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DNA-repair enzyme turns to translation 期刊论文
NATURE, 2020, 579 (7798) : 198-199
作者:  Bian, Zhilei;  Gong, Yandong;  Huang, Tao;  Lee, Christopher Z. W.;  Bian, Lihong;  Bai, Zhijie;  Shi, Hui;  Zeng, Yang;  Liu, Chen;  He, Jian;  Zhou, Jie;  Li, Xianlong;  Li, Zongcheng;  Ni, Yanli;  Ma, Chunyu;  Cui, Lei;  Zhang, Rui;  Chan, Jerry K. Y.;  Ng, Lai Guan;  Lan, Yu;  Ginhoux, Florent;  Liu, Bing
收藏  |  浏览/下载：12/0  |  提交时间：2020/07/03

A key DNA-repair enzyme has a surprising role during the early steps in the assembly of ribosomes - the molecular machines that translate the genetic code into protein.


  
Improvement in municipal wastewater treatment alters lake nitrogen to phosphorus ratios in populated regions 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2020, 117 (21) : 11566-11572
作者:  Tong, Yindong;  Wang, Mengzhu;  Penuelas, Josep;  Liu, Xueyan;  Paerl, Hans W.;  Elser, James J.;  Sardans, Jordi;  Couture, Raoul-Marie;  Larssen, Thorjorn;  Hu, Hongying;  Dong, Xin;  He, Wei;  Zhang, Wei;  Wang, Xuejun;  Zhang, Yang;  Liu, Yi;  Zeng, Siyu;  Kong, Xiangzhen;  Janssen, Annette B. G.;  Lin, Yan
收藏  |  浏览/下载：12/0  |  提交时间：2020/05/13
nutrient balance  water quality change  anthropogenic source  wastewater treatment  aquatic ecosystem  
Hydrothermal (NN)-N-15-N-15 abundances constrain the origins of mantle nitrogen 期刊论文
NATURE, 2020, 580 (7803) : 367-+
作者:  Zhao, Steven;  Jang, Cholsoon;  Liu, Joyce;  Uehara, Kahealani;  Gilbert, Michael;  Izzo, Luke;  Zeng, Xianfeng;  Trefely, Sophie;  Fernandez, Sully;  Carrer, Alessandro;  Miller, Katelyn D.;  Schug, Zachary T.;  Snyder, Nathaniel W.;  Gade, Terence P.;  Titchenell, Paul M.;  Rabinowitz, Joshua D.;  Wellen, Kathryn E.
收藏  |  浏览/下载：14/0  |  提交时间：2020/05/13

Nitrogen is the main constituent of the Earth'  s atmosphere, but its provenance in the Earth'  s mantle remains uncertain. The relative contribution of primordial nitrogen inherited during the Earth'  s accretion versus that subducted from the Earth'  s surface is unclear(1-6). Here we show that the mantle may have retained remnants of such primordial nitrogen. We use the rare (NN)-N-15-N-15 isotopologue of N-2 as a new tracer of air contamination in volcanic gas effusions. By constraining air contamination in gases from Iceland, Eifel (Germany) and Yellowstone (USA), we derive estimates of mantle delta N-15 (the fractional difference in N-15/N-14 from air), N-2/Ar-36 and N-2/He-3. Our results show that negative delta N-15 values observed in gases, previously regarded as indicating a mantle origin for nitrogen(7-10), in fact represent dominantly air-derived N-2 that experienced N-15/N-14 fractionation in hydrothermal systems. Using two-component mixing models to correct for this effect, the (NN)-N-15-N-15 data allow extrapolations that characterize mantle endmember delta N-15, N-2/Ar-36 and N-2/He-3 values. We show that the Eifel region has slightly increased delta N-15 and N-2/Ar-36 values relative to estimates for the convective mantle provided by mid-ocean-ridge basalts(11), consistent with subducted nitrogen being added to the mantle source. In contrast, we find that whereas the Yellowstone plume has delta N-15 values substantially greater than that of the convective mantle, resembling surface components(12-15), its N-2/Ar-36 and N-2/He-3 ratios are indistinguishable from those of the convective mantle. This observation raises the possibility that the plume hosts a primordial component. We provide a test of the subduction hypothesis with a two-box model, describing the evolution of mantle and surface nitrogen through geological time. We show that the effect of subduction on the deep nitrogen cycle may be less important than has been suggested by previous investigations. We propose instead that high mid-ocean-ridge basalt and plume delta N-15 values may both be dominantly primordial features.


