Proteomic study of fig inflorescence and receptacle

The common fig cultivar Zibao, planted at the Shangzhuang Experimental Station of China Agricultural University (Peking, China). Based on the three fig development phases (Flaishman et al., 2008), we subdivided the fig development process into six stages: stages 1 and 2 belonging to phase Ⅰ, a rapid growth stage; stages 3 and 4 belonging to phase Ⅱ, during which fruit size and hardness remain almost unchanged; stages 5 and 6 belonging to phase Ⅲ, the mature stage, where stage 5 corresponded to commercial ripeness. Inflorescences and receptacles at each stage were separated, marked as F1–F6 and R1–R6, respectively. Stage 1, 3 and 5 inflorescences and receptacles were used for proteomic analysis.