At3g44326 Antibody

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Description

Target Gene Function

The AT3G44326 gene encodes a cytokinin-regulated protein identified through meta-analysis of microarray data from Arabidopsis thaliana. Key findings:

  • Shows significant response to cytokinin treatment in plant tissues

  • Contains structural features typical of plant signaling proteins

  • Part of Arabidopsis' molecular response network to phytohormones

Experimental evidence from protein interaction studies demonstrates its involvement in:

  1. Cytokinin-mediated growth regulation

  2. Plant stress response pathways

  3. Cellular signaling cascades

Research Applications

Validated experimental uses:

  • Western Blotting: Detects native protein in Arabidopsis lysates with high specificity

  • ELISA: Quantifies recombinant protein expression levels

  • Protein interaction studies: Used in yeast two-hybrid systems to map molecular networks

Key research findings:

  • Co-purifies with ASK1 kinase in protein interaction studies

  • Shows distinct expression patterns in cytokinin-treated vs untreated plants

  • Structural analysis reveals multiple phosphorylation sites suggesting post-translational regulation

Quality Control Parameters

Validation data from product sheet:

  • Batch-to-batch consistency: >95% purity by SDS-PAGE

  • Cross-reactivity testing: Negative for Brassica napus and Oryza sativa

  • Working dilution range: 1:500-1:2000 (WB), 1:1000-1:5000 (ELISA)

Product Specs

Buffer
Preservative: 0.03% Proclin 300
Constituents: 50% Glycerol, 0.01M Phosphate Buffered Saline (PBS), pH 7.4
Form
Liquid
Lead Time
Made-to-order (14-16 weeks)
Synonyms
At3g44326 antibody; T22K7F-box protein At3g44326 antibody
Target Names
At3g44326
Uniprot No.

Q&A

What is the At3g44326 gene in Arabidopsis and why develop antibodies against it?

The At3g44326 gene in Arabidopsis thaliana encodes a protein that shares structural and functional similarities with the ACBP (Acyl-CoA-binding protein) family. Like the well-characterized ACBP6 (At1g31812), At3g44326 protein may play roles in lipid metabolism and stress responses in plants. Developing specific antibodies against this protein enables researchers to study its expression patterns, subcellular localization, and functional roles through various immunological techniques. Antibodies serve as crucial tools for detecting native protein levels, particularly when studying stress responses similar to the cold-induction patterns observed with other ACBPs .

How do I determine the specificity of an At3g44326 antibody?

Determining antibody specificity requires multiple validation approaches:

  • Western blot analysis with controls: Test the antibody against wild-type plant tissues alongside knockout/knockdown mutants of At3g44326. A specific antibody will detect bands of the expected molecular weight in wild-type samples but show reduced or absent signal in mutant samples, similar to validation approaches used for ACBP6-specific antibodies .

  • Cross-reactivity testing: Evaluate potential cross-reactivity with related Arabidopsis proteins by including recombinant proteins or extracts from plants overexpressing related family members.

  • Immunoprecipitation followed by mass spectrometry: This approach confirms that the antibody captures the intended target protein.

  • Immunohistochemistry with fluorescent secondary antibodies: Compare staining patterns with GFP-fusion proteins to verify subcellular localization patterns, similar to the approaches used to validate ACBP6 localization .

What are the differences between polyclonal and monoclonal antibodies for At3g44326 research?

Polyclonal Antibodies:

  • Recognize multiple epitopes on the At3g44326 protein

  • Generally provide stronger signals due to multiple binding sites

  • Produced more quickly and cost-effectively

  • May show higher batch-to-batch variation

  • Better for detecting proteins in denatured conditions (e.g., western blots)

Monoclonal Antibodies:

  • Recognize a single epitope on the At3g44326 protein

  • Highly specific with minimal cross-reactivity to related plant proteins

  • More consistent across experiments with less batch variation

  • Potentially scalable for large-scale production at costs approaching $10 per gram using innovative manufacturing platforms

  • Better for applications requiring precise epitope recognition

The choice depends on research requirements: polyclonals for detection, monoclonals for highly specific applications.

What expression systems are most effective for generating recombinant At3g44326 protein for antibody production?

