Single Molecule Biology

Single Molecule Force Spectroscopy

Investigation of mechanical properties and unfolding dynamics of individual biomolecules using atomic force microscopy and optical tweezers.

RESEARCH GAP FRONTIERS

Fluorescence Resonance Energy Transfer Dynamics

Real-time measurement of conformational changes and molecular distances through FRET between single fluorophore pairs.

RESEARCH GAP FRONTIERS

Single Molecule RNA Folding Kinetics

Direct observation of RNA secondary and tertiary structure formation pathways at the individual molecule level.

RESEARCH GAP FRONTIERS

Protein Unfolding and Refolding Pathways

Study of real-time transitions between native and denatured protein states using single molecule manipulation techniques.

RESEARCH GAP FRONTIERS

DNA-Protein Binding Interactions

Characterization of individual protein-DNA recognition events and binding kinetics at single molecule resolution.

RESEARCH GAP FRONTIERS

Single Molecule Enzyme Catalysis

Direct observation of enzymatic turnover events and catalytic intermediate states in individual enzyme molecules.

RESEARCH GAP FRONTIERS

Molecular Motor Mechanical Work

Measurement of force generation, stepping dynamics, and energy transduction in individual myosin, kinesin, and dynein motors.

RESEARCH GAP FRONTIERS

Single Molecule Photophysics

Investigation of photon emission, fluorophore blinking, and photochemical properties of individual fluorescent molecules.

DNA Replication and Polymerization

Real-time visualization of nucleotide incorporation and DNA synthesis by single polymerase enzymes.

Protein Aggregation and Amyloid Formation

Study of individual protein aggregate nucleation, fibril growth, and assembly mechanisms at single molecule level.

Single Molecule DNA Topology

Analysis of supercoiling, linking number changes, and topological constraints in individual DNA molecules.

RNA-Protein Complex Assembly

Observation of stepwise binding and assembly of ribonucleoprotein complexes in real-time.

Single Molecule Fluorescence Microscopy

Development and application of widefield and confocal fluorescence imaging techniques for tracking individual molecules.

Membrane Protein Dynamics

Investigation of conformational changes, lateral diffusion, and function of individual membrane proteins in lipid bilayers.

Single Molecule Localization Microscopy

Super-resolution imaging techniques using photoswitchable dyes to achieve nanometer-scale spatial resolution.

Molecular Crowding Effects

Analysis of how macromolecular crowding influences individual protein dynamics and reaction rates.

Single Molecule Metabolite Sensing

Detection and quantification of small molecule interactions with individual protein or RNA sensors.

DNA Damage and Repair Events

Real-time visualization of DNA lesion formation and repair protein interactions at single damage sites.

Single Molecule Nanopore Sequencing

Direct reading of nucleic acid sequences through individual nanopore devices and ionic current changes.

Chromatin Fiber Organization

Investigation of nucleosome positioning, fiber compaction, and higher-order structure in single chromatin fibers.

Single Molecule Drug Binding

Characterization of ligand-target interactions and binding kinetics at individual molecule resolution.

Rotary Protein Machine Dynamics

Study of rotational motion and ATP-driven mechanical work in single ATP synthase molecules.

Ion Channel Gating Mechanisms

Direct observation of conformational transitions and ionic flux through individual ion channel molecules.

Single Molecule Protein-Protein Recognition

Measurement of binding kinetics and forces between individual protein molecules in native-like conditions.

Quantum Dot Single Particle Tracking

High-resolution tracking of molecular trajectories using photostable quantum dot fluorescent labels.

Single Molecule Protein Translocation

Real-time measurement of protein unfolding and passage through nanopore or translocase channels.

Calcium-Binding Protein Conformations

Investigation of individual calcium-responsive structural changes in calmodulin and related proteins.

Single Molecule RNA Catalysis

Direct observation of catalytic RNA ribozyme activity and substrate processing events.

Microtubule Polymerization Dynamics

Study of tubulin dimer addition, GTP hydrolysis, and catastrophe events in individual microtubules.

Single Molecule CRISPR-Cas Function

Analysis of guide RNA loading, DNA targeting, and cleavage by individual CRISPR nuclease complexes.

Protein Diffusion in Living Cells

Measurement of diffusion coefficients and confinement for individual proteins in cellular environments.

