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Gene Review

ARF8  -  auxin response factor 8

Arabidopsis thaliana

Synonyms: ATARF8, K15O15.1, K15O15_1
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High impact information on ARF8

  • Expression of ARF8 was found to be regulated at multiple levels, and transcriptional autoregulation of ARF8 was observed [1].
  • This is consistent with a proposed role for ARF8 in restricting signal transduction processes in ovules and growth in pistils until the fruit initiation cue [1].
  • ARF6 and ARF8 transcripts are cleavage targets of the microRNA miR167, and overexpressing miR167 mimicked arf6 arf8 phenotypes [2].
  • (2002), and because two of the three GH3 genes are auxin inducible, ARF8 may control the free IAA level in a negative feedback fashion by regulating GH3 gene expression [3].

Associations of ARF8 with chemical compounds


Other interactions of ARF8

  • Arabidopsis microRNA167 controls patterns of ARF6 and ARF8 expression, and regulates both female and male reproduction [2].


  1. AUXIN RESPONSE FACTOR8 is a negative regulator of fruit initiation in Arabidopsis. Goetz, M., Vivian-Smith, A., Johnson, S.D., Koltunow, A.M. Plant Cell (2006) [Pubmed]
  2. Arabidopsis microRNA167 controls patterns of ARF6 and ARF8 expression, and regulates both female and male reproduction. Wu, M.F., Tian, Q., Reed, J.W. Development (2006) [Pubmed]
  3. Disruption and overexpression of auxin response factor 8 gene of Arabidopsis affect hypocotyl elongation and root growth habit, indicating its possible involvement in auxin homeostasis in light condition. Tian, C.E., Muto, H., Higuchi, K., Matamura, T., Tatematsu, K., Koshiba, T., Yamamoto, K.T. Plant J. (2004) [Pubmed]
  4. Auxin response factors ARF6 and ARF8 promote jasmonic acid production and flower maturation. Nagpal, P., Ellis, C.M., Weber, H., Ploense, S.E., Barkawi, L.S., Guilfoyle, T.J., Hagen, G., Alonso, J.M., Cohen, J.D., Farmer, E.E., Ecker, J.R., Reed, J.W. Development (2005) [Pubmed]
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