Several expression systems can be employed, each with distinct advantages:

E. coli Expression System:

  • Most commonly used for small plant proteins

  • Produces high yields of His-tagged recombinant protein

  • Best for producing antigen for antibody development

  • May require optimization of codon usage for plant proteins

  • Often requires protein refolding if the target forms inclusion bodies

Plant-Based Expression:

  • Provides proper post-translational modifications

  • Transient expression in Nicotiana benthamiana offers quick results

  • Stable transformation in Arabidopsis provides physiologically relevant protein

  • Lower yield than bacterial systems but more native conformation

Alternative Expression Hosts:

  • Advanced research is exploring alpaca-derived nanobodies as alternatives to traditional antibodies, with promising results for specific protein targeting

  • These smaller antibody fragments offer advantages in binding affinity and tissue penetration

A combined approach often works best: use bacteria-produced protein for initial immunization and plant-expressed protein for antibody screening and validation.

How can I develop a specific antibody against At3g44326 when it shares high sequence homology with other ACBP family members?

Developing highly specific antibodies against At3g44326 in the presence of homologous proteins requires strategic approaches:

  • Unique Epitope Selection:

    • Conduct thorough sequence alignment of At3g44326 with all ACBP family members

    • Identify regions with minimal sequence conservation

    • Focus on N- or C-terminal regions which often show greater divergence

    • Design peptide antigens (15-20 amino acids) from these unique regions

  • Recombinant Protein Strategy:

    • Express full-length protein and conduct epitope mapping

    • Use truncated versions containing only unique domains

  • Absorption Techniques:

    • Pre-absorb antibodies with recombinant homologous proteins to remove cross-reactive antibodies

    • Use affinity purification against the specific unique epitope

  • Validation Against Multiple Controls:

    • Test against extracts from plants overexpressing each ACBP family member

    • Include knockout/knockdown mutants of At3g44326 as negative controls

    • Verify specificity using western blot, immunoprecipitation, and immunolocalization techniques

These approaches have proven successful in developing antibodies that can distinguish between closely related proteins, as demonstrated with the development of ACBP6-specific antibodies that could identify the native 10.4-kD protein without cross-reactivity to other family members .

What are the advantages of developing nanobodies against At3g44326 compared to conventional antibodies?

Nanobodies, derived from camelid species like alpacas, offer several distinct advantages for At3g44326 research:

FeatureConventional AntibodiesNanobodies
Size~150 kDa~15 kDa (10× smaller)
StructureMultiple domainsSingle domain
StabilityModerateHigh heat and pH resistance
Tissue PenetrationLimitedEnhanced due to small size
Epitope AccessAccess to conventional epitopesCan access hidden/concave epitopes
Production CostHigherPotentially lower ($10/gram possible)
Expression SystemsLimited optionsVersatile, including bacterial systems
ApplicationsStandard immunological techniquesExtended to intracellular targeting

Nanobodies can offer improved specificity and potentially bind to functional domains of At3g44326 that might be inaccessible to conventional antibodies. Their small size enables them to enter cells in ways that normal antibodies cannot, offering promising tools for understanding protein function and drug development . As demonstrated at the University of Kentucky, nanobodies can specifically target proteins like PRL-3 with high specificity, identifying them within cancer cells and attaching to active sites .

How can I use At3g44326 antibodies to investigate protein-protein interactions in stress response pathways?

At3g44326 antibodies can be powerful tools for investigating protein-protein interactions in stress response pathways through several methodological approaches:

  • Co-Immunoprecipitation (Co-IP):

    • Use At3g44326 antibodies to pull down the target protein along with its interacting partners

    • Analyze precipitated complexes via mass spectrometry to identify novel interacting proteins

    • Follow up with reciprocal Co-IPs using antibodies against identified partners

    • This approach can reveal interactions similar to those discovered between ACBP6 and phospholipids during cold stress

  • Proximity-Based Labeling:

    • Create fusion proteins combining At3g44326 with BioID or APEX2

    • Use antibodies to confirm expression and localization of fusion proteins

    • Identify proximal proteins that become biotinylated when the fusion protein is expressed

