Jasmonate inhibits hypocotyl elongation and promotes cotyledon unfolding in etiolated Arabidopsis se

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Jasmonate(JA) is a major plant hormone that regulates many developmental events andplant tolerance to pathogens;however,its role in etiolated seedling growth is notsystematically characterized.Under normal dark conditions,Arabidopsis seedlingsdisplay long hypocotyls and closed cotyledons,which is termed skotomorphogenesis.
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