Primrose Bio offers mRNA manufacturing solutions for RNA-based vaccines and therapeutics, including both ready-to-use and custom Prima RNApols™ designed to improve mRNA synthesis and in vitro transcription (IVT) consistency. Built on deep enzyme engineering and manufacturing expertise, Prima RNApols give mRNA developers greater control over yield and product quality with reduced input requirements. This delivers predictable IVT performance during process development at lower cost.
The Prima RNApols portfolio is designed to meet a range of program needs and DNA template requirements. Ready-to-use Prima RNApols are validated, consistent, and available in reagent and GMP-grades for rapid product development. For programs with more specific requirements, Primrose collaborates closely with partners to design custom RNA polymerases tailored to defined quality attributes, cost targets, and manufacturing objectives. This dual approach gives teams the right balance of speed, customization, and performance.
Prima RNApols are built for demanding mRNA applications, including long templates and self-amplifying RNA. Polymerase choice strongly impacts yield, dsRNA levels, and capping efficiency. By reducing dsRNA and other reaction byproducts while improving reagent efficiency, Prima RNApols can simplify downstream processing and improve overall process economics.
Together, the Prima RNApols portfolio reduces variability, aligns enzyme performance with target product profiles, and expands the range of mRNA constructs that can be manufactured reliably at scale.
WEBINARS AND VIDEOS
Engineered RNA Polymerases For High Quality, Low-Cost mRNA Manufacturing
Hear how engineered enzymes improve mRNA synthesis by reducing double-stranded RNA and lowering input costs. These advancements ensure high purity and integrity for complex, long-format therapeutic templates.
CONTACT INFORMATION
Primrose Bio
10790 Roselle St
San Diego, CA 92121
UNITED STATES
Phone: (858) 352-4400
FEATURED INSIGHTS
dsRNA: Why Polymerase Choice Matters
Polymerase selection during IVT shapes dsRNA levels, processing costs, and product quality. See how enzyme engineering reduces abortive transcripts and improves purity profiles for complex mRNA manufacturing applications.
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![GettyImages-1409734937 RNA polymerase]( "RNA Polymerases For Efficient mRNA Manufacturing")
Precise enzyme selection in IVT reduces dsRNA byproducts and boosts capping efficiency. This ensures high-quality mRNA production while easing the burden of complex downstream purification processes.
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![Advancing RNA_Primrose Scientific Poster Melanie Venter]( "Advancing mRNA Therapeutics With High Performance RNA Polymerases")
Learn how optimized RNA polymerases enhance mRNA therapeutic quality and transcript integrity by increasing yield and capping efficiency while reducing double-stranded RNA impurities.
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![Primrose Bio - Poster_Engineered Enzymes_Capping Analysis (002)]( "Engineered Enzymes Powering The Future Of mRNA Therapeutics")
Optimizing RNA polymerase selection significantly improves mRNA yield and purity while reducing dsRNA. Discover how advanced enzyme engineering enhances therapeutic manufacturing efficiency and safety.
SOLUTIONS
Prima Product Line Up
Discover how specialized RNA polymerase variants solve yield, purity, and capping challenges across different template lengths, with substantive improvements over standard T7 polymerase performance.
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![Advancing RNA_Primrose Infographic Melanie Venter]( "Enabling mRNA Manufacturing For RNA-Based Vaccines And Therapeutics")
Learn about next-generation RNA polymerases that support diverse cap analog chemistries and modified nucleotides, ensuring high capping efficiency and sequence integrity for complex therapeutics.
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![Primrose Bio - Prima RNApols]( "ExTend Cap AU Kit: Next-Gen Polymerase For Self-Amplifying mRNA")
Achieve superior transcript purity and capping efficiency while reducing double-stranded RNA. This approach lowers manufacturing costs and simplifies purification for high-quality therapeutic production.
