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Recycling and metabolic flexibility dictate life in the lower oceanic crust 期刊论文
NATURE, 2020, 579 (7798) : 250-+
作者:  Zhou, Peng;  Yang, Xing-Lou;  Wang, Xian-Guang;  Hu, Ben;  Zhang, Lei;  Zhang, Wei;  Si, Hao-Rui;  Zhu, Yan;  Li, Bei;  Huang, Chao-Lin;  Chen, Hui-Dong;  Chen, Jing;  Luo, Yun;  Guo, Hua;  Jiang, Ren-Di;  Liu, Mei-Qin;  Chen, Ying;  Shen, Xu-Rui;  Wang, Xi;  Zheng, Xiao-Shuang;  Zhao, Kai;  Chen, Quan-Jiao;  Deng, Fei;  Liu, Lin-Lin;  Yan, Bing;  Zhan, Fa-Xian;  Wang, Yan-Yi;  Xiao, Geng-Fu;  Shi, Zheng-Li
收藏  |  浏览/下载：37/0  |  提交时间：2020/05/13

The lithified lower oceanic crust is one of Earth'  s last biological frontiers as it is difficult to access. It is challenging for microbiota that live in marine subsurface sediments or igneous basement to obtain sufficient carbon resources and energy to support growth(1-3) or to meet basal power requirements(4) during periods of resource scarcity. Here we show how limited and unpredictable sources of carbon and energy dictate survival strategies used by low-biomass microbial communities that live 10-750 m below the seafloor at Atlantis Bank, Indian Ocean, where Earth'  s lower crust is exposed at the seafloor. Assays of enzyme activities, lipid biomarkers, marker genes and microscopy indicate heterogeneously distributed and viable biomass with ultralow cell densities (fewer than 2,000 cells per cm(3)). Expression of genes involved in unexpected heterotrophic processes includes those with a role in the degradation of polyaromatic hydrocarbons, use of polyhydroxyalkanoates as carbon-storage molecules and recycling of amino acids to produce compounds that can participate in redox reactions and energy production. Our study provides insights into how microorganisms in the plutonic crust are able to survive within fractures or porous substrates by coupling sources of energy to organic and inorganic carbon resources that are probably delivered through the circulation of subseafloor fluids or seawater.


  
Signature of a Quasi 30-Day Oscillation at Midlatitude Based on Wind Observations From MST Radar and Meteor Radar 期刊论文
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 2019, 124 (21) : 11266-11280
作者:  Huang, Kai Ming;  Xi, Yu;  Wang, Rui;  Zhang, Shao Dong;  Huang, Chun Ming;  Gong, Yun;  Cheng, Hao
收藏  |  浏览/下载：14/0  |  提交时间：2020/02/17
Daily minimum temperature and precipitation control on spring phenology in arid-mountain ecosystems in China 期刊论文
INTERNATIONAL JOURNAL OF CLIMATOLOGY, 2019
作者:  Du, Jun;  Li, Kai;  He, Zhibin;  Chen, Longfei;  Lin, Pengfei;  Zhu, Xi
收藏  |  浏览/下载：6/0  |  提交时间：2020/02/17
arid mountain ecosystems  climate change  daily minimum temperature  NDVI  precipitation  spring phenology  
Water-dispersible PEG-curcumin/amine-functionalized covalent organic framework nanocomposites as smart carriers for in vivo drug delivery 期刊论文
NATURE COMMUNICATIONS, 2018, 9
作者:  Zhang, Guiyang;  Li, Xinle;  Liao, Qiaobo;  Liu, Yanfeng;  Xi, Kai;  Huang, Wenyu;  Jia, Xudong
收藏  |  浏览/下载：8/0  |  提交时间：2019/11/27
A selfish genetic element confers non-Mendelian inheritance in rice 期刊论文
SCIENCE, 2018, 360 (6393) : 1130-1132
作者:  Yu, Xiaowen;  Zhao, Zhigang;  Zheng, Xiaoming;  Zhou, Jiawu;  Kong, Weiyi;  Wang, Peiran;  Bai, Wenting;  Zheng, Hai;  Zhang, Huan;  Li, Jing;  Liu, Jiafan;  Wang, Qiming;  Zhang, Long;  Liu, Kai;  Yu, Yang;  Guo, Xiuping;  Wang, Jiulin;  Lin, Qibing;  Wu, Fuqing;  Ren, Yulong;  Zhu, Shanshan;  Zhang, Xin;  Cheng, Zhijun;  Lei, Cailin;  Liu, Shijia;  Liu, Xi;  Tian, Yunlu;  Jiang, Ling;  Ge, Song;  Wu, Chuanyin;  Tao, Dayun;  Wang, Haiyang;  Wan, Jianmin
收藏  |  浏览/下载：20/0  |  提交时间：2019/11/27
The LPS-inducible lncRNA Mirt2 is a negative regulator of inflammation 期刊论文
NATURE COMMUNICATIONS, 2017, 8
作者:  Du, Meng;  Yuan, Lin;  Tan, Xin;  Huang, Dandan;  Wang, Xiaojing;  Zheng, Zhe;  Mao, Xiaoxiang;  Li, Xiangrao;  Yang, Liu;  Huang, Kun;  Zhang, Fengxiao;  Wang, Yan;  Luo, Xi;  Huang, Dan;  Huang, Kai
收藏  |  浏览/下载：11/0  |  提交时间：2019/11/27
Influence of normal fault growth and linkage on the evolution of a rift basin: A case from the Gaoyou depression of the Subei Basin, eastern China 期刊论文
AAPG BULLETIN, 2017, 101 (2)
作者:  Liu, Yin;  Chen, Qinghua;  Wang, Xi;  Hu, Kai;  Cao, Shaolei;  Wu, Lin;  Gao, Feng
收藏  |  浏览/下载：9/0  |  提交时间：2019/04/09
极端降雨作用下红壤土坡响应试验与灾变机理研究 项目
项目编号：41462011； 经费：500000(CNY)； 起止日期：2015 / dc_date_end
项目负责人:  薛凯喜
收藏  |  浏览/下载：6/0  |  提交时间：2019/04/11