TheO-Fucosyltransferase SPINDLY Attenuates Auxin-Induced Fruit Growth by Inhibiting ARF6 and ARF8 binding to Coactivator Mediator Complex inArabidopsis
Yan Wang,
Seamus Kelley,
Rodolfo Zentella
et al.
Abstract:The phytohormone auxin plays a pivotal role in promoting fruit initiation and growth upon fertilization in flowering plants. Upregulation of auxin signaling by genetic mutations or exogenous auxin treatment can induce seedless fruit formation from unpollinated ovaries, termed parthenocarpy. Recent studies suggested that the class A AUXIN RESPONSE FACTOR6 (ARF6) and ARF8 inArabidopsisplay dual functions by first inhibiting fruit initiation when complexed with unidentified corepressor IAA protein(s) before polli… Show more
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