Collaborative Research: BEE: Bridging the ecology and evolution of East African Acacias across time and space: genomics, ecosystem, and diversification

合作研究:BEE:跨越时间和空间连接东非金合欢的生态和进化:基因组学、生态系统和多样化

基本信息

项目摘要

The physical attributes and behaviors of species are shaped by evolution. These traits determine how individuals interact with their environment (ecology) which then influences the course of evolution. Thus, ecology and evolution are inextricably intertwined. Bridging the fields of evolution and ecology is challenging because the processes involved can operate on similar, or very different, time scales. African savanna acacia trees have evolved to survive and reproduce under harsh conditions not tolerated by many other tree species. Acacias can tolerate fires, droughts, herbivory by giraffes and elephants, and competition from other plants. But how acacias have adapted to these conditions in the past will influence their response to the current changing environment on the African continent. The goal of this study is to develop a comprehensive understanding of the evolutionary history and ecological distribution of African acacias and to explore how species traits and distributions changed over time in response to change in the savanna climate. Ultimately, this knowledge will inform predictions about how acacia habitats will be affected by ongoing climate change. This project not only has broader societal benefit but also it will train undergraduate and graduate students and postdoctoral fellows in evolutionary biology, ecology, plant physiology, and molecular genomics. In addition, the project will expand the content and reach of a successful undergraduate teaching module of ecology and evolution featuring Serengeti National Park and will begin a new bioinformatics training course in partnership with universities in Africa.This project will bridge phylogenetic approaches to diversification with direct ecological field measurement of trait responses and gene expression. The activities include: (1) constructing new, detailed models of the phylogenetic history and ecological distribution of species and traits in the African Acacia Clade, (2) using phylogenomic analyses to study selection, introgression, and gene family expansion in relation to the Savanna Syndrome, (3) measuring acacia trait responses to Savanna Syndrome components (drought, fire, herbivory, grass competition) in a common garden experiment in Arusha, Tanzania, and (4) analyzing the molecular aspects of the phenotypic response through analysis of acacia transcriptomic profiles collected both on site in Tanzania and in controlled greenhouse experiments. Collectively, these linked lines of evidence will provide crucial information about the past evolution of the savanna community, the rapid rise of savannas across Africa that occurred in the Miocene, and its likely response to present ecological change.This 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.
物种的物理属性和行为是由进化塑造的。这些特征决定了个体如何与环境(生态)互动,从而影响进化的过程。因此,生态学和进化是密不可分的。将进化和生态学领域联系起来是一项挑战,因为所涉及的过程可以在相似或非常不同的时间尺度上运作。非洲稀树草原金合欢树已经进化到在许多其他树种无法忍受的恶劣条件下生存和繁殖。阿卡西亚斯可以忍受火灾、干旱、长颈鹿和大象的食草动物以及其他植物的竞争。但阿卡西亚斯过去如何适应这些条件将影响它们对非洲大陆目前不断变化的环境的反应。本研究的目标是发展一个全面的了解非洲阿卡西亚斯的进化历史和生态分布,并探讨如何物种特征和分布随时间的变化,在热带草原气候的变化。最终,这些知识将为预测相思树栖息地将如何受到持续气候变化的影响提供信息。该项目不仅具有广泛的社会效益,而且将培养进化生物学、生态学、植物生理学和分子基因组学方面的本科生、研究生和博士后研究员。此外,该项目还将扩大以塞伦盖蒂国家公园为特色的生态学和进化的成功本科生教学单元的内容和范围,并将与非洲各大学合作,开始新的生物信息学培训课程,该项目将把系统发育方法与性状反应和基因表达的直接生态实地测量联系起来,以实现多样化。这些活动包括:(1)构建非洲相思树分支中物种和性状的系统发育历史和生态分布的新的详细模型,(2)使用RAPD基因组分析来研究与稀树草原综合征相关的选择、渐渗和基因家族扩展,(3)测量相思树性状对稀树草原综合征组分的响应(干旱,火灾,食草动物,草竞争)在坦桑尼亚阿鲁沙的一个普通花园实验中,以及(4)通过分析在坦桑尼亚现场和受控温室中收集的金合欢转录组学图谱,分析表型反应的分子方面实验总的来说,这些相互联系的证据将提供有关稀树草原群落过去演变的重要信息,中新世发生的非洲稀树草原的迅速崛起,以及对当前生态变化的可能反应。该奖项反映了NSF的法定使命,并被认为值得通过使用基金会的知识价值和更广泛的影响审查标准进行评估来支持。

