Species: Arabidopsis thaliana Oryza sativa		Welcome to our Plant microRNA Knowledge Base (PmiRKB)! MicroRNAs (miRNAs), one kind of well-defined plant small RNAs, exert essential roles in numerous biological pathways through repressive effects on their targets. PmiRKB includes the miRNAs of three model plants, Arabidopsis (Arabidopsis thaliana), rice (Oryza sativa) and grape (Vitis vinifera). Four major functional modules, "SNPs", "Pri-miRNAs", "MiR—Tar", and "Self-reg", are provided.
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Citation:

• Yijun Meng, Lingfeng Gou, Dijun Chen, Chuanzao Mao, Yongfeng Jin, Ping Wu, and Ming Chen. PmiRKB: a plant microRNA knowledge base. Nucleic Acids Research Advance Access published on August 18, 2010. doi:10.1093/nar/gkq721