Photooxidative stress activates a complex multigenic response integrating the phenylpropanoid pathway and ethylene leading to lignin accumulation in apple (Malus domestica Borkh.) fruit

摘要

( ) in the flesh of Fuji apples after sun exposure and the relative abundance (mean of uronic acid (UA)) of the water-soluble pectin fraction (WSF) ( ), CDTA-soluble pectin fraction (CSF) ( ), and Na CO -soluble pectin fraction (NSF) ( ). Flesh firmness of Fuji apples grown under different sun exposure conditions at harvest time ( ). Content (mean of neutral sugar (NS)) of hemicellulose ( ) and cellulose ( ) in flesh of Fuji apples after sun exposure. Non-Exp: nonexposed fruit; Exp: exposed fruit without sun damage; Sev: exposed fruit with severe sun damage. Data correspond to the mean ± SE of three biological replicates. Different letters indicate significant differences (