At4g19890 Antibody

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Product Specs

Buffer
Preservative: 0.03% Proclin 300
Composition: 50% Glycerol, 0.01M PBS, pH 7.4
Form
Liquid
Lead Time
Made-to-order (14-16 weeks)
Synonyms
At4g19890 antibody; F18F4.6 antibody; Pentatricopeptide repeat-containing protein At4g19890 antibody
Target Names
At4g19890
Uniprot No.

Q&A

What is the At4g19890 protein in Arabidopsis thaliana and what cellular functions does it perform?

At4g19890 (UniProt accession: P0C8Q3) is a protein found in Arabidopsis thaliana (Mouse-ear cress), a model organism widely used in plant molecular biology. This protein is encoded by the At4g19890 gene located on chromosome 4. While the specific functions of this protein are not comprehensively detailed in the provided resources, most Arabidopsis proteins designated with the "At" prefix followed by chromosomal location are involved in various cellular processes including signal transduction, metabolic pathways, or development regulation. Researchers typically use antibodies against these proteins to understand their localization, expression patterns, and interactions within plant cellular networks .

What detection methods are most effective when using At4g19890 Antibody in plant tissue samples?

For optimal detection using At4g19890 Antibody (CSB-PA315422XA01DOA) in plant tissue samples, immunohistochemistry (IHC), Western blotting, ELISA, and immunofluorescence are commonly employed techniques. Western blotting typically requires sample optimization with 20-50 μg of total protein per lane. For immunohistochemistry applications, tissue fixation with 4% paraformaldehyde followed by antigen retrieval is recommended. The antibody generally performs best at dilutions between 1:500 to 1:2000 for Western blotting and 1:100 to 1:500 for IHC, though optimal concentrations should be determined experimentally for each application. PBS with 0.1% Tween-20 and 5% non-fat milk is recommended as a blocking solution to minimize background signals when working with plant tissue samples .

How should At4g19890 Antibody be stored and handled to maintain optimal reactivity?

At4g19890 Antibody (CSB-PA315422XA01DOA) requires specific storage and handling protocols to maintain its functionality. The antibody is available in two size formats (2ml/0.1ml) and should be stored at -20°C for long-term stability. Avoid repeated freeze-thaw cycles by aliquoting the antibody upon first thaw. For working solutions, store at 4°C for up to one month. The antibody remains stable for at least 12 months when properly stored. Prior to use, centrifuge the vial briefly to collect solution at the bottom. For dilutions, use sterile buffers such as PBS with carrier proteins (0.1% BSA) to prevent adsorption to tube walls. Contamination with microorganisms should be strictly avoided as this can significantly reduce antibody activity .

What controls should be included when performing experiments with At4g19890 Antibody?

When designing experiments with At4g19890 Antibody, multiple controls should be incorporated to ensure valid interpretation of results. Essential controls include:

  • Positive control: Arabidopsis thaliana tissue samples known to express the At4g19890 protein

  • Negative control: Samples from knockout lines where At4g19890 gene expression is disrupted

  • Secondary antibody control: Primary antibody omitted to assess non-specific binding of secondary antibody

  • Isotype control: Irrelevant antibody of the same isotype to evaluate non-specific binding

  • Blocking peptide control: Co-incubation with the immunizing peptide to confirm specificity

These controls help distinguish between specific signal and background noise, particularly important when working with plant tissues that may contain compounds interfering with antibody-antigen interactions .

How can epitope mapping be performed to validate At4g19890 Antibody specificity in cross-reactivity studies?

Epitope mapping for At4g19890 Antibody validation requires a systematic approach to confirm specificity and identify potential cross-reactivity with related proteins. A recommended protocol involves:

  • Peptide array analysis: Generate overlapping peptides (15-20 amino acids) spanning the full At4g19890 protein sequence (UniProt P0C8Q3)

  • Alanine scanning: Create peptide variants with single amino acid substitutions to identify critical binding residues

  • Competition assays: Pre-incubate antibody with purified peptides prior to immunoassays

  • Mass spectrometry validation: Use immunoprecipitation followed by MS to confirm target capture

  • Bioinformatic analysis: Compare epitope sequences with other Arabidopsis proteins to predict potential cross-reactivity

This approach is particularly important for plant antibodies where homologous proteins from related gene families may share structural similarities. Researchers should document cross-reactivity with other proteins to properly interpret experimental results, especially when studying protein families with high sequence conservation .

What are the optimal subcellular fractionation techniques to study At4g19890 protein localization using the antibody?

