JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2014, Vol. 38 ›› Issue (03): 155-159.doi: 10.3969/j.issn.1000-2006.2014.03.030

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Advance on miR160/miR167/miR390 family and its target genes in plants

YANG Chunxia1,2, XU Meng1, WANG Mingxiu1, HUANG Minren1*   

  1. 1.College of Forest Resource and Environment,Nanjing Forestry University,Nanjing 210037,China;
    2.Jiangxi Academy of Forestry, Nanchang 330013, China
  • Online:2014-05-15 Published:2014-05-15

Abstract: MicroRNA(miRNA)is endogenous and non-coding small RNA with 21-23 nucleotides, and it widely exits in eukaryotes. MiRNAs repress gene expression at post transcriptional level by acting on near-perfect complementary sequences in mRNA coding region to guide cleavage and translational repression, and it plays an important role in regulating cell cycle and development timing of biology. Three miRNA families including miR160, miR167 and miR390 all targeting to ARF(Auxin response factor)gene family have been reviewed, and which indicates that they fulfil the similar and differential function. For example, miR160/miR167/miR390 plays an important role in plant development. But miR160 focuses on regulating embryo and root development, miR167 focuses on the regulation of flowers and fruit development, and miR390 has remarkable effect on regulating plant lateral organ development. Moreover, feedback regulation exists between miR160/miR167/miR390 and their target genes.

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