Target Protein: Os02g0599150 (UniProt: Q6K1U4), annotated as a probable protein phosphatase 2C 17 (OsPP2C17) involved in stress response and signal transduction .
Antibody Type: Rabbit-derived polyclonal IgG, produced using recombinant Os02g0599150 protein as the immunogen .
Reactivit: Specific to Oryza sativa subsp. japonica .
The target protein belongs to the protein phosphatase 2C (PP2C) family, which regulates stress responses, including abscisic acid signaling and drought tolerance in plants . PP2C enzymes are critical for dephosphorylating key signaling molecules, making this antibody a tool for studying rice adaptation mechanisms .
ELISA: Validated for qualitative detection of Os02g0599150 in rice lysates .
Western Blot: Identifies the ~80 kDa protein in rice tissues under specific conditions .
Limitations: No peer-reviewed studies explicitly using this antibody were identified in the search results, suggesting its application remains exploratory or under validation.
Cross-Reactivity: No cross-reactivity with non-rice species reported .
Validation: Requires in-house optimization for WB due to variable antigen expression levels .
Storage Stability: Maintain at -80°C for long-term preservation; avoid glycerol crystallization at -20°C .
Functional Studies: Investigate Os02g0599150’s role in abiotic stress responses using knockout rice models.
Comparative Analysis: Compare PP2C isoforms across monocot and dicot plants using this antibody.
Os02g0599150 refers to a gene in Oryza sativa subsp. japonica (rice), with the associated protein having the UniProt accession number Q6K1U4 . This antibody is specifically designed to detect the corresponding protein in rice research. Rice serves as a crucial model organism in plant molecular biology, and antibodies targeting specific rice proteins enable researchers to investigate protein expression, localization, and interactions in various experimental contexts.
The antibody against Os02g0599150 is particularly valuable for researchers focusing on Japanese rice subspecies biology. While detailed functional information about this specific protein is limited in the provided materials, the availability of a specific antibody suggests its importance in understanding rice biology and potentially agricultural applications.
The Os02g0599150 Antibody has been validated for the following applications:
Enzyme-Linked Immunosorbent Assay (ELISA): Validated for quantitative detection of the target protein in solution-phase samples .
Western Blotting (WB): Validated for detection of denatured protein in gel electrophoresis applications .
When planning experiments, researchers should note that each application requires specific optimization. For Western blotting, typical starting dilutions range from 1:500 to 1:2000, although optimal dilutions should be determined empirically for each experimental setup. Similarly, ELISA applications may require titration to determine optimal concentrations that balance signal strength with background.
For maximum stability and retention of immunoreactivity, the Os02g0599150 Antibody should be stored under the following conditions:
Avoid repeated freeze-thaw cycles, as these can significantly reduce antibody activity
The antibody is supplied in liquid form with a storage buffer containing:
For routine use, aliquoting the antibody into single-use volumes before freezing is recommended to minimize freeze-thaw cycles. When removing from storage, thaw quickly at room temperature and return unused portions to -20°C or -80°C immediately.
When using the Os02g0599150 Antibody in studies involving multiple rice species or subspecies, cross-reactivity assessment is essential for accurate data interpretation. This antibody is specifically raised against Oryza sativa subsp. japonica proteins , but could potentially recognize homologous proteins in related species.
Recommended cross-reactivity assessment protocol:
Sequence homology analysis: Compare the amino acid sequence of Os02g0599150 across rice species/subspecies using databases like UniProt
Western blot validation: Run parallel samples from different rice species and assess binding patterns
Peptide competition assay: Pre-incubate the antibody with purified Os02g0599150 peptide before application to samples from different species - specific binding should be blocked
Negative controls: Include samples from distant plant species that lack close Os02g0599150 homologs
Validation with knockout/knockdown samples: If available, use samples where Os02g0599150 expression has been genetically modified as specificity controls
Cross-reactivity data should be systematically documented and reported when publishing research using this antibody across multiple rice species.
