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

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A dominant mutation in Arabidopsis confers resistance to auxin, ethylene and abscisic acid.

We have screened a large population of M2 seeds of Arabidopsis thaliana for plants which are resistant to exogenously applied indole-acetic acid (IAA). One of the resistant lines identified in this screen carries a dominant mutation which we have named axr2. Linkage analysis indicates that the axr2 gene lies on chromosome 3. Plants carrying the axr2 mutation are severe dwarfs and display defects in growth orientation of both the shoot and root suggesting that the mutation affects some aspect of gravitropic growth. In addition, the roots of axr2 plants lack root hairs. Growth inhibition experiments indicate that the roots of axr2 plants are resistant to ethylene and abscisic acid as well as auxin.[1]

References

  1. A dominant mutation in Arabidopsis confers resistance to auxin, ethylene and abscisic acid. Wilson, A.K., Pickett, F.B., Turner, J.C., Estelle, M. Mol. Gen. Genet. (1990) [Pubmed]
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