Single Molecule Immunology

Investigation of antibody-antigen binding, T cell receptor triggering, and immune synapse formation.

DNA Looping and Gene Regulation

Study of transcription factor-mediated DNA looping and enhancer-promoter interactions in single molecules.

Single Molecule Electron Transfer

Measurement of electron tunneling rates and redox chemistry in individual protein molecules.

Actin Filament Assembly

Real-time observation of monomer addition, nucleation, and filament growth dynamics.

Single Molecule Photodynamic Therapy

Study of singlet oxygen generation and damage production by individual photosensitizer molecules.

RNA Helicase Unwinding Mechanisms

Direct visualization of nucleic acid strand separation and mechanical work by individual helicase enzymes.

Single Molecule Phase Separation

Investigation of biomolecular condensate formation and protein dynamics within individual droplets.

Lipid Membrane Domain Dynamics

Study of lipid raft formation, domain organization, and molecular interactions in single membranes.

Single Molecule Photon Correlation

Analysis of fluorescence intensity fluctuations and correlation functions from individual molecules.

Prion Protein Conversion

Real-time observation of misfolded prion propagation and conformational seeding events.

Single Molecule Biosensing Applications

Development of diagnostic platforms detecting biomarkers through single molecule fluorescence changes.

Protein Disulfide Bond Formation

Study of oxidative protein folding and disulfide rearrangement in individual protein molecules.

Single Molecule DNA Recombination

Visualization of homologous recombination protein assembly, strand invasion, and exchange.

Molecular Chaperone Protein Folding

Study of heat shock protein-assisted folding and client protein interaction at single molecule level.

Single Molecule Plasmon Sensing

Detection of molecular interactions using surface plasmon resonance from individual nanoparticles.

RNA Pseudoknot Folding Dynamics

Analysis of complex RNA structural transitions and kinetic folding pathways in individual molecules.

Single Molecule Protein Glycosylation

Investigation of carbohydrate attachment and glycan-mediated protein interactions at molecular resolution.

DNA Hairpin Formation Kinetics

Study of secondary structure formation and loop nucleation in individual DNA molecules.

Single Molecule Optical Trapping

Application of laser-based manipulation to measure forces and displacements in individual biomolecules.

Single Molecule Protein-Lipid Interaction Kinetics

Investigation of real-time binding and dissociation events between individual protein molecules and lipid bilayer membranes using single-molecule techniques.

Nucleosome Dynamics and Histone Modifications

Real-time observation of single nucleosome assembly, disassembly, and dynamic repositioning events coupled with epigenetic modifications.

Single Molecule Transcription Factor Scanning

Direct measurement of how individual transcription factors search, recognize, and bind to specific DNA sequences in real time.

Viral Capsid Assembly and Maturation

Single-molecule tracking of protein shell assembly during viral particle formation and subsequent conformational maturation processes.

Single Molecule Antibody-Antigen Recognition

Characterization of binding kinetics and mechanical forces involved in individual antibody recognition of epitopes on antigen molecules.

RNA Secondary Structure Switching Kinetics

Measurement of transition rates and pathways between alternative RNA secondary structures at the single-molecule level.

Single Molecule Protein Phosphorylation Dynamics

Real-time observation of kinase-mediated phosphorylation events on individual protein molecules and their functional consequences.

Telomere Shelterin Complex Assembly

Single-molecule investigation of protein complex formation and dynamics at telomeric DNA ends.

Single Molecule Metabolic Enzyme Cascades

Real-time tracking of substrate channeling and sequential catalytic events among multiple enzymes at the single-molecule scale.

DNA Methylation and Demethylation Mechanisms

Single-molecule observation of epigenetic modification dynamics and their roles in gene regulation processes.

Single Molecule Glycan-Protein Binding

Investigation of carbohydrate recognition and binding specificity at the single-molecule level using optical and mechanical techniques.

Protein Ubiquitination and Deubiquitination

Real-time measurement of E3 ligase and deubiquitinase activity on individual protein substrates.

Single Molecule Membrane Fusion Intermediates

Direct observation of lipid bilayer fusion process intermediates and SNARE-mediated fusion mechanics.

Bacterial Flagellar Motor Torque Dynamics

Real-time measurement of torque generation and mechanical properties of individual bacterial rotary motors.

