Long-standing Mystery Of How Plants Make Eggs Solved
Wednesday, June 10, 2009 - 08:22
in Biology & Nature
Scientists have discovered that a plant hormone called auxin is responsible for development of the egg cell in a plant's embryo sac. In unraveling this fundamental issue in plant biology, the work provides the first definitive report of a plant hormone acting as a morphogen and offers tantalizing new insights into the evolutionary pathway that flowering plants took 135 million years ago when they split off from gymnosperms.