Goodrich J et al. 1992
- Authors:
Goodrich J. Carpenter R. Coen ES.
- Title:
A common gene regulates pigmentation pattern in diverse plant species.
- Reference location:
Cell. 68(5):955-64, 1992 Mar 6.
- Abstract:
The delila (del) gene regulates the pattern of red anthocyanin
pigmentation in Antirrhinum majus plants. We describe the cloning of the
del locus by transposon tagging and show that it encodes a protein with
extensive homology to products of the R gene family, which regulates
pigmentation in maize. This shows that in spite of the many differences in
morphology and coloration between maize and Antirrhinum, the control of
pigmentation pattern is mediated by a common regulator. The del and R
products contain a region similar to the conserved domain of the
helix-loop-helix family of transcription factors. In situ hybridization
and RNA analysis show that the expression of del correlates with the
distribution of anthocyanins in the flowers. We discuss the implications
of these findings for the evolution of regulatory networks.
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