The At3g05170 antibody is a monoclonal antibody developed against the Arabidopsis thaliana protein encoded by gene locus AT3G05170. This antibody is listed as a research reagent for plant biology studies, specifically targeting Mouse-ear cress (Arabidopsis) proteins .
While the search results contain no direct information about AT3G05170's biological function, analysis of naming conventions suggests:
Gene locus: AT3G05170 follows Arabidopsis genome nomenclature (Chromosome 3, locus 05170)
Protein family: Uniprot entry Q9MAA2 is annotated as a DUF966 domain-containing protein - a family of plant-specific proteins of unknown function
Expression: Genes in this family show root-specific expression patterns in public Arabidopsis databases (inference from general knowledge)
The provided materials reveal critical knowledge gaps:
No peer-reviewed studies using this antibody
No validation data (specificity, cross-reactivity, etc.)
No experimental applications demonstrated
Target protein characterization unavailable in provided sources
For researchers considering this reagent:
Perform BLAST analysis of immunogen sequence
Validate using AT3G05170 knockout lines
Compare signal intensity across tissue types
Test cross-reactivity with DUF966 proteins in other plants
Key unanswered questions:
Does AT3G05170 participate in stress response pathways?
What subcellular localization does the protein exhibit?
Does antibody binding correlate with gene expression levels?
Are there interacting partners detectable via immunoprecipitation?
At3g05170 Antibody (product code CSB-PA943266XA01DOA) is a polyclonal antibody raised against recombinant Arabidopsis thaliana At3g05170 protein. It specifically recognizes and binds to the At3g05170 protein in Arabidopsis thaliana (Mouse-ear cress), making it a valuable tool for studying protein expression in this model plant organism. The antibody is generated in rabbits and purified using antigen affinity methods to ensure specificity to the target protein .
The At3g05170 Antibody has been validated for use in Enzyme-Linked Immunosorbent Assay (ELISA) and Western Blotting (WB) applications. These techniques allow researchers to detect and quantify the At3g05170 protein in complex biological samples. The antibody's specificity ensures proper identification of the antigen in these applications, providing reliable results for research purposes .
For optimal preservation of antibody activity, At3g05170 Antibody should be stored at either -20°C or -80°C upon receipt. It's crucial to avoid repeated freeze-thaw cycles as these can compromise antibody function. The antibody is supplied in liquid form in a storage buffer containing 0.03% Proclin 300 as a preservative, 50% Glycerol, and 0.01M PBS at pH 7.4. This formulation helps maintain antibody stability during storage while preventing microbial contamination .
Verifying antibody specificity is crucial for reliable experimental outcomes. For At3g05170 Antibody, researchers can employ several validation strategies:
Peptide competition assays - Pre-incubating the antibody with excess recombinant At3g05170 protein before application to samples
Using At3g05170 knockout/knockdown lines as negative controls
Immunoprecipitation followed by mass spectrometry to confirm target identity
Comparing reactivity patterns across different tissue types with known expression profiles
These approaches help establish confidence in antibody specificity, similar to specificity verification methods described for other research antibodies .
At3g05170 Antibody can serve as a valuable tool in genotype-phenotype correlation studies by enabling protein-level analysis of At3g05170 expression across different Arabidopsis thaliana genotypes. Researchers can use this antibody in conjunction with NGS (Next-Generation Sequencing) data to link genetic variations to protein expression patterns. This integrated approach allows for functional validation of genetic findings and provides insights into how genetic variations affect protein abundance and function. Similar to the genotype-phenotype linked antibody screening approaches, researchers can design experiments that combine genetic analysis with protein-level detection using this antibody .
For optimal Western Blotting results with At3g05170 Antibody, follow this methodological approach:
Sample preparation:
Extract proteins from Arabidopsis thaliana tissues using appropriate lysis buffer
Determine protein concentration using Bradford or BCA assay
Prepare samples containing 20-50 μg total protein with reducing sample buffer
SDS-PAGE and transfer:
Separate proteins using 10-12% SDS-PAGE
Transfer to PVDF or nitrocellulose membrane (0.45 μm pore size)
Blocking and antibody incubation:
Block membrane with 5% non-fat dry milk in TBST for 1 hour at room temperature
Incubate with At3g05170 Antibody at 1:500-1:2000 dilution in blocking buffer overnight at 4°C
Wash 3-5 times with TBST, 5 minutes each
Incubate with HRP-conjugated anti-rabbit secondary antibody (1:5000-1:10000) for 1 hour at room temperature
Detection:
Wash 3-5 times with TBST, 5 minutes each
Develop using ECL substrate and visualize using film or digital imaging system
This protocol is based on standard Western blotting procedures for polyclonal antibodies with considerations for the specific properties of At3g05170 Antibody .
For developing a robust ELISA assay using At3g05170 Antibody, consider this methodological workflow:
| Step | Parameter | Recommended Condition | Optimization Range |
|---|---|---|---|
| Coating | Antibody concentration | 1-2 μg/ml | 0.5-5 μg/ml |
| Coating | Buffer | Carbonate buffer pH 9.6 | PBS pH 7.4 also acceptable |
| Coating | Incubation | 16 hours at 4°C | 2 hours at 37°C can be tested |
| Blocking | Agent | 3% BSA in PBS | 1-5% BSA or non-fat milk |
| Blocking | Duration | 1-2 hours at room temperature | 30 min-overnight |
| Sample | Dilution | Start with 1:10 | 1:2 to 1:100 |
| Sample | Incubation | 1-2 hours at room temperature | 37°C for 1 hour can increase sensitivity |
| Detection | Secondary antibody | HRP-conjugated anti-rabbit IgG | 1:5000-1:10000 dilution |
| Substrate | Type | TMB for HRP | OPD or ABTS are alternatives |
Begin with these conditions and perform checkerboard titrations to determine optimal antibody and sample concentrations for your specific application. This approach is similar to optimization strategies used for other research antibodies in ELISA formats .
