Toolkit Items

Here, the latest research progresses in AAV-mediated gene editing and silencing strategies to modify that the genetic ocular diseases are systematically outlined, especially by base editing and prime editing.

Three-dimensional (3D) bioprinting is a rapidly evolving technology that uses complementary biomaterials to emulate native extracellular matrices, enabling the generation of finely patterned, multicellular tissue architectures.

Stimulated depletion quenching (SDQ) is a nonlinear optical control method, described as similar to STED, for improving photoactivation selectivity in bidirectional photoswitches. It has been developed and implemented as a photoswitching strategy and applied to the Cph8 optogenetic switch to shift photoequilibrium beyond what is achievable with continuous-wave illumination.

Translational titration is an application of genetic code expansion in Bacillus subtilis that modulates protein production at the level of translation. In the cited study, it was implemented within a broad and efficient noncanonical amino acid incorporation platform that also supported click-labelling and photo-crosslinking.

Cu-catalyzed azide-alkyne cycloaddition (CuAAC) is a click-chemistry method used to cyclize RNA through covalent intramolecular ligation. In a 2024 study on cyclic photocleavable RNA for a photoactivatable CRISPR/Cas9 system, CuAAC was tested alongside thiol-maleimide Michael reaction and was reported to have advantages for cyclic RNA preparation.

GUBS (Genomic Unified Behavior Specification) is a domain-specific, rule-based declarative language for behavioral specification of synthetic biological devices. It represents device programs as behavioral specifications for open systems rather than as complete closed-system descriptions.

Michael reaction for RNA cyclization is a chemical RNA circularization method based on thiol-maleimide condensation. In the cited 2024 study, it was tested as one of two chemistries for preparing cyclic RNA.

Inducible RNAi depletion of CIB1 is a conditional gene-silencing method used in vitro and in vivo to reduce expression of calcium- and integrin-binding protein 1 (CIB1). In triple-negative breast cancer models, CIB1 knockdown impaired cell survival, altered transcriptional programs linked to reduced proliferation and increased cell death, and caused marked shrinkage of MDA-MB-468 xenograft tumors.

Genetic code expansion is an engineering method that enables incorporation of non-physiological amino acids into proteins. In the supplied evidence, it was used to design efficient incorporation systems in Bacillus subtilis and to generate a Cas9 variant that became full-length and active in cultured somatic cells only after BOC exposure.

Click-labelling in this context is a Bacillus subtilis genetic code expansion platform that incorporates noncanonical amino acids for click-chemistry-based protein labelling. In the cited 2021 study, it was implemented within broad and efficient stop-codon suppression systems and used alongside photo-crosslinking and translational titration applications.

Photo-crosslinking in this context is an application of genetic code expansion in Bacillus subtilis that enables light-triggered covalent capture of molecular interactions. The reported system was part of a broader noncanonical amino acid incorporation platform used for photo-crosslinking, click-labelling, and translational titration.

Genetic code expansion in Bacillus subtilis is a translation-engineering method for site-specific incorporation of non-standard amino acids into proteins in vivo. The reported system achieved broad and efficient incorporation of 20 distinct non-standard amino acids in B. subtilis using three families of genetic code expansion systems and two codon choices.

CRISPR activation and interference (CRISPRa/CRISPRi) is a CRISPR-based gene regulation method that uses Nab2- or Egr3-targeted single-guide RNAs to modulate transcription. In the cited 2022 study, these tools were used in Neuro2a cells to mimic bidirectional cocaine-associated expression changes in Nab2 and Egr3.

SpCas9-NG is an engineered Streptococcus pyogenes Cas9 nuclease variant that recognizes NGN protospacer-adjacent motifs instead of the NGG PAM required by wild-type SpCas9. In the cited 2021 Communications Biology study, it was used for RNA-guided genome editing to target the boundary of expanded CAG repeats and induce precise repeat contraction in a Huntington’s disease mouse model context.

This engineering method defines basic operations as sets of light patterns that create, move, and merge microtubule structures. By composing these optical operations, it organizes contractile microtubule networks and associated active-matter behaviors.

LIGHT knockout by homologous recombination is a mouse gene-targeting method used to generate LIGHT-/- mice. In the cited study, these knockout mice were used to test how LIGHT deficiency influences cardiac allograft survival and responses to cyclosporine A.

