PURPOSE: To provide a DNA sequence exhibiting promoter activity of a specific DNA sequence or an equivalent promoter activity and having a promoter activity originated from Rubisco gene utilizable in cyanobacteria for the expression of a gene originated from other organism. ;CONSTITUTION: A new promoter sequence of Rubisco (ribulose 1,5-bisphosphate carboxylase/oxygenase) gene of cyanobacteria PCC7002 (Synechococcus Agmenellum-quadruplicatum PR-6) exhibiting a promoter activity of a DNA sequence expressed by the formula or an essentially equivalent promoter activity. The DNA sequence is produced by recovering a chromosome DNA from the cell of Cyanobacteria PCC7002 by conventional method, subjecting the DNA to restriction enzyme treatment and cloning the obtained gene library. This promoter sequence enables the use of cyanobacteria for the expression of a gene originated from other organism by preparing a DNA expression vector utilizing the promoter sequence.;COPYRIGHT: (C)1995,JPO
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