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November 1, 1991The Plant Cell

The FLO10 Gene Product Regulates the Expression Domain of Homeotic Genes AP3 and PI in Arabidopsis Flowers

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Authors

ESElizabeth SchultzUniversity of LethbridgeFPF. Bryan PickettOregon Research InstituteGHGeorge W. HaughnUniversity of British Columbia

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Implication

Genetic analysis demonstrates that FLO10 regulates AP3 and PI expression domains in Arabidopsis flowers, highlighting mechanisms of floral organ patterning.

Key Points

  • Investigate the role of the FLO10 gene product in regulating the spatial expression domains of the floral homeotic genes APETALA3 (AP3) and PISTILLATA (PI) in Arabidopsis.
  • Conducted genetic and developmental characterization of Arabidopsis thaliana floral mutants to evaluate FLO10 function.
  • Analyzed the spatial distribution and homeotic gene interactions of AP3 and PI in wild-type and mutant floral tissues.
  • Identified FLO10 as a key regulator necessary to define and restrict the expression domains of AP3 and PI during floral organogenesis.
  • Demonstrated that disruption of FLO10 alters the spatial boundaries of homeotic gene activity, resulting in modified floral organ identity.

Cite This Study

Schultz et al. (1991) studied this question.

synapsesocial.com/papers/6a7109fa87f92105712807f5https://doi.org/10.2307/3869229
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