Single Molecule Protein Hydroxylation

Investigation of hydroxylase enzyme activity and oxygen-dependent modifications on individual protein molecules.

Ribosome Translation Fidelity and Kinetics

Real-time observation of ribosomal protein synthesis including codon recognition and amino acid incorporation errors.

Single Molecule Receptor Clustering

Investigation of lateral diffusion, oligomerization, and nanocluster formation of individual cell surface receptors.

DNA Supercoiling and Topoisomerase Activity

Real-time measurement of topological changes and enzymatic relaxation of supercoiled DNA at single-molecule resolution.

Single Molecule Protein Quality Control

Investigation of proteasomal recognition, unfolding, and degradation of individual misfolded protein substrates.

Spliceosome Assembly and Catalysis

Real-time observation of pre-mRNA splicing machinery assembly and sequential phosphodiester bond cleavage events.

Single Molecule DNA Photodamage and Repair

Direct measurement of photochemical DNA lesion formation and enzymatic repair kinetics at single-molecule level.

Axonemal Dynein Arm Power Stroke

High-resolution observation of individual dynein motor protein mechanics during ciliary and flagellar beating.

Single Molecule Protein-RNA Recognition Codes

Investigation of sequence-specific and structure-dependent recognition mechanisms between individual proteins and RNA molecules.

Conformational Heterogeneity in Protein Dynamics

Real-time detection and characterization of dynamic conformational states and transitions within individual protein molecules.

Single Molecule DNA Gyrase Supercoiling

Direct measurement of ATP-driven DNA topology alterations catalyzed by individual gyrase enzyme molecules.

Protein Import Through Nuclear Pore Complexes

Single-molecule tracking of individual cargo molecules transiting through nuclear pore complexes during nuclear import.

Single Molecule Transporter Substrate Cycling

Real-time observation of substrate binding, translocation, and release cycles in individual membrane transporter proteins.

RNA-Mediated Gene Silencing Mechanisms

Single-molecule investigation of RISC complex formation and target RNA degradation or translational repression.

Single Molecule Integrase Catalysis

Real-time measurement of viral or transposable element integrase-mediated DNA strand transfer and integration events.

Protein Conformational Selection Dynamics

Investigation of how individual proteins select among pre-existing conformations during ligand binding and catalysis.

Single Molecule Peptide Bond Formation

Direct observation of ribosomal peptidyl transferase catalysis and aminoacyl-tRNA accommodation at single-molecule resolution.

DNA Mismatch Recognition and Excision

Real-time measurement of mismatch repair protein scanning, recognition, and excision activities on DNA.

Single Molecule Polyubiquitin Chain Branching

Investigation of ubiquitin chain topology formation and recognition by deubiquitinating enzymes at single-molecule level.

Nucleotide Excision Repair Complex Scanning

Single-molecule observation of NER machinery scanning DNA for lesions and performing coordinated excision and ligation.

Single Molecule Collagen Biosynthesis

Real-time tracking of prolyl hydroxylation, lysyl hydroxylation, and glycosylation during collagen triple helix assembly.

Protein Liquid-Liquid Phase Separation Kinetics

Investigation of individual protein molecules nucleating and growing biomolecular condensates through phase transition processes.

Single Molecule Retroviral Integration

Real-time observation of reverse transcriptase and integrase activities during retroviral genome replication and insertion.

DNA Exonuclease Processivity and Kinetics

Single-molecule measurement of directional DNA degradation rates and pause-resume dynamics in exonuclease enzymes.

Single Molecule Protein Palmitoylation

Investigation of lipid modification dynamics and membrane targeting of individual palmitoylated protein molecules.

Centrosome Assembly and Maturation

Single-molecule tracking of pericentriolar material protein recruitment and microtubule nucleation capacity changes.

Single Molecule Protease Substrate Specificity

Real-time observation of serine, aspartic, and metalloproteases recognizing and cleaving specific peptide substrates.

DNA Basepairing Disruption and Reformation

Single-molecule measurement of hydrogen bond breaking and reformation dynamics during DNA strand separation and renaturation.

Single Molecule Lipid Flippase Activity

Investigation of ATP-dependent lipid translocation and directional movement across membranes by individual flippase enzymes.

