DNA "Tattoos" Link Adult, Daughter Stem Cells in Planarians

sea-maid submitted, created time 2 months 2 weeks (www.sciencedaily.com)

The title of this article is poetic, but it could stand to be better organized. The authors refer to a certain method of DNA identification as a "tattoo," but don't immediately say what it is. One has to dig through the repetitive and error-strewn paragraphs before one finds this:

"the researchers devised methods to detect specific differences in gene expression in the BrdU-labeled cells. The researchers identified 259 genes associated with the stem cells and their daughters

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