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  • 1
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2001-06-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cooper, A -- Rambaut, A -- Macaulay, V -- Willerslev, E -- Hansen, A J -- Stringer, C -- New York, N.Y. -- Science. 2001 Jun 1;292(5522):1655-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11388352" target="_blank"〉PubMed〈/a〉
    Keywords: Africa ; Animals ; Australia ; Base Sequence ; Biological Evolution ; DNA Damage ; DNA, Mitochondrial/*genetics ; Hominidae/*genetics ; Humans ; *Paleontology ; *Phylogeny ; Specimen Handling
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
    Publication Date: 2009-09-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rockstrom, Johan -- Steffen, Will -- Noone, Kevin -- Persson, Asa -- Chapin, F Stuart 3rd -- Lambin, Eric F -- Lenton, Timothy M -- Scheffer, Marten -- Folke, Carl -- Schellnhuber, Hans Joachim -- Nykvist, Bjorn -- de Wit, Cynthia A -- Hughes, Terry -- van der Leeuw, Sander -- Rodhe, Henning -- Sorlin, Sverker -- Snyder, Peter K -- Costanza, Robert -- Svedin, Uno -- Falkenmark, Malin -- Karlberg, Louise -- Corell, Robert W -- Fabry, Victoria J -- Hansen, James -- Walker, Brian -- Liverman, Diana -- Richardson, Katherine -- Crutzen, Paul -- Foley, Jonathan A -- England -- Nature. 2009 Sep 24;461(7263):472-5. doi: 10.1038/461472a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Stockholm Resilience Centre, Stockholm University, Kraftriket 2B, 10691 Stockholm, Sweden.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19779433" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; Civilization ; Conservation of Natural Resources/*methods/trends ; *Earth (Planet) ; Ecology/*methods/*trends ; *Ecosystem ; Extinction, Biological ; Fossils ; Green Chemistry Technology/*methods/trends ; Greenhouse Effect ; History, 20th Century ; History, 21st Century ; History, Ancient ; *Human Activities/history ; Humans ; Nitrogen/metabolism ; Phosphorus/metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 3
    Publication Date: 1990-02-02
    Description: 2,3-Dihydroxy-6-nitro-7-sulfamoyl-benzo(F)quinoxaline (NBQX) is an analog of the quinoxalinedione antagonists to the non-N-methyl-D-aspartate (non-NMDA) glutamate receptor. NBQX is a potent and selective inhibitor of binding to the quisqualate subtype of the glutamate receptor, with no activity at the NMDA and glycine sites. NBQX protects against global ischemia, even when administered 2 hours after an ischemic challenge.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sheardown, M J -- Nielsen, E O -- Hansen, A J -- Jacobsen, P -- Honore, T -- New York, N.Y. -- Science. 1990 Feb 2;247(4942):571-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉A/S Ferrosan, CNS Division, Soeborg, Denmark.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2154034" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aspartic Acid/analogs & derivatives/pharmacology ; Brain Ischemia/*drug therapy ; Cerebral Cortex/drug effects/*physiology ; Hippocampus/drug effects/*physiology/physiopathology ; Ibotenic Acid/analogs & derivatives/pharmacology ; In Vitro Techniques ; Kainic Acid/pharmacology ; N-Methylaspartate ; Neurons/drug effects/physiology ; Oxadiazoles/pharmacology ; Pyramidal Tracts/drug effects/*physiology/physiopathology ; Quinoxalines/metabolism/pharmacology/*therapeutic use ; Quisqualic Acid ; Rats ; Receptors, Glutamate ; Receptors, Kainic Acid ; Receptors, Neurotransmitter/drug effects/metabolism ; alpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic Acid
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
    Publication Date: 2003-04-19
    Description: Genetic analyses of permafrost and temperate sediments reveal that plant and animal DNA may be preserved for long periods, even in the absence of obvious macrofossils. In Siberia, five permafrost cores ranging from 400,000 to 10,000 years old contained at least 19 different plant taxa, including the oldest authenticated ancient DNA sequences known, and megafaunal sequences including mammoth, bison, and horse. The genetic data record a number of dramatic changes in the taxonomic diversity and composition of Beringian vegetation and fauna. Temperate cave sediments in New Zealand also yielded DNA sequences of extinct biota, including two species of ratite moa, and 29 plant taxa characteristic of the prehuman environment. Therefore, many sedimentary deposits may contain unique, and widespread, genetic records of paleoenvironments.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Willerslev, Eske -- Hansen, Anders J -- Binladen, Jonas -- Brand, Tina B -- Gilbert, M Thomas P -- Shapiro, Beth -- Bunce, Michael -- Wiuf, Carsten -- Gilichinsky, David A -- Cooper, Alan -- New York, N.Y. -- Science. 2003 May 2;300(5620):791-5. Epub 2003 Apr 17.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Evolutionary Biology, Zoological Institute, University of Copenhagen, Universitetsparken 15, Denmark DK-2100 O.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12702808" target="_blank"〉PubMed〈/a〉