Protein Disulfide Isomerase Catalysis Dynamics

Real-time measurement of redox-catalyzed disulfide bond rearrangement and protein oxidative folding at single-molecule level.

Single Molecule Bacterial Chemotaxis Response

Direct observation of individual chemoreceptor methylation and phosphorylation-mediated signal transduction in bacterial sensing.

Apoptotic Protein Oligomerization Cascades

Single-molecule investigation of caspase and BH3-only protein interactions driving programmed cell death signaling.

Single Molecule DNA Crosslink Formation

Real-time measurement of DNA adduct formation by chemical and photochemical agents and repair pathway initiation.

Protein Allosteric Communication Pathways

Investigation of conformational signal propagation through individual protein molecules upon ligand binding or catalysis.

Single Molecule Ribosome Translation Dynamics

Investigation of real-time ribosomal protein synthesis mechanisms at individual molecule resolution using optical and mechanical methods.

Nucleosome Positioning and Chromatin Remodeling

Characterization of single nucleosome dynamics and ATP-dependent chromatin remodeler mechanisms at the molecular level.

Single Molecule Transcription Factor Binding Kinetics

Real-time measurement of transcription factor association and dissociation rates on single DNA molecules.

Protein Membrane Insertion and Translocation

Direct observation of nascent protein insertion through the endoplasmic reticulum translocon at single molecule scale.

Single Molecule Mitochondrial Respiration Chain

Measurement of electron transfer and proton pumping events in individual mitochondrial respiratory complexes.

DNA Methylation and Epigenetic Dynamics

Single molecule tracking of DNA methyltransferase activity and methylation state changes on individual DNA strands.

Single Molecule Ligand-Receptor Binding Thermodynamics

Determination of binding affinity and enthalpy changes by measuring individual ligand-receptor interaction events.

Bacterial Flagellar Motor Rotation Mechanics

Direct measurement of torque generation and rotational dynamics in single bacterial rotary motors.

Single Molecule DNA Mismatch Recognition

Observation of mismatch repair protein scanning and lesion identification on individual DNA molecules.

Single Molecule Autophagy Protein Conjugation

Characterization of ubiquitin-like protein conjugation cascades involved in autophagy at the individual molecule level.

Telomerase Extension and Substrate Recognition

Direct observation of telomerase catalytic activity and template utilization on single telomeric DNA substrates.

Single Molecule Exosome RNA Degradation

Measurement of individual exosome complex degradation rates and processivity on single RNA molecules.

Protein Lipidation and Membrane Anchoring

Single molecule observation of protein prenylation and palmitoylation events leading to membrane association.

Single Molecule Synaptic Vesicle Release

Direct measurement of SNARE-mediated membrane fusion and neurotransmitter release events at individual synapses.

DNA Topoisomerase Catalytic Cycle Resolution

Real-time observation of topoisomerase-catalyzed DNA strand passage and supercoiling manipulation at single molecule level.

Single Molecule Histone Tail Modification

Tracking of individual histone acetyltransferase and methyltransferase enzymatic events on nucleosomal substrates.

Circadian Clock Protein Interactions

Investigation of single molecule binding and conformational dynamics of circadian rhythm regulator proteins.

Single Molecule Immune Synapse Formation

Real-time tracking of TCR and MHC-peptide complex engagement during single cell immune activation events.

Protein Quality Control and Proteasomal Degradation

Single molecule measurement of ubiquitinated protein recognition and proteasome-mediated substrate unfolding and degradation.

Single Molecule DNA Supercoiling Topology

Direct observation and measurement of plectonemic supercoil formation and resolution in individual DNA molecules.

Cohesin Ring Protein Dynamics and DNA Loading

Real-time visualization of cohesin ring opening, DNA loading, and chromosome cohesion at single molecule scale.

Single Molecule G-Quadruplex Formation and Unfolding

Characterization of guanine-rich DNA secondary structure formation and disruption kinetics in single molecules.

Single Molecule Splicing Kinetics and Accuracy

Real-time measurement of spliceosomal catalytic rate and fidelity during individual pre-mRNA splicing reactions.

Bacterial Chemotaxis Protein Methylation Dynamics

Tracking of individual methylation and demethylation events on chemotaxis receptor proteins in real time.

