Acquisition of a Replacement Transmission Electron Microscope

这项提案要求提供资金购买一台透射式电子显微镜。替代的瞬变显微镜将包括扩大放大范围、允许立体摄影的倾斜测角仪、高容量相机和显示和/或存储投影电子图像的摄像机系统等功能。透射电子显微镜将用于研究选定的C3和C4植物的叶片的发育和结构，研究绿藻鞘毛虫作为陆地植物早期进化史线索的来源，研究叶片形态发生以确定获得光合作用的能力，研究土豆因擦伤而愈合的细胞学和组织学过程，以及感染紫丁香假单胞菌的健康和病态万寿菊品种的研究。

This proposal requests funds to purchase a transmission electon microscope (TEM). The replacement TEM will include features such as an expanded range of magnification, a tilt goniometer that will allow stereo photography, a high capacity camera, and a video camera system that displays and/or stores the projected electron image. The TEM will be used for studies on the development and structure of leaves of selected C3 and C4 plants, studies on the green alga Coleochaete as a source of clues to the early evolutionary history of land plants, studies on leaf morphogenesis to determine the attainment of photosynthetic competency, studies to elucidate the cytological and histological processes of wound healing in response to bruising in potatoes, and studies on healthy and diseased marigold cultivars infected with Pseudomas syringae.