A widespread bacterial defence system called SNIPE is shown to localize to the cell membrane, where it identifies and cleaves the DNA of infecting phage as it is injected into the bacterial cell.
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Now, genetic evidence has revealed a striking imbalance in these prehistoric trysts, suggesting that interbreeding was mostly between male Neanderthals and female humans.，更多细节参见旺商聊官方下载
Жители Санкт-Петербурга устроили «крысогон»17:52