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Distinct and dynamic auxin activities during reproductive development
Eva Sundberg1, Lars Østergaard
1Uppsala BioCenter, Department of Plant Biology and Forest Genetics, Swedish University of Agricultural Sciences, S-750 07 Uppsala, Sweden.
Abstract:
Flowering plants have evolved sophisticated and complicated reproductive structures to ensure optimal conditions for the next generation. Successful reproduction relies on careful timing and coordination of tissue development, which requires constant communication between these tissues. Work on flower and fruit development over the last decade places the phytohormone auxin in a key role as a master of patterning and tissue specification of reproductive organs. Although many questions still remain, it is now clear that auxin mediates its function in flowers and fruits through an integrated process of biosynthesis, transport, and signaling, as well as interaction with other hormonal pathways. In addition, the knowledge obtained so far about auxin function already allows researchers to develop tools for crop improvement and precision agriculture.
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