Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

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Gene Review:

ARF4 - auxin response factor 4

Arabidopsis thaliana

Synonyms: MUF9.7, MUF9_7

Hunter, C. et al., Pekker, I. et al.

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High impact information on ARF4

Mutant phenotypes of ett are restricted to flowers; however, double mutants with a closely related gene ARF4 exhibit transformation of abaxial tissues into adaxial ones in all aerial parts, resembling mutations in KANADI [1].
A screen for mutations that suppress this precocious phenotype yielded alleles of two auxin-related transcription factors known to be upregulated in zip: ETTIN (ETT)/ARF3 and ARF4 [2].
We conclude that the precocious phenotype of zip is attributable to the absence of tasiR-ARF-mediated repression of ETT and ARF4 [2].

References

Auxin response factors mediate Arabidopsis organ asymmetry via modulation of KANADI activity. Pekker, I., Alvarez, J.P., Eshed, Y. Plant Cell (2005) [Pubmed]
Trans-acting siRNA-mediated repression of ETTIN and ARF4 regulates heteroblasty in Arabidopsis. Hunter, C., Willmann, M.R., Wu, G., Yoshikawa, M., de la Luz Gutiérrez-Nava, M., Poethig, S.R. Development (2006) [Pubmed]

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