Preparation of Polyclonal Antibody of Allophycocyanin Protein in the Cyanobacterium Synechocystis sp.Strain PCC 6803 Molecular Cloning and Construction of agp Gene Deletion-mutant in Cyanobacterium Synechocystis sp. PCC 6803 Relationship Between the Growth of Synechocystis sp. PCC 6803 on Medium with Glucose and the Photosynthetic Energy Transformation The Integration and Expression of ββ Mutant Gene of Human Liver Metallothionein in Synechocystis sp. PCC 6803 by Homology Recombination Slr0151 in Synechocystis sp. PCC 6803 is required for efficient repair of photosystem II under high-light condition Studies on the Purification, Characterization and Conformati on in Solution of Metallothionein like Substance from Synechocystis 6803 Slr1122 Affects Activity of Hybrid Sensory Kinase and Regulates the Biosynthesis of Carotenoids in Synechocystis sp.PCC 6803