项目成果

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Stephen Smith其他文献

Highway Corridor Transformation Research Study - Proof of Concept
公路走廊改造研究 - 概念验证
  • DOI:
  • 发表时间:
    2016
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Donald Carter;Stephen Quick;Stephen Smith;C. Mondor;P. Folan
  • 通讯作者:
    P. Folan
Online Video Teletherapy Treatment of Obsessive-Compulsive Disorder Using Exposure and Response Prevention: Clinical Outcomes From a Retrospective Longitudinal Observational Study
使用暴露和反应预防的在线视频远程治疗治疗强迫症:回顾性纵向观察研究的临床结果
  • DOI:
    10.2196/preprints.36431
  • 发表时间:
    2022
  • 期刊:
  • 影响因子:
    7.4
  • 作者:
    Jamie D. Feusner;Nicholas R. Farrell;Jeremy Kreyling;P. McGrath;A. Rhode;T. Faneuff;S. Lonsway;R. Mohideen;J. Jurich;L. Trusky;Stephen Smith
  • 通讯作者:
    Stephen Smith
Safe Schools, Positive Behavior Supports, and Mental Health Supports
安全学校、积极行为支持和心理健康支持
  • DOI:
    10.1300/j202v06n02_06
  • 发表时间:
    2007
  • 期刊:
  • 影响因子:
    2.4
  • 作者:
    J. Sprague;Vicki M. Nishioka;Stephen Smith
  • 通讯作者:
    Stephen Smith
COMMISSIONING AND PERFORMANCE OF LCLS CAVITY BPMS
LCLS 腔 BPMS 的调试和性能
  • DOI:
  • 发表时间:
    2010
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Stephen Smith;S. Hoobler;Ronald G. Johnson;T. Straumann;A. Young;A. U.S;R. Lill;L. Morrison;E. Norum;N. Sereno;G. Waldschmidt;Dean;Walters
  • 通讯作者:
    Walters
‘A lot more to learn than where babies come from’: controversy, language and agenda setting in the framing of school-based sexuality education curricula in Australia
“需要学习的东西比婴儿从哪里来的多得多”:澳大利亚学校性教育课程框架中的争议、语言和议程设置
  • DOI:
  • 发表时间:
    2015
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Barrie Shannon;Stephen Smith
  • 通讯作者:
    Stephen Smith

Stephen Smith的其他文献

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{{ truncateString('Stephen Smith', 18)}}的其他基金

Collaborative Research: BoCP-Implementation: Integrating Traits, Phylogenies and Distributional Data to Forecast Risks and Resilience of North American Plants
合作研究:BoCP-实施:整合性状、系统发育和分布数据来预测北美植物的风险和恢复力
  • 批准号:
    2325835
  • 财政年份:
    2024
  • 资助金额:
    $ 31.44万
  • 项目类别:
    Standard Grant
IntBIO COLLABORATIVE RESEARCH: Integrating fossils, genomics, and machine learning to reveal drivers of Cretaceous innovations in flowering plants
IntBIO 协作研究:整合化石、基因组学和机器学习,揭示白垩纪开花植物创新的驱动因素
  • 批准号:
    2217116
  • 财政年份:
    2022
  • 资助金额:
    $ 31.44万
  • 项目类别:
    Standard Grant
NSFDEB-NERC: Collaborative research: Plant chemistry and its impact on diversification and habitat of plants adapted to extreme environments
NSFDEB-NERC:合作研究:植物化学及其对适应极端环境的植物多样化和栖息地的影响
  • 批准号:
    1938969
  • 财政年份:
    2020
  • 资助金额:
    $ 31.44万
  • 项目类别:
    Standard Grant
RAPID: Algorithms and Heuristics for Remote Food Delivery under Social Distancing Constraints
RAPID:社交距离约束下远程食品配送的算法和启发式
  • 批准号:
    2032262
  • 财政年份:
    2020
  • 资助金额:
    $ 31.44万
  • 项目类别:
    Standard Grant
CIBR: Collaborative Research: Integrating data communities with BiotaPhy: a computational platform for data-intensive biodiversity research and training
CIBR:协作研究:将数据社区与 BiotaPhy 相集成:用于数据密集型生物多样性研究和培训的计算平台
  • 批准号:
    1930030
  • 财政年份:
    2019
  • 资助金额:
    $ 31.44万
  • 项目类别:
    Standard Grant
Collaborative Research: Temperate radiations and tropical dominance: the diversification and evolution of the plant clade Ericales
合作研究:温带辐射和热带优势:植物分支杜鹃花目的多样化和进化
  • 批准号:
    1917146
  • 财政年份:
    2019
  • 资助金额:
    $ 31.44万
  • 项目类别:
    Standard Grant
Computational Analysis of Transcription and Alternative Splicing Events in Squamous Cell Cancer.
鳞状细胞癌转录和选择性剪接事件的计算分析。
  • 批准号:
    MR/R001146/1
  • 财政年份:
    2018
  • 资助金额:
    $ 31.44万
  • 项目类别:
    Fellowship
IIS-RI: ICAPS 2016 Doctoral Consortium Travel Awards
IIS-RI:ICAPS 2016 博士联盟旅行奖
  • 批准号:
    1630144
  • 财政年份:
    2016
  • 资助金额:
    $ 31.44万
  • 项目类别:
    Standard Grant
Collaborative Research: School Segregation and Resegregation: Using Case Studies and Public Polls to Understand Citizen Attitudes
合作研究:学校隔离和重新隔离:利用案例研究和公众民意调查来了解公民的态度
  • 批准号:
    1527762
  • 财政年份:
    2015
  • 资助金额:
    $ 31.44万
  • 项目类别:
    Standard Grant
Collaborative Research: ABI Innovation: Connecting resources to enable large-scale biodiversity analyses.
合作研究:ABI 创新:连接资源以实现大规模生物多样性分析。
  • 批准号:
    1458466
  • 财政年份:
    2015
  • 资助金额:
    $ 31.44万
  • 项目类别:
    Standard Grant

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Collaborative Research: Digitization TCN: iDigBees Network, Towards Complete Digitization of US Bee Collections to Promote Ecological and Evolutionary Research in a Keystone Clade
合作研究:数字化 TCN:iDigBees 网络,实现美国蜜蜂收藏的完全数字化,以促进重点进化枝的生态和进化研究
  • 批准号:
    2216936
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合作研究:BEE:多元互惠社区的生态和共同进化反馈
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