中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
首页 机构 成果 学者
  
  1. CAS IR Grid
  2. 植物研究所
  3. 中国科学院植物研究所
  4. 植被与环境变化国家重点实验室
Large-scale evidence for microbial response and associated carbon release after permafrost thaw

文献类型：期刊论文

作者Chen, Yongliang2; Liu, Futing1; Kang, Luyao3; Zhang, Dianye; Kou, Dan; Mao, Chao3; Qin, Shuqi3; Zhang, Qiwen; Yang, Yuanhe3
刊名GLOBAL CHANGE BIOLOGY
出版日期2021
卷号27期号:14页码:3218-3229
关键词carbon cycle climate warming GeoChip Illumina sequencing microbial community permafrost thaw
ISSN号1354-1013
DOI10.1111/gcb.15487
文献子类Article
英文摘要Permafrost thaw could trigger the release of greenhouse gases through microbial decomposition of the large quantities of carbon (C) stored within frozen soils. However, accurate evaluation of soil C emissions from thawing permafrost is still a big challenge, partly due to our inadequate understanding about the response of microbial communities and their linkage with soil C release upon permafrost thaw. Based on a large-scale permafrost sampling across 24 sites on the Tibetan Plateau, we employed meta-genomic technologies (GeoChip and Illumina MiSeq sequencing) to explore the impacts of permafrost thaw (permafrost samples were incubated for 11 days at 5 degrees C) on microbial taxonomic and functional communities, and then conducted a laboratory incubation to investigate the linkage of microbial taxonomic and functional diversity with soil C release after permafrost thaw. We found that bacterial and fungal alpha diversity decreased, but functional gene diversity and the normalized relative abundance of C degradation genes increased after permafrost thaw, reflecting the rapid microbial response to permafrost thaw. Moreover, both the microbial taxonomic and functional community structures differed between the thawed permafrost and formerly frozen soils. Furthermore, soil C release rate over five month incubation was associated with microbial functional diversity and C degradation gene abundances. By contrast, neither microbial taxonomic diversity nor community structure exhibited any significant effects on soil C release over the incubation period. These findings demonstrate that permafrost thaw could accelerate C emissions by altering the function potentials of microbial communities rather than taxonomic diversity, highlighting the crucial role of microbial functional genes in mediating the responses of permafrost C cycle to climate warming.
学科主题Biodiversity Conservation ; Ecology ; Environmental Sciences
出版地HOBOKEN
电子版国际标准刊号1365-2486
WOS关键词RIBOSOMAL-RNA ; FUNCTIONAL REDUNDANCY ; TIBETAN PLATEAU ; ACTIVE LAYER ; SOIL CARBON ; COMMUNITIES ; DIVERSITY ; SEQUENCES ; DECOMPOSITION ; PATTERNS
WOS研究方向Science Citation Index Expanded (SCI-EXPANDED)
语种英语
WOS记录号WOS:000609278300001
出版者WILEY
资助机构National Key Research and Development Program of China [2017YFA0604803, 2016YFC0500701] ; National Natural Science Foundation of China [31825006, 31988102, 91837312] ; Second Tibetan Plateau Scientific Expedition and Research [2019QZKK0106]
源URL[http://ir.ibcas.ac.cn/handle/2S10CLM1/26425]  
专题植被与环境变化国家重点实验室
作者单位1.China Agr Univ, Coll Resources & Environm Sci, Beijing, Peoples R China
2.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China
3.Chinese Acad Forestry, Res Inst Forestry, Key Lab Tree Breeding & Cultivat, State Forestry & Grassland Adm, Beijing, Peoples R China
4.Univ Chinese Acad Sci, Beijing, Peoples R China
推荐引用方式
GB/T 7714		 Chen, Yongliang,Liu, Futing,Kang, Luyao,et al. Large-scale evidence for microbial response and associated carbon release after permafrost thaw[J]. GLOBAL CHANGE BIOLOGY,2021,27(14):3218-3229.
APA Chen, Yongliang.,Liu, Futing.,Kang, Luyao.,Zhang, Dianye.,Kou, Dan.,...&Yang, Yuanhe.(2021).Large-scale evidence for microbial response and associated carbon release after permafrost thaw.GLOBAL CHANGE BIOLOGY,27(14),3218-3229.
MLA Chen, Yongliang,et al."Large-scale evidence for microbial response and associated carbon release after permafrost thaw".GLOBAL CHANGE BIOLOGY 27.14(2021):3218-3229.

入库方式： OAI收割

来源：植物研究所

浏览0
下载0
收藏0
其他版本

除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。