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Cell Mol Life Sci. 2009 Oct;66(19):3127-36. doi: 10.1007/s00018-009-0067-6. Epub 2009 Jun 25.

Display of proteins on Bacillus subtilis endospores.

Author information

1
Department of Chemical Engineering, Dong-A University, Busan, Republic of Korea.

Abstract

The targeting and anchoring of heterologous proteins and peptides to the outer surface of bacteriophages and cells is becoming increasingly important, and has been employed as a tool for fundamental and applied research in microbiology, molecular biology, vaccinology, and biotechnology. Less known are endospores or spores produced by some Gram-positive species. Spores of Bacillus subtilis are surrounded by a spore coat on their outside, and a few proteins have been identified being located on the outside layer and have been successfully used to immobilize antigens and some other proteins and enzymes. The major advantage of spores over the other published systems is their synthesis within the cytoplasm of the bacterial cell. Therefore, any heterologous protein to be anchored on the outside does not have to cross any membrane. Furthermore, spores are extremely resistant against high temperature, irradiation and many chemicals, and can be stored for many years at room temperature.

PMID:
19554258
DOI:
10.1007/s00018-009-0067-6
[Indexed for MEDLINE]

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