Microbial carbon and sulfur cycling in the hydrothermally altered sediments of Guaymas Basin
瓜伊马斯盆地热液蚀变沉积物中的微生物碳和硫循环
基本信息
- 批准号:0647633
- 负责人:
- 金额:$ 69.65万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2007
- 资助国家:美国
- 起止时间:2007-06-01 至 2012-05-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
While microbial communities in marine sediments are generally sustained by sedimentation of organic matter from the water column, the Guaymas Basin hydrothermal sediments provide a model system for the microbial utilization and transformation of thermally released microbial substrates from deeply buried marine organic matter. As a working hypothesis, the physiologically distinct, layered microbial communities force the geothermally produced substrates through a double "microbial gauntlet" of anaerobic metabolism and autotrophic carbon fixation, where terminal anaerobic degradation of organic matter is performed by methanogenic and methane-oxidizing archaea, by sulfate-reducing bacteria and archaea, and potentially by novel subsurface archaeal populations within the upper sediments, while inorganic and organic remineralization products are assimilated by sulfur-oxidizing Beggiatoa mats at the sediment surface. This project will provide a quantitative understanding of how the dense and highly active benthic microbial populations of the Guaymas system utilize and recycle organic and inorganic carbon and sulfur of subsurface origin, how geochemical controls affect the community structure, and how uncultured, globally occurring subsurface archaea and bacteria thrive in their sediment habitat. To analyze the complex interplay of thermogenic and biogenic carbon sources and sinks, and the role of uncultured microbial populations in these processes, geochemical and molecular-biological approaches will be undertaken. The microbial community composition and activity patterns will be analyzed quantitatively. Carbon substrate profiles and microbial process rates (sulfate reduction, methanogenesis, methane oxidation) across hydrothermally active sediment sites will be measured and correlated to variations in microbial populations. The Guaymas Basin vents can serve as a model system for key linkages of the microbial and geological carbon and sulfur cycles, and shed new light on the roles of microorganisms as chemical catalysts of the marine environment and the marine subsurface. To tap into the great potential of Guaymas for teaching of biological-geological linkages in marine science, this project has initiated outreach projects with the Biodiversity Education and Public Outreach (BEPO) team and its Micros*cope resource at the Marine Biological Laboratory in Woods Hole, which also targets science educators and schools of non-english speaking minority communities. In addition, the Guaymas project will enhance undergraduate and graduate teaching, and provide hands-on research opportunities for graduate and undergraduate students.