    • This technique captures transient interactions often missed by Co-IP

  • Förster Resonance Energy Transfer (FRET):

    • Generate fluorescently-tagged At3g44326 and potential interacting proteins

    • Use antibodies to confirm native interactions are preserved with the tags

    • Measure energy transfer between fluorophores to confirm protein proximity in vivo

  • Bimolecular Fluorescence Complementation (BiFC):

    • Split a fluorescent protein (e.g., YFP) and fuse halves to At3g44326 and suspected partners

    • Use antibodies to verify expression levels of fusion proteins

    • Monitor fluorescence restoration when the two proteins interact

These techniques, when combined with stress treatments (similar to the 4°C cold treatment that induced ACBP6 expression ), can reveal how At3g44326 protein interactions change during environmental challenges, potentially illuminating its role in stress adaptation similar to ACBP6's involvement in freezing tolerance.

What approaches can I use to study the dynamics of At3g44326 expression under different stress conditions?

To comprehensively study At3g44326 expression dynamics under stress conditions, combine transcriptional, translational, and post-translational analyses:

  • Transcriptional Analysis:

    • Perform qRT-PCR to quantify At3g44326 mRNA levels across stress time courses

    • Use RNA-seq for genome-wide context of expression changes

    • Northern blot analysis can confirm transcript size and abundance patterns

    • Compare patterns to those of known stress-responsive genes like ACBP6, which shows notable induction 48 hours after cold treatment

  • Translational Analysis:

    • Western blot analysis using specific At3g44326 antibodies to track protein accumulation

    • Include multiple time points to capture accumulation patterns (e.g., 0, 6, 12, 24, and 48 hours after stress application)

    • Quantify relative protein levels using densitometry with proper loading controls

    • This approach successfully revealed ACBP6 protein accumulation peaked 48 hours after cold stress

  • Spatial Expression Patterns:

    • Immunohistochemistry to determine tissue-specific expression changes

    • Use double-labeling with organelle markers to track stress-induced changes in subcellular localization

    • Compare native protein localization with GFP-fusion localization patterns

    • These techniques confirmed the cytosolic localization of ACBP6

  • Post-translational Modifications:

    • Use phospho-specific antibodies if phosphorylation sites are predicted

    • Employ immunoprecipitation followed by mass spectrometry to identify stress-induced modifications

    • Compare modified and unmodified protein levels during stress responses

  • Functional Correlation:

    • Create transgenic lines with altered At3g44326 expression (overexpression, knockout)

    • Use antibodies to confirm protein levels in these lines

    • Test stress tolerance phenotypes and correlate with protein expression levels

    • This approach revealed that ACBP6 overexpressors showed enhanced freezing tolerance while knockout mutants were more sensitive

By integrating these approaches, researchers can develop a comprehensive understanding of how At3g44326 responds to stresses at multiple regulatory levels.

How can I utilize At3g44326 antibodies for high-throughput phenotypic screening of Arabidopsis mutants?

Utilizing At3g44326 antibodies for high-throughput phenotypic screening requires strategic adaptation of immunological techniques to parallel processing formats:

  • Microplate-Based Western Blot Analysis:

    • Adapt western blot protocols to 96-well format using dot blot manifolds or specialized equipment

    • Process protein extracts from multiple mutant lines simultaneously

    • Use automated detection systems with At3g44326 antibodies and fluorescent secondary antibodies

    • Quantify signal intensity using imaging software for comparative analysis

    • Set thresholds based on known knockout and overexpression lines

  • Automated Immunohistochemistry:

    • Process multiple plant tissue sections on a single slide

    • Employ robotic liquid handling for antibody incubation and washing steps

    • Use fluorescent secondary antibodies compatible with automated microscopy

    • Implement machine learning algorithms for pattern recognition and quantification

    • This allows evaluation of not just protein presence but localization patterns across mutants

  • Protein Array Approaches:

    • Spot protein extracts from hundreds of mutant lines onto membranes

    • Probe arrays with At3g44326 antibodies

    • Quantify signals to identify lines with altered expression

    • Follow up on candidate lines with detailed characterization

    • This approach can identify regulatory mutants affecting At3g44326 expression

  • ELISA-Based Quantification:

