And further, only bacteria and viruses pathogenic to humans produce this signal; ordinary E. coli does not.

更进一步只有致病的细菌和病毒的DNA会发生这样的信号普通的大肠杆菌却不会。

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Researchers Maria Gregori and Ignacio Llatser encoded the cytoplasm of non-pathogenic strain of e. coli with a short DNA sequence.

Maria Gregori以及Ignacio Llatser两位研究人员用一个短小的DNA序列编码了非致病大肠杆菌的细胞质信息。

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Some properties of pathogenic Escherichia Coli in the geese were reported. Morphology, cultural characteristics and biochemical properties of E. Coli were similar to that previously reported.

本文报道了鹅源致病性大肠杆菌的一些特性，其中菌体形态、培养特性和生化反应等方面与文献记载基本相同。

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"The large number of beverages and soda fountain machines containing E. coli is still of considerable concern... and suggests that more pathogenic strains of bacteria could persist and thrive in soda fountain machines if introduced, " the authors wrote.

CNN: Soda fountains contained fecal bacteria, study found