IntBIO: Collaborative Research: Integrating nanobiotechnologies to understand the role of nitro-oxidative stress in the coral-dinoflagellate mutualistic symbiosis dynamics

IntBIO:合作研究:整合纳米生物技术来了解硝基氧化应激在珊瑚-甲藻互利共生动态中的作用

基本信息

  • 批准号:
    2316390
  • 负责人:
  • 金额:
    $ 36.62万
  • 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:
    2023-08-01 至 2026-07-31
  • 项目状态:
    未结题

项目摘要

Understanding the complex processes that occur inside cells when reef-building corals are exposed to stressful conditions is essential to guiding future conservation efforts and engineering solutions for the survival of coral reefs. This project will focus on the relationship between corals and the microscopic algae living in their tissue, especially the accumulation and exchange of very reactive molecules (known as free-radicals) during periods of stress, which can have damaging effects on cells at high doses. The symbiosis between coral and algae is crucial for coral reef survival. As conditions in Earth’s oceans change, this symbiosis becomes unstable, such that extreme conditions like marine heat waves lead to expulsion of algae from the coral tissue, turning corals white to the naked eye, a condition known as "coral bleaching." This research will use a multidisciplinary approach--combining marine biology, molecular sciences, ecophysiology, physics, nanoengineering, and 3D fabrication--to explore how free-radical concentrations and dynamics within the complex coral-algae symbiosis may contribute to coral bleaching. The scientific training and outreach involved in this project will strive to engage with various groups to promoted integrative multidisciplinary STEM methodology and literacy for tackling complex contemporary challenges.Mass coral bleaching events have increased in frequency and severity. However, the mechanism leading to the breakdown of symbiosis (dysbiosis) is still poorly characterized. The accumulation of free-radicals is understood to be a primary driver of dysbiosis. In this project, researchers will first study the cellular response in isolation and symbiosis of both the coral cells and the dinoflagellate algae cells to create a 3D physical biohybrid coral model. The model will be composed of a hard base mimicking the coral skeleton and bioink combined with coral and algae cells mimicking the coral tissue. This model will allow researchers to study the changes inside the cells and the bioink at high resolution under different conditions, including during stress levels associated with bleaching, according to cell type, cell density and tissue architecture. The characterization toolkit will consist of advanced microscopy, gene expression, metabolomics, nanoprobe measurements, material characterization, computational modeling, 3D printing and 3D bioprinting. Amongst the expected outcomes, researchers anticipate this project will profoundly transform our understanding of free-radical dynamics in symbiotic organisms in relation to the coral tissue microenvironment.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.
了解当造礁珊瑚暴露在压力条件下时细胞内发生的复杂过程对于指导未来的保护工作和珊瑚礁生存的工程解决方案至关重要。该项目将侧重于珊瑚和生活在其组织中的微观藻类之间的关系,特别是在压力期间非常活跃的分子(称为自由基)的积累和交换,这可能对高剂量的细胞产生破坏性影响。珊瑚和藻类之间的共生关系对珊瑚礁的生存至关重要。随着地球海洋条件的变化,这种共生关系变得不稳定,例如海洋热浪等极端条件导致藻类从珊瑚组织中排出,使珊瑚变成肉眼可见的白色,这种情况被称为“珊瑚漂白”。“这项研究将使用多学科方法-结合海洋生物学,分子科学,生态生理学,物理学,纳米工程和3D制造-探索复杂的珊瑚-藻类共生关系中的自由基浓度和动力学如何有助于珊瑚漂白。该项目所涉及的科学培训和外联活动将努力与各团体合作,促进综合性多学科STEM方法和扫盲,以应对当代复杂的挑战。然而,导致共生(生态失调)崩溃的机制仍然很差的特点。自由基的积累被认为是生态失调的主要驱动力。在这个项目中,研究人员将首先研究珊瑚细胞和甲藻细胞的隔离和共生的细胞反应,以创建一个3D物理生物杂交珊瑚模型。该模型将由模拟珊瑚骨架的硬基底和模拟珊瑚组织的珊瑚和藻类细胞结合的生物墨水组成。该模型将允许研究人员根据细胞类型,细胞密度和组织结构,在不同条件下以高分辨率研究细胞和生物墨水内部的变化,包括在与漂白相关的压力水平期间。表征工具包将包括先进的显微镜,基因表达,代谢组学,纳米探针测量,材料表征,计算建模,3D打印和3D生物打印。在预期的成果中,研究人员预计该项目将深刻地改变我们对共生生物体中与珊瑚组织微环境相关的自由基动力学的理解。该奖项反映了NSF的法定使命,并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,被认为值得支持。

