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Disproving the Bodele Depression as the Primary Source of Dust Fertilizing the Amazon Rainforest 期刊论文
GEOPHYSICAL RESEARCH LETTERS, 2020, 47 (13)
作者:  Yu, Yan;  Kalashnikova, Olga, V;  Garay, Michael J.;  Lee, Huikyo;  Notaro, Michael;  Campbell, James R.;  Marquis, Jared;  Ginoux, Paul;  Okin, Gregory S.
收藏  |  浏览/下载:16/0  |  提交时间:2020/06/29
dust transport  trajectory analysis  MISR  CALIOP  AOD  
Microbial signatures in tumours and blood 期刊论文
NATURE, 2020, 579 (7800) : 502-503
作者:  Goodman, Russell P.;  Markhard, Andrew L.;  Shah, Hardik;  Sharma, Rohit;  Skinner, Owen S.;  Clish, Clary B.;  Deik, Amy;  Patgiri, Anupam;  Hsu, Yu-Han H.;  Masia, Ricard;  Noh, Hye Lim;  Suk, Sujin;  Goldberger, Olga;  Hirschhorn, Joel N.;  Yellen, Gary;  Kim, Jason K.;  Mootha, Vamsi K.
收藏  |  浏览/下载:22/0  |  提交时间:2020/07/03

Microbiome signatures as putative cancer diagnostics.


Analysis of nucleic-acid sequences from human cancers, along with samples from adjacent tissue and blood, reveals the presence of microorganisms in tumours and blood across cancers.


  
Insights into atmospheric oxidation processes by performing factor analyses on subranges of mass spectra 期刊论文
ATMOSPHERIC CHEMISTRY AND PHYSICS, 2020, 20 (10) : 5945-5961
作者:  Zhang, Yanjun;  Perakyla, Otso;  Yan, Chao;  Heikkinen, Liine;  Aijala, Mikko;  Daellenbach, Kaspar R.;  Zha, Qiaozhi;  Riva, Matthieu;  Garmash, Olga;  Junninen, Heikki;  Paatero, Pentti;  Worsnop, Douglas;  Ehn, Mikael
收藏  |  浏览/下载:14/0  |  提交时间:2020/05/20
Volumetric Characterization of the South Atlantic Subtropical Mode Water Types 期刊论文
GEOPHYSICAL RESEARCH LETTERS, 2020, 47 (8)
作者:  Bernardo, Piero S.;  Sato, Olga T.
收藏  |  浏览/下载:7/0  |  提交时间:2020/07/02
Mode Water  South Atlantic  Heat flux  Formation  Subtropical Mode Water  Formation rate  
poly(UG)-tailed RNAs in genome protection and epigenetic inheritance 期刊论文
NATURE, 2020, 582 (7811) : 283-+
作者:  Raj, Dipak K.;  Das Mohapatra, Alok;  Jnawali, Anup;  Zuromski, Jenna;  Jha, Ambrish;  Cham-Kpu, Gerald;  Sherman, Brett;  Rudlaff, Rachel M.;  Nixon, Christina E.;  Hilton, Nicholas;  Oleinikov, Andrew V.;  Chesnokov, Olga;  Merritt, Jordan;  Pond-Tor, Sunthorn
收藏  |  浏览/下载:19/0  |  提交时间:2020/07/03

