Collaborative Research: Ecological Genetics of a Plant/Pathogen Interaction

合作研究：植物/病原体相互作用的生态遗传学

• 批准号: 8805616
• 负责人: Helen Alexander
• 金额: $ 16.89万
• 依托单位: University of Kansas Main Campus
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1989
• 资助国家: 美国
• 起止时间: 1989-01-01 至 1992-06-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=8805616&HistoricalAwards=false
• 关键词: Collaborative; Research; Ecological; Genetics; Plant

Genetic interactions between plants and their fungal pathogens have been studied for many of the major disease problems in agriculture, but little is known about host resistance and pathogen virulence in natural systems. Since it is widely thought that natural systems have fewer disease epidemics than crop systems, information on the distribution of genetic variation and the genetic basis for traits that control disease reactions in nature may prove useful in crop disease control. Past work on the anther-smut fungal disease of the white campion revealed that the likelihood of infection for a plant depended on the genetic identity of both the plant and the fungus. In the current study, the mode of inheritance of plant resistance and fungal virulence will be examined; methods will include testing progeny of genetic crosses in both field studies that mimic natural disease spread and in controlled greenhouse experiments. This research will begin to determine if the relatively simple single gene control of disease expression found with several crop plants also is prevalent outside of agriculture.

已经研究了许多农业中许多主要疾病问题的植物及其真菌病原体之间的遗传相互作用，但是关于自然系统中宿主的耐药性和病原体毒力知之甚少。 由于人们普遍认为天然系统的流行病比作物系统更少，因此有关遗传变异分布的信息以及控制自然界疾病反应的性状的遗传基础，可能被证明在作物疾病控制中有用。 过去在白色坎皮恩（White Campion）的花药真菌疾病上的工作表明，植物感染的可能性取决于植物和真菌的遗传认同。 在当前的研究中，将检查植物抵抗和真菌毒力的遗传方式；方法将包括模仿自然疾病扩散和受控的温室实验的两种现场研究中的遗传杂交后代。 这项研究将开始确定相对简单的单个基因控制疾病表达是否在农业之外也普遍存在。