The Os02g0599150 Antibody is a polyclonal antibody purified using antigen affinity methods . This polyclonal nature has several important implications for experimental design:
Advantages:
Recognition of multiple epitopes on the target protein increases detection sensitivity
Greater tolerance to minor protein denaturation or modifications
Often more robust across different applications than monoclonal antibodies
Considerations for experimental design:
Batch-to-batch variability may be higher than with monoclonal antibodies
May detect related proteins with similar epitopes
Signal-to-noise ratio may vary between experimental replicates
Recommended approaches:
Always include positive and negative controls in each experiment
When comparing data between studies, use the same antibody lot when possible
For quantitative studies, validate linearity of detection across a range of target concentrations
Consider using epitope-tagged versions of the target protein in parallel to validate detection specificity
The polyclonal nature also means that depletion of specific epitope-recognizing antibodies during storage is less likely to eliminate all detection capability, potentially extending useful shelf life.
Proper experimental controls are critical for generating reliable and interpretable data with the Os02g0599150 Antibody. The following controls should be included:
Essential positive controls:
Recombinant Os02g0599150 protein (if available)
Rice samples known to express Os02g0599150 (e.g., specific tissues or developmental stages)
Epitope-tagged Os02g0599150 expressed in a heterologous system
Essential negative controls:
Primary antibody omission (to assess secondary antibody non-specific binding)
Non-immune rabbit IgG at the same concentration (to assess non-specific binding)
If available, samples from Os02g0599150 knockout/knockdown plants
Pre-immune serum control
Procedural controls:
Loading controls for Western blots (housekeeping proteins)
Staining controls for microscopy (nuclear stains, cytoskeletal markers)
Blocking peptide competition assay (pre-incubation with the immunogen)
| Control Type | Western Blot | ELISA | Immunohistochemistry |
|---|---|---|---|
| Positive sample | ✓ | ✓ | ✓ |
| Negative sample | ✓ | ✓ | ✓ |
| Primary antibody omission | ✓ | ✓ | ✓ |
| Non-immune IgG | ✓ | ✓ | ✓ |
| Blocking peptide | ✓ | ✓ | ✓ |
| Loading control | ✓ | N/A | N/A |
| Tissue-specific marker | N/A | N/A | ✓ |
Systematic inclusion of these controls enables confident interpretation of results and facilitates troubleshooting when unexpected outcomes occur.
The following protocol is recommended for Western Blot applications with the Os02g0599150 Antibody, with specific considerations for rice tissue samples:
Sample preparation:
Extract total protein from rice tissues using a buffer containing:
50 mM Tris-HCl (pH 7.5)
150 mM NaCl
1% Triton X-100
0.5% sodium deoxycholate
Protease inhibitor cocktail
Homogenize tissue thoroughly and centrifuge at 12,000 × g for 15 minutes at 4°C
Collect supernatant and determine protein concentration using Bradford or BCA assay
Prepare samples in Laemmli buffer with DTT or β-mercaptoethanol and heat at 95°C for 5 minutes
Gel electrophoresis and transfer:
Load 20-50 μg protein per lane on 10-12% SDS-PAGE gel
Include molecular weight markers
Transfer to PVDF or nitrocellulose membrane (0.45 μm pore size recommended)
Confirm transfer efficiency with reversible protein stain (Ponceau S)
Immunodetection:
Block membrane with 5% non-fat dry milk in TBST for 1 hour at room temperature
Incubate with Os02g0599150 Antibody at 1:1000 dilution in blocking buffer overnight at 4°C
Wash 3× with TBST, 5 minutes each
Incubate with HRP-conjugated anti-rabbit secondary antibody (1:5000) for 1 hour at room temperature
Wash 3× with TBST, 5 minutes each
Develop using ECL substrate and detect signal
Optimization notes:
The antibody is supplied in 50% glycerol buffer , which should be accounted for when calculating dilutions
If background is high, increase washing steps or reduce primary antibody concentration
For low abundance proteins, consider using signal enhancement systems or longer exposure times
The expected molecular weight of the target protein should be confirmed in rice-specific protein databases, as this information is not explicitly provided in the antibody documentation.
