before images were visualized using CLSM (excitation 488 nm, emission 515 nm; Nikon PCM2000, Kingston-upon-Thames, UK). Images acquired were
analyzed using SCION IMAGE software (Scion, Frederick, MD, USA). (A) Control with no treatment; (B) ABA (50) treatment; (C) NaHS (100 μm) treatment
alone; (D) ABA treatment in the presence of NaHS; (E) GYY4137 (100 μm) treatment alone; (F) ABA treatment in the presence of NaHS.