项目成果

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Hollie Putnam其他文献

Towards Social Justice Through Arts and Language-Based Learning
通过艺术和语言学习实现社会正义
  • DOI:
    10.4018/978-1-7998-5098-4.ch005
  • 发表时间:
    2020
  • 期刊:
  • 影响因子:
    0
  • 作者:
    R. Sánchez;Karla V. Kingsley;A. Sweet;E. Waldschmidt;Carlos A. LópezLeiva;Leila Flores;Nancy Pauly;Sylvia Celedón;Hollie Putnam
  • 通讯作者:
    Hollie Putnam
Teacher Candidates Fostering Cultural and Linguistic Identities Through Arts Integration
教师候选人通过艺术融合培养文化和语言认同
  • DOI:
    10.4018/978-1-7998-3652-0.ch003
  • 发表时间:
    2021
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Carlos A. LópezLeiva;R. Sánchez;Nancy Pauly;E. Waldschmidt;A. Sweet;Karla V. Kingsley;L. Dueñas;Sylvia Celedón;Hollie Putnam
  • 通讯作者:
    Hollie Putnam

Hollie Putnam的其他文献

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{{ truncateString('Hollie Putnam', 18)}}的其他基金

RAPID: Coral reproduction following mass corallivore outbreak and offspring tolerance during El Nino modulates reef recovery
快速:大规模珊瑚食动物爆发后的珊瑚繁殖和厄尔尼诺期间后代的耐受性调节珊瑚礁恢复
  • 批准号:
    2348674
  • 财政年份:
    2023
  • 资助金额:
    $ 36.62万
  • 项目类别:
    Standard Grant
RAPID: Collaborative Research: Disentangling the effects of heat stress versus bleaching phenotype on coral performance
RAPID:合作研究:解开热应激与白化表型对珊瑚性能的影响
  • 批准号:
    2103067
  • 财政年份:
    2020
  • 资助金额:
    $ 36.62万
  • 项目类别:
    Standard Grant
HDR: DIRSE-IL: COLLABORATIVE RESEARCH: Harnessing data advances in systems biology to design a biological 3D printer: The synthetic coral
HDR:DIRSE-IL:协作研究:利用系统生物学的数据进步来设计生物 3D 打印机:合成珊瑚
  • 批准号:
    1939795
  • 财政年份:
    2019
  • 资助金额:
    $ 36.62万
  • 项目类别:
    Continuing Grant
COLLABORATIVE RESEARCH: URoL : Epigenetics 2: Predicting phenotypic and eco-evolutionary consequences of environmental-energetic-epigenetic linkages
合作研究:URoL:表观遗传学 2:预测环境-能量-表观遗传联系的表型和生态进化后果
  • 批准号:
    1921465
  • 财政年份:
    2019
  • 资助金额:
    $ 36.62万
  • 项目类别:
    Standard Grant
NSFOCE-BSF: COLLABORATIVE RESEARCH: Elucidating adaptive potential through coral holobiont functional integration
NSFOCE-BSF:合作研究:通过珊瑚全生物功能整合阐明适应性潜力
  • 批准号:
    1756623
  • 财政年份:
    2018
  • 资助金额:
    $ 36.62万
  • 项目类别:
    Standard Grant
NSF East Asia Summer Institutes for US Graduate Students
NSF 东亚美国研究生暑期学院
  • 批准号:
    0714434
  • 财政年份:
    2007
  • 资助金额:
    $ 36.62万
  • 项目类别:
    Fellowship

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合作研究:IntBIO:精英潜水哺乳动物的微水平氧运输机制:毛细血管红细胞到肌纤维
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