NSF Postdoctoral Fellowship in Biology: Priority Effects Within and Between Guilds of Fungal Symbionts

NSF 生物学博士后奖学金：真菌共生体内部和之间的优先效应

• 批准号: 2305876
• 负责人: Kylea Garces
• 金额: $ 24万
• 依托单位: Garces, Kylea Rose
• 依托单位国家: 美国
• 项目类别: Fellowship Award
• 财政年份: 2024
• 资助国家: 美国
• 起止时间: 2024-07-01 至 2026-06-30
• 项目状态: 未结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=2305876&HistoricalAwards=false
• 关键词: NSF; Postdoctoral; Fellowship; Biology; Priority

This action funds an NSF Postdoctoral Research Fellowship in Biology for FY 2023, Broadening Participation of Groups Underrepresented in Biology. The Fellowship supports a research and training plan for the Fellow that will increase the participation of groups underrepresented in biology. This study will untangle the complexities of plant-fungal relationships and the way below-ground fungi assemble. Specifically, as multiple fungi colonize the same plant host, priority effects, or the order in which specific fungal species arrive, may alter the ability of other fungi to colonize, which will have varying outcomes for the host plant. This experiment will manipulate arrival order of different fungal species and across fungal guilds to evaluate both fungal community outcomes and their influence on plant growth, reproduction, and nutrient content. The research outcomes can help to predict the appropriate symbiont to add to a community based on restoration goals. The Fellow will lead efforts to examine traditional grading systems that often induce barriers for diverse individuals in STEM. The Fellow will lead a faculty learning community focused on alternative assessment strategies and then implement these strategies in their own courses; a peer-reviewed education manuscript will be written to enhance teaching and learning at broad scales. Fungal symbionts are ubiquitous in nature and play considerable roles in determining host plant fitness. It is known that priority effects can shape community assembly, especially considering two-species systems, yet less is known about the importance of order arrival as communities become more complex in multi-symbiont interactions. The Fellow will evaluate the order of arrival of fungi within an abundant native grass species, Schizachyrium scoparium, across North America to determine how mycobiome community assembly affects plant hosts. The Fellow will characterize mutualistic arbuscular mycorrhizal fungi (AMF) and root endophytic fungi from a prairie restoration. To evaluate within guild assembly, the study will manipulate the order of introduction of unique species of AMF or root endophytes on Schizachyrium in a growth chamber experiment. As plants host multiple symbionts, the Fellow will then look at priority effects across guilds by altering order arrival of AMF, root endophytes and vice versa to evaluate fungal community outcomes and their respective influence on host plant growth. The project will allow the Fellow to hone skills on the mechanisms that drive microbial communities. The broadening participation efforts contribute to classroom settings by improving conventional grading systems and retaining underrepresented minorities in scientific disciplines.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.

该行动为2023财年的生物学生物学研究金提供了一项NSF博士后研究奖学金，扩大了在生物学中代表不足的群体的参与。奖学金支持该研究员的研究和培训计划，这将增加生物学中代表性不足的群体的参与。这项研究将解开植物 - 真菌关系的复杂性和地下真菌的组装方式。具体而言，随着多种真菌在同一植物宿主中定居，优先效应或特定真菌物种到达的顺序可能会改变其他真菌定居的能力，这将对宿主植物产生不同的结果。该实验将操纵不同真菌物种和跨真菌公会的到达顺序，以评估真菌群落的结果及其对植物生长，繁殖和养分含量的影响。研究结果可以帮助预测适当的共生体，以根据恢复目标添加到社区中。该研究员将领导努力检查传统的分级系统，这些系统通常会引起STEM中不同个体的障碍。该研究员将领导一个专注于替代评估策略的教师学习社区，然后在自己的课程中实施这些策略；将编写经同行评审的教育手稿，以扩大规模增强教学。真菌共生体本质上是普遍存在的，在确定宿主植物健身方面起着相当多的作用。众所周知，优先效应可以塑造社区组装，尤其是考虑到两个物种系统，但随着订单到来的重要性，随着社区在多伴侣相互作用中变得更加复杂的重要性。该研究员将评估真菌在北美各地的丰富本地草种schizachyrium scoparium schizachyrium scoparium in n北美的到来的顺序，以确定Mycobiome社区组装如何影响植物宿主。该研究员将以草原恢复中的互惠性羊膜菌根真菌（AMF）和根部内生真菌为特征。为了在行会组装中进行评估，该研究将操纵在生长室实验中引入独特物种AMF或根部内生菌的顺序。随着植物的多个共生体，该研究员将通过改变AMF，根部内生物和反之亦然来评估真菌群落结果及其对寄主植物生长的影响，从而研究各个行会的优先效应。该项目将允许研究员磨练驱动微生物社区的机制。扩大的参与工作通过改善传统的评分系统并保留代表性不足的少数群体在科学学科中的贡献。该奖项反映了NSF的法定任务，并被认为值得通过基金会的知识分子优点和更广泛的影响来通过评估来获得支持。