Single Molecule Proline-Isomerization Coupling

Measurement of prolyl isomerase-catalyzed cis-trans isomerization effects on protein folding pathways at molecular scale.

Nucleotide Excision Repair Scanning and Unwinding

Direct observation of NER complex DNA scanning, lesion recognition, and local unwinding at individual damage sites.

Single Molecule Phase Liquid Condensate Formation

Characterization of protein oligomerization and liquid-liquid phase separation kinetics at single molecule resolution.

Myosin Head Power Stroke and Detachment

High-resolution measurement of individual myosin motor protein mechanical work output and actin filament interaction dynamics.

Single Molecule DNA Base Damage Detection

Real-time observation of base excision repair glycosylase scanning and recognition of oxidatively damaged DNA bases.

Spliceosomal snRNP Assembly and Maturation

Single molecule tracking of small nuclear RNP particle assembly and acquisition of splicing competency.

Protein Ubiquitination and Deubiquitination Events

Direct measurement of ubiquitin conjugation by individual E1, E2, E3 enzymes and deubiquitination reactions.

Single Molecule Glycosaminoglycan Binding Specificity

Characterization of single protein-GAG interactions and sequence-specific binding preferences at molecular level.

DNA Loop Extrusion by Condensin Complexes

Real-time measurement of condensin motor activity in extruding and stabilizing DNA loops during chromosome compaction.

Single Molecule Protease Substrate Selectivity

Investigation of sequence recognition and cleavage specificity by individual protease molecules on peptide substrates.

Kinesin-Microtubule Interaction and Processivity

Direct measurement of single kinesin motor stepping distance, velocity, and load-dependent detachment kinetics.

Single Molecule Oxidoreductase Catalytic Efficiency

Real-time observation of individual electron transfer rates and substrate oxidation-reduction cycling in redox enzymes.

Viral Genome Packaging and Portal Motor Function

Measurement of single viral portal motor force output and DNA packaging rate during virus assembly.

Single Molecule Prion Seeding and Amplification

Real-time tracking of individual prion protein conversion and template-directed aggregation seed formation.

Histone Chaperone-Mediated Nucleosome Assembly

Single molecule observation of histone chaperone protein loading and nucleosome deposition on DNA.

Single Molecule Integrase Catalytic Strand Transfer

Direct measurement of retroviral integrase-catalyzed DNA strand transfer and integration site selection events.

Protein Phosphorylation Site Accessibility Dynamics

Real-time tracking of kinase access to hidden phosphorylation sites during conformational protein dynamics.

Single Molecule Mechanotransduction Sensor Activation

Measurement of force-induced activation of single stretch-sensitive ion channels and mechanoreceptor proteins.

DNA Adenine Methylation and Gene Silencing

Single molecule investigation of Dam methyltransferase activity and methylation-dependent gene regulation effects.

Single Molecule Photon-Counting FRET Trajectories

High-sensitivity measurement of Foerster resonance energy transfer in individual photon-counting detection regimes.

Bacterial Toxin-Antitoxin System Protein Binding

Real-time observation of toxin-antitoxin neutralization and DNA binding regulation at single molecule level.

Single Molecule Polymerase Fidelity and Error Correction

Direct measurement of individual DNA polymerase nucleotide selection and proofreading exonuclease activity rates.

Membrane Tether Extraction and Bending Mechanics

Single molecule measurement of lipid membrane tether formation, elasticity, and force-dependent rupture dynamics.

Single Molecule Glycoprotein Oligomerization States

Real-time tracking of carbohydrate-dependent protein-protein interactions and dynamic oligomer assembly at molecular resolution.

Single Molecule Protein Hydration Shell Dynamics

Investigation of water molecule interactions and hydration layer dynamics surrounding individual proteins using high-speed atomic force microscopy and molecular dynamics simulations.

Single Molecule Lipid Flip-Flop Kinetics

Study of spontaneous lipid translocation events across bilayer membranes at the single molecule level using fluorescently labeled lipid analogs and total internal reflection microscopy.

Nanoscale Protein Clustering and Oligomerization

Real-time observation of step-wise protein assembly into oligomeric complexes using single particle tracking and super-resolution nanoscopy techniques.