The Os02g0599150 Antibody has been validated for ELISA applications . The following optimization strategy is recommended:
Initial protocol:
Coat high-binding ELISA plates with capture antibody or sample
Block with 1-5% BSA in PBS
Add Os02g0599150 Antibody at a range of dilutions (1:500, 1:1000, 1:2000, 1:5000)
Detect with appropriate anti-rabbit HRP-conjugated secondary antibody
Develop with TMB substrate and read absorbance at 450 nm
Key optimization parameters:
Antibody titration: Determine the optimal concentration by testing serial dilutions against known positive and negative samples. Create a titration curve to identify the dilution that provides maximum signal-to-noise ratio.
Sample preparation: For plant tissues, consider the following extraction buffer:
50 mM Tris-HCl (pH 8.0)
150 mM NaCl
0.5% Triton X-100
1 mM EDTA
Protease inhibitor cocktail
Blocking optimization: Test multiple blocking agents:
1-5% BSA in PBS
5% non-fat dry milk in PBS
Commercial blocking reagents
Signal enhancement strategies:
Avidin-biotin amplification systems
Polymer-based detection systems
Extended substrate development times
| Issue | Possible Cause | Solution |
|---|---|---|
| Low signal | Insufficient antibody | Increase antibody concentration |
| Target protein denaturation | Modify extraction buffer | |
| Inefficient coating | Try different coating buffer | |
| High background | Insufficient blocking | Increase blocking time/concentration |
| Non-specific antibody binding | Increase antibody dilution | |
| Cross-reactivity | Add competitive inhibitors | |
| Poor reproducibility | Inconsistent washing | Standardize washing protocol |
| Temperature variations | Control incubation temperature | |
| Reagent degradation | Prepare fresh working solutions |
Systematic optimization using this approach will yield a robust ELISA protocol for the specific detection of Os02g0599150 in rice samples.
Non-specific binding is a common challenge when working with antibodies in plant tissues due to complex matrices and potential cross-reactivity. The following approaches can minimize non-specific binding with the Os02g0599150 Antibody:
Pre-adsorption strategies:
Pre-incubate the antibody with proteins from a negative control sample
Use plant-specific blocking reagents containing non-specific plant proteins
Include competitive inhibitors of known cross-reactive epitopes
Buffer optimization:
Increase detergent concentration (0.1-0.3% Tween-20) in wash buffers
Add 0.1-0.5 M NaCl to reduce ionic interactions
Adjust pH to optimize specific binding while minimizing non-specific interactions
Include 1-5% carrier proteins (BSA, non-fat milk) in antibody diluent
Sample preparation refinements:
Additional pre-clearing steps with protein A/G beads
Pre-extraction of phenolic compounds with polyvinylpolypyrrolidone (PVPP)
Depletion of abundant proteins that may cause interference
Signal-to-noise optimization:
Titrate primary and secondary antibody concentrations
Reduce incubation times or temperatures
Increase washing stringency and duration
Use more specific detection systems
For Western blot applications specifically, cutting the membrane to minimize exposure to non-target regions and using smaller antibody volumes in sealed pouches can further reduce background.
Proper normalization is critical for accurate interpretation of quantitative data obtained using the Os02g0599150 Antibody. The following normalization approaches are recommended:
For Western blot analysis:
Loading control normalization: Express the target protein signal relative to housekeeping proteins such as:
Actin (ideal working range: 42 kDa)
GAPDH (ideal working range: 37 kDa)
Tubulin (ideal working range: 55 kDa)
Plant-specific controls like RuBisCO large subunit
Total protein normalization: Use total protein stains like:
Ponceau S
SYPRO Ruby
Stain-free gel technology
For ELISA quantification:
Standard curve approach: Generate a standard curve using recombinant protein if available
Reference sample normalization: Include a common reference sample across all plates
Parallel housekeeping protein measurement
Data transformation and statistical considerations:
Log-transform data if signal intensities span multiple orders of magnitude
Use relative quantification (fold change) rather than absolute values when comparing between experiments
Apply appropriate statistical tests based on data distribution:
Parametric tests (t-test, ANOVA) for normally distributed data
Non-parametric alternatives (Mann-Whitney, Kruskal-Wallis) for non-normal distributions
| Application | Primary Normalization | Alternative Normalization | Statistical Approach |
|---|---|---|---|
| Western Blot | Housekeeping protein | Total protein stain | Fold change relative to control |
| ELISA | Standard curve | Reference sample | Absolute or relative quantification |
| Immunohistochemistry | Area normalization | Reference structure | Semi-quantitative scoring |
When publishing results, clearly describe normalization methods, including rationale for the selected approach and validation of housekeeping gene stability across experimental conditions.
