater abundance of avian UCP mRNA. In the presence (but not the absence) of fatty acids, these mitochondria also showed a greater adenine nucleotide translocase-catalysed proton conductance than those from never-immersed penguins. This was due to an increase in the amount of adenine nucleotide translocase. Therefore, adaptive thermogenesis in juvenile king penguins is linked to two separate mechanisms of uncoupling of oxidative phosphorylation in skeletal muscle mitochondria: increased proton transport activity of avian UCP (dependent on superoxide and inhibited by GDP) and increased proton transport activity of the adenine nucleotide translocase (dependent on fatty acids and inhibited by carboxyatractylate). |
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131 |
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0022-3751 |
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Notes |
10.1113/jphysiol.2004.063768 |
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yes |
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Call Number |
IPEV @ Thierry.Lemaire @ |
Serial |
5614 |
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Author |
Verheyden C. & Jouventin P. |
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Title |
Olfactory behavior of foraging procellariforms. |
Type |
Journal Article |
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Year |
1994 |
Publication |
Auk |
Abbreviated Journal |
Auk |
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Volume |
111 |
Issue |
2 |
Pages |
285-291 |
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Programme |
109 |
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ISSN |
0004-8038 |
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yes |
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Serial |
1005 |
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Author |
Skora S. |
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Title |
Les Manchots antarctiques: Une adaptation remarquable au milieu polaire. Contribution à l'étude de la thermorégulation chez le. |
Type |
Thesis |
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Year |
1994 |
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Abstract |
Thèse présentée pour l'obtention du grade légal de Docteur en Sciences Géologiqu |
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Programme |
131 |
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yes |
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Call Number |
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Serial |
1013 |
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Author |
Gregoire M., Cottin J.Y., Nicollet C., Weis D. & Giret A. |
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Title |
The Kerguelen Archipelago: A Hypothetic Continental Mafic Protolith. |
Type |
Journal Article |
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Year |
1995 |
Publication |
Terra antarctica |
Abbreviated Journal |
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Volume |
2 |
Issue |
1 |
Pages |
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Abstract |
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Programme |
251 |
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Thesis |
Bachelor's thesis |
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ISSN |
1122-8628 |
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Approved |
yes |
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Call Number |
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Serial |
1015 |
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Author |
Lefauconnier B., Hagen J.O., Orbaek J.B., Melvold K. & Isaksson E. |
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Title |
Glacier balance trends in the Kongsjorden area, western Spitsberg, Svalbard, in relation to the climate. |
Type |
Journal Article |
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Year |
1999 |
Publication |
Polar research |
Abbreviated Journal |
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Volume |
18 |
Issue |
2 |
Pages |
307-313 |
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Programme |
265 |
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ISSN |
0800-0395 |
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yes |
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Call Number |
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Serial |
1017 |
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Author |
Chapuis J.L. & Bousses P. |
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Title |
Des moutons, des mouflons et des rennes dans l' archipel des Kerguelen. |
Type |
Journal Article |
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Year |
1992 |
Publication |
Le courrier de la nature |
Abbreviated Journal |
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Volume |
135 |
Issue |
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Pages |
29-35 |
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Programme |
276 |
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Thesis |
Bachelor's thesis |
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ISSN |
0011-0477 |
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Approved |
yes |
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Call Number |
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Serial |
1018 |
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Author |
Camps P., Henry B., Prevot M. & Perrin M. |
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Title |
Paleomagnetic investigations in Kerguelen Islands. |
Type |
Conference - International - Article without Reading Comitee |
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Year |
1998 |
Publication |
Progress in Kerguelen Islands Geology |
Abbreviated Journal |
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Volume |
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Issue |
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Pages |
1 |
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Abstract |
Workshop 'Progress in Kerguelen Islands Geology |
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Programme |
251 |
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yes |
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Call Number |
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Serial |
1019 |
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Author |
Molines J.M., Le Provost C., Lyard F., Ray R.D., Shum C.K. & Eanes R.J. |
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Title |
Tidal corrections in the TOPEX/POSEIDON geophysical data records. |
Type |
Journal Article |
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Year |
1994 |
Publication |
Journal of geophysical research-atmospheres |
Abbreviated Journal |
J. Geophys. Res. |
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Volume |
99 |
Issue |
c12 |
Pages |
24749-24760 |
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Abstract |
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Programme |
688 |
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ISSN |
0148-0227 |
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yes |
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Serial |
1021 |
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Author |
Arnaud L., Barnola J.M. & Duval P. |
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Title |
Physical modeling of the densification of snow/firn and ice in the upper part of polar ice sheets. |
Type |
Book Chapter |
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Year |
2000 |
Publication |
Physics of Ice Core Records |
Abbreviated Journal |
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Volume |
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Issue |
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Pages |
285-305 |
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Programme |
159 |
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yes |
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Call Number |
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Serial |
1023 |
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