    Keywords: Angiosperms/classification/genetics ; Animals ; Base Sequence ; Bryopsida/classification/genetics ; Cloning, Molecular ; DNA/*analysis/genetics ; DNA, Chloroplast/analysis ; DNA, Mitochondrial/analysis/genetics ; DNA, Plant/*analysis/genetics ; Ecosystem ; Fossils ; *Geologic Sediments ; Gymnosperms/classification/genetics ; History, Ancient ; Mammals/classification/genetics ; New Zealand ; Phylogeny ; *Plants/classification ; Polymerase Chain Reaction ; Siberia ; *Soil ; *Vertebrates/classification/genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
    Publication Date: 2004-11-30
    Description: The widespread extinctions of large mammals at the end of the Pleistocene epoch have often been attributed to the depredations of humans; here we present genetic evidence that questions this assumption. We used ancient DNA and Bayesian techniques to reconstruct a detailed genetic history of bison throughout the late Pleistocene and Holocene epochs. Our analyses depict a large diverse population living throughout Beringia until around 37,000 years before the present, when the population's genetic diversity began to decline dramatically. The timing of this decline correlates with environmental changes associated with the onset of the last glacial cycle, whereas archaeological evidence does not support the presence of large populations of humans in Eastern Beringia until more than 15,000 years later.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shapiro, Beth -- Drummond, Alexei J -- Rambaut, Andrew -- Wilson, Michael C -- Matheus, Paul E -- Sher, Andrei V -- Pybus, Oliver G -- Gilbert, M Thomas P -- Barnes, Ian -- Binladen, Jonas -- Willerslev, Eske -- Hansen, Anders J -- Baryshnikov, Gennady F -- Burns, James A -- Davydov, Sergei -- Driver, Jonathan C -- Froese, Duane G -- Harington, C Richard -- Keddie, Grant -- Kosintsev, Pavel -- Kunz, Michael L -- Martin, Larry D -- Stephenson, Robert O -- Storer, John -- Tedford, Richard -- Zimov, Sergei -- Cooper, Alan -- New York, N.Y. -- Science. 2004 Nov 26;306(5701):1561-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Henry Wellcome Ancient Biomolecules Centre, Oxford University, South Parks Road, Oxford OX13PS, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15567864" target="_blank"〉PubMed〈/a〉
    Keywords: Alaska ; Animals ; Bayes Theorem ; *Bison/classification/genetics ; Canada ; China ; *Climate ; DNA, Mitochondrial/genetics ; Environment ; *Fossils ; Genetic Variation ; Genetics, Population ; Human Activities ; Humans ; North America ; Phylogeny ; Population Dynamics ; Sequence Analysis, DNA ; Time
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
    Publication Date: 2007-09-22
    Description: Water has supposedly marked the surface of Mars and produced characteristic landforms. To understand the history of water on Mars, we take a close look at key locations with the High-Resolution Imaging Science Experiment on board the Mars Reconnaissance Orbiter, reaching fine spatial scales of 25 to 32 centimeters per pixel. Boulders ranging up to approximately 2 meters in diameter are ubiquitous in the middle to high latitudes, which include deposits previously interpreted as finegrained ocean sediments or dusty snow. Bright gully deposits identify six locations with very recent activity, but these lie on steep (20 degrees to 35 degrees) slopes where dry mass wasting could occur. Thus, we cannot confirm the reality of ancient oceans or water in active gullies but do see evidence of fluvial modification of geologically recent mid-latitude gullies and equatorial impact craters.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McEwen, A S -- Hansen, C J -- Delamere, W A -- Eliason, E M -- Herkenhoff, K E -- Keszthelyi, L -- Gulick, V C -- Kirk, R L -- Mellon, M T -- Grant, J A -- Thomas, N -- Weitz, C M -- Squyres, S W -- Bridges, N T -- Murchie, S L -- Seelos, F -- Seelos, K -- Okubo, C H -- Milazzo, M P -- Tornabene, L L -- Jaeger, W L -- Byrne, S -- Russell, P S -- Griffes, J L -- Martinez-Alonso, S -- Davatzes, A -- Chuang, F C -- Thomson, B J -- Fishbaugh, K E -- Dundas, C M -- Kolb, K J -- Banks, M E -- Wray, J J -- New York, N.Y. -- Science. 2007 Sep 21;317(5845):1706-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ 85721, USA. mcewen@lpl.arizona.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17885125" target="_blank"〉PubMed〈/a〉
