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小崔9333木蟲 (正式寫手)
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[求助]
求教關(guān)于攜帶志賀毒素噬菌體的知識(shí)
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| 在文獻(xiàn)中看到PCR was performed to confirm it was a shiga toxin-carrying bacteriophage.stx1 and stx2 genes were not detected in coliphage ECP4 based on the PCR results (data not shown).可是始終搞不明白,既然攜帶志賀毒素的噬菌體,不是會(huì)編碼stx基因產(chǎn)志賀毒素嗎?為什么說檢測不到這兩個(gè)基因呢。文中還將此噬菌體用于食品的生物防腐,理由是The correlation between the pathogenic E. coli and the shiga toxin-carrying coliphage was analyzed with respect to gene transfer and epidemiological properties by molecular characteristics(Creuzburg et al., 2005; Shimizu, Ohta & Noda, 2009; García-Aljaro et al.,2006; Rode et al., 2011). Thus, coliphage ECP4 might serve as a possible form of biocontrol for E. coli O157:H7. 對(duì)此相當(dāng)迷糊,請(qǐng)專業(yè)人士賜教!謝謝 |
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