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Aims and scope

Microbial Cell Factories is an open access, peer-reviewed, online journal that covers any topic related to the development, use and investigation of microbial cells as producers of recombinant proteins and natural products, or as catalyzers of biological transformations of industrial interest. Microbial Cell Factories is the world leading, primary research journal fully focusing on Applied Microbiology.

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A new potential secretion pathway for recombinant proteins in Bacillus subtilis

Due to the lack of an outer membrane, Bacillus subtilis is considered a desirable ‘cell factory’ for the secretion of recombinant proteins. However, bottlenecks in the classical pathway for the secretion of recombinant proteins limit its use on a wide scale. Wang et al. show that non-classically secreted proteins can lead recombinant proteins to the culture medium, and thus non-classical protein secretion pathways can be exploited as a novel secretion pathway for recombinant proteins.


Microbial Cell Factories publishes selected collections of research articles, conference proceedings, reviews and reports as supplements, which are free to access online. All articles published in supplements are subject to peer review; meeting abstracts undergo review and selection by the conference.

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