Welcome to Creative Biolabs' Recombinant Probiotic-Derived Protein Portfolio. As a pioneering leader in microbiome solutions and Live Biotherapeutic Product (LBP) development, we have established a centralized hub featuring an extensive catalog of recombinant proteins encoded by functional probiotic genomes.
By isolating key functional genes from diverse beneficial microbes and heterologously expressing them in highly efficient, well-characterized host systems-including Escherichia coli (E. coli), Yeast, and Mammalian cells-we bridge the gap between native microbiome discoveries and scalable preclinical research. This dedicated product line serves as an essential gateway for global researchers seeking highly purified, biologically active, and batch-to-batch consistent protein tools that bypass the traditional bottlenecks of native microbial extraction. [Contact Our Scientific Team for a Quick Quote] to accelerate your discovery timeline.
Background: Decoding the Molecular Language of Probiotics
Probiotics, predominantly encompassing Lactobacillus, Bifidobacterium, and specific beneficial strains like Saccharomyces boulardii, do not merely exert health benefits through their physical presence. Their therapeutic effects are heavily driven by an intricate molecular dialogue mediated by specific functional proteins. These molecules include Surface Layer Proteins (SLPs) that govern epithelial adhesion, Bacteriocins that selectively inhibit pathogens, Immunomodulatory Factors that fine-tune mucosal cytokine responses, and Metabolic Enzymes that influence host homeostasis.
Despite their immense potential as biotherapeutic candidates or research biomarkers, exploring these proteins directly from their native hosts poses significant technical hurdles:
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Low Expression Yields: Native probiotic strains often express these functional proteins in trace amounts under tightly regulated, niche-specific physiological conditions.
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Complex Downstream Purification: Culturing and lysing fastidious anaerobes frequently results in complex lysates contaminated with heavy structural cellular matrixes, making high-purity isolation exceedingly difficult.
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Strict Growth Requirements: Many clinical-grade probiotics require specialized, cost-prohibitive growth media, severely limiting scalability for industrial or robust animal-model research.
To overcome these barriers, Creative Biolabs leverages advanced genetic engineering to transfer these high-value probiotic genes into robust heterologous expression systems. This strategy unlocks massive scalability, precise structural control, and optimized post-translational modifications (PTMs), providing researchers with the reliable molecular tools necessary to dissect host-microbe interactions and validate the LBP mechanism of action.
How to Find Your Target Product: Our Product Categories by Target
To streamline your navigation through our extensive collection, our portfolio is organized alphabetically according to the specific Target Name. Click on any letter below to instantly jump to the corresponding section, view host specifications, and access direct product links.
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Applications
Our recombinant probiotic-sourced proteins serve as vital catalysts across numerous biomedical domains:
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Host-Microbe Cross-Talk
Mapping the exact binding mechanisms of probiotic surface antigens to gut epithelial receptors and mucus layers.
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Immunological Profiling
Evaluating how probiotic-secreted factors modulate mucosal T-cell differentiation, dendritic cell activation, and cytokine profiles.
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Antimicrobial Drug Discovery
Exploring the structural and functional properties of recombinant bacteriocins as novel alternatives to traditional antibiotics.
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Diagnostic & Bioassay Standards
Serving as high-quality, quantitative reference standards for ELISA, Western Blot, and automated multiplex immunoassay development during LBP CMC validation.
Our Advantages
Navigating through Creative Biolabs' probiotic protein line ensures access to an industry-leading protein engineering ecosystem:
Versatile Heterologous Hosts
We offer a versatile selection of expression systems. Choose E. coli for fast, cost-effective high yields; Yeast for balanced eukaryotic processing; or Mammalian Cells (CHO / HEK293) for native-like glycosylation and complex structural folding.
Superior High Purity
Utilizing multi-step sequential chromatography (including affinity, ion exchange, and size exclusion), we routinely achieve purity levels ≥85%, drastically reducing background noise in sensitive cellular assays.
Translational AssaysStringent Quality Control & Traceability
Every batch undergoes rigorous quality validation, including SDS-PAGE, Western Blot, High-Performance Liquid Chromatography (HPLC), and precise mass spectrometry analysis.
Optimized Endotoxin Mitigation
Recognizing that E. coli expression poses endotoxin risks, we implement advanced endotoxin-removal protocols to ensure our catalog proteins are compatible with delicate in SLPs immune simulations and in vivo animal studies.
Ready to Explore Our Probiotic Protein Portfolio?
Creative Biolabs stands at the intersection of advanced protein engineering and microbiome science. Whether you need a single catalog standard for an in vitro assay or a customized bulk batch for preclinical validation, our Ph.D.-level experts are here to support your mission.
Request a Portfolio Quote / Place Your Order
Our scientific support team will review your inquiry and respond with a comprehensive, professional quote within 24 hours.
Frequently Asked Questions (FAQs)
Why are these probiotic proteins expressed heterologously instead of being purified from wild-type probiotics?
Wild-type probiotics typically express these proteins at very low basal levels under strict anaerobic conditions, often rendering extraction commercially and technically unfeasible. Heterologous expression in E. coli, Yeast, or Mammalian systems provides massive, predictable protein yields, ensures high purification efficiency, and avoids the risk of contamination from other native bacterial structural components.
How does the expression host affect the functionality of a probiotic protein?
The choice of host determines the post-translational modifications (PTMs). For simple structural proteins or enzymes that do not require glycosylation, E. coli provides the highest yields. However, if a probiotic protein (such as certain complex cell-wall anchors or secreted glycoproteins) requires precise disulfide bond networks or sugar chains to remain active, a Yeast or Mammalian host is chosen to retain its biological relevance.
How do you address endotoxin concerns for proteins expressed in E. coli?
We apply proprietary endotoxin-removal procedures during our multi-step chromatography processes. The precise endotoxin specification is outlined on each product's Certificate of Analysis (CoA). For ultra-sensitive applications, we also offer custom high-grade endotoxin clearance to achieve levels suited for in vivo animal testing.
Can Creative Biolabs produce a probiotic-derived protein that is not listed in your standard catalog?
Absolutely. Backed by our extensive CRO capabilities, we offer a full-spectrum Custom Probiotic Recombinant Protein Expression Service. You only need to supply the sequence information or NCBI accession number; our team will perform codon optimization, construct the expression plasmid, select the optimal host, and deliver your customized protein batch-to-batch.
