Two-week-old seedlings were incubated in liquid MS medium with or without 50 μM ABA for 3 h. Total RNAs was extracted using the RNAiso Plus reagent from Takara (Otsu, Japan). The cDNAs were synthesized from 1 μg of total RNAs using the PrimeScript RT-PCR reagent Kit of Takara. qRT-PCR was performed using the Bio-Rad CFX96 real-time PCR detection system and SYBR Premix Ex Taq II from Takara. ACTIN2/8 was used as an internal control. RT-PCR was conducted with the gene-specific primers described by Zhang et al. (2018) (link).
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