Bacteria TRIZ Cases

See how bacillus spores activated by animal waste consume odor-causing proteins, enabling reusa

See how urease-producing bacteria precipitate calcite in fabric to enable uniform bivalve attac

See how amino acid substitutions at positions 167, 210, 215, 220, and 225 improve GH45 cellulas

See how probiotic Bacillus strains inhibit odor-causing bacteria in front-load washers and athl

See how targeted amino acid substitutions improve alpha-amylase stability at low sodium, calciu

See how glutaraldehyde-fixed bacterial preparations maintain ice nucleation activity at −4°C to

See how exothermic reaction heat from a portable flameless heater enables rapid spore germinati

See how GH61 polypeptides from Acremonium thermophilium boost cellulase efficiency on lignocell

See how a biofilm of odorless microorganisms blocks odor-causing fungi and bacteria on evaporat

See how a luminaire integrates biofiltration and air circulation to remove VOCs and toxins whil

Probiotic microorganisms suppress odor-causing bacteria in residual wash water, machine surfaces, and fabrics for longer-lasting malodor control.

Mountain pine beetle wood particles use native microorganisms to break down hydrocarbon waste without high-pH additives that risk long-term contamination.

Cold-active fungal endoglucanases enable denim biofinishing at 20-40°C, cutting heating demand while reducing fabric damage.

A position-363 amino acid substitution boosts Family 5 cellulase activity at higher pH, cutting enzyme use in textile bio-stoning and depilling.

Broad-pH acid phospholipases enable low-water oil degumming, cutting residual phosphorus below 10 ppm with less energy.

Selected Bacillus cultures replace costly multi-enzyme cleaners by breaking down blood, fats, oils, and other stubborn stains on fabrics and surfaces.

Targeted deletion of competing amino acid pathways and ilvBNC overexpression redirects metabolic flux to raise L-valine production.

Targeted amino acid substitutions improve alpha-amylase solubility in fermentation broth, raising expression and recovery efficiency.

A protein nanowire film sustains a moisture gradient in ambient humidity to deliver continuous power without liquid water or voltage collapse.

Controlling GC/MS trace impurities in recycled-resource ethanol improves industrial use, butadiene conversion, ester synthesis, and fuel combustion.

A waterproof siloxane gas diffusion layer stops cathode weeping under pressure while sustaining oxygen diffusion in microbial fuel cells.

Controlled trace components in waste-derived ethanol improve butadiene conversion, ester synthesis rates, and fuel combustion efficiency.

Biodegradable paste temporarily bridges circuit gaps, then bacterial aerosol dissolves it to avoid hazardous long-lived electronic waste.

Thin hydrogel layers, algal cells, Nafion, and ferricyanide improve proton capture, transparency, and long-term microbial power generation.

Artificial siderophore-metal complexes anchor photosynthetic bacteria to raise photovoltage and capacitance enough to power glucose meters.

A dual-strain Clostridium and Pseudomonas composition boosts hydrogen production in rumen, wastewater, landfills, and topsoil.

Controlling iron in non-petrochemical ethanol improves butadiene selectivity, polymerization stability, and SBR properties for tire rubber.

Controlling iron in non-petrochemical ethanol protects catalyst activity and improves butadiene selectivity and yield for tire-grade polymer production.

Fat-soluble redox mediators shift purple bacteria toward photosynthetic gene expression under oxygen, improving carbon assimilation in wastewater.

A non-porous siloxane gas diffusion layer stops cathode weeping under pressure while maintaining oxygen permeation in microbial fuel cells.

Co-expressing FeFe hydrogenase with HydEFG in E. coli stabilizes the enzyme and raises biological hydrogen yield and production rate.

Plate-based scale-down models use KPI-driven parameter proxies to predict large-scale microorganism performance with higher screening reliability.

Engineered host cells convert renewable carbon sources into fatty alcohols, avoiding costly petroleum extraction, refining, and long-distance transport.

An infant gut-derived Bifidobacterium breve strain shifts cytokine induction toward high IL-10 and low IL-12 for anti-inflammatory food use.

Intestinal-tropic Lactobacillus promotes post-weaning growth and IGF-1 levels in livestock without hormone or antibiotic use.

Using Alistipes finegoldii as an oral adjunct boosts checkpoint inhibitor response and survival with lower toxicity than conventional combinations.

Combined yeast and lactic acid fermentation enriches saponins, cutting reliance on low-yield, high-cost plant extraction.

Immediate fluorescence from protein-fluorophore changes verifies steam or heat sterilization faster, with less complexity and fewer false positives.

Co-expressed 7β-HSDH and GDH in recombinant E. coli raise UDCA yield while reducing impurities and avoiding toxic chemical synthesis.

Microbes generate oxygen from (per)chlorate inside the bioreactor, avoiding external aeration, agitation energy, and oxygen handling risks.

RF1-free crude lysates combine orthogonal translation and glycosylation to boost multi-site nsAA incorporation and glycoprotein yield.

