Control of floral homeotic gene expression and organ morphogenesis in Antirrhinum.

  title={Control of floral homeotic gene expression and organ morphogenesis in Antirrhinum.},
  author={P C McSteen and Coral A. Vincent and Steve Doyle and Rosemary Carpenter and Enrico Coen},
  volume={125 13},
The development of reproductive organs in Antirrhinum depends on the expression of an organ identity gene, plena, in the central domain of the floral meristem. To investigate the mechanism by which plena is regulated, we have characterised three mutants in which the pattern of plena expression is altered. In polypetala mutants, expression of plena is greatly reduced, resulting in a proliferation of petals in place of reproductive organs. In addition, polypetala mutants exhibit an altered… CONTINUE READING


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