Systematics of the 'Glabristyled' Robinieae (Leguminosae): Molecular and Traditional Data

“Glabristyled”刺槐科（豆科）的系统学：分子和传统数据

• 批准号: 9006001
• 负责人: Matthew Lavin
• 金额: $ 5.26万
• 依托单位: Montana State University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1990
• 资助国家: 美国
• 起止时间: 1990-07-15 至 1992-06-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9006001&HistoricalAwards=false
• 关键词: Systematics; Glabristyled; Robinieae; Leguminosae; Molecular

Dr. Matt Lavin of Montana State University is beginning morphological and molecular studies of woody tropical legumes of the Robinieae group, starting with field collecting in the West Indies to amass herbarium specimens and materials for laboratory analyses of chloroplast DNA mutations. Species boundaries and relationships are poorly known in this group, and the integration of traditional morphological characters from herbarium studies with new molecular markers from restriction enzyme analyses promises to improve taxonomic ordering and help determine phylogenetic linkages among the taxa. In turn, these systematic insights will allow tests of various hypotheses proposed for the geological history of the islands of the West Indies and for theories of plant migrations in the region. Dr. Lavin is a young investigator with an impressive record of taxonomic research on legumes from his doctoral and postdoctoral periods. The techniques of restriction enzyme analysis of chloroplast DNA are powerful ones, uncovering mutational differences between species that reflect evolutionary divergence since their most recent common ancestor. The legumes he is studying include some which are used for intercropping in cocoa and coffee plantations, whose wood is used for local construction and furniture, and herbage used for domestic animals. Improved taxonomic knowledge of the species and their geographic distributions should aid in long-range management and conservation of these natural plant resources.

蒙大拿州立大学的马特·拉文（Matt Lavin）博士开始对罗伯尼亚木质豆科植物的形态学和分子研究开始，从西印度群岛的田间收集到聚集植物标本标本标本和材料开始，以进行叶绿体DNA突变的实验室分析。 物种边界和关系在这一组中是鲜为人知的，从植物园研究中的传统形态特征与限制性酶分析的新分子标记的整合有望改善分类学有序并有助于确定分类单群之间的系统发育联系。 反过来，这些系统的见解将允许对西印度群岛岛屿地质历史提出的各种假设以及该地区的植物迁移理论提出的各种假设。 Lavin博士是一名年轻的研究者，对他的博士和博士后期的豆类分类研究有了令人印象深刻的记录。 叶绿体DNA的限制酶分析技术是强大的，从而揭示了自最近共同祖先以来反映进化差异的物种之间的突变差异。 他正在研究的豆类包括一些用于在可可和咖啡种植园中进行间作的豆类，这些木材用于当地的建筑和家具，以及用于家畜的草药。 对物种及其地理分布的分类知识的提高应有助于对这些自然植物资源的长期管理和保护。