EAPSI: Molecular Phylogeny and Biogeography of Series Chinensis (Iridaceae)

EAPSI：中国鸢尾科（鸢尾科）的分子系统发育和生物地理学

• 批准号: 1614393
• 负责人: Jennifer Rodriguez
• 金额: $ 0.54万
• 依托单位: Rodriguez Jennifer
• 依托单位国家: 美国
• 项目类别: Fellowship Award
• 财政年份: 2016
• 资助国家: 美国
• 起止时间: 2016-06-15 至 2017-05-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1614393&HistoricalAwards=false
• 关键词: EAPSI; Molecular; Phylogeny; Biogeography; Series

Phylogenetic methods are essential tools that allow for an understanding of evolutionary relationships and can provide a possible explanation for origins and changes in geographic ranges. This award support research to investigate geographic origins and evolutionary relationships of Asian Iris. The project will focus on series Chinensis, small irises that are distributed mainly in northeast China, but also found in Korea and Japan. The number of species in the series is unknown because authors have not agreed on the inclusion of some species. Our understanding of the distribution of these and other Chinese species is limited because recent systematic work in Asia has focused on the Flora of China project, which surveyed existing databases from major Chinese herbaria to produce an overall account of taxa present. This research will investigate the biogeography of series Chinensis through fieldwork, and analyses of new and existing distributional data. This research will be conducted in collaboration with Professor Xiao-Quan Wang at the Chinese Academy of Science Institute of Botany in Beijing, China.Using phylogenetic approach, the project will investigate: 1) which Asian species should be included in series Chinensis; 2) phylogenetic relationships among series Chinensis species; and 3) the origin, dispersal and diversification of the series in China. Molecular markers will be applied to test phylogenetic relationships and these results will be used to test hypotheses about geographic distribution. Nuclear and chloroplast DNA makers will be sequenced for phylogeny reconstruction using maximum likelihood and Bayesian statistical methods. The resulting phylogeny will be used as a framework for testing hypothesis on patterns of geographic diversification.This award under the East Asia and Pacific Summer Institutes program supports summer research by a U.S. graduate student and is

系统发育方法是必不可少的工具，可以理解进化关系，并可以为起源和地理范围的变化提供可能的解释。 该奖项支持研究亚洲虹膜的地理起源和进化关系。该项目将集中于Chinensis系列，这是主要在中国东北部分布的小虹膜，但也发现在韩国和日本。该系列中的物种数量尚不清楚，因为作者尚未同意包含某些物种。我们对这些和其他中国物种的分布的理解受到限制，因为亚洲最近的系统工作集中在中国的植物群项目上，该项目调查了中国主要植物草药的现有数据库，以产生目前的总体账目。这项研究将通过现场工作调查Chinensis系列的生物地理学，并对新的和现有的分布数据进行分析。这项研究将与中国北京植物学学院的小夸恩教授合作进行。中国植物学研究所。使用系统发育方法，该项目将调查：1）哪些亚洲物种应包括在Chinensis系列中； 2）串联的中质物种之间的系统发育关系； 3）该系列在中国的起源，分散和多样化。分子标记将用于测试系统发育关系，这些结果将用于测试有关地理分布的假设。使用最大似然和贝叶斯统计方法，将对核成形器DNA制造商进行系统发育重建。由此产生的系统发育将被用作测试地理多样化模式的假设的框架。在东亚和太平洋夏季研究所计划下，该奖项支持美国研究生的夏季研究，并且是