NSF Postdoctoral Fellowship in Biology: The Origin and Evolution of Nectaries in Non-Flowering Plants
美国国家科学基金会生物学博士后奖学金:不开花植物蜜腺的起源和进化
基本信息
- 批准号:2208845
- 负责人:
- 金额:$ 13.8万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Fellowship Award
- 财政年份:2022
- 资助国家:美国
- 起止时间:2022-08-01 至 2024-07-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Fellow's name: Jacob S. SuissaProposal number: 2208845Research title: The origin and evolution of nectaries in non-flowering plantsSponsoring scientist(s) and host institution(s): Dr. Fay-Wei, Lee Boyce Thompson Institute and Dr. Corrie Moreau, Cornell UniversityThis action funds an NSF Postdoctoral Research Fellowship in Biology for FY 2022, Integrative Research Investigating the Rules of Life Governing Interactions Between Genomes, Environment and Phenotypes. The fellowship supports research and training of the fellow that will contribute to the area of Rules of Life in innovative ways. Interactions between plants and animals are ecologically important, and plants have traits that evolved to affect these interactions. Understanding how and why these traits have evolved remain some of the most important biological questions. The fellow aims to take a step closer to answering these questions by exploring the early evolution of plant nectar glands. Nectar glands (nectaries), are common in flowers, but also occur in certain non-flowering plants, like the ancient fern lineage. In ferns these nectaries attract ants that feed on the nectar and fight off insects that want to eat the plant. Yet, we do not know when these nectaries evolved in ferns or whether the underlying genes responsible for their development are similar to those in flowers. The fellow’s work is important in that it will reveal the early evolution of nectaries, potentially shifting our understanding of the evolution of these structures and early plant-animal interactions. Broadly, the fellow aims to explore the origins and evolution of nectaries in a three-part multidisciplinary research program. First, integrating data on the timing of nectary evolution in ferns and flowering plants with major radiations of insect lineages, he will determine when, why, and how nectaries first evolved. Then, by using RNA-sequencing across divergent fern species he will uncover the genes underlying nectary development in ferns. He will then use comparative transcriptomics to determine if genes expressed in fern nectaries are similar to those of nectaries in flowering plants. Finally, using comparative genomics across land plants, he will pinpoint when this genetic toolkit first evolved. The fellow hypothesizes that nectaries evolved first in ferns before flowering plants, and that nectary genes in ferns are likely stomatal or phloem-specific genes which evolved early in the evolution of land plants. In addition to his research, the fellow is also committed to outreach and science communication. He plans to continue his work of democratizing the study of plant biology through his social media platform Let’s Botanize. He is also dedicated to creating a more equitable and inclusive field of science by mentoring undergraduate students from historically marginalized groups during the Cornell University Summer Research Internship program.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.
研究员的名字:雅各布s.瑞士提案号:2208845研究标题:非开花植物的花蜜的起源和进化赞助科学家和主办机构:费维博士,李博伊斯汤普森研究所和科里莫罗博士,康奈尔大学这一行动资助了一个NSF博士后研究奖学金,生物学为2022财年,综合研究调查生命规则控制基因组,环境和表型之间的相互作用。该奖学金支持将以创新方式对生活规则领域作出贡献的研究员的研究和培训。植物和动物之间的相互作用具有重要的生态意义,植物具有进化到影响这些相互作用的特征。了解这些特征是如何以及为什么进化的仍然是一些最重要的生物学问题。他的目标是通过探索植物花蜜腺体的早期进化,更接近这些问题的答案。花蜜腺(蜜腺)在花中很常见,但也存在于某些非开花植物中,如古老的蕨类植物。在蕨类植物中,这些蜜腺吸引蚂蚁以花蜜为食,并击退想吃植物的昆虫。然而,我们不知道这些蜜腺是何时在蕨类植物中进化的,也不知道负责它们发育的潜在基因是否与花中的相似。这名研究员的工作很重要,因为它将揭示蜜腺的早期进化,有可能改变我们对这些结构的进化和早期植物-动物相互作用的理解。从广义上讲,该研究员旨在通过一个由三部分组成的多学科研究计划探索蜜腺的起源和进化。首先,将蕨类植物和开花植物的蜜腺进化时间与昆虫谱系的主要辐射相结合,他将确定蜜腺进化的时间、原因和方式。然后,通过在不同的蕨类物种中使用rna测序,他将揭示蕨类植物中蜜腺发育的基因。然后,他将使用比较转录组学来确定蕨类植物蜜腺中表达的基因是否与开花植物的蜜腺相似。最后,利用陆地植物的比较基因组学,他将确定这个基因工具箱是何时开始进化的。这名研究人员假设,在开花植物之前,蕨类植物首先进化出了蜜腺,而蕨类植物的蜜腺基因很可能是在陆地植物进化早期进化出的气孔或韧皮部特异性基因。除了他的研究,他还致力于外展和科学传播。他计划通过他的社交媒体平台Let’s Botanize继续他的工作,使植物生物学研究民主化。他还通过在康奈尔大学暑期研究实习项目中指导历史上被边缘化群体的本科生,致力于创造一个更加公平和包容的科学领域。该奖项反映了美国国家科学基金会的法定使命,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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