Protein Surface Charge Heterogeneity Mapping

Investigation of local electrostatic variations on protein surfaces and their effects on binding kinetics using scanning probe microscopy.

Single Molecule Antibody-Antigen Binding Kinetics

Study of force-dependent dissociation and association rates in immunological interactions using biomembrane force probe technology.

DNA Photodamage and Repair Intermediates

Real-time tracking of UV-induced lesions and base excision repair enzyme activity on single DNA molecules using modified nucleotides.

Single Molecule Ubiquitination and Deubiquitination

Observation of ubiquitin conjugation and removal dynamics on substrate proteins using fluorescently tagged ubiquitin variants.

Protein Misfolding Intermediate Characterization

Identification and kinetic analysis of off-pathway misfolded protein species using pulling experiments and millisecond-resolved fluorescence spectroscopy.

Single Molecule Phosphorylation and Dephosphorylation

Direct measurement of kinase and phosphatase activity on individual protein substrates using phospho-specific fluorescent probes.

DNA Supercoiling Stress Relief Mechanisms

Study of topoisomerase activity and DNA topology changes in negatively supercoiled substrates using magnetic tweezers.

Single Molecule SARS-CoV-2 Protein Interactions

Investigation of coronavirus spike protein binding, receptor interactions, and viral entry mechanisms at the single virion level.

Protein Hydrophobic Core Formation Kinetics

Analysis of hydrophobic collapse during protein folding using fluorophores sensitive to local environment changes.

Single Molecule DNA Methylation Recognition

Study of methyl-cytosine binding protein specificity and methylation-dependent conformational changes on individual DNA molecules.

RNA Pseudoknot-Protein Binding Cooperativity

Investigation of allosteric binding effects where protein binding induces RNA pseudoknot formation using single molecule pulling experiments.

Single Molecule Membrane Fusion Events

Real-time observation of SNARE-mediated membrane fusion intermediates and lipid mixing during exocytosis using high-speed microscopy.

Protein Disulfide Isomerization and Reshuffling

Study of protein disulfide bond formation pathways and isomerase-catalyzed reshuffling kinetics at single molecule resolution.

Single Molecule Glycan-Protein Recognition

Investigation of lectin-carbohydrate binding specificity and multivalent glycan array interactions at the single molecule level.

DNA Strand Invasion and Branch Migration

Direct observation of homologous recombination intermediates including D-loops and Holliday junction dynamics using optical tweezers.

Protein Conformational Heterogeneity and Populations

Identification of multiple conformational states coexisting in protein ensembles using single molecule fluorescence correlation spectroscopy.

Single Molecule Immune Cell Activation Signaling

Study of T cell receptor and B cell receptor clustering and triggering events in live cells using total internal reflection fluorescence.

RNA Tertiary Structure Folding Pathways

Investigation of three-dimensional RNA structure assembly in large ribozymes and self-splicing introns using single molecule pulling and imaging.

Single Molecule Photoisomerization and Optical Switching

Study of azobenzene and spiropyran photoswitches for controlling protein conformation and function at the single molecule level.

Protein-DNA Sliding and Dissociation Rates

Measurement of non-specific DNA binding and one-dimensional sliding kinetics of DNA-binding proteins using single molecule tracking.

Single Molecule Enzyme Product Release Kinetics

Investigation of rate-limiting product dissociation steps in enzymatic catalysis using real-time fluorescence substrate tracking.

Lipopolysaccharide Membrane Insertion Dynamics

Study of bacterial lipopolysaccharide assembly and membrane integration at single molecule resolution using atomic force microscopy.

Single Molecule RNA Editing Enzyme Kinetics

Real-time observation of adenosine and inosine deaminase activity on individual RNA substrates using modified nucleotide probes.

Protein Terminal Domain Dissociation Events

Study of N-terminal and C-terminal domain separation kinetics in multi-domain proteins using single molecule force spectroscopy.

Single Molecule DNA Homology Search Mechanism

Investigation of RecA protein-mediated homology recognition and strand exchange kinetics on individual DNA molecules.

RNA G-Quadruplex Folding and Unfolding

Study of guanine-rich RNA structure formation, stability, and helicase-unwinding kinetics at single nucleotide resolution.

Single Molecule Proteasome Substrate Unfolding

Real-time measurement of AAA-ATPase unfoldase activity and substrate threading through the proteasome using optical trapping.

