منابع مشابه
Repeated TALEs
Three recent papers, published just weeks apart, describe the use of fluorescent TALEs to tag specific DNA sequences in live cells and, in one case, also in fixed cells, the latter with potential clinical applications.
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A correspondent has asked me about the origins of a legend which has become known as 'The phage in the letter'. Common to all variants of this story is the following: one scientist, called X, sends a request to another, Z, for a particular bacteriophage strain which Z has discovered. Z replies saying he is not sending it out. X thereupon plates out the letter and retrieves the phage from it. So...
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A little over twenty years ago, a group of scientists assembled in Asilomar, California, to consider the consequences of the newly invented techniques of genetic engineering, or recombinant DNA, as it later came to be called. There was in place a moratorium recommended by scientists and which we, working for the UK's Medical Research Council, had been instructed to heed by the Secretary of the ...
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Tales from the crypt ow many stem cells reside in a human colonic crypt and how do they divide and regenerate? According to the deterministic theory, a small number of " immortal " stem cells haunt a crypt, and when they divide, each generates a single replacement stem cell. The stochastic model, in contrast, contends that a crypt niche harbors many stem cells, and each cell division randomly g...
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To cite: Quilliam S. J Fam Plann Reprod Health Care 2014;40:142–144. BACKGROUND To bridge the gap – that’s what my brief for the Journal has always been. To create understanding between reproductive health professionals and health service consumers – to help the former appreciate the needs of the latter. This is why I often base my columns directly on the experiences of end-users: women patient...
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ژورنال
عنوان ژورنال: The Annals of Iowa
سال: 1966
ISSN: 0003-4827,2473-9006
DOI: 10.17077/0003-4827.7821