10 years of CRISPR/CAS genomic engineering in Yarrowia lipolytica.
Dias RG, Freitas FPM, Barbosa SL, Assis JVMG, Entringer TL
Crispr
Yeast engineered to produce plant-identical oils and fatty acids could quietly replace palm and coconut plantations — easing pressure on the tropical forests gardeners and conservationists are watching disappear.
Scientists have spent ten years refining a molecular scissors tool called CRISPR to precisely rewrite the DNA of a useful yeast. This yeast can be programmed to churn out oils, acids, and other compounds that would otherwise require large crops or chemical factories to produce. The review maps what's been achieved and sketches a roadmap using AI to design even smarter edits going forward.
Key Findings
CRISPR tools overcame a longstanding barrier in this yeast — its natural DNA repair system heavily favored messy, imprecise cuts, making targeted edits difficult before specialized plasmids like pCAS1yl were developed.
CRISPR applications now cover production of lipids, itaconic acid, erythritol, and other high-value compounds, moving well beyond single-gene edits to multiplexed metabolic pathway rewiring.
Next-generation tools including base editors, CRISPRa gene activators, Cas12a, and sgRNA libraries — combined with bioinformatics platforms for guide RNA design — are expanding editing precision and functional diversity.
chevron_right Technical Summary
A decade of CRISPR gene-editing in a specialized yeast has unlocked powerful new ways to produce oils, acids, and other useful compounds more efficiently, with AI and machine learning poised to push the technology further.
Abstract Preview
Yarrowia lipolytica is a versatile cell factory widely used in bioprocesses for producing lipids, organic acids, and other high-value compounds. Historically, its genetic engineering was constraine...
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