Detecting low-abundance proteins like Os02g0599150 in complex plant samples presents significant challenges. The following approaches can help distinguish genuine signal from background:
Statistical approaches:
Signal-to-noise ratio (SNR) calculation:
Generally, SNR > 3 is considered detectable, while SNR > 10 provides confident quantification.
Background subtraction methods:
Local background subtraction
Rolling ball algorithm for irregular backgrounds
Negative control subtraction
Experimental validation approaches:
Antibody dilution series: True signal should decrease proportionally with antibody dilution
Antigen competition: Pre-incubation with immunizing peptide should specifically reduce true signal
Correlation with orthogonal methods: Verify protein expression using:
RT-qPCR for mRNA expression
Mass spectrometry
Alternative antibodies targeting different epitopes
Enhanced detection strategies:
Signal amplification:
Tyramide signal amplification (TSA)
Polymer-based detection systems
Quantum dot conjugates
Sample enrichment:
Immunoprecipitation before detection
Subcellular fractionation
Depletion of high-abundance proteins
When working with low-abundance proteins, implementing biological and technical replicates is essential to distinguish random variation from true signal. Statistical power calculations should guide experimental design to ensure sufficient sample size for detecting biologically meaningful differences.
Comprehensive reporting of antibody-based experiments is essential for research reproducibility. When publishing results obtained using the Os02g0599150 Antibody, include the following information:
Antibody documentation:
Complete antibody identification (Product code: CSB-PA760841XA01OFG)
Manufacturer and lot number
Immunogen (Recombinant Oryza sativa subsp. japonica Os02g0599150 protein)
Validation evidence:
Description of positive and negative controls
Cross-reactivity testing results
Supporting data from complementary methods
Antibody validation experiments performed
Detailed methodology:
Sample preparation protocols (extraction buffers, etc.)
Antibody dilutions and incubation conditions
Detection methods and reagents
Image acquisition parameters
Data analysis transparency:
Normalization methods
Quantification approaches
Statistical tests and justification
Software used for analysis
Raw data availability:
Unprocessed blot/ELISA images
Quantification datasets
Detailed protocols in supplementary materials
Following the guidelines from the International Working Group for Antibody Validation (IWGAV) can further enhance reporting quality. Publishers increasingly require specific antibody reporting information, and anticipating these requirements improves both the review process and research impact.
The Os02g0599150 Antibody can be integrated with complementary molecular techniques to provide comprehensive insights into protein function in rice. Consider the following integration strategies:
Multi-omics integration approaches:
Proteomics-transcriptomics correlation:
Compare protein detection using the antibody with mRNA expression profiles
Identify post-transcriptional regulation mechanisms
Map protein expression in the context of gene co-expression networks
Chromatin immunoprecipitation (ChIP) applications:
If Os02g0599150 has DNA-binding properties or functions in chromatin regulation
Requires protocol optimization for plant chromatin
Can be combined with sequencing (ChIP-seq) for genome-wide binding profiles
Protein interaction studies:
Co-immunoprecipitation (Co-IP) to identify interaction partners
Proximity ligation assay (PLA) for in situ interaction detection
Pull-down assays followed by mass spectrometry
Functional genomics integration:
Correlation of protein expression with phenotypes in mutant/transgenic lines
Protein detection in CRISPR-edited lines
Expression analysis in response to environmental stressors
By systematically integrating these approaches, researchers can build a comprehensive understanding of Os02g0599150 function in rice biology, potentially revealing novel aspects of plant physiology and stress responses relevant to agricultural applications.