虽然海洋沉积物中的微生物群落通常是由水柱中有机物的沉积维持的,但瓜伊马斯盆地热液沉积物为微生物利用和转化深埋海洋有机物中热释放的微生物基质提供了一个模型系统。 作为一个工作假设,生理上不同的分层微生物群落迫使地热产生的基质通过厌氧代谢和自养碳固定的双重“微生物手套”,其中有机物质的终端厌氧降解由产甲烷和甲烷氧化古菌、硫酸盐还原菌和古菌以及可能由上部沉积物内的新型地下古菌种群进行,而无机和有机矿化产物则被沉积物表面的硫氧化贝氏垫同化。 该项目将提供一个定量的了解,瓜伊马斯系统的密集和高度活跃的底栖微生物种群如何利用和回收地下来源的有机和无机碳和硫,地球化学控制如何影响社区结构,以及未培养的,全球发生的地下古菌和细菌如何在其沉积物栖息地茁壮成长。为了分析生热和生物源碳源和汇的复杂相互作用,以及未培养的微生物种群在这些过程中的作用,将采用地球化学和分子生物学方法。将对微生物群落组成和活动模式进行定量分析。 将测量热液活跃沉积物地点的碳基质概况和微生物过程速率(硫酸盐还原、甲烷生成、甲烷氧化),并将其与微生物种群的变化联系起来。瓜伊马斯盆地喷口可以作为微生物和地质碳硫循环关键联系的模型系统,并为微生物作为海洋环境和海洋地下化学催化剂的作用提供新的线索。为了挖掘瓜伊马斯在海洋科学生物-地质联系教学方面的巨大潜力,该项目与生物多样性教育和公共宣传小组及其在伍兹霍尔海洋生物实验室的微型科普资源一起发起了宣传项目,其对象也是科学教育工作者和非英语少数民族社区的学校。此外,瓜伊马斯项目将加强本科生和研究生的教学,并为研究生和本科生提供动手研究的机会。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Andreas Teske其他文献
Nitrogen isotope homogenization of dissolved ammonium with depth and <sup>15</sup>N enrichment of ammonium during incorporation into expandable layer silicates in organic-rich marine sediment from Guaymas Basin, Gulf of California
- DOI:
10.1016/j.chemgeo.2024.122203 - 发表时间:
2024-10-20 - 期刊:
- 影响因子:
- 作者:
Toshiro Yamanaka;Arisa Sakamoto;Kanon Kiyokawa;Jaeguk Jo;Yuji Onishi;Yoshihiro Kuwahara;Ji-Hoon Kim;Lucie C. Pastor;Andreas Teske;Daniel Lizarralde;Tobias W. Höfig;Ivano W. Aiello;Jeanine L. Ash;Diana P. Bojanova;Martine D. Buatier;Virginia P. Edgcomb;Christophe Y. Galerne;Swanne Gontharet;Verena B. Heuer;Shijun Jiang - 通讯作者:
Shijun Jiang
Uncultured archaea in deep marine subsurface sediments: have we caught them all?
深海海洋地下沉积物中的未培养古细菌:我们已经把它们全部捕获了吗?
- DOI:
10.1038/ismej.2007.90 - 发表时间:
2007-11-08 - 期刊:
- 影响因子:10.000
- 作者:
Andreas Teske;Ketil B Sørensen - 通讯作者:
Ketil B Sørensen
Nitrogen isotope homogenization of dissolved ammonium with depth and sup15/supN enrichment of ammonium during incorporation into expandable layer silicates in organic-rich marine sediment from Guaymas Basin, Gulf of California
加利福尼亚湾瓜伊马斯盆地富含有机质的海洋沉积物中,溶解态铵随深度的氮同位素均一化以及铵在纳入膨胀层硅酸盐过程中的δ¹⁵N富集
- DOI:
10.1016/j.chemgeo.2024.122203 - 发表时间:
2024-10-20 - 期刊:
- 影响因子:3.600
- 作者:
Toshiro Yamanaka;Arisa Sakamoto;Kanon Kiyokawa;Jaeguk Jo;Yuji Onishi;Yoshihiro Kuwahara;Ji-Hoon Kim;Lucie C. Pastor;Andreas Teske;Daniel Lizarralde;Tobias W. Höfig;Ivano W. Aiello;Jeanine L. Ash;Diana P. Bojanova;Martine D. Buatier;Virginia P. Edgcomb;Christophe Y. Galerne;Swanne Gontharet;Verena B. Heuer;Shijun Jiang;Guangchao Zhuang - 通讯作者:
Guangchao Zhuang
Characteristics and Evolution of sill-driven off-axis hydrothermalism in Guaymas Basin – the Ringvent site
瓜伊马斯盆地-环喷口地点的岩席驱动的离轴热液活动的特征和演化
- DOI:
10.1038/s41598-019-50200-5 - 发表时间:
2019-09-25 - 期刊:
- 影响因子:3.900
- 作者:
