MicroRNAs sculpt gene expression in embryonic development: new insights from plants.
Zygotic microRNAs coordinate the clearance of maternal mRNA in animals to facilitate developmental transitions. In a recent issue of Genes and Development, Nodine and Bartel (2010) uncover a reciprocal function in plants, where miRNA-156 preemptively represses genes that function later in development to prevent premature developmental transitions.
Department of Genetics, Yale University School of Medicine, New Haven, CT 06510, USA.
Ariel A
AA
Bazzini
Antonio J
AJ
Giraldez
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