When studying protein expression across rice developmental stages, several critical factors must be considered:
Developmental expression dynamics:
Tissue-specific expression patterns may vary significantly throughout development
Protein post-translational modifications may change developmentally
Subcellular localization might shift between developmental stages
Experimental design recommendations:
Include comprehensive developmental time series:
Seed germination stages
Vegetative growth phases
Reproductive transition points
Grain filling and maturation
Consider diurnal and circadian regulation:
Sample at consistent times of day
Account for photoperiod effects
Document growth conditions precisely
Tissue-specific sampling strategies:
Microdissection techniques for precise tissue isolation
Single-cell approaches for high-resolution analysis
Whole-tissue to isolated organelle comparisons
Technical adaptations:
Extraction buffer optimization for different tissues:
Higher detergent concentrations for waxy tissues
Reducing agent adjustments for tissues with high phenolic content
Protease inhibitor customization based on tissue proteolytic activity
Sample normalization challenges:
Standard housekeeping genes may vary across development
Consider multiple reference proteins or total protein normalization
Validate normalization strategy across developmental series
Developmental studies using this antibody should incorporate biological replicates from multiple growth cycles to distinguish true developmental patterns from environmental influences.
Antibody lot-to-lot variation can significantly impact experimental reproducibility. The following quality control procedures are recommended when receiving a new lot of Os02g0599150 Antibody:
Initial characterization:
Visual inspection:
Check for precipitates, turbidity, or discoloration
Ensure proper labeling and documentation
Functional validation:
Side-by-side comparison with previous lot using identical samples
Titration series to determine optimal working concentration
Sensitivity assessment with dilution series of positive control
Performance metrics to evaluate:
Signal intensity: Compare signal strength at equivalent dilutions
Signal-to-noise ratio: Assess background relative to specific signal
Detection threshold: Determine minimum detectable protein amount
Specificity: Confirm band pattern/target recognition matches previous lots
Documentation recommendations:
Create a lot-specific validation report including:
Representative images from validation experiments
Optimal working dilutions for each application
Quantitative comparison to previous lot performance
Observed deviations and recommended protocol adjustments
| Performance Metric | Previous Lot | New Lot | Acceptance Criteria |
|---|---|---|---|
| Western Blot Sensitivity | [baseline] | [measured] | Within 20% of baseline |
| Background Signal | [baseline] | [measured] | ≤ 1.5× baseline |
| Optimal Dilution | [baseline] | [measured] | Within 1-2 dilution steps |
| Cross-reactivity | [baseline] | [measured] | No new bands |
Implementing standardized quality control procedures ensures experimental continuity and facilitates troubleshooting when unexpected results occur.
Maintaining experimental reproducibility across extended research projects involving Os02g0599150 Antibody requires systematic approaches:
Antibody management strategies:
Master stock creation:
Upon receiving a new lot, create small single-use aliquots
Store master stock at -80°C
Maintain detailed inventory with freezer locations
Working stock handling:
Use fresh aliquots for critical experiments
Track freeze-thaw cycles for each aliquot
Store working dilutions according to stability testing results
Protocol standardization:
Develop detailed standard operating procedures (SOPs) for:
Sample preparation
Antibody handling
Detection protocols
Data analysis workflows
Create validation panels:
Prepare and store standard positive/negative control samples
Generate reference blots/ELISA results for comparison
Establish acceptance criteria for each experimental parameter
Documentation practices:
Maintain an experimental logbook including:
Antibody lot numbers and dilutions
Buffer preparation details
Equipment settings
Environmental factors (temperature, humidity)
Observed deviations and troubleshooting steps
Implement version control for protocols:
Date all protocol versions
Document modifications with justification
Cross-reference protocol versions in publications
Long-term monitoring:
Periodically test antibody performance against reference standards
Revalidate after significant storage time
Maintain communication with manufacturer regarding lot changes
By implementing these strategies, researchers can minimize experimental variability and maximize the reproducibility and reliability of results generated using the Os02g0599150 Antibody over extended research timelines.