geen, mis kodeerib hariliku müürlooga lehtedes endoplasma retiikulumi abil floeemi sõeltorudesse liikuva FT valgu, Messenger RNA of FT is only produced and translated to protein in the phloem of leaves. The protein moves with the assimilate flow towards the shoot apex where it acts as transcriptional co-regulator to switch the developmental program from vegetative to reproductive. Component of the mobile flower-promoting signal (floral stimulus or florigen). Promotes the transition from vegetative growth to flowering.