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. 2016 Jul 28;113(33):9375–9380. doi: 10.1073/pnas.1602960113

Fig. S6.

Fig. S6.

Proposed model of FHY3 functions in meristem activity regulation. (A) FHY3 directly represses CLV3 and subsequently alters the WUS/CLV3 regulatory loop to maintain the stem cell pool in the SAM. Both FHY3 and phyB are involved in the light-regulated expression of CLV3, but the exact mechanisms need further investigation. (B) In FM, FHY3 directly represses CLV3 but also directly activates SEP2 to regulate WUS expression to promote FM determinacy. Besides SEP2, other factors (X) may also mediate the function of FHY3 in FM determinacy. se: sepal.