Collaborative Research: Microbes need frenemies: unveiling microbial relationships with protists and viruses that support deep-sea hydrothermal vent food webs

合作研究:微生物需要亦敌亦友:揭示微生物与支持深海热液喷口食物网的原生生物和病毒的关系

基本信息

  • 批准号:
    2327203
  • 负责人:
  • 金额:
    $ 34.13万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2023
  • 资助国家:
    美国
  • 起止时间:
    2023-04-01 至 2025-06-30
  • 项目状态:
    未结题

项目摘要

Non-technical abstractEcological interactions among microbes (bacteria and archaea), viruses, and eukaryotic microorganisms are critical junctions in marine food webs. These interactions range from mutually beneficial relationships to sources of microbial mortality. Interactions between viruses-microbes and eukaryotes-microbes at deep-sea hydrothermal vents impact local carbon cycling. This project aims to identify these microbial interactions, specifically those related to cell death by protistan grazing or viral lysis, and explore how they vary across different hydrothermal vent habitats. By providing a better understanding of the composition and nature of these relationships, the investigators aim to build a better food web model of deep-sea hydrothermal vents and improve our understanding of how climate change and other human activities impact the ecosystem. Outcomes from this project include the generation of new microbiology, oceanography, and computer science curricula targeted at community college students. In addition, it involves research with undergraduate students at all stages of the research process and provides opportunities for professional development and peer-to-peer mentoring.Technical abstractThis project examines trophic interactions among microbial eukaryotes, viruses, bacteria, and archaea at deep-sea hydrothermal vents using metagenomics and metatranscriptomics and characterizes these ecologically-significant interactions, such as mutualism, predator-prey, or virus-host. The investigators are sequencing samples collected to target archaea/bacteria, viruses, and eukaryotic grazers during a 2020 expedition to the Mid-Cayman Rise hydrothermal vent field to accomplish these goals. Specific aims of this project are to 1) Investigate the microbial, viral, and protistan assemblages and determine how lifestyle, community composition, and metabolism vary across venting fluids of the Mid-Cayman Rise; and 2) Identify ecologically-significant interactions among protists, viruses, bacteria, and archaea and incorporate these interactions into a model for turnover and exchange of carbon in the vent-associated food web. By modeling how trophic interactions influence microbial mortality, the proposed project substantially contributes to our understanding of the fate of carbon in one of the most productive ecosystems of the deep seaThis award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
非技术摘要微生物(细菌和古菌)、病毒和真核微生物之间的生态相互作用是海洋食物网中的关键节点。这些相互作用的范围从互惠互利的关系到微生物死亡率的来源。深海热液喷口的病毒-微生物和真核生物-微生物之间的相互作用影响着当地的碳循环。该项目旨在确定这些微生物的相互作用,特别是那些与原生生物放牧或病毒裂解导致的细胞死亡有关的微生物,并探索它们如何在不同的热液喷口生境中变化。通过更好地了解这些关系的组成和性质,研究人员的目标是建立一个更好的深海热液喷口食物网模型,并提高我们对气候变化和其他人类活动如何影响生态系统的理解。该项目的成果包括针对社区大学学生的微生物学、海洋学和计算机科学新课程的产生。此外,它还包括在研究过程的所有阶段与本科生进行研究,并提供专业发展和对等指导的机会。技术摘要本项目利用元基因组学和元转录组学研究深海热液喷口微生物、病毒、细菌和古菌之间的营养相互作用,并表征这些具有生态意义的相互作用,如互惠关系、捕食者-猎物或病毒-宿主。为了实现这些目标,研究人员正在对2020年前往开曼海隆中部热液喷口探险队期间收集的古生菌/细菌、病毒和真核食草动物样本进行测序。该项目的具体目标是1)调查微生物、病毒和原生生物的组合,并确定生活方式、群落组成和新陈代谢如何在开曼隆起中部的喷口流体中发生变化;以及2)确定原生生物、病毒、细菌和古生菌之间具有生态意义的相互作用,并将这些相互作用纳入与喷口相关的食物网中碳的周转和交换模型。通过建模营养相互作用如何影响微生物死亡率,拟议的项目大大有助于我们了解深海最具生产力的生态系统之一的碳的命运。该奖项反映了NSF的法定使命,并通过使用基金会的智力优势和更广泛的影响审查标准进行评估,被认为值得支持。

项目成果

期刊论文数量(1)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Globally‐distributed microbial eukaryotes exhibit endemism at deep‐sea hydrothermal vents
全球分布的微生物真核生物在深海热液喷口表现出特有现象
  • DOI:
    10.1111/mec.16745
  • 发表时间:
    2022
  • 期刊:
  • 影响因子:
    4.9
  • 作者:
    Hu, Sarah K.;Smith, Amy R.;Anderson, Rika E.;Sylva, Sean P.;Setzer, Michaela;Steadmon, Maria;Frank, Kiana L.;Chan, Eric W.;Lim, Darlene S. S.;German, Christopher R.
  • 通讯作者:
    German, Christopher R.
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Sarah Hu其他文献