Selected oral lactic acid bacteria strains raise HIF-1alpha and lower oxygen consumption to support body oxygenation under hypoxic stress.

A chromogenic PLC substrate with trimethoprim improves Bacillus cereus growth and selectivity while avoiding egg yolk false positives.

Heat-treated Bifidobacterium breve retains cholesterol-binding activity while avoiding live-cell instability, supporting dyslipidemia control.

By blocking phage genome packaging, these reporter particles avoid lytic interference and improve sensitive bacterial and resistance detection.

Targeted non-intergeneric microbial remodeling boosts nitrogen fixation and root colonization, reducing fertilizer use and runoff.

Linear donor DNA with long homology arms enables marker-free Bacillus genome integration or deletion without selectable markers or Cas enzymes.

Modular repeat units with hypervariable regions replace costly library screening to build sequence-specific DNA binders for gene modulation.

A butyrate-producing Anaerostipes B2131 strain restores gut flora balance, inhibits harmful bacteria, and reduces IBD inflammation.

By reassigning sense codons in synthetic E. coli, this case blocks horizontal gene transfer and mobile element exploitation while preserving cell viability.

Shelf-stable Bacillus and Lactobacillus supplements modulate the fowl microbiome to lower feed conversion and reduce pathogen lesions.

Akkermansia muciniphila Akk11 with Lactobacillus rhamnosus LRa05 improves blood pressure regulation while reducing renal damage markers and oxidative stress.

Sucrose-fed S. lividans fermentation and downstream purification raise recombinant glutenase yield while removing antibiotics for human use.

A deposited Akkermansia muciniphila strain improves glucose metabolism, lowers cholesterol and triglycerides, and helps control gut inflammation.

Akk11 and BBr16 are combined to improve intestinal absorption capacity, raise serum calcium and phosphorus, and reduce bone calcium loss.

A probiotic L-30 strain promotes osteoblasts, inhibits osteoclasts, and supports bone regeneration with fewer side effects than long-term osteoporosis drugs.

Engineered Hydrogenophilus adds dehydrogenase genes to convert CO2 into crotyl alcohol, avoiding biomass feedstocks and process complexity.

CRISPR-Cas9 copy-number tuning and regulatory weakening redirect carbon flux in plasmid-free E. coli to raise D-pantothenic acid yield.

A three-strain microbial blend improves H2S removal to nearly 80% while maintaining ammonia deodorization in manure and waste treatment.

High-biomass phenol and 4-hydroxybenzoic acid compositions control 425 nm absorbance and shikimic acid to preserve color tone and polymerizability.

Controlled hydrogen, oxygen, and carbon dioxide delivery boosts high-protein biomass productivity while maintaining safe bioreactor conditions.

Introducing a Corynebacterium mechanosensitive ion channel boosts L-glutamic acid release while avoiding major disruption to strain metabolism.

Continuous Xanthobacter culture with hydrogen and carbon dioxide raises biomass yield and protein quality for scalable food and feed production.

Sequentially switching from lower- to higher-unsaturation oils keeps PHA production rates high while using readily available discarded oils.

Genetically engineered amylases alter amino acid sequences to retain starch-cleaning activity at high temperatures and in harsh detergents.

Engineered microorganisms ferment renewable carbon sources into beta-hydroxyisovalerate while avoiding toxic by-products and halogen contact.

Specific gut bacteria are used to predict and improve ICI/TKI response, helping stratify cancer patients and boost immunostimulation.

A new Akkermansia muciniphila strain expands beyond narrow single-disease use by combining broad indications, gastrointestinal tolerance, and safety.

A defined A. muciniphila AK32 strain promotes crypt growth, goblet cells, and epithelial regeneration to improve intestinal damage treatment.

Defined canine bacterial strains replace risky fecal transplantation with a standardized oral composition that restores gut microbiota and reduces pathogen colonization.

A Bifidobacterium longum strain lowers blood TMAO while increasing Akkermansia muciniphila to support cardiovascular and gut health.

Enhanced NADH-dependent reductoisomerase and pathway tuning help engineered E. coli accumulate high-purity D-pantoic acid from renewable feedstocks.

A Medicago-derived Lactiplantibacillus plantarum EL6 boosts flavonoid release and biotransformation while improving silage fermentation quality.

Serial passage in pH-controlled, acid-supplemented media selects microbial strains that resist end-product inhibition and raise organic acid yield.

Engineered flavin-dependent oxidases replace plant extraction with selective oxidative cyclization for high-purity, cost-effective cannabinoid production.

A DvaE F92C export protein boosts microbial L-histidine secretion, overcoming biosynthesis bottlenecks and enabling higher production yields.

Specific pyrF and purine-pathway mutations help C. glutamicum keep metabolizing in viscous, low-oxygen broth, raising mucopolysaccharide yield.

Drying alginate cell beads to 14% moisture or less prevents rot during storage while preserving allulose conversion activity after restoration.

Targeted GAD amino acid mutations maintain activity at neutral pH, lifting GABA conversion to 98.2% and improving industrial yield.