Fungi TRIZ Cases

Strain EXY1A109 achieves 99.71% inhibition against toxin-producing Aspergillus flavus, resolving nutrient loss from chemical methods.

Deleting PXA1 and PXA2 transporter genes in yeast increases sophorolipid productivity and versatility while reducing production costs.

A novel beta-galactosidase gene from Bacillus circulans enables recombinant production of galactooligosaccharides with high conversion efficiency.

Replacing traditional soy-wheat substrates with sterilized peas and Aspergillus mold eliminates allergen carryover while maintaining comparable flavor profiles.

Invalidating the gel3 gene in fungal strains reduces fermentation viscosity, enabling higher cellulase productivity without excessive energy expenditure.

A modified DNA methyltransferase specifically recognizes and methylates CC dinucleotide sequences.

Engineered microbial cells express non-native histidine decarboxylase to overcome feedback inhibition and boost histamine titers.

Selected yeast strains reduce malic acid by over 50% without producing undesirable compounds, avoiding regulatory constraints on genetically modified organisms.

N-s34 culture line creates LA3782 hybrid to boost third-flush yield while extending shelf-life against limited genetic diversity.

Defined Lactobacillus curvatus SPC-SNU 703 resolves contamination risks in sourdough by ensuring consistent quality and slower aging.

Deleting the alcohol oxidase gene in Candida bombicola prevents alcohol consumption for energy, boosting glycolipid yields under mild conditions.

Trichosporon dermatis L7 consumes glucose and xylose simultaneously, eliminating glucose repression that extends fermentation time.

Knocking out ERG5 and ERG6 genes in yeast reduces zymosterol accumulation, enabling higher yields of vitamin D3 precursors like 7-dehydrocholesterol.

Modified yeast overexpresses acetyl-CoA carboxylase and fatty acid synthases to produce fatty acids.

Streptomyces-derived AMP deaminase maintains catalytic activity at 65°C to enable simultaneous enzyme treatment.

Overexpressing mutant xylose reductase with altered NADPH affinity in recombinant Hansenula polymorpha strains enhances ethanol production.

A biodegradable burial pod uses living mushroom spores and fluid channels to accelerate decomposition of buried contents.

Replacing peptone with precise chemical compounds eliminates batch variation and precipitation while supporting rapid growth of diverse prokaryotes and fungi.

A mutated tetraprenyl-β-curcumene cyclase converts squalene directly into ambrein through a single biocatalytic step.

Disrupting the rlmA gene redirects metabolic flux toward secreted polypeptides, increasing yield despite reduced cell wall stress resistance.

Bilayer particles create dual pH zones enabling concurrent xylose isomerization and ethanol fermentation.

Genetic modifications enable simultaneous sugar consumption, resolving preferential glucose uptake that limits biofuel yield.

Using Pichia kluyveri starter cultures standardizes spontaneous fermentation to resolve inconsistent flavor profiles in cocoa beans.

Varying light and heavy chain gene copies in diploid Pichia pastoris increases antibody yield by 10-100% while decreasing undesired side-products.

Surface-displayed endoglycosidase in Pichia removes immunogenic glycans without releasing enzymes, eliminating purification steps.

Deleting YJL065c and overexpressing TDH3 genes enables yeast to maintain viability during high-temperature fermentation, reducing process time.

Engineered microbial pathways biosynthesize steviol glycosides, eliminating bitter aftertastes and extensive purification steps.

Inducible restriction enzymes destroy yeast mitochondrial DNA to shift metabolism toward anaerobic fermentation.

Targeted mutations in the binding pocket resolve substrate acceptance and stereoselectivity trade-offs, enabling high-yield amine synthesis.

Plant SWEET transporters enable simultaneous glucose and xylose uptake in recombinant yeast, resolving glucose inhibition of pentose fermentation.

Engineered recombinant yeast strains produce glucose and derivatives from non-grain carbon sources through targeted metabolic pathway modifications.

Genetic modification enables anaerobic co-fermentation of multiple C5 sugars, resolving low productivity constraints.

Recombinant L-proline cis-4-hydroxylase converts inexpensive L-proline into cis-4-hydroxy-L-proline, overcoming high costs and low yields of existing methods.

Engineered PCNA variants eliminate RFC dependency, balancing fidelity and extendibility for high-versatility PCR applications.

Engineering Ustilago maydis with ADI and TAD enzymes bypasses Aspergillus morphology control issues while eliminating feedback inhibition.

Specialized media combinations enhance nutritional profiles of mycelial mass through symbiotic fermentation, resolving suboptimal biomass composition.

Non-aqueous solvent systems with surfactants prevent hyphae entanglement and cell aggregation, enabling high-density fungal cultures.

Fermentation using Thraustochytrium species yields stable lipid sources, bypassing fish-derived flavor taints and environmental pollutants.

Replacing ammonium salts with urea in Pichia pastoris fermentation reduces production time by accelerating nitrogen assimilation and stabilizing pH.

Segmented metabolic pathways enable high-yield 1,3-diaminopropane production in engineered microbes.

Recombinant CEL45 cellulase maintains activity at 90°C to resolve the contradiction between high reaction rates and enzyme stability in textile applications.

Extrachromosomal switching auxotrophies progressively by integration assembles large DNA segments in yeast using iterative homologous recombination.

Targeting HMGB1 with monoclonal antibodies resolves neuronal damage and DNA injury caused by amyloid pathology.

CRISPR-Cas9 modification of yeast alleles resolves genetic diversity bottlenecks to boost acetic acid and isobutanol production.

A pH-based fed-batch control method adjusts carbon feed rates using Fourier transformation of pH signals to quantify metabolic activity.

A modified aminotransferase converts ketone compounds into optically active amino acids through specific amino acid substitutions.

Engineered polynucleotide variants optimize enzyme catalytic activity to increase alkaloid yields while maintaining controlled production environments.

Genetic and metabolic profiling identifies stable endophyte variants, overcoming low inoculation frequency and germplasm instability.

Dynamic fermentation control adjusts temperature and pH based on market signals, resolving the contradiction between production rate and economic stability.