In the paper, the development and function research of Rhodopyta resources in the east area of Guangdong were summarized by conducting a field survey and referring to literatures, in order to offer reference for further exploitation and utilization of locals.

This review focuses on the progress of applications of reverse genetics in the functional analysis and marker vaccine development of CSFV, and also discusses the problems confronted now and prospective aspects in the study of CSFV.

Recently, the development of reverse genetics technique breaks a new path for influenza virus in research of function analysis and preparation of vaccines.