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Penn Biologists Show How Plants Turn Off Genes They Don’t Need（图）
Penn Biologists Plants Turn Off Genes They Don’t Need
2017/9/5
A plant has one genome, a specific sequence of millions of basepairs of nucleotides. Yet how this genome is expressed can vary from cell to cell, and it can change as a plant goes through various life...
RNA, once thought to be a mere middleman between DNA and protein, is now recognized as the stage at which a host of regulatory processes can act to allow for flexibility in gene expression and thus th...
Plant Hormone‘Switch’Unravels Chromatin to Form Flowers,Penn Biologists Find
Plant Hormone Switch Chromatin to Form Flowers Penn Biologists
2015/11/13
Because plants cannot pick up and move, they have evolved a plethora of strategies to cope with environmental stresses, whether they bring a harsh spell of drought or a browsing deer.One of these stra...