Bacteria TRIZ Cases

Identified MacB and YggT proteins export O-phosphoserine efficiently, resolving low secretion rates that limit L-cysteine production yields.

Replacing acid hydrolysis with biological fermentation, the strain eliminates sulfuric acid waste while achieving 57.3% glucose transformation.

Non-adsorbable nutrients like urea maintain bioavailability in coal seams, resolving toxicity trade-offs to boost sustained methane generation rates.

Engineered Pseudomonas putida strains utilize heterologous chromosomal pathways to metabolize xylose and galactose efficiently.

Deleting the yigL gene prevents PLP decomposition, maintaining intracellular concentrations that increase L-tryptophan yield by up to 60%.

Pseudomonas monteilii 9-2 degrades petroleum hydrocarbons using specialized metabolic pathways adapted to high salinity and alkalinity.

Culturing specific microorganisms to produce 3-hydroxyadipic acid via metabolic pathways, resolving low productivity in existing microbial methods.

Nano-sized kimchi lactic acid bacteria bypass conventional low survival rates by enabling direct intestinal wall absorption to treat colorectal diseases.

Analyzing intestinal flora ratios predicts Daikenchuto effectiveness and guides dosage adjustments.

A Streptomyces HS7522 strain produces milbemycin A4 via optimized fermentation.

Adding a sporulation-inhibiting substance prevents premature metabolic switching, allowing extended vegetative growth and higher spore productivity.

Recombinant Listeria strain carrying mutant PrfA protein resolves safety and efficacy trade-off by inducing E7-specific CTLs while reducing virulence.

Fermented lactic acid bacterial culture promotes probiotic microorganism growth through specific strain metabolites.

Recombinant polymerase mutations enable rapid nucleotide incorporation while maintaining high sequencing fidelity.

A self-dying recombinant strain visualizes aromatic hydrocarbon toxicity via fluorescence changes in environmental samples.

Engineered polynucleotide vectors with specific cloning sites produce ultra-high-capacity libraries with uniform sequence distribution.

Atomizing molten lipids via gas injection overcomes coagulation issues and boosts microbial assimilation.

Machine learning models predict optimal strain configurations to increase threonine yield while reducing exhaustive experimental testing complexity.

Amino acid substitutions in glutamine-hydrolyzing GMP synthase increase XMP conversion rates, resolving low productivity bottlenecks in microbial biosynthesis.

Replacing wild-type promoters with EP5 variants and mutating hypothetical proteins to resolve fermentation yield limits in Corynebacterium.

Heterologous beta-glucosidase expression in Saccharomyces cerevisiae enhances specific enzymatic activity for cellulose breakdown.

Combining demethylating Eubacterium with lactic acid bacteria regenerates tetrahydrofolic acid cofactors to boost demethylation efficiency.

Engineered Pseudomonas bacteria overcome lignin recalcitrance by expressing reductase enzymes that convert waste carbon into valuable medium chain alcohols.

Acoustic separation removes mammalian cells from biofluids before size exclusion filtration concentrates bacterial targets.

Anaerobic fermentation of engineered Zymomonas mobilis yields polyhydroxybutyrate and ethanol, reducing energy consumption from oxygen supply requirements.

Introducing sweetpotato SRD1 cDNA into plants overcomes limited root production by stimulating thickening growth and increasing storage root numbers.

Nitrate intermediary enables ammonium use, preventing nitrite poisoning and boosting biomass yield.

Merging myxobacterium and Acinetobacter metabolic pathways resolves the contradiction between productivity and cultivation complexity, boosting emulsan output.

Weakening NCgl1469 in recombinant Corynebacterium glutamicum reduces N-acetyl putrescine formation, resolving decomposition bottlenecks to boost productivity.

Engineered ImpE protein variants overcome low enzyme export activity bottlenecks to significantly increase 5'-inosine monophosphate production yields.

Cryogenic freezing under pressure dissolves gas in cellular matrices before lyophilization to preserve cell integrity.

A Corynebacterium glutamicum strain with a ptsF mutation utilizes glucose isomerase to convert sucrose into lysine.

Engineered microorganisms convert renewable carbon substrates into polyhydroxyalkanoate polymers, reducing reliance on petroleum feedstocks.

Modified Escherichia sp. utilizes the Scr-PTS gene cluster to metabolize sucrose for L-amino acid production.

Oral probiotic culture reduces fever and cough duration, decreasing economic burden from antimicrobial treatments.

Segmented zinc finger domains enable targeted gene modulation without large randomized library screening.

ATP bioluminescence assay detects bacterial presence and antibiotic susceptibility within 60 minutes using specific reagents.

Bacillus strains reduce ammonia by converting harmful decomposition into beneficial nutrient cycling, extending bedding life and improving animal health.

Lactobacillus apinorum and mellifer strains produce benzene and fatty acids to boost honey preservative properties.

NTG-treated Aspergillus sojae mutant strain yields 5-8 fold higher protease activity, eliminating contamination risks from solid-state fermentation.

A recombinant microorganism co-expressing metallothionein and phytochelatin synthase synthesizes metal nanoparticles.

Segmenting the nuclease and donor vector resolves low integration frequency when inserting large DNA fragments greater than 100 base pairs.

Increasing metallopeptidase expression in coryneform bacteria overcomes the inability to secrete multimeric proteins, enabling higher yields.

Biological degradation of sacrificial polymers eliminates solvent residue contamination and preserves transferred graphene quality.

Knocking out peptidase encoding genes prevents amino acid breakdown, increasing accumulation yields without complex regulatory mechanisms.

Vacuum-heated Bacillus thuringiensis mutant culture extracts active substances to enhance microalgal cell growth, reducing biomass production costs.

Genetically modified Methylomicrobium alcaliphilum converts methane and carbon dioxide into malonate, eliminating toxic cyanide processes.

Blocked inosine catabolism and auxotrophic mutations in Corynebacterium ammoniagenes resolve low titer issues from conventional fermentation strains.

Anaerobic microbiome converts unreacted chemical components in stillage into medium-chain fatty acids.