Strain used in vaccine production. Salmonella enterica subsp. enterica serovar Typhi str. Ty21A
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下载链接：
https://www.ncbi.nlm.nih.gov/bioproject/PRJNA34855
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资源简介：
Salmonella enterica serovar typhi Ty21a. Ty21a is the only licensed attenuated Salmonella typhi vaccine strain in the world. It was derived from the virulent S. typhi strain Ty2 by chemical (NTG) mutagenesis. However, the attenuating mechanisms for its remarkable track record of stability, safety and efficacy remaining undefined. The purpose of our sequence analysis is to define the key attenuating properties of Ty21a.
创建时间：
2013-05-01