Su1740 TOPICAL SPHINGOSINE-1-PHOSPHATE (S1P) RECEPTOR 1 MODULATION REGULATES GUT ANGIOGENESIS IN INFLAMMATORY BOWEL DISEASES
  • DOI:
    10.1016/s0016-5085(24)02304-7
  • 发表时间:
    2024-05-18
  • 期刊:
  • 影响因子:
  • 作者:
    Jie Wang;Gail A. West;Sinan Lin;Pranab K. Mukherjee;Rachel Maddux;Chun Wu;Sarah Hu;Quang Tam Nguyen;Doug Czarnecki;Thi Hong Nga Le;Ren Mao;Jyotsna Chandra;Shaomin Hu;Ilyssa O. Gordon;AnnKatrin Petersen;Sarah Harris;Florian Rieder
  • 通讯作者:
    Florian Rieder
Nex-T <sup>TM</sup> Cluster of Differentiation 19 (CD19) Chimeric Antigen Receptor (CAR) T-Cell Therapy BMS-986353 (CC-97540): Comparative Analysis of Baseline Patient Data from Trials in Systemic Lupus Erythematosus (SLE) and Relapsed/Refractory Large B-Cell Lymphoma (R/R LBCL) Related to Manufacturability and Potential Safety
  • DOI:
    10.1182/blood-2023-174276
  • 发表时间:
    2023-11-02
  • 期刊:
  • 影响因子:
  • 作者:
    Fabian Mueller;Julie Rytlewski;Chun Wu;Sarah Hu;Ashley Koegel;Nikolay Delev;Ana Kostic;Vaishali Shah;Thomas Wegman;Georg Schett
  • 通讯作者:
    Georg Schett
Nex-T supTM/sup Cluster of Differentiation 19 (CD19) Chimeric Antigen Receptor (CAR) T-Cell Therapy BMS-986353 (CC-97540): Comparative Analysis of Baseline Patient Data from Trials in Systemic Lupus Erythematosus (SLE) and Relapsed/Refractory Large B-Cell Lymphoma (R/R LBCL) Related to Manufacturability and Potential Safety
Nex-T 超 TM/sup 分化簇 19(CD19)嵌合抗原受体(CAR)T 细胞疗法 BMS-986353(CC-97540):系统性红斑狼疮(SLE)和复发/难治性大 B 细胞淋巴瘤(R/R LBCL)试验基线患者数据与可制造性和潜在安全性相关的比较分析
  • DOI:
    10.1182/blood-2023-174276
  • 发表时间:
    2023-11-02
  • 期刊:
  • 影响因子:
    23.100
  • 作者:
    Fabian Mueller;Julie Rytlewski;Chun Wu;Sarah Hu;Ashley Koegel;Nikolay Delev;Ana Kostic;Vaishali Shah;Thomas Wegman;Georg Schett
  • 通讯作者:
    Georg Schett
Tu1466: THE EFFECT OF OZANIMOD ON CIRCULATING NEUTROPHILS: RESULTS FROM THE TRUE NORTH STUDY OF PATIENTS WITH MODERATELY TO SEVERELY ACTIVE ULCERATIVE COLITIS
  • DOI:
    10.1016/s0016-5085(22)62304-7
  • 发表时间:
    2022-05-01
  • 期刊:
  • 影响因子:
  • 作者:
    Sarah Harris;Chun Wu;Yicong Li;Rachel Maddux;Sarah Hu;AnnKatrin Petersen
  • 通讯作者:
    AnnKatrin Petersen
Tu1880 IMPACT OF OZANIMOD (OZA) ON C-X-C MOTIF CHEMOKINE LIGAND 9 (CXCL9) LEVELS AND THE ASSOCIATION WITH OZA EFFICACY IN PATIENTS (PTS) WITH MODERATELY TO SEVERELY ACTIVE CROHN'S DISEASE (CD): RESULTS FROM THE PHASE 2 STEPSTONE STUDY
  • DOI:
    10.1016/s0016-5085(24)03781-8
  • 发表时间:
    2024-05-18
  • 期刊:
  • 影响因子:
  • 作者:
    Geert D'Haens;Jiangwei Zhang;Subrata Ghosh;Douglas C. Wolf;Brian G. Feagan;Rachel Maddux;Chun Wu;Sarah Hu;AnnKatrin Petersen;Sarah Harris
  • 通讯作者:
    Sarah Harris

Sarah Hu的其他文献

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{{ truncateString('Sarah Hu', 18)}}的其他基金

Collaborative Research: Microbes need frenemies: unveiling microbial relationships with protists and viruses that support deep-sea hydrothermal vent food webs
合作研究:微生物需要亦敌亦友:揭示微生物与支持深海热液喷口食物网的原生生物和病毒的关系
  • 批准号:
    2205192
  • 财政年份:
    2022
  • 资助金额:
    $ 34.13万
  • 项目类别:
    Standard Grant

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