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Common Non-classically Secreted Bacterial Proteins with Experimental Evidence

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Abstract

The non-classically secreted proteins are the proteins that are located in the extracellular milieu despite the absence of known signal peptides or other targeting peptides. Numerous experimental studies have discovered many non-classically secreted proteins, but there are many inconsistencies in these reports even on a specific organism. In order to reduce the impact of artefactual contamination of protein samples and cell lysis, this review listed 45 common non-classically secreted proteins. The list of non-classically secreted proteins was complied from studies carried out by different groups in various bacterial species. The complied list can provide a reliable experimental material for further research on non-classical protein secretion. It is noticeable that some of these proteins are hyper-secreted when expressed in specific species or under some induction conditions. So we also discussed the possibilities of using the non-classical secretion pathway for the production of recombinant proteins in the review.

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Acknowledgments

This work was supported by the National Natural Science Foundation of China (No. 31401670), “Chen Guang” Project Supported by Shanghai Municipal Education Commission and Shanghai Education Development Foundation (No. 13CG50), the Training Project of Young Teachers of Universities in Shanghai, Program for New Century Excellent Talents in University (No. NCET-13-0901) and Agriculture Science Technology Achievement Transformation Fund (NO. 2013GB2C000153).

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  1. School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, People’s Republic of China

    Guangqiang Wang, Yongjun Xia, Xin Song & Lianzhong Ai

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  1. Guangqiang Wang
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  2. Yongjun Xia
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  3. Xin Song
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Correspondence to Lianzhong Ai.

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Wang, G., Xia, Y., Song, X. et al. Common Non-classically Secreted Bacterial Proteins with Experimental Evidence. Curr Microbiol 72, 102–111 (2016). https://doi.org/10.1007/s00284-015-0915-6

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