Mobile genetic elements threaten genome integrity in all organisms. RDE-3 (also known as MUT-2) is a ribonucleotidyltransferase that is required for transposon silencing and RNA interference in Caenorhabditis elegans(1-4). When tethered to RNAs in heterologous expression systems, RDE-3 can add long stretches of alternating non-templated uridine (U) and guanosine (G) ribonucleotides to the 3 '  termini of these RNAs (designated poly(UG) or pUG tails)(5). Here we show that, in its natural context in C. elegans, RDE-3 adds pUG tails to targets of RNA interference, as well as to transposon RNAs. RNA fragments attached to pUG tails with more than 16 perfectly alternating 3 '  U and G nucleotides become gene-silencing agents. pUG tails promote gene silencing by recruiting RNA-dependent RNA polymerases, which use pUG-tailed RNAs (pUG RNAs) as templates to synthesize small interfering RNAs (siRNAs). Our results show that cycles of pUG RNA-templated siRNA synthesis and siRNA-directed pUG RNA biogenesis underlie double-stranded-RNA-directed transgenerational epigenetic inheritance in the C. elegans germline. We speculate that this pUG RNA-siRNA silencing loop enables parents to inoculate progeny against the expression of unwanted or parasitic genetic elements.


In Caenorhabditis elegans, the ribonucleotidyltransferase RDE-3 adds alternating uridine and guanosine ribonucleotides to the 3 '  termini of RNAs, a key step in RNA interference and thus epigenetic inheritance in the C. elegans germline.


  
Bionic 3D printed corals 期刊论文
NATURE COMMUNICATIONS, 2020, 11 (1)
作者:  Wangpraseurt, Daniel;  You, Shangting;  Azam, Farooq;  Jacucci, Gianni;  Gaidarenko, Olga;  Hildebrand, Mark;  Kuehl, Michael;  Smith, Alison G.;  Davey, Matthew P.;  Smith, Alyssa;  Deheyn, Dimitri D.;  Chen, Shaochen;  Vignolini, Silvia
收藏  |  浏览/下载:12/0  |  提交时间:2020/05/13
Seasonality of the MJO Impact on Upper Troposphere-Lower Stratosphere Temperature, Circulation, and Composition 期刊论文
JOURNAL OF THE ATMOSPHERIC SCIENCES, 2020, 77 (4) : 1455-1473
作者:  Tweedy, Olga, V;  Oman, Luke D.;  Waugh, Darryn W.
收藏  |  浏览/下载:8/0  |  提交时间:2020/07/02
Atmospheric circulation  Kelvin waves  Madden-Julian oscillation  Intraseasonal variability  Atmospheric composition  Trace gases  
Evaluation of sea salt aerosols in climate systems: global climate modeling and observation-based analyses* 期刊论文
ENVIRONMENTAL RESEARCH LETTERS, 2020, 15 (3)
作者:  Chen, Yi-Chun;  Li, Jui-Lin F.;  Lee, Wei-Liang;  Diner, David J.;  Garay, Michael J.;  Jiang, Jonathan H.;  Wang, Yi-Hui;  Yu, Jia-Yuh;  Kalashnikova, Olga, V
收藏  |  浏览/下载:18/0  |  提交时间:2020/07/02
global climate modeling  aerosols  sea salt  falling ice radiative effects  
Long-term ecological consequences of forest fires in the continuous permafrost zone of Siberia 期刊论文
ENVIRONMENTAL RESEARCH LETTERS, 2020, 15 (3)
作者:  Kirdyanov, Alexander, V;  Saurer, Matthias;  Siegwolf, Rolf;  Knorre, Anastasia A.;  Prokushkin, Anatoly S.;  (Sidorova), Olga V. Churakova;  Fonti, Marina, V;  Buentgen, Ulf
收藏  |  浏览/下载:14/0  |  提交时间:2020/07/02
active soil layer  boreal forest  permafrost  Siberia  stable isotopes  tree rings  wildfire  
Orbital pacing and secular evolution of the Early Jurassic carbon cycle 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2020, 117 (8) : 3974-3982
作者:  Storm, Marisa S.;  Hesselbo, Stephen P.;  Jenkyns, Hugh C.;  Ruhl, Micha;  Ullmann, Clemens V.;  Xu, Weimu;  Leng, Melanie J.;  Riding, James B.;  Gorbanenko, Olga
收藏  |  浏览/下载:8/0  |  提交时间:2020/05/13
astrochronology  delta(CTOC)-C-13  global carbon cycle  Early Jurassic