Bacteria TRIZ Cases

Inactivating ribonuclease G resolves the contradiction between RNA metabolism and production yield, increasing L-lysine output from glycerol.

Stress-resistant Deinococcus bacteria utilize diverse carbon sources including cellulose to produce organic acids and alcohols.

Aerobic granular sludge cultures produce heparin-like polymers and sialic acids directly from extracellular polymeric substances.

Heat-killed bacterial cells treated with furocoumarin and ultraviolet light form nucleic acid crosslinks to isolate DNA-protein complexes.

Non-naturally occurring Clostridium autoethanogenum strains convert carbon monoxide and carbon dioxide to ethanol through adaptive laboratory evolution.

Characterized viral genomes support PCR-based assays that address cross-species transmission risks.

A chimeric aminoacyl-tRNA synthetase hybridizes bacterial homologs to enhance enzyme stability and activity.

IsPETase variants with specific amino acid substitutions increase decomposition activity while maintaining stability at higher temperatures.

Engineering bacterial efflux carriers and metabolic pathways to boost dicarboxylic acid yields while maintaining cellular stability.

Lactobacillus acidophilus KBL409 degrades uremic toxins via microbial metabolism, addressing inadequate chronic renal failure treatments.

Parallel subfibre filaments inside bacterial chains enable long-distance electron transfer without metallization damage.

Modified T4 td self-splicing introns enable inducible gene expression, resolving leakiness and organism specificity constraints in CRISPR-Cas systems.

Modifying host cell proteomes reduces contaminant adsorption, increasing column capacity and selectivity during recombinant protein purification.

Replacing the SlyD IF domain with an affinity peptide enables mild pH elution, preventing antibody degradation common in harsh acidic Protein A processes.

Divergent coding DNA sequences prevent clonal instability and transgene silencing, sustaining high productivity in engineered cells.

Engineered Acinetobacter baylyi converts lignin waste to vanillin-4-O-D-glucoside using COMT, Car/Sfp, and UGT genes, avoiding petroleum synthesis.

Overexpressing BI-1 protein in plant epidermis blocks fungal penetration, resolving isolate-specific resistance limits.

Multiple bacterial strains inhibit pathogenic populations in calves, resolving antibiotic resistance trade-offs while maintaining gut health.

Optimized agitation and pretreatment boost Zymomonas ethanol yields above 60 g/L despite acetate sensitivity.

Disaccharide-based media inhibit viscosity increase during Rhizobium cultivation, enabling efficient bacterial concentration and separation.

A haloalkaliphilic bacterial consortium degrades sulphides, thiols, phenols, and hydrocarbons in spent caustic streams.

Avirulent Burkholderia glumae strain A257 primes rice seeds to trigger systemic resistance against bacterial panicle blight and sheath blight.

Replacing slow native enzymes with high-activity Bacillus subtilis variants boosts catalytic capacity and reduces fermentation time.

A minimized GDTT1.8NAS12-HFE vector penetrates human cells to express the HFE therapeutic gene.

A transposable element system uses inverted repeats to integrate DNA into host genomes.

Fat matrix coating protects microbial cultures from post-acidification during ambient storage.

Halomonas sp. KM-1 accumulates polyhydroxyalkanoates using simple organic carbon sources and inorganic salts.

Methionine-producing bacteria enhance insect fitness and survival without complicating cultivation systems.

Assembles functional ribosomal subunits using purified proteins and in vitro transcribed RNA.

Amplified proline dehydrogenase in Corynebacterium boosts ATP generation, resolving external cofactor needs and raising XMP to GMP conversion yields.

Lactobacillus salivarius CECT 9145 prevents neonatal sepsis by competitively excluding Streptococcus agalactiae without antibiotic resistance.

Halotolerant anaerobic digestion converts marine fish waste to biomethane, overcoming high salinity and toxic sulfide accumulation.

Anaerobic fermentation with Enterococcus faecium SLB130 reduces facility costs and contamination risks while producing high-protein fermented soybean meal.

Fibrin-binding apyrases localize enzyme activity at thrombi to prevent vascular disorders without systemic bleeding complications.

A mutant flavin-bound glucose dehydrogenase produced via E. coli transformants enables precise enzymatic detection of glucose levels.

Cloned DNA probes hybridize with HIV-1 genomic RNA and DNA, resolving limited detection reliability of immunological methods.

Genetically engineered bacteria convert agricultural waste into succinic acid, eliminating food resource competition while reducing production costs.

Engineered mutant DOI synthase enzymes boost production rates through specific amino acid substitutions, enabling cost-effective large-scale manufacturing.

Local quality modifications to the Family 7 catalytic domain reduce glucose inhibition and improve stability in lignin-rich hydrolysates.

Bifidobacterium longum NCIMB 42020 attenuates harmful Type I interferon responses while enhancing protective Type III interferon lambda activity.

Optimize E. coli growth rate to balance protein availability in the supernatant with cell robustness, resolving recovery efficiency trade-offs.

Purified Lactobacillus paracasei strain 28.4 inhibits Candida albicans by modulating immune responses and producing antifungal peptides.

Low nitrogen concentrations between 0.1 and 1.7 mM combined with high phosphorus extend the economic life of methane wells.

A culture medium containing chromogenic substrates enables visual discrimination of Staphylococcus aureus colonies through enzymatic hydrolysis.

Native Pediococcus pentosaceus EL5 overcomes low bacterial activity in conventional additives by ensuring high adaptability to raw materials.

Disrupting phaC genes in Xanthobacter strains eliminates polyhydroxyalkanoic acid accumulation, redirecting carbon flux toward biomass and protein production.

Lactococcus lactis subsp. lactis A32 produces nisin titres exceeding 5066 IU/mL through compound mutation.