Investigating oral pathogen virulence within complex oral biofilm communities

研究复杂口腔生物膜群落中口腔病原体的毒力

基本信息

项目摘要

DESCRIPTION (provided by applicant): The complex microbial communities that reside in the oral cavity are now accepted to play important roles in host health and disease. During the last 60 years of research the major focus of oral microbial ecology has been on single and dual species interactions. Even though a few studies include up to 10 species they are far from being representative of the human oral cavity that harbors approximately 700 bacterial species. Earlier studies show that nutritional factors especially carbohydrate intake and nitrogen sources greatly affect oral bacterial growth and their associations with health/disease. However, our understanding of these interactions at a community level is very limited and it is unclear to what extent we can translate the knowledge from studies of only a few species into a community context. This proposal seeks to understand how bacterial gene expression and signaling molecules orchestrate the development of both health and caries associated communities through dissection of transcriptional and metabolite networks that controls these processes. The ultimate goal is to understand how key metabolic interactions at low-pH contribute to the ecologically and clinically important properties of oral biofilms, such as selection for cariogenic bacteria, pH recovery in health associated communities, and cell-cell communication. The candidate, Dr. Edlund, has a longstanding interest and history in studying bacterial ecological functions in the environment and therefore, ecology studies of oral communities is a logical extension of her research. Her career trajectory after the mentored phase of this K99 is to become an assistant professor at a leading academic research institute, where she hopes to continue and further her research program on oral biofilms, perform teaching responsibilities, and train future scientists. Dr. Edlund believes that in the long-term, once more is known about how oral biofilms are regulated, her findings will provide important information to developing new drugs to treat and prevent oral diseases. This K99/R00 proposal is designed to complement Dr. Edlund's prior research experience and to provide her with substantive and necessary technical and intellectual expertise as well as the confidence to function as an independent investigator. The candidate will receive her K99 training at the renowned institution UCLA, which will put her in a prime position to move on to similarly ranked Universities. Dr. Edlund's choices of primary mentor, Dr. Shi, and co-mentors, Dr. Dorrestein and Dr. McLean were carefully selected for their relevant, diverse, and complementary expertise to cover all elements of her proposal. In addition, Dr. Edlund has assembled an advisory committee consisting of a diverse group of basic scientists and physicians to oversee her scientific progression and career development throughout her transition to becoming an independent investigator.
描述(由申请人提供):目前公认口腔中复杂的微生物群落在宿主健康和疾病中发挥重要作用。在过去60年的研究中,口腔微生物生态学的主要焦点一直是单种和双种相互作用。尽管少数研究包括多达10种细菌,但它们远远不能代表人类口腔中约700种细菌。早期的研究表明,营养因素,特别是碳水化合物的摄入和氮源,极大地影响口腔细菌的生长及其与健康/疾病的关系。然而,我们对这些相互作用在社区层面上的理解是非常有限的,目前还不清楚我们可以在多大程度上将知识从只有少数物种的研究转化为社区背景。该提案旨在了解细菌基因表达和信号分子如何通过解剖控制这些过程的转录和代谢物网络来协调健康和龋齿相关社区的发展。最终目标是了解低pH下的关键代谢相互作用如何影响口腔生物膜的生态学和临床重要特性,例如选择致龋性, 细菌,健康相关社区的pH恢复,以及细胞间通讯。 Edlund博士对研究环境中的细菌生态功能有着长期的兴趣和历史,因此,口腔群落的生态学研究是她研究的逻辑延伸。在K99的指导阶段之后,她的职业轨迹是成为一家领先的学术研究机构的助理教授,她希望在那里继续并进一步发展她的口腔生物膜研究计划,履行教学职责,并培养未来的科学家。Edlund博士认为,从长远来看,一旦更多地了解口腔生物膜是如何调节的,她的发现将为开发治疗和预防口腔疾病的新药提供重要信息。 本K99/R 00提案旨在补充Edlund博士先前的研究经验,并为她提供实质性和必要的技术和知识专长,以及作为独立研究者的信心。候选人将在著名的加州大学洛杉矶分校接受K99培训,这将使她处于进入类似排名的大学的首要位置。Edlund博士选择的主要导师Shi博士以及共同导师Dorrestein博士和姆克林博士都是经过精心挑选的,因为他们的专业知识相关、多样且互补,涵盖了她的提案的所有要素。此外,Edlund博士还组建了一个由基础科学家和医生组成的咨询委员会,以监督她在成为独立研究者的整个过渡过程中的科学进展和职业发展。

项目成果

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Anna Elisabet Edlund其他文献

Anna Elisabet Edlund的其他文献

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{{ truncateString('Anna Elisabet Edlund', 18)}}的其他基金

Investigating oral pathogen virulence within complex oral biofilm communities
研究复杂口腔生物膜群落中口腔病原体的毒力
  • 批准号:
    8882392
  • 财政年份:
    2014
  • 资助金额:
    $ 9.42万
  • 项目类别:

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