When working with complex plant tissue samples, several methodological considerations are important:
Sample preparation:
Optimize extraction buffers to efficiently solubilize At3g05170 protein while minimizing interference from plant-specific compounds
Consider including protease inhibitors to prevent target degradation
Include reducing agents if the target protein contains disulfide bonds
Background reduction:
Pre-clear lysates by centrifugation to remove insoluble material
Consider pre-adsorption of the antibody with wild-type plant extracts from tissues not expressing the target
Optimize blocking conditions to reduce non-specific binding to plant components
Controls:
Include extracts from tissues with known expression patterns
When possible, use knockout/knockdown lines as negative controls
Detection optimization:
Adjust antibody concentration based on target abundance
Consider enhanced chemiluminescence substrates for low-abundance targets
These considerations help overcome the challenges associated with plant-specific matrix effects and ensure specific detection of At3g05170 protein .
When encountering weak or absent signals with At3g05170 Antibody, consider the following systematic troubleshooting approach:
Antibody activity:
Verify antibody integrity by avoiding repeated freeze-thaw cycles
Check expiration date and storage conditions
Consider using a positive control sample with known target expression
Protocol optimization:
Increase antibody concentration (try 2-5x higher concentration)
Extend primary antibody incubation time (overnight at 4°C)
Reduce washing stringency
Try different detection systems with higher sensitivity
Sample-related issues:
Ensure proper sample preparation to expose epitopes
Verify protein transfer efficiency in Western blotting
Confirm target protein expression in your experimental conditions
Consider target protein degradation during preparation
Expression levels:
Use techniques to enrich for the target protein (immunoprecipitation)
Consider developmental stage or experimental conditions that might affect expression
This methodical approach helps identify the source of signal problems and guides appropriate interventions .
When facing high background or non-specific binding issues, implement these research-proven strategies:
Blocking optimization:
Test different blocking agents (BSA, non-fat milk, normal serum)
Increase blocking time or concentration
Add 0.1-0.3% Tween-20 to washing and antibody dilution buffers
Antibody dilution:
Increase antibody dilution to reduce non-specific binding
Prepare antibody dilutions in fresh blocking buffer
Consider shorter incubation times at higher antibody concentrations
Sample preparation:
Include additional washing steps
Perform pre-clearing of lysates
Add 0.1-0.5M NaCl to washing buffers to increase stringency
Cross-reactivity reduction:
Pre-absorb antibody with proteins from non-target species
Purify antibody using affinity chromatography
Use monoclonal antibodies if available for the target
These approaches systematically address the common causes of background and non-specific binding in immunoassays .
For quantitative analysis of At3g05170 protein expression data, implement these methodological approaches:
Western blot quantification:
Use housekeeping proteins (e.g., actin, tubulin) as loading controls
Employ densitometry software to measure band intensity
Establish a standard curve using recombinant At3g05170 protein
Normalize target protein signal to loading control
ELISA quantification:
Generate standard curves using purified recombinant At3g05170 protein
Ensure samples fall within the linear range of detection
Run samples in technical triplicates
Apply appropriate statistical analysis (t-tests, ANOVA) to compare groups
Data normalization strategies:
Account for total protein concentration
Consider tissue-specific reference proteins
Apply log transformation for wide-ranging expression data
Software tools:
ImageJ for Western blot analysis
GraphPad Prism or R for statistical analysis and visualization
Consider using specialized ELISA analysis software for plate reader data
These quantitative approaches provide robust, reproducible analysis of protein expression data for publishing-quality results .
At3g05170 Antibody can be integrated into multiparameter analysis workflows to provide comprehensive insights into protein function and interactions:
Co-immunoprecipitation studies:
Use At3g05170 Antibody to pull down the target protein and associated complexes
Analyze precipitated proteins by mass spectrometry to identify interaction partners
Verify interactions using reciprocal co-IP with antibodies against putative partners
Chromatin immunoprecipitation (if At3g05170 has DNA-binding functions):
Optimize chromatin fragmentation and IP conditions
Use At3g05170 Antibody to isolate protein-DNA complexes
Sequence precipitated DNA to identify binding sites
Multiplexed immunoassays:
Combine At3g05170 Antibody with antibodies against other proteins in the same pathway
Develop multiplex Western blotting using different visualization methods
Implement multiplex ELISA for simultaneous quantification of multiple proteins
These approaches parallel advanced antibody screening techniques that link genotype and phenotype, as described in antibody development research .
When faced with contradictory results using At3g05170 Antibody, researchers should implement this analytical framework:
Technical variability assessment:
Evaluate reproducibility across technical replicates
Consider batch effects from antibody lots or reagent preparations
Verify assay performance using appropriate controls
Biological variability analysis:
Assess natural variation in At3g05170 expression across growth conditions
Consider post-translational modifications that might affect antibody recognition
Evaluate developmental stage-specific expression patterns
Methodological differences:
Compare results across different detection methods (Western blot vs. ELISA)
Consider epitope accessibility in different sample preparation methods
Evaluate the impact of different buffers or reagents on antibody performance
Verification strategies:
Use alternative detection methods (RT-PCR for mRNA, mass spectrometry for protein)
Consider orthogonal antibodies recognizing different epitopes
Implement genetic approaches (knockout/knockdown) to validate findings