Total 511 bioinformatics databases were investigated from DBcat developed by infobiogen in French,and analyzed their types,their distributions of country,update frequency and the available ways.

• 研究采用网上调查的方法 ,对法国生物信息中心Infobiogen建立维护的生物信息学数据库目录DBcat中收录的 5 11个数据库进行调查统计 ,分析其类型分布、国家分布、更新频率和获取方式 ;