Affinity-based purification of caged DNA is a preparation method for caged linear double-stranded DNA in which a minimal protein-expression cassette is reacted with Bio-Bhc-diazo and the caged DNA is isolated by affinity separation. The reported application context is light-controlled gene expression in mammalian cells.

Bio-Bhc-diazo caging reaction is a chemical method for preparing caged linear double-stranded DNA by reacting linear dsDNA containing a minimal protein-expression sequence with Bio-Bhc-diazo. The resulting caged DNA was developed for light-controlled gene expression in mammalian cells.

Cas9BOC is a genetically encoded Cas9 variant engineered by genetic code expansion to require the non-physiological amino acid Lys(Boc) for full-length active expression. It provides acute chemical control over Cas9-mediated mammalian genome editing, including heritable editing in mouse embryos.

CIB1 depletion by RNA interference is a gene-silencing method in which CIB1 is targeted by RNA interference. In triple-negative breast cancer cell lines, this perturbation was studied with docetaxel and was associated with enhanced tumor-specific cell death, TRAIL-R2 upregulation, and caspase-8-linked death receptor-mediated apoptosis.

Computational protein design is an engineering methodology described in a 2018 review as a next-generation tool for expanding synthetic biology applications. The supplied evidence frames it as a design approach used alongside phage display and high-throughput binding assays rather than as a single molecular reagent.

The custom Python-based API is a software interface for assembling automation workflows on an open-source microplate reader. It enables programmable control of automated assay protocols for an instrument demonstrated for full-spectrum absorbance, fluorescence emission detection, and in situ optogenetic stimulation.

Directed evolution is an engineering method that improves biological tool performance by iteratively selecting functional protein variants. In the cited split fluorescent protein study, it was demonstrated as one of two approaches used to improve split fluorescent proteins, contributing to brighter split sfCherry3 variants.

Domain insertion permissibility is an experimental engineering paradigm established in the human inward rectifier K+ channel Kir2.1 to identify engineerable allosteric sites. In this framework, sites permissive to insertion of regulatory domains can be converted into functional control points, including light-sensitive regulation when light-switchable domains are inserted.

Feedback linearisation control is an engineering control method designed to regulate an in-wheel motor drive system. In the cited study, it is implemented within a DSP-based control architecture for a light electric vehicle drive using a six-phase permanent magnet synchronous motor.

The feed-forward and feedback control technique is an engineering method proposed for astrocytes that manipulates intracellular IP3 to stabilize Ca2+ concentration. It is described in the context of Ca2+-based molecular communications nanonetworks, where controlled Ca2+ dynamics are intended to support more reliable signaling behavior.

Gene replacement by homologous recombination in Physcomitrella patens is a targeted genome engineering method for plant genome modification. The cited evidence states that this moss supports gene replacement at high frequency through homologous recombination.

The in vitro mutation approach is an engineering method used to analyze how amino acid identity and residue order affect cyan fluorescence in de novo tripeptides. In the cited ChemBioChem study, it was applied to glycine-, tyrosine-, and lysine-containing tripeptides reported to generate cyan fluorescence and to form robust dimers under moderate oxidizing conditions.

MicroMator is an open and flexible software platform for defining and driving reactive microscopy experiments. It has been presented for applications including single-cell control and single-cell recombination.

MoVE is an engineering method reported to identify metabolic valves that switch between phenotypic states. The available evidence describes it as a strategy for finding control points in metabolism rather than as a specific molecular actuator.

A non-linear disturbance observer (NDO) is an engineering control method used within a feedback linearisation framework to estimate lumped uncertainty. In the cited in-wheel motor drive study, it was implemented as part of a DSP-based intelligent control system for a six-phase permanent magnet synchronous motor.

PACE (Phage Assisted Continuous Evolution) is an engineering method used in this study to evolve cryptochrome properties. In the cited work, it was applied to increase the dynamic range of the blue-light-dependent interaction between Arabidopsis thaliana CRY2 and BIC1.

Poly-transfection is a transfection-based engineering method for rapid, one-pot characterization and optimization of genetic systems within a single readily prepared transfection sample. It was reported as a high-throughput alternative for comprehensive evaluation of genetic systems and was applied to CRISPRa and synthetic miRNA systems.

Proximity labeling is described here as a methodological approach proposed to define state-specific proteomic and post-translational signatures in studies evaluating the addivosome pathological condensate model. The supplied evidence does not identify a specific proximity-labeling enzyme, chemistry, or construct design.

