Bacteria TRIZ Cases

VTvaf17 gene therapy DNA vector removes antibiotic resistance and viral regulatory elements to reduce length, improving penetration into eukaryotic cells.

Live bacterial intermediaries produce butyrate endogenously in the colon, avoiding upper gastrointestinal absorption and rancid odors.

Mutant Corynebacterium glutamicum strain overcomes feedback inhibition by resisting multiple L-valine derivatives, achieving four-fold productivity increase.

Segmenting and mutating specific genes within the rghR locus boosts protein yield while reducing red pigment by-products.

Hydrogel support matrices allow 3D printing of complex bacterial colonies, resolving structural slumping while enabling controlled nutrient gradients.

Engineered recombinant type II pullulanase maintains over 50% activity after 10 hours at 95°C, resolving low catalytic efficiency bottlenecks.

Porous silica gel adsorbent captures isoprene from fermented gas via pressure swing adsorption.

Targeted amino acid mutations in the sigma factor 70 polypeptide resolve host cell growth retardation while increasing L-threonine productivity.

Replacing expensive oligosaccharides with glucose lowers production costs for chondroitin.

Disrupting phosphoglycerate mutase and enhancing glutamate-cysteine ligase boosts glutathione yield while managing metabolic stability.

Lactobacillus rhamnosus ATCC 53103 degrades intestinal lipids via enzymatic activity, preventing lipid absorption while maintaining nutrient balance.

Engineered microbes synthesize ethylene, ethane, and methane via a methionine salvage pathway, eliminating flammability risks from oxygen use.

Fluorescence-based cell selection using aptamer-tagged vectors isolates high-yield producers, reducing labor intensity and improving RNA homogeneity.

Targeting specific 16S rRNA variable regions resolves the trade-off between sequencing throughput and bacterial classification accuracy.

Mutating the HdrABC enzyme in Methanosarcina acetivorans overcomes slow industrial methane production rates and genetic tractability limits.

Segmentation extracts Symbiodinium sp. SY-1 from soft coral tissue, enabling reliable in vitro cultivation for conservation research.

Engineered Corynebacterium glutamicum strains resolve fermentation productivity trade-offs by precisely tuning enzymatic activities to maximize lysine yield.

Mutating gluconate kinase redirects carbon flux to the pentose phosphate pathway, resolving low yield trade-offs from TCA cycle reliance.

Isolated Bacillus amyloliquefaciens CJ14-6 strain inoculates steamed soybeans to produce high-protease koji.

Methanotrophic cultures lacking soluble methane monooxygenase convert carbon gases into polyhydroxyalkanoates using the ethylmalonyl-CoA pathway.

Receptor binding and translocation domains enable cytosolic delivery of reprogramming factors without genomic integration.

Methanogenic microorganisms convert industrial CO2 into methane, eliminating costly purification steps required for natural gas.

Oscillatory bacterial lysis circuits synchronize population growth with pulsatile payload release to minimize systemic inflammatory responses.

Rasamsonia emersonii proline-specific endoprotease hydrolyzes gluten proteins during beer mashing.

Cyanobacteria incorporate modified amino acids into microcystins, enabling antibody conjugation to reduce hepatic toxicity.

The Rpi-blb3 gene from Solanum bulbocastanum confers partial resistance against Phytophthora infestans in potato crops.

Lactobacillus rhamnosus MP108 enhances intestinal calcium ion transport to alleviate deficiency disorders without increasing kidney stone risk.

Microbe-based compositions reduce hydrogen sulfide levels using biosurfactants and specific microorganisms to control sulfate-reducing bacteria.

Spore-based probiotic composition reduces sebum excretion and increases skin hydration via the gut-skin axis, avoiding antibiotic resistance.

A thin film culture device detects acid-producing bacteria using a pH indicator and fermentable carbohydrate.

Psychrobacter aquimaris A4N01 assimilates ammonia nitrogen without nitrite accumulation, bypassing salinity-sensitive bacteria in high-salinity wastewater.

Genetic modification enables a recombinant microorganism to convert non-fermentable 3,6-anhydro-L-galactose from red algae biomass into ethanol.

Leuconostoc mesenteroides CJLM119 strain reduces package inflation by producing less gas while maintaining kimchi quality through mannitol synthesis.

Engineered peptides target Nav1.7 channels to provide selective pain relief while minimizing side effects from non-specific channel blockade.

Lactobacillus paracasei strains increase blood amino acid concentrations from plant proteins, resolving low absorption rates in vegetarian diets.

Novel Bacillus pumilus microorganism promotes gastric juice secretion to treat chronic gastritis without toxic side effects.

A pipecolic acid 4-hydroxylase enzyme catalyzes the production of optically active 4-hydroxy amino acids using specific cofactors.

Cyclic peptides inhibit the tmRNA pathway to eliminate plasmids carrying antibiotic resistance genes.

Gut microbiota from DUSP6-deficient mammals treats obesity by reducing body weight and increasing energy expenditure.

Type I fimbrial repressor protein suppresses bacterial adhesion structures.

A microbial consortium accelerates lignocellulosic biomass degradation through synergistic cellulolytic and methanogenic activity.

Permeabilizing bacterial cells retains polypeptides while allowing target molecules to diffuse in for direct binding assessment.

Aerobic lactic acid bacteria synthesize plasmalogens, eliminating complex anaerobic equipment requirements for scalable production.