Abstract
Increasing concerns over limited petroleum resources and associated environmental problems are motivating the development of efficient cell factories to produce chemicals, fuels, and materials from renewable resources in an environmentally sustainable economical manner. Bacillus spp., the best characterized Gram-positive bacteria, possesses unique advantages as a host for producing microbial enzymes and industrially important biochemicals. With appropriate modifications to heterologous protein expression and metabolic engineering, Bacillus species are favorable industrial candidates for efficiently converting renewable resources to microbial enzymes, fine chemicals, bulk chemicals, and fuels. Here, we summarize the recent advances in developing Bacillus spp. as a cell factory. We review the available genetic tools, engineering strategies, genome sequence, genome-scale structure models, proteome, and secretion pathways, and we list successful examples of enzymes and industrially important biochemicals produced by Bacillus spp. Furthermore, we highlight the limitations and challenges in developing Bacillus spp. as a robust and efficient production host, and we discuss in the context of systems and synthetic biology the emerging opportunities and future research prospects in developing Bacillus spp. as a microbial cell factory.
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Acknowledgments
This project was financially supported by the Enterprise-university-research prospective program, Jiangsu Province (BY2012054), 111 Project (111-2-06), 863 Program (2012AA022202), and 973 Program (2012CB720806, 2013CB733602).
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Long Liu and Yanfeng Liu contributed equally.
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Liu, L., Liu, Y., Shin, Hd. et al. Developing Bacillus spp. as a cell factory for production of microbial enzymes and industrially important biochemicals in the context of systems and synthetic biology. Appl Microbiol Biotechnol 97, 6113–6127 (2013). https://doi.org/10.1007/s00253-013-4960-4
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DOI: https://doi.org/10.1007/s00253-013-4960-4