Isolation and Responses to Stress of a Gene That Encodes a Luminal Binding Protein in Arabidopsis thaliana

A cDNA encoding a luminal binding protein (BiP) was isolated from Arabidopsis thaliana. In Arabidopsis seedlings, accumulation of transcripts for BiP was induced not only by inhibition of the N-glycosylation of proteins by tunicamycin but also by inhibition of the processing of N-linked glycans by castanospermine. Heat-shock stress also induced accumulation of the transcripts in Arabidopsis.