CsTIE1 interacts with CsAGL16 to coordinate cucumber branch outgrowth and drought tolerance. (IMAGE)
Caption
CsTIE1 interacts with CsAGL16 to coordinate cucumber branch outgrowth and drought tolerance. Under normal conditions, CsTIE1 interacts with CsAGL16 to promote transcriptional activation of CsCYP707A4 by CsAGL16, leading to a decrease in ABA levels in axillary buds and promoting lateral branch outgrowth. When cucumber seedlings were subjected to drought stress, drought stress could induce the expression of CsTIE1 and CsAGL16, thereby inhibiting ROS levels and promoting stomatal closure to reduce water loss. On the other hand, drought inhibits the expression of CsCYP707A4 and suppresses the transcriptional activation of CsCYP707A4 by CsAGL16 through an unknown mechanism, resulting in a decrease in CsCYP707A4 expression levels and an increase in ABA levels, thereby improving the drought tolerance of cucumber seedlings.
Credit
Horticulture Research
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