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Development, Vol 121, Issue 1 19-26, Copyright © 1995 by Company of Biologists
JOURNAL ARTICLES |
R Carpenter and ES Coen
John Innes Centre, Norwich, UK.
Flower meristems comprise several distinct cell layers. To understand the role of cell interactions between and within these layers, we have generated plants chimeric for a key floral homeotic gene, floricaula (flo). These chimeras arose in Antirrhinum by excision of a transposon, restoring flo gene function. Activity of flo in a subset of cell layers gives fertile flowers with an abnormal morphology. This shows that flo can act non-autonomously between layers, although some aspects of its function are impaired. In addition, we show that flo exhibits some cell-autonomy within layers.
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