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  • 1
    Call number: SR 90.0001(1312-C)
    In: U.S. Geological Survey bulletin
    Type of Medium: Series available for loan
    Pages: IV, C-31 S. + 5 pl.
    Series Statement: U.S. Geological Survey bulletin 1312-C
    Language: English
    Location: Lower compact magazine
    Branch Library: GFZ Library
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  • 2
    Series available for loan
    Series available for loan
    Washington, DC : United States Gov. Print. Off.
    Associated volumes
    Call number: SR 90.0001(1084-F)
    In: U.S. Geological Survey bulletin
    Type of Medium: Series available for loan
    Pages: III S., S. 151-164
    Series Statement: U.S. Geological Survey bulletin 1084-F
    Language: English
    Location: Lower compact magazine
    Branch Library: GFZ Library
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  • 3
    Publication Date: 2017-09-01
    Description: NAD + (oxidized form of NAD:nicotinamide adenine dinucleotide)–reducing soluble [NiFe]-hydrogenase (SH) is phylogenetically related to NADH (reduced form of NAD + ):quinone oxidoreductase (complex I), but the geometrical arrangements of the subunits and Fe–S clusters are unclear. Here, we describe the crystal structures of SH in the oxidized and reduced states. The cluster arrangement is similar to that of complex I, but the subunits orientation is not, which supports the hypothesis that subunits evolved as prebuilt modules. The oxidized active site includes a six-coordinate Ni, which is unprecedented for hydrogenases, whose coordination geometry would prevent O 2 from approaching. In the reduced state showing the normal active site structure without a physiological electron acceptor, the flavin mononucleotide cofactor is dissociated, which may be caused by the oxidation state change of nearby Fe–S clusters and may suppress production of reactive oxygen species.
    Keywords: Biochemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
    ISSN: 0022-2313
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 5
    Publication Date: 2016-04-06
    Description: The requirement for the B-cell transcription factor OCT2 (octamer-binding protein 2, encoded by Pou2f2) in germinal center B cells has proved controversial. Here, we report that germinal center B cells are formed normally after depletion of OCT2 in a conditional knockout mouse, but their proliferation is reduced and in vivo...
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
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  • 6
    Publication Date: 2011-11-09
    Description: Cochlear hair cells convert sound vibration into electrical potential, and loss of these cells diminishes auditory function. In response to mechanical stimuli, piezoelectric materials generate electricity, suggesting that they could be used in place of hair cells to create an artificial cochlear epithelium. Here, we report that a piezoelectric membrane generated electrical potentials in response to sound stimuli that were able to induce auditory brainstem responses in deafened guinea pigs, indicating its capacity to mimic basilar membrane function. In addition, sound stimuli were transmitted through the external auditory canal to a piezoelectric membrane implanted in the cochlea, inducing it to vibrate. The application of sound to the middle ear ossicle induced voltage output from the implanted piezoelectric membrane. These findings establish the fundamental principles for the development of hearing devices using piezoelectric materials, although there are many problems to be overcome before practical application.
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
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  • 7
    Publication Date: 2011-06-01
    Description: Methylation of cytosine in DNA plays a crucial role in development through inheritable gene silencing. The DNA methyltransferase Dnmt1 is responsible for the propagation of methylation patterns to the next generation via its preferential methylation of hemimethylated CpG sites in the genome; however, how Dnmt1 maintains methylation patterns is not fully understood. Here we report the crystal structure of the large fragment (291–1620) of mouse Dnmt1 and its complexes with cofactor S-adenosyl-L-methionine and its product S-adenosyl-L-homocystein. Notably, in the absence of DNA, the N-terminal domain responsible for targeting Dnmt1 to replication foci is inserted into the DNA-binding pocket, indicating that this domain must be removed for methylation to occur. Upon binding of S-adenosyl-L-methionine, the catalytic cysteine residue undergoes a conformation transition to a catalytically competent position. For the recognition of hemimethylated DNA, Dnmt1 is expected to utilize a target recognition domain that overhangs the putative DNA-binding pocket. Taking into considerations the recent report of a shorter fragment structure of Dnmt1 that the CXXC motif positions itself in the catalytic pocket and prevents aberrant de novo methylation, we propose that maintenance methylation is a multistep process accompanied by structural changes.
