MODULATION OF PLANT GROWTH BY VAS1 MUTATION
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United States of America Patent
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Jun 18, 2015
app pub date -
Dec 4, 2014
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Dec 5, 2013
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The present invention relates to mutants of the plant aminotransferase VAS1 and to transgenic plants expressing said mutant protein that exhibit a modulated response to shade. In certain embodiments, the mutations of VAS1 uncouple VAS1 metabolic coordination of auxin and ethylene homeostasis, so that reduction of auxin is no longer linked (via VAS1) to reduction of ethylene. Such uncoupling allows for the generation of plants carrying a VAS1 mutant transgene that demonstrate a modulated response to shade, for example, less hypocotyl growth.
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