Bacteria TRIZ Cases

Engineered microbes fix nitrogen at root zones, reducing synthetic fertilizer dependency and minimizing environmental runoff losses.

A gas circulating unit mixes synthesis gas in segmented storage compartments to ensure uniform composition before feeding the fermenter.

Cultivating Shewanella decolorationis S3-4 replaces wild fish extraction, eliminating resource destruction while enabling large-scale toxin supply.

Gnotobiotic trout models identify specific probiotic bacterial strains that restore host protection against Flavobacterium columnare infections.

Genome-reduced bacterial minicells express recombinant antigens on their surface, accelerating vaccine development cycles.

Lactobacillus brevis G-101 converts harmful monosodium L-glutamate into gamma-aminobutyric acid, reducing MSG absorption and alleviating symptom complex.

Overexpressing alpha 1,2 mannosidase in host cells increases glycoprotein production by 20-fold without sodium butyrate toxicity.

Halophilic bacteria isolate from saltwater process brown algae to generate methane, eliminating freshwater consumption and fertilizer requirements.

Engineered yeast expresses a multi-enzyme system to hydrolyze hemicellulose oligomers, reducing production costs by eliminating external enzyme requirements.

Introducing a CE2495 homolog into host cells improves diamine export efficiency, resolving low productivity limits.

A thermostable FGF-2 variant with a K128N substitution maintains biological activity at lower concentrations.

Candidatus Pseudomonas metallosolvens solubilizes precious metals using biogenic hydrocyanic acid produced from glycine metabolism.

Specific lactobacilli and bifidobacteria strains increase transepithelial electric resistance to strengthen intestinal barrier integrity.

Thermoanaerobacter cells convert lignocellulosic hydrolysates into lactic acid and ethanol at temperatures above 70 degrees Celsius.

Specific microbes consume abrasive tool bonds through redox reactions to enable precise dressing.

Bifidobacterium longum AH1362 produces exopolysaccharides to increase energy excretion, addressing inadequate existing probiotics for reducing fat accumulation.

Engineered O-methyltransferase catalyzes methylation of multiple benzylisoquinoline alkaloid parent nuclei with enhanced activity.

Modifying upstream nucleotide sequences regulates (R)-specific enoyl-CoA hydratase gene expression in recombinant microorganisms.

Culturing probiotic bacteria on novel plant-derived media to generate robust biomass with enriched nutritional profiles.

Engineered E. coli strains assimilate sucrose via permease and hydrolase genes, resolving industrial bottlenecks in amino acid production costs.

Agitated culture of Gluconacetobacter intermedius yields water-dispersible bacterial cellulose, resolving poor moldability and low production efficiency.

Engineered bacteria secrete lysin peptides to destroy Clostridium perfringens, reducing antibiotic resistance risks in poultry production.

Separating fermentation and drying stages with eddycurrent transfer reduces sticking and shortens processing time.

High-ratio coacervate matrices shield microbial cultures, maintaining viability at 37°C without refrigeration.

Deleting the non-mevalonate pathway stabilizes precursor synthesis and prevents cytotoxicity in recombinant cells producing isoprene.

Engineered Saccharomyces strain uses NADH-prefering xylose reductase to enable anaerobic pentose fermentation.

Isolating Thermacetogenium phaeum enables targeted cultivation that boosts biogenic gas yields from existing oil sites.

Probiotic bacteria colonize the gut to reduce systemic inflammation, preventing cartilage damage and bone loss associated with osteoarthritis progression.

Identify Streptococcus anginosus and other microbes in stool samples to mitigate relapse risks following hematopoietic stem cell transplantation.

Mutations at specific residues in XylR and CRP proteins overcome catabolite repression, enabling efficient xylose metabolism alongside glucose.

Machine learning identifies thermotolerant PET hydrolases to overcome narrow enzyme diversity and improve degradation efficiency.

Replacing animal components with plant-derived peptones eliminates TSE infection risks while increasing bacterial growth and toxin yields.

Adding redox active compounds to anaerobic cultures diverts electron flow from hydrogen formation toward longer chain organic acid synthesis.

Mutant lysine decarboxylase enzymes maintain catalytic activity across broad pH ranges and elevated temperatures.

Codon optimization of sgp130 encoding nucleic acid sequences enhances recombinant protein expression in mammalian and bacterial host cells.

Orthogonal tRNA systems incorporate 3-aminotyrosine residues to probe radical propagation mechanisms that inactive mutants obscure.

Adding a permeable reducing agent to culture media prevents protein aggregation and improves soluble yield of recombinant proteins with reduced cysteines.

A method prepares hyperthermophilic aerobic fermentation inoculants using sewage sludge and protective agents to enhance bacterial survival rates.

IncP-based cosmid vectors resolve high copy number bottlenecks to improve plant transformation efficiency.

Low expression levels limit synthesis, so the strain uses a linker-based fusion protein to achieve 55% higher cumulative production.

Optimized GH20 hexosaminidases catalyze trans-glycosylation to produce human milk oligosaccharide core structures.