Researchers have devised clever new techniques to mimic the chemical marks on tightly wound DNA-protein complexes that silence gene expression.

研究人员已经发明了精敏的新技术，来模拟化学药品，在紧密结合的沉默基因表达的DNA -蛋白复合体上做标记。

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Besides Forbes, Gene Marks writes weekly for The New York Times and Inc.com.

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Besides writing for Forbes, Gene Marks writes weekly for The New York Times and Inc.com.

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