Dissertation Research: Phylogenetic Relationships Among Macropodidae

论文研究：巨足科动物的系统发育关系

基本信息

批准号：
9701413
负责人：
Mark Springer
金额：
$ 0.75万
依托单位：
University of California-Riverside
依托单位国家：
美国
项目类别：
Standard Grant
财政年份：
1997
资助国家：
美国
起止时间：
1997-05-01 至 1999-04-30
项目状态：
已结题

来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=9701413&HistoricalAwards=false
关键词：
Dissertation Research Phylogenetic Relationships Among

项目摘要

9701413 Springer This award will provide funds for materials and supplies to enhance the dissertation research of Ms. Angela Burk, a doctoral student at the University of California - Riverside who is working under the supervision of Dr. Mark Springer. Ms. Burk's dissertation research involves acquisition of DNA sequences from three mitochondrially-encoded genes (12S rRNA, valine tRNA, and 16S rRNA) and one nuclear-encoded gene (protamine P1) from a representative of all living genera of Macropodidae. Macropodids consist of kangaroos, wallabies, and rat-kangaroos, and are the most species-rich group of all known marsupials. The groups contains 62 living species that occupy a wide diversity of habitats, including tropical rain forests, alpine tussock grasslands, and arid inland plains. Numerous attempts have been made previously to unravel the phylogenetic history of Macropodidae, but thus far complete resolution has not been obtained. Ms. Burk's research will establish such a phylogenetic framework and, in addition, will provide estimates of divergence times of examined taxa. Her research also will examine the historical development of several morphological characters and character complexes, address questions regarding rates of evolution (divergence) of each gene, and evaluate different character-weighing approaches for phylogenetic inference. Support for training of graduate students in modern technologies is critical to maintain the workforce of scientists capable of addressing questions and issues in global biology.

9701413 Springer 该奖项将为材料和用品提供资金，以加强加州大学河滨分校博士生 Angela Burk 女士的论文研究，她在 Mark Springer 博士的指导下工作。 Burk 女士的论文研究涉及从巨足科所有现存属的代表中获取三种线粒体编码基因（12S rRNA、缬氨酸 tRNA 和 16S rRNA）和一种核编码基因（鱼精蛋白 P1）的 DNA 序列。巨足类动物由袋鼠、小袋鼠和鼠袋鼠组成，是所有已知有袋动物中物种最丰富的类群。该类群包含 62 个生物物种，栖息地多种多样，包括热带雨林、高山草丛草原和干旱的内陆平原。之前已经进行了许多尝试来阐明巨足科的系统发育历史，但迄今为止尚未获得完整的解决方案。伯克女士的研究将建立这样一个系统发育框架，此外，还将提供对所检查的分类单元的分歧时间的估计。她的研究还将研究几个形态特征和特征复合体的历史发展，解决有关每个基因的进化（分化）率的问题，并评估用于系统发育推断的不同特征权重方法。支持现代技术研究生培训对于保持科学家队伍有能力解决全球生物学问题至关重要。