Bacteria Peptides TRIZ Cases

Engineered sugar exporters boost secretion of complex HMOs while limiting precursor carryover, enabling cleaner large-scale recovery.

A LanM-derived FRET sensor detects MnII in real time while avoiding calcium and magnesium interference for cellular metal imaging.

Engineered beta-galactosidases stay active at low pH and high heat, enabling lactose hydrolysis in UHT and fermented dairy processing.

Mutant RpBphP1 and RpPpsR2 proteins weaken dark-state binding and strengthen near-infrared-induced association for reliable photoswitching.

Acid- and heat-stable beta-galactosidases enable lactose hydrolysis through pH shifts and high-temperature dairy processing.

Selective metal-binding proteins capture trivalent and tetravalent rare earth ions, enabling cleaner sensing and separation than harsh extraction methods.

Engineered cysteine-less split inteins enable reducing-agent-free bioconjugation while preserving extein functionality across broad reaction conditions.

Directed-evolved imine reductases enable one-step, stereoselective synthesis of chiral secondary and tertiary amines from ketones and amines.

Recombinant catalase and DPS proteins replace variable live or bacterin vaccines, improving catfish resistance to Flavobacterium covae infection.

Selective YjhB or SetA export moves complex HMOs into culture broth while retaining precursors to improve fermentation purity.

Engineered ClpS sequence variants enhance N-terminal leucine affinity for iterative, high-fidelity protein sequence determination.

Directed-evolution imine reductases convert ketones and amines into chiral secondary and tertiary amines with broad substrate scope.

Directed evolution turns Sso7d into compact glycan-binding proteins for selective monosaccharide and disaccharide recognition.

Ochrobactrum strains mediate polynucleotide transfer to plant cells using VirD2-dependent mechanisms for stable genomic integration.

Carbodiimide activation of Vi polysaccharides enables conjugation with CRM197 carriers, establishing immunological memory in infants and young children.

Adapting E. coli strains enables high-level expression of lipidated proteins for vaccine development.

A Photoactive Yellow Protein derivative binds fluorogenic chromophores reversibly to enable rapid fluorescent labeling of cellular proteins.

Engineered allulose epimerase variants substitute specific amino acids to boost fructose conversion rates.

Decoupling synthesis from slow cyanobacterial growth via phosphopantethienyl transferase mediation boosts yield and simplifies purification.

Microbial rhodopsins replace invasive electrodes with optical fluorescence signals to measure membrane potential non-invasively.

Magnetic bead anchoring anchors biotinylated DNA fragments for direct verification, eliminating intermediate amplification and reducing plasmid complexity.

Directed evolution of heme proteins creates biocatalysts that form carbon-boron bonds with high enantioselectivity.

Segmenting untargeted screening rounds and applying feedback loops resolves the trade-off between metabolite identification rates and data analysis complexity.

Chimeric pattern recognition receptors combine REMAX extracellular domains with heterologous signaling tails to detect specific bacterial molecular patterns.

Conjugating bicyclic ligands to carrier peptides overcomes limited cell entry, boosting killing efficacy against wild-type bacteria.

Aromatic amino acid substitution in the pilus monomer boosts conductivity one million-fold while reducing nanowire diameter to 1.5 nm.

Overexpressing KaiA or KaiC proteins switches cyanobacteria from rhythmic cycling to continuous production, resolving low heterologous expression limits.

Constitutive PSR1 expression uncouples lipid accumulation from nutrient stress, maintaining cell growth while boosting biofuel precursor yields.

Engineered E. coli strains export glutathione using specific transporter proteins for direct medium recovery.

Mutated PPO polypeptides confer herbicide tolerance through specific amino acid substitutions.

Segmenting flagellin domains reduces inflammatory side effects while maintaining targeted antigen delivery.

Recombinant DNA constructs enable stable polynucleotide integration into plant genomes via Rhizobium delivery, bypassing costly Agrobacterium limitations.

Membrane protein efflux removes intracellular LN3 oligosaccharides, preventing cytotoxicity and boosting productivity.

Mutant Agrobacterium strains with modified VirD2 proteins enable transient T-DNA transfer into plant cells without genomic integration.

Guanidinyl derivatives enable N-terminal amino acid cleavage under mild conditions, protecting acid-sensitive materials while boosting sequencing throughput.

MscL channels lower intraocular pressure by facilitating aqueous humor outflow, addressing systemic side effects from pharmacological treatments.

A lactate biosensor uses a reporter group attached to a lactate-binding protein to transduce a detectable signal upon ligand occupancy.

Genetically modified thermophilic bacteria produce enantiopure (R)-lactic acid via heterologous D-lactate dehydrogenase expression.

Engineered HPPD variants increase inhibitor dissociation rates to resolve slow-binding trade-offs, enabling broad herbicide tolerance in crops.

Mutant HPPD polypeptides convert slow-binding herbicides into fully reversible inhibitors through specific amino acid substitutions.

Expressing specific transport proteins increases efflux activity, resolving low productivity limits in L-serine and L-glutamine manufacturing.

Transform cell wall-deficient bacteria with synthetic bacteriophage genomes to enable rapid viral propagation without screening.

Chitosan flocculation aggregates cyanobacteria impurities, resolving low filtration rates and insufficient purity in phycocyanin extraction.

Engineered Cupriavidus and Ralstonia organisms convert overflow metabolites like lactate and acetate into valuable carbon-based chemicals, reducing waste.

Introducing specific DNA fragments and increasing gene copy numbers resolves low PQQ accumulation in wild-type strains by boosting biosynthesis gene dosage.