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
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  • 8
    Publication Date: 2002-01-05
    Description: Spermatogenesis is a precisely regulated process in which the germ cells closely interact with Sertoli cells. The molecular basis of this cell-cell adhesion is unknown. Here, we demonstrate that targeted disruption of Man2a2, a gene encoding alpha-mannosidase IIx (MX), an enzyme that forms intermediate asparagine-linked carbohydrates (N-glycans), results in Man2a2 null males that are largely infertile. The Man2a2 null spermatogenic cells fail to adhere to Sertoli cells and are prematurely released from the testis to epididymis. We identified an N-glycan structure that plays a key role in germ cell-Sertoli cell adhesion and showed that a specific carbohydrate was required for spermatogenesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Akama, Tomoya O -- Nakagawa, Hiroaki -- Sugihara, Kazuhiro -- Narisawa, Sonoko -- Ohyama, Chikara -- Nishimura, Shin-Ichiro -- O'Brien, Deborah A -- Moremen, Kelley W -- Millan, Jose Luis -- Fukuda, Michiko N -- CA 42595/CA/NCI NIH HHS/ -- CA71932/CA/NCI NIH HHS/ -- GM47533/GM/NIGMS NIH HHS/ -- HD05863/HD/NICHD NIH HHS/ -- RR05351/RR/NCRR NIH HHS/ -- U54 HD035041/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 2002 Jan 4;295(5552):124-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Glycobiology Program and, Stem Cell Program, The Burnham Institute, 10901 North Torrey Pines Road, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11778047" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylglucosamine/metabolism ; Animals ; Cell Adhesion ; Cell Survival ; Crosses, Genetic ; Female ; Gene Targeting ; Glycopeptides/pharmacology ; Infertility, Male/etiology ; Lectins/metabolism ; Male ; Mannosidases/genetics/*metabolism ; Mice ; Mutation ; Oligosaccharides/metabolism ; *Plant Lectins ; Polysaccharides/biosynthesis/chemistry/*metabolism ; Sertoli Cells/*metabolism ; Spermatocytes/metabolism/physiology ; *Spermatogenesis ; Spermatozoa/*metabolism/physiology ; Testis/cytology/metabolism
    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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  • 9
    Publication Date: 2010-04-16
    Description: The International Cancer Genome Consortium (ICGC) was launched to coordinate large-scale cancer genome studies in tumours from 50 different cancer types and/or subtypes that are of clinical and societal importance across the globe. Systematic studies of more than 25,000 cancer genomes at the genomic, epigenomic and transcriptomic levels will reveal the repertoire of oncogenic mutations, uncover traces of the mutagenic influences, define clinically relevant subtypes for prognosis and therapeutic management, and enable the development of new cancer therapies.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2902243/" 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/PMC2902243/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉International Cancer Genome Consortium -- Hudson, Thomas J -- Anderson, Warwick -- Artez, Axel -- Barker, Anna D -- Bell, Cindy -- Bernabe, Rosa R -- Bhan, M K -- Calvo, Fabien -- Eerola, Iiro -- Gerhard, Daniela S -- Guttmacher, Alan -- Guyer, Mark -- Hemsley, Fiona M -- Jennings, Jennifer L -- Kerr, David -- Klatt, Peter -- Kolar, Patrik -- Kusada, Jun -- Lane, David P -- Laplace, Frank -- Youyong, Lu -- Nettekoven, Gerd -- Ozenberger, Brad -- Peterson, Jane -- Rao, T S -- Remacle, Jacques -- Schafer, Alan J -- Shibata, Tatsuhiro -- Stratton, Michael R -- Vockley, Joseph G -- Watanabe, Koichi -- Yang, Huanming -- Yuen, Matthew M F -- Knoppers, Bartha M -- Bobrow, Martin -- Cambon-Thomsen, Anne -- Dressler, Lynn G -- Dyke, Stephanie O M -- Joly, Yann -- Kato, Kazuto -- Kennedy, Karen L -- Nicolas, Pilar -- Parker, Michael J -- Rial-Sebbag, Emmanuelle -- Romeo-Casabona, Carlos M -- Shaw, Kenna M -- Wallace, Susan -- Wiesner, Georgia L -- Zeps, Nikolajs -- Lichter, Peter -- Biankin, Andrew V -- Chabannon, Christian -- Chin, Lynda -- Clement, Bruno -- de Alava, Enrique -- Degos, Francoise -- Ferguson, Martin L -- Geary, Peter -- Hayes, D Neil -- Johns, Amber L -- Kasprzyk, Arek -- Nakagawa, Hidewaki -- Penny, Robert -- Piris, Miguel A -- Sarin, Rajiv -- Scarpa, Aldo -- van de Vijver, Marc -- Futreal, P Andrew -- Aburatani, Hiroyuki -- Bayes, Monica -- Botwell, David D L -- Campbell, Peter J -- Estivill, Xavier -- Grimmond, Sean M -- Gut, Ivo -- Hirst, Martin -- Lopez-Otin, Carlos -- Majumder, Partha -- Marra, Marco -- McPherson, John D -- Ning, Zemin -- Puente, Xose S -- Ruan, Yijun -- Stunnenberg, Hendrik G -- Swerdlow, Harold -- Velculescu, Victor E -- Wilson, Richard K -- Xue, Hong H -- Yang, Liu -- Spellman, Paul T -- Bader, Gary D -- Boutros, Paul C -- Flicek, Paul -- Getz, Gad -- Guigo, Roderic -- Guo, Guangwu -- Haussler, David -- Heath, Simon -- Hubbard, Tim J -- Jiang, Tao -- Jones, Steven M -- Li, Qibin -- Lopez-Bigas, Nuria -- Luo, Ruibang -- Muthuswamy, Lakshmi -- Ouellette, B F Francis -- Pearson, John V -- Quesada, Victor -- Raphael, Benjamin J -- Sander, Chris -- Speed, Terence P -- Stein, Lincoln D -- Stuart, Joshua M -- Teague, Jon W -- Totoki, Yasushi -- Tsunoda, Tatsuhiko -- Valencia, Alfonso -- Wheeler, David A -- Wu, Honglong -- Zhao, Shancen -- Zhou, Guangyu -- Lathrop, Mark -- Thomas, Gilles -- Yoshida, Teruhiko -- Axton, Myles -- Gunter, Chris -- Miller, Linda J -- Zhang, Junjun -- Haider, Syed A -- Wang, Jianxin -- Yung, Christina K -- Cros, Anthony -- Liang, Yong -- Gnaneshan, Saravanamuttu -- Guberman, Jonathan -- Hsu, Jack -- Chalmers, Don R C -- Hasel, Karl W -- Kaan, Terry S H -- Lowrance, William W -- Masui, Tohru -- Rodriguez, Laura Lyman -- Vergely, Catherine -- Bowtell, David D L -- Cloonan, Nicole -- deFazio, Anna -- Eshleman, James R -- Etemadmoghadam, Dariush -- Gardiner, Brooke B -- Kench, James G -- Sutherland, Robert L -- Tempero, Margaret A -- Waddell, Nicola J -- Wilson, Peter J -- Gallinger, Steve -- Tsao, Ming-Sound -- Shaw, Patricia A -- Petersen, Gloria M -- Mukhopadhyay, Debabrata -- DePinho, Ronald A -- Thayer, Sarah -- Shazand, Kamran -- Beck, Timothy -- Sam, Michelle -- Timms, Lee -- Ballin, Vanessa -- Lu, Youyong -- Ji, Jiafu -- Zhang, Xiuqing -- Chen, Feng -- Hu, Xueda -- Yang, Qi -- Tian, Geng -- Zhang, Lianhai -- Xing, Xiaofang -- Li, Xianghong -- Zhu, Zhenggang -- Yu, Yingyan -- Yu, Jun -- Tost, Jorg -- Brennan, Paul -- Holcatova, Ivana -- Zaridze, David -- Brazma, Alvis -- Egevard, Lars -- Prokhortchouk, Egor -- Banks, Rosamonde Elizabeth -- Uhlen, Mathias -- Viksna, Juris -- Ponten, Fredrik -- Skryabin, Konstantin -- Birney, Ewan -- Borg, Ake -- Borresen-Dale, Anne-Lise -- Caldas, Carlos -- Foekens, John A -- Martin, Sancha -- Reis-Filho, Jorge S -- Richardson, Andrea L -- Sotiriou, Christos -- Thoms, Giles -- van't Veer, Laura -- Birnbaum, Daniel -- Blanche, Helene -- Boucher, Pascal -- Boyault, Sandrine -- Masson-Jacquemier, Jocelyne D -- Pauporte, Iris -- Pivot, Xavier -- Vincent-Salomon, Anne -- Tabone, Eric -- Theillet, Charles -- Treilleux, Isabelle -- Bioulac-Sage, Paulette -- Decaens, Thomas -- Franco, Dominique -- Gut, Marta -- Samuel, Didier -- Zucman-Rossi, Jessica -- Eils, Roland -- Brors, Benedikt -- Korbel, Jan O -- Korshunov, Andrey -- Landgraf, Pablo -- Lehrach, Hans -- Pfister, Stefan -- Radlwimmer, Bernhard -- Reifenberger, Guido -- Taylor, Michael D -- von Kalle, Christof -- Majumder, Partha P -- Pederzoli, Paolo -- Lawlor, Rita A -- Delledonne, Massimo -- Bardelli, Alberto -- Gress, Thomas -- Klimstra, David -- Zamboni, Giuseppe -- Nakamura, Yusuke -- Miyano, Satoru -- Fujimoto, Akihiro -- Campo, Elias -- de Sanjose, Silvia -- Montserrat, Emili -- Gonzalez-Diaz, Marcos -- Jares, Pedro -- Himmelbauer, Heinz -- Bea, Silvia -- Aparicio, Samuel -- Easton, Douglas F -- Collins, Francis S -- Compton, Carolyn C -- Lander, Eric S -- Burke, Wylie -- Green, Anthony R -- Hamilton, Stanley R -- Kallioniemi, Olli P -- Ley, Timothy J -- Liu, Edison T -- Wainwright, Brandon J -- 077198/Wellcome Trust/United Kingdom -- 088340/Wellcome Trust/United Kingdom -- 093867/Wellcome Trust/United Kingdom -- 6613/Cancer Research UK/United Kingdom -- K08 DK071329/DK/NIDDK NIH HHS/ -- K08 DK071329-04/DK/NIDDK NIH HHS/ -- K08 DK071329-05/DK/NIDDK NIH HHS/ -- P01 CA117969/CA/NCI NIH HHS/ -- P01 CA117969-04S1/CA/NCI NIH HHS/ -- P01 CA117969-05/CA/NCI NIH HHS/ -- P50 CA102701/CA/NCI NIH HHS/ -- P50 CA102701-08/CA/NCI NIH HHS/ -- P50 CA127003/CA/NCI NIH HHS/ -- P50 CA127003-04/CA/NCI NIH HHS/ -- P50 CA127003-05/CA/NCI NIH HHS/ -- R01 HG001806-02/HG/NHGRI NIH HHS/ -- England -- Nature. 2010 Apr 15;464(7291):993-8. doi: 10.1038/nature08987.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20393554" target="_blank"〉PubMed〈/a〉
    Keywords: DNA Methylation ; DNA Mutational Analysis/trends ; Databases, Genetic ; Genes, Neoplasm/genetics ; Genetics, Medical/*organization & administration/trends ; Genome, Human/*genetics ; Genomics/*organization & administration/trends ; Humans ; Intellectual Property ; *International Cooperation ; Mutation ; Neoplasms/classification/*genetics/pathology/therapy
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 10
    Publication Date: 2009-02-14
    Description: Observations of the subsurface geology of the Moon help advance our understanding of lunar origin and evolution. Radar sounding from the Kaguya spacecraft has revealed subsurface layers at an apparent depth of several hundred meters in nearside maria. Comparison with the surface geology in the Serenitatis basin implies that the prominent echoes are probably from buried regolith layers accumulated during the depositional hiatus of mare basalts. The stratification indicates a tectonic quiescence between 3.55 and 2.84 billion years ago; mare ridges were formed subsequently. The basalts that accumulated during this quiet period have a total thickness of only a few hundred meters. These observations suggest that mascon loading did not produce the tectonics in Serenitatis after 3.55 billion years ago. Global cooling probably dominated the tectonics after 2.84 billion years ago.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ono, Takayuki -- Kumamoto, Atsushi -- Nakagawa, Hiromu -- Yamaguchi, Yasushi -- Oshigami, Shoko -- Yamaji, Atsushi -- Kobayashi, Takao -- Kasahara, Yoshiya -- Oya, Hiroshi -- New York, N.Y. -- Science. 2009 Feb 13;323(5916):909-12. doi: 10.1126/science.1165988.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Graduate School of Science, Tohoku University, Sendai 980-8578, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19213912" target="_blank"〉PubMed〈/a〉
    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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