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The endoplasmic reticulum quality control (ER-QC) is a conserved mechanism in surveillance of secreted signaling factors during cell-to-cell communication in eukaryotes.Recent data show that the ER-QC plays important roles in diverse cell-to-cell signaling processes during immune response,vegetative and reproductive development in plants.Pollen tube guidance is a precisely guided cell-cell communication process between the male and female gametophytes during plant reproduction.Recently,the female signal has been identified as small secreted peptides,but how the pollen tube responds to this signal is still unclear.In this review,we intend to summarize the role of ER-QC in plants and discuss the recent advances regarding our understanding of the mechanism of pollen tube response to the female signals.