Home / Services / Synthetic Biology Chassis Development / Fungal Chassis Engineering / Yeast Genome Editing & Metabolic Engineering Solutions / Yeast Genome Editing

Yeast Genome Editing Services

High-Precision Genomic Engineering for Next-Generation Industrial Biotechnology. Yeast remains the premier eukaryotic workhorse for industrial fermentation, synthetic biology, and recombinant protein production. CD Biosynsis provides professional Yeast Genome Editing Services, utilizing cutting-edge CRISPR/Cas9 toolkits to perform scarless gene knockouts, multi-loci integrations, and metabolic pathway rewiring. Our platforms are optimized for both Saccharomyces cerevisiae and Pichia pastoris (Komagataella phaffii), enabling the rapid construction of high-performance strains for biofuels, pharmaceutical intermediates, and food-grade proteins.

Get a Technical Quote
Services Offered Integrated Workflow Application Studies Key Advantages FAQs

Comprehensive Services Offered

Our platform integrates advanced CRISPR-mediated technologies with metabolic modeling to transform yeast into highly efficient microbial cell factories. We provide specialized toolkits for the most widely used industrial yeast species.

Service Tier Technical Strategy Primary Application Standard Deliverables
Markerless Knockout CRISPR/Cas9 Allelic Replacement Industrial fermentation & Biofuels Verified null mutants + Growth data
Multi-Loci Integration CrEdit (Multi-loci) Platform Heterologous pathway assembly Integrated strains + Pathway validation
Metabolic Rewiring Synthetic Biology Chassis Optimization High-value drugs (e.g., 6-MSA) High-titer production strains + Titer report
Pichia Toolkit Engineering Markerless Expression Cassettes Recombinant protein & Food proteins Optimized P. pastoris strains

Our Specialized Capabilities

  • Markerless Genomic Engineering: Utilizing CRISPR/Cas9 to perform insertions and deletions without leaving antibiotic markers—essential for food-grade safety and genetic stability.
  • CrEdit (CRISPR-mediated Editing): A high-efficiency system that enables simultaneous assembly of complex metabolic pathways across different genomic loci with near 100% efficiency.
  • Industrial Feedstock Adaptation: Engineering strains to utilize complex feedstocks like sugarcane molasses while maintaining high metabolic flux and industrial stress tolerance.

Integrated Workflow

Industrial yeast genomic engineering and CRISPR-mediated editing workflow

1. Target Design & Simulation

2. Vector Construction

3. Genome Execution

4. Phenotypic Screening

Identifying optimal integration sites and designing high-specificity gRNAs to maximize recombination efficiency.

Formal project proposal and Mutual NDA signing.

Developing customized CRISPR/Cas9 systems and donor DNA fragments for precise genomic interventions.

Assembling expression cassettes for markerless insertion into Pichia or Saccharomyces.

Performing multiplexed edits, including scarless deletions, promoter swapping, or multi-gene pathway assembly.

Ensuring nearly 100% integration efficiency using the CrEdit platform.

High-throughput characterization under industrial fermentation conditions and final verification via Sanger/WGS.

Final delivery of high-performance engineered strains and comprehensive data reports.

Application Studies: Technical Benchmarks in Yeast Engineering

To deliver world-class results, our technical team continuously monitors and benchmarks our protocols against landmark research in the field. These studies demonstrate the versatility of engineered yeast.

Biofuel Optimization Pharma Intermediates Pathway Assembly Markerless Pichia

Application Study 1: Biofuel Optimization for Sugarcane Molasses Fermentation

Fermenting sugarcane molasses presents significant industrial challenges. By utilizing CRISPR/Cas9 to replace the PHO4 gene in Saccharomyces cerevisiae, research has demonstrated improved metabolic efficiency and higher stress tolerance. The resulting engineered strains exhibit significantly higher ethanol yields, providing a robust solution for large-scale biofuel production.
(Reference: Wu et al., 2020)

Application Study 2: High-Level Synthesis of Pharmaceutical Intermediates (6-MSA)

Converting yeast into a factory for high-value drug precursors (e.g., 6-methylsalicylic acid) requires complex rewiring. Benchmarks showcased the use of CRISPR/Cas9 to integrate multiple pathway genes and optimize enzyme activity. These engineered strains achieved a 10-fold increase in 6-MSA production compared to traditional strains, highlighting yeast’s potential in pharma R&D.
(Reference: Zhang et al., 2021)

Application Study 3: CrEdit Platform for Complex Pathway Assembly

Building heterologous pathways, such as beta-carotene biosynthesis, requires multiple gene integrations. Utilizing the CrEdit system, researchers achieved nearly 100% integration efficiency for three key genes at different loci without selection markers. This strategy drastically accelerates the construction of complex industrial strains.
(Reference: Sanchez et al., 2023)

Application Study 4: Markerless Engineering in Pichia pastoris (K. phaffii)

For recombinant protein and food protein production, Pichia pastoris is a vital host. Advanced CRISPR/Cas9 toolkits now enable markerless integration of expression cassettes. This solves the traditional marker dependency problem, allowing for efficient integration of multi-gene pathways for the next generation of biomaterials.
(Reference: Li et al., 2025)

Key Advantages

  • Near 100% Efficiency: Superior success rates for multi-gene pathway assembly using the CrEdit platform.
  • Regulatory Ready: Markerless and scarless engineering ensures compliance with food safety and pharmaceutical regulations.
  • Industrial Fitness: Expertise in engineering yeast to maintain high metabolic flux under industrial-scale stress.
  • Full IP Protection: All customized genomic designs and engineered strains are 100% owned by the client.

FAQs About Yeast Genome Editing

Ready to engineer your next-generation industrial yeast strain?

Contact Us

1. What is the benefit of "markerless" integration for industrial yeast?

Markerless integration ensures the final strain contains no antibiotic resistance or auxotrophic markers. This is critical for industrial stability, avoids selective pressure, and is often a regulatory requirement for food-grade production.

2. Can you perform edits in my proprietary industrial yeast strain?

Yes. We have extensive experience adapting our CRISPR/Cas9 toolkits to diverse industrial and wild-type backgrounds. We work under strict NDAs to optimize your proprietary chassis.

3. How many genes can you integrate simultaneously in one round?

Utilizing our CrEdit platform, we can typically integrate 3 to 5 key genes into different genomic loci in a single round, significantly reducing the R&D timeline for complex pathways.

4. How do you verify the stability of the engineered integrated genes?

We perform long-term stability trials (e.g., >50 generations) and use Whole Genome Sequencing (WGS) to ensure the integrated pathways are maintained without genomic rearrangements.

5. Is the CRISPR/Cas9 machinery removed from the final production strain?

Yes. We utilize transient expression systems or specialized curing protocols to ensure that all CRISPR components are removed after the editing is complete, leaving a clean engineered strain without foreign DNA footprints.

Scientific References

  1. Enhanced ethanol production from sugarcane molasses via PHO4 replacement (2020).
  2. Metabolic engineering of S. cerevisiae for high-level production of 6-MSA (2021).
  3. CRISPR-mediated multi-loci integration (CrEdit) in S. cerevisiae (2023).
  4. A toolkit for markerless integration in Komagataella phaffii via CRISPR/Cas9 (2025).