NSF Postdoctoral Fellowship in Biology FY 2020: NSF Postdoctoral Fellowship in Biology FY 2020: Requirement for N-Acetylglucosamine Transporters in Arbuscular Mycorrhizal Symbiosis

2020 财年 NSF 生物学博士后奖学金:2020 财年 NSF 生物学博士后奖学金:丛枝菌根共生中 N-乙酰氨基葡萄糖转运蛋白的要求

基本信息

  • 批准号:
    2010882
  • 负责人:
  • 金额:
    $ 21.6万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Fellowship Award
  • 财政年份:
    2020
  • 资助国家:
    美国
  • 起止时间:
    2020-07-01 至 2024-04-30
  • 项目状态:
    已结题

项目摘要

This action funds an NSF National Plant Genome Initiative Postdoctoral Research Fellowship in Biology for FY 2020. The fellowship supports a research and training plan in a host laboratory for the Fellow who also presents a plan to broaden participation in biology. The title of the research and training plan for this fellowship to Sarabeth Buckley is "Requirement for N-Acetylglucosamine Transporters in Arbuscular Mycorrhizal Symbiosis" The host institution for the fellowship is the Cambridge University, UK, and the sponsoring scientist is Dr. Uta Paszkowski.This research studies how plants and mycorrhizae, a soil fungus, communicate to form a symbiosis. Mycorrhizae attach to roots of most plants and help them grow. The plant provides the mycorrhizae with carbohydrates and the mycorrhizae provides plant roots with nutrients. To start this relationship, the plants and mycorrhizae communicate by sending chemical signals to each other, which are not fully understood. This project studies a protein in plants that is likely the first protein a plant needs to start communication. If the puzzle pieces of the entire process of communication can be identified and put together, that knowledge could be used to make plants grow better by enhancing this connection or introducing pieces of it to other plants. Increasing plant growth sustainably could help agricultural systems work with nature to grow more food and use carbon from the atmosphere. This training will provide critical skills as the fellow transitions from studying environmental science to plant molecular biology. Results from this research will be shared with the science community through conferences, but also the local community through programs such as those that increase opportunities for young women in science.The protein of interest, NOPE1, is a N-acetylglucosamine (GlcNAc) transporter in plant roots. In mycorrhizae there is a homologous protein, NGT1. In the absence of NOPE1 a symbiosis between mycorrhizal fungus and roots cannot be established. This study answers 1. Are NOPE1 and NGT1 both essential for establishing a symbiosis and where are they expressed? 2. What is the signaling molecule transported by both? 3. How are molecules transported? It is hypothesized that: 1. Both NOPE1 and NGT1 are essential and are expressed close to where colonization occurs. 2. The molecules transported by NOPE1 and NGT1 are from both plants and fungi and are similar to N-acetylglucosamine. 3. NOPE1 and NGT1 transport these molecules both in and out of plant and fungus. Through this study the fellow will learn and use gene silencing, in situ hybridization, fluorescent tagging, and multiphoton confocal microscopy to observe gene expression. Relevant genes will be transferred to xenopus oocyte and to apply electro-physiological techniques in the presence of candidate molecules. Unknown molecules will be identified using LC-MS and NMR. RNAseq transcriptome analysis will provide insight into dynamics of downstream effects.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.
这一行动为NSF国家植物基因组计划2020财年生物学博士后研究奖学金提供了资金。该奖学金支持在东道主实验室为该研究员制定的研究和培训计划,该研究员还提出了扩大生物学参与度的计划。这项奖学金的研究和培训计划的标题是《丛枝菌根共生中对N-乙酰氨基葡萄糖转运蛋白的要求》。该奖学金的主办机构是英国剑桥大学,赞助科学家是Uta Paszkowsk.博士。这项研究研究植物和土壤真菌菌根是如何沟通形成共生的。菌根附着在大多数植物的根上,帮助它们生长。植物为菌根提供碳水化合物,菌根为植物根提供营养。为了开始这种关系,植物和菌根通过相互发送化学信号来进行交流,这些信号还没有完全被理解。这个项目研究植物中的一种蛋白质,它可能是植物开始交流所需的第一种蛋白质。如果整个交流过程的拼图片段能够被识别并组合在一起,那么这些知识就可以用来通过加强这种联系或将它的片段引入其他植物来使植物生长得更好。可持续地增加植物生长可以帮助农业系统与自然合作,种植更多的粮食并利用大气中的碳。随着研究员从学习环境科学过渡到植物分子生物学,这一培训将提供关键技能。这项研究的结果将通过会议与科学界分享,也将通过增加年轻女性从事科学工作的机会等项目与当地社区分享。感兴趣的蛋白质NOPE1是植物根部的N-乙酰氨基葡萄糖(GlcNAc)转运体。在菌根中有一种同源蛋白NGT1。在没有NOPE1的情况下,菌根真菌和根之间不能建立共生关系。这项研究回答了1。NOPE1和NGT1都是建立共生所必需的吗?它们在哪里表达?2。两者运输的信号分子是什么?3。分子是如何运输的?假设:1.NOPE1和NGT1都是必需的,并且表达在靠近定殖发生的地方。2.NOPE1和NGT1转运的分子来自植物和真菌,与N-乙酰氨基葡萄糖相似。3.NOPE1和NGT1转运这些分子进出植物和真菌。通过这项研究,该研究员将学习并使用基因沉默、原位杂交、荧光标记和多光子共聚焦显微镜来观察基因表达。相关基因将被转移到非洲爪哇卵母细胞中,并在候选分子存在的情况下应用电生理技术。未知分子将使用LC-MS和核磁共振进行鉴定。RNAseq转录组分析将提供对下游影响动态的洞察。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

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Sarabeth Buckley其他文献

Enhancing crop growth in rooftop farms by repurposing CO2 from human respiration inside buildings
通过重新利用建筑物内人类呼吸产生的二氧化碳来促进屋顶农场的作物生长
  • DOI:
  • 发表时间:
    2022
  • 期刊:
  • 影响因子:
    4.7
  • 作者:
    Sarabeth Buckley;Rebecca Sparks;E. Cowdery;Finn Stirling;Jane Marsching;N. Phillips
  • 通讯作者:
    N. Phillips
Sedum groundcover variably enhances performance and phenolic concentrations of perennial culinary herbs in an urban edible green roof
景天地被植物不同程度地提高了城市可食用绿色屋顶中多年生烹饪草本植物的性能和酚类浓度
  • DOI:
    10.1080/21683565.2017.1279703
  • 发表时间:
    2017
  • 期刊:
  • 影响因子:
    2.6
  • 作者:
    Selena Ahmed;Sarabeth Buckley;A. Stratton;Feven Asefaha;Colleen M Butler;M. Reynolds;C. Orians
  • 通讯作者:
    C. Orians
Repurposing CO2 from Human Respiration Inside Buildings to Enhance Growth in Rooftop Gardens
重新利用建筑物内人类呼吸产生的二氧化碳,以促进屋顶花园的生长
  • DOI:
  • 发表时间:
    2021
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Sarabeth Buckley;Rebecca Sparks;Jane Marsching;N. Phillips
  • 通讯作者:
    N. Phillips

Sarabeth Buckley的其他文献

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