RNA interference (RNAi) was used in the Madeira cockroach to reduce expression of the circadian clock genes per, tim1, and cry2 by dsRNA injection. In this study, single injections produced persistent target mRNA knockdown within about two weeks and enabled analysis of resulting locomotor rhythm phenotypes.

Short-hairpin RNA depletion of CIB1 is an RNA interference-based gene knockdown method used in HEK293 cells to reduce CIB1 expression. In the cited study, stable and transient CIB1 depletion increased cellular Ca2+ responses to the InsP3-generating ligands ATP, UTP, and carbachol.

shRNA delivered by lentivirus was used as an RNA interference-based perturbation method to reduce endogenous CIB1 levels in endothelial cells. In the cited study, this knockdown approach was applied to test CIB1 function in endothelial haptotaxis and tube formation.

Single-headed kinesin molecular motors with optically enhanced clustering are engineered motors for microtubule-based active fluids that allow light-dependent control of extensile active stress. In the reported system, they support precise and repeatable spatiotemporal patterning of activity and rapid, reversible switching between flowing and quiescent states.

Stimulated Raman pre-excitation is a double-resonance optical excitation method that uses general, non-resonant Raman pre-excitation before electronic excitation. It is described as enabling selective photo-excitation of molecules and as a viable approach for promoting molecules to chemically active energy levels.

UCHL3 knockdown is a gene-silencing intervention reported in a 2022 Human Cell study to inhibit esophageal squamous cell carcinoma progression. The cited mechanism links this effect to reduced methylation of the circadian protein CRY2.

Virus-induced gene silencing (VIGS) was used in tomato (Solanum lycopersicum) to reduce CRY2 expression as part of a combined perturbation strategy alongside transgenic overexpression. In the cited study, CRY2 silencing in wild-type tomato produced a minor internode elongation phenotype.

WT-SpCas9 is the widely used Streptococcus pyogenes Cas9 nuclease used for CRISPR genome editing. In the supplied evidence, it is defined by a requirement for an NGG protospacer adjacent motif for target recognition.

We present translational routes, sentinel epimarkers (bisulfite amplicons, CUT&Tag), haplotype-by-epigenotype prediction, and precise cis-regulatory editing to accelerate marker development, genomic prediction and the breeding of resilient soybean varieties with stable yields.

We present translational routes, sentinel epimarkers (bisulfite amplicons, CUT&Tag), haplotype-by-epigenotype prediction, and precise cis-regulatory editing to accelerate marker development, genomic prediction and the breeding of resilient soybean varieties with stable yields.

Cib1(-/-) mice are a constitutive Mus musculus knockout line generated by homologous recombination in embryonic stem cells to disrupt the Cib1 gene. This in vivo genetic perturbation was used to define CIB1 function and revealed that CIB1 is essential for male spermatogenesis.

CRISPR-dCas9 was used in an optogenetic LITE configuration to control endogenous PIM1 transcription in U87 glioblastoma cells in vitro. In this study, the system mediated light-inducible, reversible transcriptional induction or repression rather than genome editing.

Light-inducible oligomerization of Eps15 is an optogenetic engineering method used to tune Eps15 initiator-protein assembly strength in real time during endocytosis. In mammalian Eps15 knockout cells, low light produced liquid-like Eps15 assemblies that restored normal endocytic rates, whereas higher light produced solid-like assemblies that stalled vesicle budding.

Photocaged carbohydrates are synthetic light-responsive small molecules generated by chemical caging of carbohydrate-related inducers and characterized photochemically. In the cited ChemBioChem study, six photocaged carbohydrates were synthesized, and related photocaged compounds were used to place bacterial gene expression under optical control as light-activated inducers.

Rhodopsin kinase is the enzyme implicated in phosphorylating light-activated rhodopsin in photoreceptor disk membranes. In the cited FEBS Letters context, this phosphorylation enhances light-dependent association of a soluble 48-kDa protein with the membranes.

Scintillator-mediated optogenetics is an engineering method in which implanted Ce:GAGG microparticles convert X-ray irradiation into scintillation light that activates red-shifted opsins. In mice, this enabled wireless modulation of neural activity at tissue depth, including bidirectional control of midbrain dopamine neurons and associated place preference behavior.