Protein Cofactor Binding and Release Dynamics

Investigation of NAD, FAD, and metal ion cofactor binding kinetics affecting protein activity at the single molecule level.

Single Molecule DNA Polymerase Fidelity Mechanisms

Study of base selection, mismatch recognition, and proofreading exonuclease activity in DNA polymerases using modified nucleotides.

Membrane Protein Insertion and Translocation Pathways

Real-time observation of nascent protein translocation through Sec translocase and signal peptide processing at single molecule resolution.

Single Molecule Hemoglobin Oxygen Binding Cooperativity

Investigation of allosteric subunit communication in hemoglobin tetramers during oxygen binding using single molecule fluorescence.

DNA Mismatch Recognition and Repair Kinetics

Study of MutS protein scanning for DNA mismatches and initiation of mismatch repair cascade at single molecule level.

Single Molecule Prion Domain Propagation

Investigation of self-templating prion protein structural conversion and templated conformational changes in susceptible proteins.

Protein Stochastic Birth-Death Conformational Dynamics

Analysis of rare conformational transitions using Markov chain modeling and transition path sampling in single molecule trajectories.

Single Molecule RNA Splicing Catalysis and Kinetics

Real-time observation of group II self-splicing introns and snRNP catalytic activity using FRET-labeled RNA substrates.

Extracellular Matrix Protein Unfolding Mechanics

Study of mechanotransduction through collagen and fibronectin domain unfolding under physiological forces using optical tweezers.

Single Molecule Circadian Clock Protein Interactions

Investigation of period and cryptochrome protein binding and conformational changes underlying circadian rhythm generation.

DNA Thymine Dimer Photoreversal Mechanisms

Real-time tracking of photolyase enzyme activity and thymine dimer repair using single molecule fluorescence under UV-A light.

Single Molecule Protein Arginine Methylation Kinetics

Study of protein arginine methyltransferase activity and substrate recognition on individual protein molecules.

Single Molecule Ubiquitination and Proteasomal Degradation

Characterization of E1-E2-E3 enzyme cascades and substrate recognition during ubiquitin conjugation followed by 26S proteasome-mediated protein degradation pathways.

RNA Loop Formation and Base Pairing Kinetics

Investigation of transient and stable RNA loop formation, including tetraloop-receptor interactions at single molecule resolution.

Single Molecule Liquid-Liquid Phase Separation Kinetics

Real-time observation of biomolecular condensate nucleation, maturation, and molecular exchange dynamics within membraneless organelles using single-particle tracking methods.

Single Molecule Splice Site Recognition and Catalysis

Direct measurement of spliceosome conformational transitions and transesterification reaction mechanisms during pre-mRNA splicing at single-molecule resolution.

Single Molecule Signal Transduction Protein Cascades

Study of kinase autophosphorylation, substrate phosphorylation, and signal propagation in mitogen-activated protein kinase pathways.

Viral Capsid Assembly and Disassembly Intermediates

Real-time observation of viral protein shell formation, genome packaging, and maturation-induced structural rearrangements.

Single Molecule Glycan-Lectin Recognition Events

Quantification of carbohydrate-binding protein specificity and multivalent interaction kinetics relevant to cell adhesion and immune recognition using force spectroscopy.

Single Molecule Metal Ion Coordination Dynamics

Investigation of zinc, iron, and magnesium ion binding to proteins and effects on folding and conformational stability.

Single Molecule Metabolic Enzyme Substrate Channeling

Analysis of direct substrate transfer between sequential enzymes and intermediate product shielding within single metabolic pathway complexes and multi-enzyme assemblies.

Single Molecule Pathogen DNA Injection and Integration

Direct observation of viral and transposable element DNA delivery mechanisms, packaging forces, and chromosomal integration site selection at single-molecule sensitivity.

Single Molecule Mitochondrial Protein Import and Translocation

Real-time characterization of TOM-TIM translocase machinery function, inner membrane potential sensing, and unfolded protein translocation through mitochondrial membranes.

Single Molecule Protein Post-translational Modification Dynamics

Investigation of real-time kinetics and spatial heterogeneity of protein phosphorylation, ubiquitination, and acetylation events at the single-molecule level using advanced fluorescence and force-based techniques.