有能力消滅細菌的病毒,我們會稱之為Bacteriophage,又或者是Phage。273Please respect copyright.PENANANswgSzd2KG
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(圖2)DNA可以統稱由四個英文字母的不同組合而成,A、T、C、G。273Please respect copyright.PENANAHn1kQjNgxi
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科學家發現,某特定品種Bacteriophage的DNA其英文字母的組合是由Z、T、C、G組成,常見的A被轉換成為Z。273Please respect copyright.PENANAwEYFzQBVSo
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(圖3)從圖中可見,Bacteriophage的ZT組合比AT組合多出一道Hydrogen Bond連繫。273Please respect copyright.PENANAQPC7ddrtTt
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細菌對抗外敵的其中一道手段就是切斷外來入侵者的DNA,而基於Bacteriophage擁有與別不同的DNA,細菌們辨認A的蛋白酶沒能夠辨認Bacteriophage的Z,因此亦少了一道手段對抗Bacteriophage的入侵。273Please respect copyright.PENANAZYmcSjMbBD
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情形就像是男扮女裝的變態佬走進女廁一樣,透過改變自身的外貌來企圖掩菌耳目。273Please respect copyright.PENANAjTl5wiBY8m
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如果想我快啲出文的話,請入去Penana網站科普專欄–薯不揀單俾一個like以及Bookmark,這對我非常之重要。273Please respect copyright.PENANAHHrDEeCVvD
273Please respect copyright.PENANACXyrVG2pcZ
Link: https://www.penana.com/story/66244/%E7%A7%91%E6%99%AE%E5%B0%88%E6%AC%84-%E8%96%AF%E4%B8%8D%E6%8F%80%E5%96%AE/toc273Please respect copyright.PENANAGZ51Q38oZW
273Please respect copyright.PENANAO5CZd8znVT
同時亦可以在Penana網站裡按「買一嚿/半嚿薯仔」,以課金的方式推動我繼續搜羅資料寫文,多謝。273Please respect copyright.PENANAz44UATFTdU
273Please respect copyright.PENANAP2YOp4jrZj
Link:273Please respect copyright.PENANA7DWGh1zG9i
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio273Please respect copyright.PENANAqeVZ5EDv3P
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除非Facebook及IG重開侵侵的account,否則我的IG將不會再作更新,只會寄居本土LIHKG及Penana。273Please respect copyright.PENANAIsSd8GfF2B
273Please respect copyright.PENANAKCPTMZbfgE
Ref1:https://www.nature.com/articles/d41586-021-01157-x#ref-CR1273Please respect copyright.PENANAY80HhZFQFI
Ref2:https://science.sciencemag.org/content/372/6541/512273Please respect copyright.PENANA8FKZXE2bAK
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科普專欄–薯不揀單
Author:
薯仔聞茱莉
ISSUE #217
三十秒科學–攻擊細菌的病毒
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