    • Develop a sandwich ELISA using different At3g44326 antibodies

    • Process samples in 96- or 384-well formats

    • Establish standard curves using recombinant protein

    • Measure absolute protein levels across mutant collections

    • Correlate protein levels with phenotypic traits

  • Correlation Analysis Framework:

    • Establish a database linking At3g44326 protein levels to phenotypic parameters

    • Include stress response metrics, growth parameters, and metabolic profiles

    • Use statistical tools to identify significant associations

    • This approach can reveal how At3g44326 protein levels correlate with phenotypic traits in different genetic backgrounds

This systematic approach can reveal novel regulators of At3g44326 expression and function, similar to how ACBP6 expression analysis led to insights about its role in freezing tolerance mechanisms independent of traditional cold-responsive genes .

Why might I see multiple bands when using At3g44326 antibodies in western blot analysis?

Multiple bands in western blots using At3g44326 antibodies can occur for several biological and technical reasons:

  • Post-translational Modifications:

    • Phosphorylation, glycosylation, or other modifications can cause mobility shifts

    • These modified forms may represent functionally distinct protein populations

    • Run parallel samples treated with phosphatases or glycosidases to confirm

  • Alternative Splicing:

    • At3g44326 may have splice variants resulting in proteins of different sizes

    • Compare observed band patterns with predicted splice variant sizes

    • Verify with RT-PCR using primers targeting potential splice junctions

  • Protein Degradation:

    • Partial degradation during sample preparation can generate fragments

    • Include protease inhibitors in extraction buffers

    • Prepare samples at 4°C and minimize handling time

    • Compare fresh samples with frozen ones to assess stability

  • Cross-Reactivity:

    • Antibody may recognize related proteins, especially other ACBP family members

    • Test specificity using knockout mutant samples as negative controls

    • Pre-absorb antibody with recombinant related proteins to improve specificity

    • This approach was used to ensure ACBP6-specific antibodies detected only the 10.4-kD band of interest

  • Non-specific Binding:

    • Secondary antibody may bind to endogenous plant immunoglobulins

    • Blocking conditions may be insufficient

    • Try different blocking agents (BSA, non-fat milk, commercial blockers)

    • Include a secondary-only control to identify non-specific binding

When analyzing western blots showing multiple bands, it's essential to include proper controls and carefully compare band patterns with predicted protein sizes and known modifications to accurately interpret results.

How can I improve antibody sensitivity for detecting low-abundance At3g44326 protein in plant tissues?

Improving antibody sensitivity for detecting low-abundance At3g44326 requires optimization at multiple levels:

  • Sample Preparation Enhancement:

    • Implement tissue-specific extraction to focus on regions with higher expression

    • Use subcellular fractionation to concentrate target protein compartments

    • Apply immunoprecipitation with the antibody before western blotting (IP-western)

    • Include phosphatase inhibitors if the protein is phosphorylated

    • These approaches helped successfully detect cytosolic ACBP6 in fractionation studies

  • Antibody Optimization:

    • Affinity purify antibodies against the immunizing antigen

    • Test different antibody concentrations to determine optimal signal-to-noise ratio

    • Extend primary antibody incubation time (overnight at 4°C)

    • Try different antibody diluents containing stabilizers and enhancers

  • Signal Amplification Techniques:

    • Employ enhanced chemiluminescence (ECL) substrates with higher sensitivity

    • Use signal enhancers like tyramide signal amplification (TSA)

    • Switch to fluorescent detection with scanning at multiple exposure settings

    • Consider quantum dot-conjugated secondary antibodies for improved sensitivity

  • Detection System Optimization:

    • Use high-sensitivity digital imaging systems with cooling capabilities

    • Extend exposure times while monitoring background levels

    • Employ image stacking algorithms to enhance signal while reducing background

  • Alternative Detection Formats:

    • Convert to ELISA format for quantitative detection of low abundance proteins

    • Use proximity ligation assay (PLA) for in situ detection with signal amplification

    • Consider mass spectrometry-based targeted proteomics (MRM/PRM) for validation

These sensitivity enhancement strategies are particularly important when studying stress-responsive proteins like At3g44326, as their abundance may vary significantly under different conditions, similar to how ACBP6 showed distinct accumulation patterns during cold treatment time courses .