    Keywords: Extraterrestrial Environment ; Geological Phenomena ; Geology ; *Mars ; *Water
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
    Publication Date: 2011-02-05
    Description: Despite radically different environmental conditions, terrestrial and martian dunes bear a strong resemblance, indicating that the basic processes of saltation and grainfall (sand avalanching down the dune slipface) operate on both worlds. Here, we show that martian dunes are subject to an additional modification process not found on Earth: springtime sublimation of Mars' CO(2) seasonal polar caps. Numerous dunes in Mars' north polar region have experienced morphological changes within a Mars year, detected in images acquired by the High-Resolution Imaging Science Experiment on the Mars Reconnaissance Orbiter. Dunes show new alcoves, gullies, and dune apron extension. This is followed by remobilization of the fresh deposits by the wind, forming ripples and erasing gullies. The widespread nature of these rapid changes, and the pristine appearance of most dunes in the area, implicates active sand transport in the vast polar erg in Mars' current climate.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hansen, C J -- Bourke, M -- Bridges, N T -- Byrne, S -- Colon, C -- Diniega, S -- Dundas, C -- Herkenhoff, K -- McEwen, A -- Mellon, M -- Portyankina, G -- Thomas, N -- New York, N.Y. -- Science. 2011 Feb 4;331(6017):575-8. doi: 10.1126/science.1197636.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Planetary Science Institute, Tucson, AZ 85719, USA. cjhansen@psi.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21292976" target="_blank"〉PubMed〈/a〉
    Keywords: *Carbon Dioxide ; Dry Ice ; Extraterrestrial Environment ; *Mars
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 8
    Publication Date: 2012-08-21
    Description: Inflammation alters host physiology to promote cancer, as seen in colitis-associated colorectal cancer (CRC). Here, we identify the intestinal microbiota as a target of inflammation that affects the progression of CRC. High-throughput sequencing revealed that inflammation modifies gut microbial composition in colitis-susceptible interleukin-10-deficient (Il10(-/-)) mice. Monocolonization with the commensal Escherichia coli NC101 promoted invasive carcinoma in azoxymethane (AOM)-treated Il10(-/-) mice. Deletion of the polyketide synthase (pks) genotoxic island from E. coli NC101 decreased tumor multiplicity and invasion in AOM/Il10(-/-) mice, without altering intestinal inflammation. Mucosa-associated pks(+) E. coli were found in a significantly high percentage of inflammatory bowel disease and CRC patients. This suggests that in mice, colitis can promote tumorigenesis by altering microbial composition and inducing the expansion of microorganisms with genotoxic capabilities.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3645302/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3645302/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Arthur, Janelle C -- Perez-Chanona, Ernesto -- Muhlbauer, Marcus -- Tomkovich, Sarah -- Uronis, Joshua M -- Fan, Ting-Jia -- Campbell, Barry J -- Abujamel, Turki -- Dogan, Belgin -- Rogers, Arlin B -- Rhodes, Jonathan M -- Stintzi, Alain -- Simpson, Kenneth W -- Hansen, Jonathan J -- Keku, Temitope O -- Fodor, Anthony A -- Jobin, Christian -- MOP114872/Canadian Institutes of Health Research/Canada -- P30 CA016086/CA/NCI NIH HHS/ -- P30 DK034987/DK/NIDDK NIH HHS/ -- P40 R018603/PHS HHS/ -- R01 CA136887/CA/NCI NIH HHS/ -- R01 DK047700/DK/NIDDK NIH HHS/ -- R01 DK073338/DK/NIDDK NIH HHS/ -- R01 DK47700/DK/NIDDK NIH HHS/ -- R01 DK53347-11/DK/NIDDK NIH HHS/ -- R01 DK73338/DK/NIDDK NIH HHS/ -- T32 DK007737/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 2012 Oct 5;338(6103):120-3. doi: 10.1126/science.1224820. Epub 2012 Aug 16.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, Pharmacology and Immunology-Microbiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22903521" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Azoxymethane/toxicity ; Carcinogens/toxicity ; Carcinoma/chemically induced/*microbiology/pathology ; Cell Transformation, Neoplastic/genetics/pathology ; Colitis/*complications/genetics ; Colorectal Neoplasms/chemically induced/*microbiology/pathology ; *DNA Damage ; Escherichia coli/genetics/pathogenicity ; Interleukin-10/genetics ; Intestines/*microbiology/pathology ; Metagenome/genetics/*physiology ; Mice ; Mice, Mutant Strains ; Polyketide Synthases/genetics ; Sequence Deletion
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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