  
Large-scale ruminant genome sequencing provides insights into their evolution and distinct traits 期刊论文
SCIENCE, 2019, 364 (6446) : 1152-+
作者:  Chen, Lei;  Qin, Qiang;  Jiang, Yu;  Wang, Kun;  Lin, Zeshan;  Li, Zhipeng;  Bibi, Faysal;  Yang, Yongzhi;  Wang, Jinhuan;  Nie, Wenhui;  Su, Weiting;  Liu, Guichun;  Li, Qiye;  Fu, Weiwei;  Pan, Xiangyu;  Liu, Chang;  Yang, Jie;  Zhang, Chenzhou;  Yin, Yuan;  Wang, Yu;  Zhao, Yue;  Zhang, Chen;  Wang, Zhongkai;  Qin, Yanli;  Liu, Wei;  Wang, Bao;  Ren, Yandong;  Zhang, Ru;  Zeng, Yan;  da Fonseca, Rute R.;  Wei, Bin;  Li, Ran;  Wan, Wenting;  Zhao, Ruoping;  Zhu, Wenbo;  Wang, Yutao;  Duan, Shengchang;  Gao, Yun;  Zhang, Yong E.;  Chen, Chunyan;  Hvilsom, Christina;  Epps, Clinton W.;  Chemnick, Leona G.;  Doug, Yang;  Mirarab, Siavash;  Siegismund, Hans Redlef;  Ryder, Oliver A.;  Gilbert, M. Thomas P.;  Lewin, Harris A.;  Zhang, Guojie;  Heller, Rasmus;  Wang, Wen
收藏  |  浏览/下载：17/0  |  提交时间：2019/11/27
GDGT cyclization proteins identify the dominant archaeal sources of tetraether lipids in the ocean 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2019, 116 (45) : 22505-22511
作者:  Zhirui Zeng;  Xiao-Lei Liu;  Kristen R. Farley;  Jeremy H. Wei;  William W. Metcalf;  Roger E. Summons;  and Paula V. Welander
收藏  |  浏览/下载：6/0  |  提交时间：2019/11/27
GDGT  radical SAM  paleotemperature proxies  
Protect Third Pole's fragile ecosystem 期刊论文
SCIENCE, 2018, 362 (6421) : 1368-1368
作者:  Liu, Jie;  Milne, Richard I.;  Cadotte, Marc W.;  Wu, Zeng-Yuan;  Provan, Jim;  Zhu, Guang-Fu;  Gao, Lian-Ming;  Li, De-Zhu
收藏  |  浏览/下载：9/0  |  提交时间：2019/11/27
PIEZOs mediate neuronal sensing of blood pressure and the baroreceptor reflex 期刊论文
SCIENCE, 2018, 362 (6413) : 464-467
作者:  Zeng, Wei-Zheng;  Marshall, Kara L.;  Min, Soohong;  Daou, Ihab;  Chapleau, Mark W.;  Abboud, Francois M.;  Liberles, Stephen D.;  Patapoutian, Ardem
收藏  |  浏览/下载：5/0  |  提交时间：2019/11/27
Drought losses in China might double between the 1.5 degrees C and 2.0 degrees C warming 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2018, 115 (42) : 10600-10605
作者:  Su, Buda;  Huang, Jinlong;  Fischer, Thomas;  Wang, Yanjun;  Kundzewicz, Zbigniew W.;  Zhai, Jianqing;  Sun, Hemin;  Wang, Anqian;  Zeng, Xiaofan;  Wang, Guojie;  Tao, Hui;  Gemmer, Marco;  Li, Xiucang;  Jiang, Tong
收藏  |  浏览/下载：6/0  |  提交时间：2019/11/27
drought  drought losses  projections  global warming  China