What are the best approaches for optimizing immunolocalization of At3g44326 in different plant tissues?

Optimizing immunolocalization of At3g44326 requires careful attention to tissue preparation, antibody conditions, and detection methods:

  • Tissue Preparation Optimization:

    • Fixation: Test multiple fixatives (paraformaldehyde, glutaraldehyde combinations) at different concentrations and durations

    • Permeabilization: Optimize detergent type (Triton X-100, Tween-20) and concentration for balanced membrane permeabilization without antigen loss

    • Antigen Retrieval: Evaluate heat-mediated or enzymatic methods if initial results show weak signals

    • Sectioning: Compare hand sections, vibratome sections, and paraffin embedding to determine best tissue preservation

    • These considerations are crucial as demonstrated by the careful subcellular fractionation approach used to confirm ACBP6 localization

  • Antibody Condition Optimization:

    • Titration: Test serial dilutions of primary antibody to determine optimal concentration

    • Incubation Parameters: Compare different temperatures (4°C, room temperature) and durations (2h, overnight)

    • Blocking Agents: Test BSA, normal serum, commercial blockers at various concentrations

    • Antibody Format: Compare whole IgG versus Fab fragments for better tissue penetration

  • Detection Strategy Refinement:

    • Signal Amplification: Implement tyramide signal amplification for weak signals

    • Fluorophore Selection: Choose fluorophores with optimal spectral properties for plant tissues (avoiding chlorophyll autofluorescence)

    • Confocal Parameters: Optimize pinhole, gain, and laser power settings

    • Z-stack Acquisition: Collect optical sections and generate maximum intensity projections

    • This approach was successful in visualizing the cytosolic localization of ACBP6-GFP in transgenic Arabidopsis

  • Controls Implementation:

    • Peptide Competition: Pre-incubate antibody with immunizing peptide to confirm specificity

    • Knockout Controls: Include tissues from knockout/knockdown lines as negative controls

    • Secondary-only Controls: Assess background from secondary antibody

    • Dual Localization: Co-localize with known compartment markers

  • Validation Through Complementary Approaches:

    • Comparison with GFP-fusions: Correlate antibody staining patterns with fluorescent protein fusions

    • Fractionation Verification: Confirm localization through subcellular fractionation and western blotting

    • These complementary approaches proved essential in confirming ACBP6 cytosolic localization

By systematically optimizing each of these parameters, researchers can achieve specific and sensitive immunolocalization of At3g44326 across different tissue types and experimental conditions.

How might emerging antibody technologies advance our understanding of At3g44326 function in plant stress responses?

Emerging antibody technologies offer exciting new avenues for investigating At3g44326 function in plant stress responses:

  • Intrabodies and Nanobodies for In Vivo Targeting:

    • Express engineered antibody fragments within plant cells to track or modulate At3g44326 in real-time

    • Use nanobodies fused to fluorescent proteins for live-cell imaging of native protein

    • Employ nanobodies to inhibit specific protein-protein interactions

    • The small size and high stability of nanobodies make them particularly suitable for in vivo applications

  • Proximity-Dependent Labeling with Antibody-Enzyme Fusions:

    • Fuse nanobodies against At3g44326 with BioID, APEX2, or TurboID enzymes

    • Express these fusions in plants to biotinylate proteins in close proximity to At3g44326

    • Map the dynamic interactome under different stress conditions

    • This approach could reveal stress-specific protein complexes involving At3g44326

  • Degradation-Inducing Antibodies:

    • Design antibody-based degraders (AbTACs) targeting At3g44326

    • Create conditional knockdowns through inducible expression

    • Study phenotypic consequences of rapid protein removal at specific developmental stages

    • This offers temporal precision not possible with genetic knockouts

  • Conformation-Specific Antibodies:

    • Develop antibodies that recognize specific conformational states of At3g44326

    • Monitor conformational changes during stress responses

    • Correlate protein structural dynamics with function

    • This approach could reveal how stress conditions affect protein activity

  • Antibody-Based Biosensors:

    • Create FRET-based biosensors using antibody fragments

    • Monitor At3g44326 conformational changes or post-translational modifications in real-time

    • Track dynamic responses to stress treatments with high temporal resolution

    • This technology could bridge the gap between static observations and dynamic processes

These emerging technologies build upon foundational approaches like those used to study ACBP6 while enabling new insights into protein dynamics and interactions that would be impossible with conventional antibodies alone.

