Cell Surface-Associated Proteins in the Filamentous Cyanobacterium Anabaena sp. strain PCC 7120

• Published in: Microbes and Environments Vol. 27; no. 4; pp. 538 - 543
• Main Authors: Yoshimura, Hidehisa, Ikeuchi, Masahiko, Ohomori, Masayuki
• Format: Journal Article
• Language: English
• Published: Japan Japanese Society of Microbial Ecology / Japanese Society of Soil Microbiology / Taiwan Society of Microbial Ecology / Japanese Society of Plant Microbe Interactions / Japanese Society for Extremophiles 2012; Japan Science and Technology Agency; Japanese Society of Microbial Ecology/The Japanese Society of Soil Microbiology
• Subjects: Anabaena; Anabaena - cytology; Anabaena - genetics; Anabaena - metabolism; Bacterial Proteins - genetics; Bacterial Proteins - metabolism; cell surface protein; Cyanobacteria; DNA-Binding Proteins - genetics; Electron Transport - genetics; Electrophoresis, Polyacrylamide Gel; environmental response; Membrane Proteins - analysis; Membrane Proteins - genetics; Membrane Proteins - metabolism; Protein Biosynthesis - genetics; Proteolysis; Short Communication; stress response; Stress, Physiological - genetics
• ISSN: 1342-6311; 1347-4405
• DOI: 10.1264/jsme2.ME12091

The cell surface senses environmental changes first and transfers signals into the cell. To understand the response to environmental changes, it is necessary to analyze cell surface components, particularly cell surface-associated proteins. We therefore investigated cell surface-associated proteins from the filamentous cyanobacterium Anabaena sp. strain PCC 7120. The cell surface-associated proteins extracted by an acidic buffer were resolved by SDS-PAGE. Eighteen proteins were identified from resolved bands by amino-terminal sequencing. Analysis of cell surface-associated proteins indicated that several proteins among them were involved in nucleic acid binding, protein synthesis, proteolytic activity and electron transfer, and other proteins were involved in the stress response.