Bacteria TRIZ Cases

Defined bacterial consortium achieves high degradation rates for MTBE and TBA while eliminating intermediate accumulation common in unstable cultures.

Protease treatment reduces sample complexity for rapid filtration, cutting incubation time and limiting broad-spectrum antibiotic use.

Lactobacillus brevis SPC-SNU 70-2 ferments maltose in flour dough, resolving contamination issues that cause flavor deterioration and quality inconsistency.

Recombinant Bacillus subtilis dapA gene enables high yield L-lysine production in Escherichia bacteria.

Pre-adapted modified bacteria degrade oxalate in the gut, resolving adaptation failures of exogenous microbes.

Varying pH and temperature across parallel bioreactors preserves bacterial diversity while ensuring consistent dose reproducibility.

A Pediococcus acidilactici R037 composition modulates immune responses to reduce allergy symptoms.

Recombinant Corynebacterium glutamicum overcomes exopolysaccharide competition to produce 40 g/L hyaluronic acid with 95% purity.

Specific amino acid mutations in acetoacetyl-CoA reductase enhance PHA accumulation by optimizing enzyme kinetics and reducing metabolic bottlenecks.

Saccharopolyspora strains degrade harmful biogenic amines while increasing amino acid content during food fermentation processes.

Nitrate or sulfite anions act as electron sinks to sustain microorganism viability, avoiding contamination risks and pH imbalances caused by sugar addition.

A recombinant plasmid enables multistage enzymatic conversion of vanillin and related acids into muconic acid intermediates.

Potato peptone-based culture medium with L-cysteine reduces oxygen levels, enabling strict anaerobe cultivation without animal-derived compounds.

Extracellular proteins from thermophilic bacteria bind metal ions to form complexes.

SmSA tensoactive biomolecules stabilize across harsh reservoir conditions, resolving microorganism reliability limits while extracting trapped oil.

Optimized fermentation stabilizes nitric oxide metabolites, extending half-life beyond the short gas duration.

Stepwise oxidative stress induction adapts anaerobic microorganisms for ambient air survival.

Engineered cells expressing chlorite dismutase neutralize toxic chlorite to eliminate contaminants without harming host viability.

Silane-decorated bacterial cellulose immobilizes metal phthalocyanine to create a hydrophobic microenvironment that minimizes hydrogen peroxide side reactions.

Cannabichromenic acid synthase gene enables precise cannabinoid level manipulation in cannabis plants.

Engineered microorganisms convert carbon dioxide into acetyl-CoA through a simplified metabolic pathway, reducing pathway complexity and side reactions.

A Corynebacterium glutamicum mutant strain produces L-glutamic acid with enhanced yield through targeted gene knockout.

A seven-strain probiotic composition regulates immunity through specific bacterial interactions.

A temperature-sensitive Bacillus subtilis natto mutant strain reduces spore formation during high-temperature fermentation.

Engineering strains to reduce aromatic carboxylic acid impurities prevents polymer coloration and simplifies purification processes.

Random mutagenesis and high-concentration selection resolve low mutation occurrence rates in cooperative enzyme modification.

Defined starter cultures eliminate batch variation and antibiotic risks while maintaining consistent flavor profiles.

Chromosomal integration of modified cryptic plasmids maintains genetic stability while enabling high local concentrations of therapeutic proteins in the gut.

Novel alcohol dehydrogenase from Candida maltosa catalyzes stereoselective oxidation of secondary alcohols.

Multi-cofactor 3α-HSDH mutants resolve substrate inhibition and simplify regeneration, enabling efficient UDCA synthesis.

Novel androgen receptor splice variants lack ligand binding domains while retaining transactivation functions.

Adding aluminates or iodates boosts D-fructose conversion rates by up to five times, reducing production costs for industrial D-psicose manufacturing.

Culturing Anaplasmataceae bacteria in feline embryonic host cells to enable continuous growth and scalable antigen production.

Integrating the acyB2 regulatory gene into Streptomyces boosts isovaleryl spiramycin I content by 170% and resolves low-yield contradictions.

Deleting the yitMOP and sdpABC operons redirects cellular resources to boost protease production by 10 percent.

A synthetic composition comprising a co-culture of distinct bacterial families restores microbial balance.

Limiting folate concentrations in a DHFR selection system enrich high-producing cells while reducing methotrexate toxicity.

Pyrophosphate and polyhydroxy agents preserve cell integrity during freeze-drying for stable storage in hot climates.

Glycerol-based culture media maintain small colony variant E. coli forms to prevent uropathogen colonization on urinary catheters.

Peptide ligands inhibit mTOR directly, resolving the indirect action limitations of rapamycin.

Engineered microbial pathways convert succinic and acetyl CoA into alpha-hydromuconic acid, bypassing slow natural degradation routes.

Chemoautotrophic bacteria convert carbon dioxide into biomass, avoiding sunlight and land limits of microalgae.

Truncated nucleic acids enable recombinant alternan sucrase production with higher purity and yield than natural strains.

A transformant utilizes hypophosphite transporter proteins to absorb reduced phosphorus compounds for cellular proliferation.

A Corynebacterium glutamicum strain with a cysteine substitution at position 220 in the NCgl2816 polynucleotide enhances lysine excretion.

A Corynebacterium transformant introduces chorismate-pyruvate lyase to convert chorismic acid into 4-hydroxybenzoic acid.

Alkali-treated microalgae provides a soluble carbon source that eliminates complex extraction steps and reduces production costs.

Modified Corynebacteria strain with amplified mqo gene copies boosts malate dehydrogenase activity.

Segmented bacterial strains with distinct acidification characteristics eliminate batch-to-batch variation and undesired properties in camembert production.

Protein ionic liquids deliver functional proteins into microorganisms without permanent genetic modification, avoiding toxicity and cost issues.