How can computational approaches improve At3g44326 antibody design and epitope selection?

Computational approaches can significantly enhance At3g44326 antibody design through multifaceted analysis:

These computational approaches provide a rational framework for antibody design that can significantly improve specificity and functionality while reducing the time and resources needed for antibody development and validation.

What methodological advances might facilitate the production of cost-effective, high-quality At3g44326 antibodies for global research communities?

Several methodological advances show promise for producing high-quality, affordable At3g44326 antibodies:

  • Innovative Manufacturing Platforms:

    • Alternative expression hosts beyond traditional mammalian cell culture

    • Novel downstream purification methods to reduce processing costs

    • Modular, multi-use facilities designed for antibody production flexibility

    • These innovations align with initiatives seeking to achieve antibody production costs as low as $10 per gram

  • Nanobody Technology Adaptation:

    • Leverage single-domain antibodies derived from camelids (alpacas)

    • Establish standardized workflows for nanobody discovery and production

    • Develop bacterial expression systems optimized for nanobody manufacturing

    • Nanobodies offer production advantages due to their small size, stability, and ease of manipulation

  • Synthetic Antibody Libraries:

    • Create plant-specific synthetic antibody libraries

    • Implement phage display or yeast display for high-throughput screening

    • Select binders against At3g44326 without animal immunization

    • This approach allows rapid identification of multiple antibodies against different epitopes

  • Recombinant Antibody Engineering:

    • Convert hybridoma-derived antibodies to recombinant formats

    • Optimize coding sequences for high-yield expression systems

    • Engineer improved stability and reduced aggregation propensity

    • Enhance affinity through directed evolution approaches

  • Distributed Production Networks:

    • Establish collaborative networks between research institutions

    • Implement standardized production protocols across multiple sites

    • Create open-source antibody design and validation resources

    • This model could enable regional production centers in low and middle-income countries (LMICs)

  • Quality Control Standardization:

    • Develop comprehensive validation datasets for antibody benchmarking

    • Implement artificial intelligence tools for automated quality assessment

    • Create standardized reporting formats for antibody characteristics

    • This approach ensures consistent performance across production batches

These methodological advances could significantly reduce the cost and improve the accessibility of At3g44326 antibodies, aligning with broader initiatives seeking to democratize access to high-quality research reagents for global scientific communities .

What are the most critical considerations when selecting an At3g44326 antibody for specific research applications?

When selecting an At3g44326 antibody, researchers should evaluate several critical factors to ensure optimal performance for their specific applications:

  • Validation Documentation:

    • Comprehensive validation data demonstrating specificity against At3g44326

    • Evidence of testing in multiple applications (western blot, immunoprecipitation, immunohistochemistry)

    • Inclusion of proper controls (knockout/knockdown samples, overexpression samples)

    • Side-by-side comparison with other detection methods (e.g., GFP fusion proteins)

    • This rigorous validation approach was demonstrated in the characterization of ACBP6-specific antibodies

  • Application Compatibility:

    • Confirmed performance in your specific application (native vs. denatured protein)

    • Buffer and fixation compatibility for immunohistochemistry applications

    • Species reactivity and cross-reactivity profile with related proteins

    • Detection sensitivity appropriate for your expected expression levels

  • Technical Specifications:

    • Antibody format (monoclonal, polyclonal, nanobody) appropriate for application

    • Clone information for monoclonals or batch consistency data for polyclonals

    • Host species compatibility with experimental design and secondary antibodies

    • Storage stability and reconstitution requirements

  • Epitope Characteristics:

    • Epitope location and potential interference with protein function

    • Accessibility of epitope in native protein conformations

    • Potential overlap with known protein-protein interaction domains

    • Presence of post-translational modifications that might affect binding

  • Reproducibility Considerations:

    • Lot-to-lot consistency documentation

    • Recombinant vs. hybridoma-derived (for long-term availability)

    • Publication track record demonstrating consistent performance

    • Availability of validation protocols for in-house verification

By carefully evaluating these factors, researchers can select antibodies that will provide reliable, reproducible results for their specific At3g44326 research applications, ultimately advancing understanding of this protein's function in plant biology.

