Collaborative Research: Constitutive and Inducible Predation Defenses in Cyanobacteria

合作研究:蓝藻的组成型和诱导型捕食防御

基本信息

  • 批准号:
    1021189
  • 负责人:
  • 金额:
    $ 37.27万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2010
  • 资助国家:
    美国
  • 起止时间:
    2010-09-01 至 2015-08-31
  • 项目状态:
    已结题

项目摘要

Terrestrial plants have diverse and sophisticated mechanisms for defending against predation and pathogens, but the defenses of photosynthetic microbes in aquatic ecosystems are much less well understood. Synechococcus are aquatic/marine cyanobacteria that substantially contribute to global primary productivity. This project will employ two main approaches to study Synechococcus defenses against protist predators. Experiments will examine the mechanism(s) by which cell surface proteins provide a constitutive (continuously expressed) defense and assay the generality of this defense among Synechococcus strains and against diverse predator types. Secondly, co-culture techniques, in which Synechococcus are grown in the presence of predators, will be used to characterize protein-based induced defenses that may arise in response to predation. The formation of aggregates as a possible induced defense by Synechococcus will also be examined in field and laboratory settings. Aggregate formation is important for the biogeochemistry and ecological functioning of planktonic communities since aggregates can be the site of unique biogeochemical processes. The research is cross-cutting on a number of levels: it examines constitutive and induced defenses in both controlled laboratory and natural settings; it leverages the suite of available Synechococcus genomes to enable a mechanistic investigation of microbial defense processes; and it represents a synthesis of ecological and genomic approaches to the study of microbial interactions that are fundamental to biogeochemical cycling and the maintenance of biodiversity in aquatic ecosystems. Broader impacts of this project include support of graduate and undergraduate students, including ethnic minority participants in Shannon Point Marine Center's Multicultural Initiatives in Marine Science Undergraduate Program (MIMSUP). Other impacts include development of instructional modules for elementary and high school students, and maintenance and distribution of culture collections.
陆生植物具有多样而复杂的防御捕食和病原体的机制,但水生生态系统中光合微生物的防御机制却鲜为人知。聚球藻是水生/海洋蓝藻,对全球初级生产力有很大贡献。本计画将采用两种主要方法来研究聚球藻对原生生物捕食者的防御。实验将检查细胞表面蛋白质提供组成型(连续表达)防御的机制,并测定聚球藻菌株之间和针对不同捕食者类型的这种防御的一般性。其次,共培养技术,其中聚球藻生长在捕食者的存在下,将被用来表征蛋白质为基础的诱导防御,可能会出现在响应捕食。聚集体的形成作为一种可能的诱导防御聚球藻也将在现场和实验室环境中进行检查。团聚体的形成是重要的生态地球化学和生态功能的水生生物群落,因为团聚体可以是独特的生态地球化学过程的网站。该研究在多个层面上是交叉的:它在受控实验室和自然环境中检查了组成性和诱导性防御;它利用了可用的聚球藻基因组套件,以实现微生物防御过程的机械调查;它代表了生态学和基因组学方法的综合,以研究微生物相互作用,这是生物地球化学循环和生物多样性维持的基础。水生生态系统该项目的更广泛影响包括支持研究生和本科生,包括香农角海洋中心海洋科学本科生方案多文化倡议的少数民族参与者。其他影响包括为小学和高中学生开发教学模块,以及维护和分发文化收藏品。

项目成果

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Suzanne Strom其他文献

Preoperative evaluation, premedication, and induction of anesthesia in infants and children.
婴儿和儿童的术前评估、术前用药和麻醉诱导。
Commentaries on ‘Non‐pharmacological interventions for assisting the induction of anaesthesia in children’ with a response by the review authors
关于“辅助儿童麻醉诱导的非药物干预”的评论以及综述作者的回应
Teaching and Learning in Medicine : An International
医学教学:国际化
  • DOI:
  • 发表时间:
    2014
  • 期刊:
  • 影响因子:
    0
  • 作者:
    M. I. Langdorf;Suzanne Strom;Luanna Yang;Cecilia Canales;Craig L Anderson;Alpesh Amin;S. Lotfipour
  • 通讯作者:
    S. Lotfipour

Suzanne Strom的其他文献

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{{ truncateString('Suzanne Strom', 18)}}的其他基金

FSML: A culture facility for small marine organisms at Shannon Point Marine Center
FSML:香农角海洋中心的小型海洋生物养殖设施
  • 批准号:
    2014617
  • 财政年份:
    2020
  • 资助金额:
    $ 37.27万
  • 项目类别:
    Standard Grant
Environmental stress and signaling based on reactive oxygen species among planktonic protists
基于浮游原生生物活性氧的环境应激和信号传导
  • 批准号:
    1434842
  • 财政年份:
    2014
  • 资助金额:
    $ 37.27万
  • 项目类别:
    Standard Grant
Collaborative Research: Global-Pan Regional Synthesis: End-to-end energy budgets for USGLOBEC regions
合作研究:全球-泛区域综合:USGLOBEC 区域的端到端能源预算
  • 批准号:
    0814397
  • 财政年份:
    2008
  • 资助金额:
    $ 37.27万
  • 项目类别:
    Standard Grant
Collaborative Research: A Post-Genomic Approach to Synechococcus-grazer Interactions
合作研究:聚球藻-食草动物相互作用的后基因组方法
  • 批准号:
    0648572
  • 财政年份:
    2007
  • 资助金额:
    $ 37.27万
  • 项目类别:
    Standard Grant
Collaborative Research: Are diatoms chemically or mechanically defended against protist grazers?
合作研究:硅藻是否通过化学或机械方式防御原生食草动物?
  • 批准号:
    0551436
  • 财政年份:
    2006
  • 资助金额:
    $ 37.27万
  • 项目类别:
    Standard Grant
Collaborative Research: U.S. GLOBEC: NEP Phase IIIb-CGOA: Links between climate and planktonic food webs
合作研究:美国 GLOBEC:NEP 第三阶段 b-CGOA:气候与浮游食物网之间的联系
  • 批准号:
    0639093
  • 财政年份:
    2006
  • 资助金额:
    $ 37.27万
  • 项目类别:
    Standard Grant
Collaborative Proposal: Cross-Shelf Transport and Post-Bloom New Production Near the Pribilof Islands
合作提案:普里比洛夫群岛附近的跨货架运输和花后新生产
  • 批准号:
    0323150
  • 财政年份:
    2003
  • 资助金额:
    $ 37.27万
  • 项目类别:
    Standard Grant
Collaborative research: Investigation of a phytoplankton DMSP-based chemical defense system active against protist grazers
合作研究:研究基于浮游植物 DMSP 的针对原生食草动物的化学防御系统
  • 批准号:
    0324352
  • 财政年份:
    2003
  • 资助金额:
    $ 37.27万
  • 项目类别:
    Standard Grant
GLOBEC 2000: Responses of the Neocalanus spp. - Microplankton Community to Physical forcing in the Coastal Gulf of Alaska
GLOBEC 2000:Neocalanus spp 的反应。
  • 批准号:
    0101397
  • 财政年份:
    2001
  • 资助金额:
    $ 37.27万
  • 项目类别:
    Continuing Grant
Light-aided digestion of Phytoplankton Prey by Heterotrophic Protist Grazers
异养原生食草动物对浮游植物猎物的光辅助消化
  • 批准号:
    0002479
  • 财政年份:
    2000
  • 资助金额:
    $ 37.27万
  • 项目类别:
    Continuing Grant

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