冷渗沉积物中高脱氮率和硝酸盐去除率。
High rates of denitrification and nitrate removal in cold seep sediments.
机构信息
Department of Marine Sciences, University of Georgia, Athens, GA 30602-3636, USA.
出版信息
ISME J. 2011 Mar;5(3):565-7. doi: 10.1038/ismej.2010.134. Epub 2010 Oct 14.
Abstract
We measured denitrification and nitrate removal rates in cold seep sediments from the Gulf of Mexico. Heterotrophic potential denitrification rates were assayed in time-series incubations. Surficial sediments inhabited by Beggiatoa exhibited higher heterotrophic potential denitrification rates (32 μM N reduced day(-1)) than did deeper sediments (11 μM N reduced day(-1)). Nitrate removal rates were high in both sediment horizons. These nitrate removal rates translate into rapid turnover times (<1 day) for the nitrate pool, resulting in a faster turnover for the nitrate pool than for the sulfate pool. Together, these data underscore the rigorous nature of internal nitrogen cycling at cold seeps and the requirement for novel mechanisms to provide nitrate to the sediment microbial community.
摘要
我们测量了来自墨西哥湾冷渗沉积物中的反硝化和硝酸盐去除速率。在时间序列培养中测定了异养潜在反硝化速率。由贝氏硫菌属(Beggiatoa)栖息的表层沉积物的异养潜在反硝化速率（32 μM N 还原天（-1））高于深部沉积物（11 μM N 还原天（-1））。两个沉积物层的硝酸盐去除速率都很高。这些硝酸盐去除速率使得硝酸盐库的周转率非常快（<1 天），导致硝酸盐库的周转率比硫酸盐库快。这些数据共同强调了冷渗流内部氮循环的严格性质，以及需要新的机制向沉积物微生物群落提供硝酸盐。
相似文献
1
High rates of denitrification and nitrate removal in cold seep sediments.冷渗沉积物中高脱氮率和硝酸盐去除率。
ISME J. 2011 Mar;5(3):565-7. doi: 10.1038/ismej.2010.134. Epub 2010 Oct 14.
2
Microbially Mediated Coupling of Fe and N Cycles by Nitrate-Reducing Fe(II)-Oxidizing Bacteria in Littoral Freshwater Sediments.硝酸盐还原的亚铁氧化菌在滨海淡水沉积物中介导铁和氮循环的耦合。
Appl Environ Microbiol. 2018 Jan 2;84(2). doi: 10.1128/AEM.02013-17. Print 2018 Jan 15.
3
Denitrification and environmental factors influencing nitrate removal in Guaymas Basin hydrothermally altered sediments.瓜伊马斯盆地热液蚀变沉积物中硝酸盐去除的反硝化作用及环境影响因素
Front Microbiol. 2012 Oct 25;3:377. doi: 10.3389/fmicb.2012.00377. eCollection 2012.
4
Significance of dredging on sediment denitrification in Meiliang Bay, China: a year long simulation study.疏浚对中国梅梁湾沉积物反硝化作用的影响：为期一年的模拟研究。
J Environ Sci (China). 2010;22(1):68-75. doi: 10.1016/s1001-0742(09)60076-0.
5
The fate of nitrate in intertidal permeable sediments.潮间带渗透性沉积物中硝酸盐的归宿
PLoS One. 2014 Aug 15;9(8):e104517. doi: 10.1371/journal.pone.0104517. eCollection 2014.
6
The effect of nitrate concentration on sulfide-driven autotrophic denitrification in marine sediment.硝酸盐浓度对海洋沉积物中硫化物驱动的自养反硝化作用的影响。
Chemosphere. 2011 Mar;83(1):1-6. doi: 10.1016/j.chemosphere.2011.01.042.
7
Dissimilatory nitrate reduction processes in sediments of urban river networks: Spatiotemporal variations and environmental implications.城市河网沉积物中的异化硝酸盐还原过程：时空变化及环境意义
Environ Pollut. 2016 Dec;219:545-554. doi: 10.1016/j.envpol.2016.05.093. Epub 2016 Jun 25.
8
The effects of hypoxia on sediment nitrogen cycling in the Baltic Sea.缺氧对波罗的海沉积物氮循环的影响。
Ambio. 2012 Mar;41(2):161-9. doi: 10.1007/s13280-011-0233-6. Epub 2012 Jan 14.
9
[Nitrate Source Identification and Nitrification-denitrification at the Sediment-water Interface].[沉积物-水界面硝酸盐来源识别及硝化-反硝化作用]
Huan Jing Ke Xue. 2017 Apr 8;38(4):1423-1430. doi: 10.13227/j.hjkx.201606116.
10
Vertical distribution of denitrification in an estuarine sediment: integrating sediment flowthrough reactor experiments and microprofiling via reactive transport modeling.河口沉积物中反硝化作用的垂直分布：通过反应性输运模型整合沉积物流通式反应器实验和微剖面分析
Appl Environ Microbiol. 2007 Jan;73(1):40-7. doi: 10.1128/AEM.01442-06. Epub 2006 Oct 27.
