Bacteria TRIZ Cases

Methionine-loaded biochar activates Clostridium bacteria to methylate arsenic while inhibiting methane emissions in contaminated soils.

DNA vaccine encoding consensus HBV antigens elicits broad immunity against variable genotypes while lowering production costs.

Replacing natural promoters with strong constitutive variants increases MK-7 yield by 3.53 times, overcoming insufficient metabolic flux in wild-type strains.

Switching ketol-acid reductoisomerase to NADH dependence resolves the contradiction between limited aerobic yields and anaerobic production failure.

Recombinant microorganisms utilize a reverse glyoxylate shunt to synthesize glycolic acid and glycine via enzymatic carbon fixation.

HMX4369BS sweet corn hybrid resolves yield versus quality trade-offs by integrating disease resistance genes.

A Clostridium beijerinckii strain enables butanol production under facultative anaerobic conditions.

Multi-well assay identifies bacteria binding gold and silver via surface chelation, replacing cyanide leaching to reduce environmental harm.

Recombinant microorganisms ferment carbon monoxide to synthesize terpenes via engineered metabolic pathways.

Lactobacillus hilgardii strains reduce dry matter loss by inhibiting secondary fermentation and heating onset in high dry matter silages.

Recombinant cyanobacteria thrive in saline environments using engineered halotolerance genes for sustainable biofuel production.

Genetically engineered Lactobacillus strains overcome butanol toxicity to enable high-titer bioproduction of alcohols.

Overexpressing purC, purKE, and prs genes in Corynebacterium ammoniagenes resolves the trade-off between strain construction complexity and production yield.

Genetically engineered C1-fixing microorganisms co-produce nanobodies and target chemicals from gaseous substrates.

Spray drying Gram-negative bacteria with polyether compounds reduces water activity, resolving storage stability issues and eliminating refrigeration needs.

Lactobacillus paracasei MCC1849 maintains immunostimulatory activity despite cell wall-digesting enzymes and RNases in the human body.

Methylation protects plasmid DNA from restriction, enabling efficient Bifidobacterium transformation despite low baseline efficiency.

Cholinium lysinate aqueous solvents depolymerize PET and PLA mixtures into monomers, overcoming contamination issues in traditional mechanical separation.

Segmenting Aleuria aurantia lectin into monovalent peptides eliminates agglutination, ensuring linear diagnostic relationships.

Beta-lactamase and fluorescent protein reversion reporters quantify mutagenesis, replacing labor-intensive visual screening with automated fluorescence signals.