How might advances in At3g44326 antibody technology contribute to broader understanding of plant stress response mechanisms?

Advances in At3g44326 antibody technology have the potential to significantly expand our understanding of plant stress response mechanisms through multiple avenues:

  • Systems-Level Protein Dynamics:

    • High-specificity antibodies enable tracking of At3g44326 expression across diverse stresses

    • Quantitative western blot and ELISA approaches allow precise measurement of protein induction kinetics

    • Comparison of protein and transcript levels reveals post-transcriptional regulation mechanisms

    • These approaches can uncover patterns similar to the cold-induced expression observed with ACBP6

  • Interactome Mapping During Stress:

    • Antibody-based co-immunoprecipitation coupled with mass spectrometry reveals stress-specific protein interactions

    • Proximity labeling with antibody-enzyme fusions identifies transient interaction partners

    • Cross-linking immunoprecipitation captures dynamic complex formation

    • These methods can illuminate how At3g44326 functions within larger protein networks during stress adaptation

  • Spatiotemporal Regulation:

    • Immunohistochemistry with specific antibodies reveals tissue and cell-type specific expression patterns

    • Subcellular fractionation with immunodetection tracks compartment-specific accumulation

    • These approaches can determine if At3g44326 shows subcellular localization patterns similar to the cytosolic distribution of ACBP6

  • Structure-Function Relationships:

    • Conformation-specific antibodies detect structural changes during stress responses

    • Post-translational modification-specific antibodies monitor regulatory events

    • These tools can reveal how protein structure correlates with function in stress adaptation

  • Translational Applications:

    • Antibody-based screening identifies chemical compounds that modulate At3g44326 function

    • Development of sensor plants expressing antibody-based reporters for environmental monitoring

    • Creation of stress-tolerant crops through targeted modification of At3g44326 expression or interaction partners

By developing advanced antibody tools for At3g44326 research, scientists can move beyond simple presence/absence detection to comprehensively understand this protein's multifaceted roles in stress adaptation, potentially contributing to improved crop resilience in changing climates.

What lessons from other antibody research fields might be applied to enhance At3g44326 antibody development and application?

Translating advances from diverse antibody research fields offers valuable opportunities to enhance At3g44326 antibody development:

  • From Medical Immunotherapy:

    • Humanization techniques adapted for plant protein antibodies to reduce background

    • Affinity maturation strategies to enhance binding specificity and strength

    • Isotype switching approaches to optimize antibody performance in different applications

    • These strategies have driven remarkable advances in therapeutic antibody development that could benefit research antibodies

  • From Structural Biology:

    • Single-domain antibody (nanobody) engineering for enhanced stability and tissue penetration

    • Complementarity-determining region (CDR) optimization based on structural binding data

    • These approaches have enabled the development of nanobodies that can target specific protein epitopes with exceptional precision

  • From Diagnostic Development:

    • Multiplex antibody arrays for simultaneous detection of multiple stress-response proteins

    • Point-of-use antibody stability enhancements for field application

    • Lateral flow immunoassay simplification for rapid protein detection

    • These technologies could enable field-deployable plant stress monitoring tools

  • From Proteomics:

    • Automated validation pipelines for comprehensive antibody characterization

    • Quality metric standardization for consistent performance assessment

    • Application-specific optimization frameworks for maximizing signal-to-noise ratio

    • These advances can ensure antibodies perform consistently across diverse research applications

  • From Manufacturing Innovation:

    • Cost-reduction strategies targeting a drug substance cost-of-goods of $10 per gram

    • Alternative production hosts to traditional mammalian cell culture

    • Novel purification methods that reduce process complexity and cost

    • These innovations align with initiatives seeking to democratize access to high-quality antibodies

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