Okamoto H. et al. 1994
- Authors: Okamoto H.
Yano A. Shiraishi H. Okada K. Shimura Y.
- Title: Genetic complementation of a floral homeotic
mutation, apetala3, with an
Arabidopsis thaliana gene homologous to DEFICIENS of Antirrhinum
majus.
- Journal: Plant Molecular Biology
- Volume: 26(1)
- Pages: 465-72
- Year: 1994
- Abstract: Among the homeotic mutants with altered floral
organs, two mutants of
Arabidopsis thaliana, apetala3 and pistillata, and two mutants of
Antirrhinum majus, deficiens and globosa, have a homeotic conversion
of
the floral organs in whorl 2 and 3, namely petals to sepals and
stamens to
carpels. We have isolated a homologue of the DEFICIENS gene from A.
thaliana wild type and shown complete complementation of apetala3
mutation
by introducing the isolated gene using Agrobacterium-mediated
transformation. These results show that the APETALA3 is a homologue of
DEFICIENS structurally and functionally.
The 5'-upstream region of
APETALA3 contains three SRE-like sequence, where MADS box-containing
proteins are assumed to bind and regulate expression in tissue- and
stage-specific manner.
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