引用本文的文献
1
Cold seeps are potential hotspots of deep-sea nitrogen loss driven by microorganisms across 21 phyla.冷泉是由21个门的微生物驱动的深海氮流失潜在热点。
Nat Commun. 2025 Feb 14;16(1):1646. doi: 10.1038/s41467-025-56774-1.
2
Potential coupling of microbial methane, nitrogen, and sulphur cycling in the Okinawa Trough cold seep sediments.冲绳海槽冷泉沉积物中微生物甲烷、氮和硫循环的潜在耦合。
Microbiol Spectr. 2024 Jun 4;12(6):e0349023. doi: 10.1128/spectrum.03490-23. Epub 2024 May 1.
3
A Reduced F-Dependent Nitrite Reductase in an Anaerobic Methanotrophic Archaeon.一种厌氧甲烷营养古菌中的依赖 F 的亚硝酸盐还原酶减少。
J Bacteriol. 2022 Jul 19;204(7):e0007822. doi: 10.1128/jb.00078-22. Epub 2022 Jun 13.
4
Comparative genomics reveals electron transfer and syntrophic mechanisms differentiating methanotrophic and methanogenic archaea.比较基因组学揭示了区分甲烷营养型古菌和产甲烷古菌的电子传递及互营机制。
PLoS Biol. 2022 Jan 5;20(1):e3001508. doi: 10.1371/journal.pbio.3001508. eCollection 2022 Jan.
5
Genomic, transcriptomic, and proteomic insights into the symbiosis of deep-sea tubeworm holobionts.深海管蠕虫共生体共生关系的基因组、转录组和蛋白质组研究进展。
ISME J. 2020 Jan;14(1):135-150. doi: 10.1038/s41396-019-0520-y. Epub 2019 Oct 8.
6
Endosymbiont genomes yield clues of tubeworm success.共生体基因组为管蠕虫的成功提供了线索。
ISME J. 2018 Nov;12(11):2785-2795. doi: 10.1038/s41396-018-0220-z. Epub 2018 Jul 18.
7
Microbial community changes along the active seepage site of one cold seep in the Red Sea.红海一处冷泉活跃渗漏点沿线的微生物群落变化
Front Microbiol. 2015 Jul 21;6:739. doi: 10.3389/fmicb.2015.00739. eCollection 2015.
8
Nitrate-based niche differentiation by distinct sulfate-reducing bacteria involved in the anaerobic oxidation of methane.硝酸盐依赖型生态位分化由参与甲烷厌氧氧化的独特硫酸盐还原菌完成。
ISME J. 2014 Jan;8(1):150-63. doi: 10.1038/ismej.2013.147. Epub 2013 Sep 5.
9
Presence and diversity of anammox bacteria in cold hydrocarbon-rich seeps and hydrothermal vent sediments of the Guaymas Basin.古亚玛斯盆地基岩富碳冷烃渗漏区和热液喷口沉积物中厌氧氨氧化菌的存在与多样性。
Front Microbiol. 2013 Aug 2;4:219. doi: 10.3389/fmicb.2013.00219. eCollection 2013.
10
Denitrification and environmental factors influencing nitrate removal in Guaymas Basin hydrothermally altered sediments.瓜伊马斯盆地热液蚀变沉积物中硝酸盐去除的反硝化作用及环境影响因素
Front Microbiol. 2012 Oct 25;3:377. doi: 10.3389/fmicb.2012.00377. eCollection 2012.
本文引用的文献
1
Measuring temporal variability in pore-fluid chemistry to assess gas hydrate stability: development of a continuous pore-fluid array.
Environ Sci Technol. 2008 Oct 1;42(19):7368-73. doi: 10.1021/es801195m.
2
High Nitrate Concentrations in Vacuolate, Autotrophic Marine Beggiatoa spp.富含硝酸盐的空泡自养海洋贝氏硫菌属（Beggiatoa spp.）
Appl Environ Microbiol. 1996 Mar;62(3):954-8. doi: 10.1128/aem.62.3.954-958.1996.
3
Temperature-driven decoupling of key phases of organic matter degradation in marine sediments.温度驱动的海洋沉积物中有机物降解关键阶段的解耦
Proc Natl Acad Sci U S A. 2005 Nov 22;102(47):17036-40. doi: 10.1073/pnas.0508798102. Epub 2005 Nov 14.
4
Impact of bacterial NO3(-) transport on sediment biogeochemistry.细菌硝酸盐（NO3-）转运对沉积物生物地球化学的影响。
Appl Environ Microbiol. 2005 Nov;71(11):7575-7. doi: 10.1128/AEM.71.11.7575-7577.2005.
5
Anaerobic biodegradation of saturated and aromatic hydrocarbons.饱和烃和芳烃的厌氧生物降解
Curr Opin Biotechnol. 2001 Jun;12(3):259-76. doi: 10.1016/s0958-1669(00)00209-3.
Zotero 插件