Dissertation Research: Evolutionary Genetics of the Adiantumpedatum Complex

论文研究：铁线蕨复合体的进化遗传学

• 批准号: 8800938
• 负责人: David Barrington
• 金额: $ 1.14万
• 依托单位: University of Vermont & State Agricultural College
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1988
• 资助国家: 美国
• 起止时间: 1988-05-15 至 1991-04-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=8800938&HistoricalAwards=false
• 关键词: Dissertation; Research; Evolutionary; Genetics; Adiantumpedatum

Under the guidance of faculty adviser Dr. David Barrington, Ms. Cathy Paris will employ several modern molecular methods along with traditional morphological and chromosomal analyses to assess genetic variability and trends of evolution within the geographically widespread complex of Northern Hemisphere maiden- hair ferns, Adiantum pedatum. The research will measure levels of gene differences among the several taxonomic subspecies in this complex, and will provide evidence on the likely origins of the doubled-chromosome races known in Japan and in eastern North America, and suspected to represent independent, parallel occurrences of polyploidy in these ferns. The research provides a comprehensive integration of traditional taxonomic studies of fern characters with new molecular databases, and focuses upon an interesting problem in plant evolution.

在导师 David Barrington 博士的指导下，Cathy Paris 女士将采用多种现代分子方法以及传统的形态学和染色体分析来评估北半球广泛分布的铁线蕨复合体的遗传变异和进化趋势。花梗。该研究将测量该复合体中几个分类亚种之间的基因差异水平，并将为日本和北美东部已知的双染色体种族的可能起源提供证据，这些种族被怀疑代表多倍体的独立、平行发生在这些蕨类植物中。该研究将蕨类植物特征的传统分类学研究与新的分子数据库进行了全面整合，并重点关注植物进化中的一个有趣问题。