Andreas Teske;Luke J. McKay;Ana Christina Ravelo;Ivano Aiello;Carlos Mortera;Fernando Núñez-Useche;Carles Canet;Jeffrey P. Chanton;Benjamin Brunner;Christian Hensen;Gustavo A. Ramírez;Ryan J. Sibert;Tiffany Turner;Dylan White;Christopher R. Chambers;Andrew Buckley;Samantha B. Joye;S. Adam Soule;Daniel Lizarralde - 通讯作者:
Daniel Lizarralde
IODP Expedition 385: Guaymas Basin Tectonics and Biosphere
IODP 385 号探险队:瓜伊马斯盆地构造和生物圈
- DOI:
- 发表时间:
2020 - 期刊:
- 影响因子:0
- 作者:
Yuki Morono;Andreas Teske;Daniel Lizarralde;Tobias W Hofig;IODP EXPEDITION 385 SCIENTISTS - 通讯作者:
IODP EXPEDITION 385 SCIENTISTS
Andreas Teske的其他文献
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{{ truncateString('Andreas Teske', 18)}}的其他基金
Collaborative Research: IODP-enabled Insights into Fungi and Their Metabolic Interactions with Other Microorganisms in Deep Subsurface Hydrothermal Sediments
合作研究:借助 IODP 深入了解深层地下热液沉积物中的真菌及其与其他微生物的代谢相互作用
- 批准号:
2048489 - 财政年份:2021
- 资助金额:
$ 69.65万 - 项目类别:
Standard Grant
Collaborative Research: Hydrothermal Fungi in the Guaymas Basin Hydrocarbon Ecosystem
合作研究:瓜伊马斯盆地碳氢化合物生态系统中的热液真菌
- 批准号:
1829680 - 财政年份:2018
- 资助金额:
$ 69.65万 - 项目类别:
Standard Grant
Collaborative Research: Next generation physiology: a systems-level understanding of microbes driving carbon cycling in marine sediments
合作研究:下一代生理学:对驱动海洋沉积物碳循环的微生物的系统级理解
- 批准号:
1817381 - 财政年份:2018
- 资助金额:
$ 69.65万 - 项目类别:
Standard Grant
Collaborative Research: Microbial Carbon cycling and its interactions with Sulfur and Nitrogen transformations in Guaymas Basin hydrothermal sediments
合作研究:瓜伊马斯盆地热液沉积物中微生物碳循环及其与硫和氮转化的相互作用
- 批准号:
1357238 - 财政年份:2014
- 资助金额:
$ 69.65万 - 项目类别:
Standard Grant
RAPID proposal: Site characterization cruise to document the active and extensive subsurface biosphere in the Guaymas Basin
RAPID 提案:现场表征巡航,记录瓜伊马斯盆地活跃且广泛的地下生物圈
- 批准号:
1449604 - 财政年份:2014
- 资助金额:
$ 69.65万 - 项目类别:
Standard Grant
RAPID: The Microbial Response to the Deepwater Horizon Oil Spill
RAPID:微生物对深水地平线漏油事件的反应
- 批准号:
1045115 - 财政年份:2010
- 资助金额:
$ 69.65万 - 项目类别:
Standard Grant
MO: COLLABORATIVE RESEARCH: A MICROBIAL OBSERVATORY EXAMINING MICROBIAL ABUNDANCE, DIVERSITY, ASSOCIATIONS AND ACTIVITY AT SEAFLOOR BRINE SEEPS
MO:合作研究:微生物观测站检查海底盐水渗漏处的微生物丰度、多样性、关联性和活动
- 批准号:
0801742 - 财政年份:2008
- 资助金额:
$ 69.65万 - 项目类别:
Standard Grant
Collaborative Proposal: Site Survey and Initial Characterization of North Pond: Microbiology, Biogeochemistry, Seismic Profiles
合作提案:北池塘的现场调查和初步表征:微生物学、生物地球化学、地震剖面
- 批准号:
0727175 - 财政年份:2007
- 资助金额:
$ 69.65万 - 项目类别:
Standard Grant
Collaborative Research: Drilling Site Survey-Life in Subseafloor Sediments of the South Pacific Gyre
合作研究:钻探现场调查——南太平洋环流海底沉积物中的生命
- 批准号:
0527039 - 财政年份:2005
- 资助金额:
$ 69.65万 - 项目类别:
Standard Grant
LExEn: Hyperthermophiles of the Hydrothermal Vent Subsurface and Their Environmental Tolerance
LExEn:热液喷口地下的超嗜热生物及其环境耐受性
- 批准号:
0085534 - 财政年份:2000
- 资助金额:
$ 69.65万 - 项目类别:
Standard Grant
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