For precise subcellular localization studies of the At4g19890 protein, optimized fractionation protocols should be employed:

FractionExtraction BufferCentrifugation ParametersExpected Markers
Cytosolic50mM HEPES (pH 7.5), 250mM sucrose, 5mM MgCl₂10,000g, 15 minGAPDH, aldolase
NuclearPrevious pellet + 0.1% Triton X-100, DNase I16,000g, 20 minHistone H3
MembranePrevious supernatant + 1M NaCl100,000g, 1 hourPM H⁺-ATPase
Chloroplast330mM sorbitol, 50mM HEPES (pH 7.3)Percoll gradientLHCII, RuBisCO

After fractionation, Western blot analysis using the At4g19890 Antibody (1:1000 dilution) should be performed on each fraction alongside fraction-specific marker antibodies. Immunofluorescence microscopy provides complementary data, using 3-4μm sections of fixed tissue and the antibody at 1:200 dilution. For definitive localization, co-localization studies with established organelle markers are essential to confirm subcellular distribution patterns .

How should researchers troubleshoot weak or inconsistent signals when using At4g19890 Antibody in immunoprecipitation experiments?

When encountering weak or inconsistent signals in immunoprecipitation (IP) experiments with At4g19890 Antibody, a systematic troubleshooting approach is recommended:

  • Antibody binding optimization:

    • Increase antibody concentration (try 2-5 μg per 500 μg of total protein)

    • Extend incubation time to overnight at 4°C with gentle rotation

    • Test cross-linking with DSS or BS3 to stabilize antibody-bead complexes

  • Lysis buffer optimization:

    • Use plant-specific IP buffer (50mM Tris-HCl pH 7.5, 150mM NaCl, 1% NP-40, 0.5% sodium deoxycholate)

    • Add protease inhibitors freshly before each experiment

    • Include phosphatase inhibitors if phosphorylation status is important

  • Target protein considerations:

    • Verify expression levels with direct Western blot of input sample

    • Consider protein-specific extraction conditions (salt concentration, detergent type)

    • Test native versus denaturing conditions based on protein structure

  • Technical refinements:

    • Pre-clear lysates thoroughly (2 hours with Protein A/G beads)

    • Increase wash stringency gradually while monitoring signal

    • Elute with gentle conditions (glycine buffer pH 2.8) followed by immediate neutralization

Careful documentation of each modification is essential for developing an optimized protocol specific to the At4g19890 protein in Arabidopsis tissues .

What approaches can be used to quantify At4g19890 protein expression across different developmental stages or stress conditions?

For rigorous quantification of At4g19890 protein expression dynamics, multiple complementary approaches should be employed:

  • Quantitative Western blotting:

    • Use internal loading controls (actin or GAPDH) for normalization

    • Include recombinant protein standards for absolute quantification

    • Employ fluorescence-based detection systems (e.g., IRDye secondary antibodies)

    • Analyze with densitometry software ensuring signal is within linear range

  • ELISA-based quantification:

    • Develop sandwich ELISA using capture and detection antibodies

    • Generate standard curves with recombinant At4g19890 protein

    • Process all developmental stage samples simultaneously

    • Calculate coefficient of variation between technical replicates (<15%)

  • Image-based quantification:

    • Use confocal microscopy with consistent acquisition parameters

    • Employ automated image analysis for cell-specific quantification

    • Include fluorescence intensity standards in each experiment

    • Analyze 10-15 independent biological replicates per condition

For stress response studies, consistent stress application protocols and sampling times are critical. Protein extraction buffers may require optimization depending on tissue type (e.g., higher detergent concentrations for stress-modified tissues). Statistical analysis should include ANOVA with appropriate post-hoc tests when comparing multiple conditions .

How can researchers validate At4g19890 Antibody specificity in knockout or CRISPR-edited Arabidopsis lines?

Validation of At4g19890 Antibody specificity using genetic knockout lines requires a comprehensive approach:

  • Generate genetic controls:

    • T-DNA insertion lines targeting At4g19890 (check ABRC or NASC seed banks)

    • CRISPR/Cas9-mediated knockout lines with verified frameshift mutations

    • RNAi knockdown lines with confirmed reduction in transcript levels

  • Molecular verification:

    • Confirm gene disruption via PCR genotyping and sequencing

    • Verify transcript absence/reduction through RT-qPCR

    • Assess potential compensatory expression of related genes

  • Antibody validation protocol:

    • Perform Western blotting on wild-type vs. knockout tissue samples

    • Include recombinant At4g19890 protein as positive control

    • Test multiple tissue types to account for expression differences

    • Document absence of specific band in knockout samples

  • Quantitative assessment:

    • Compare signal intensities across multiple biological replicates

    • Calculate signal-to-noise ratio in wild-type vs. knockout samples

    • Document any non-specific bands that persist in knockout lines

Proper validation should demonstrate clear absence of the target band in knockout lines while preserving any non-specific signals, providing a definitive control for distinguishing specific from non-specific antibody interactions in experimental applications .

What techniques can be combined with At4g19890 Antibody to study protein-protein interactions in planta?

Multiple complementary techniques can be employed with At4g19890 Antibody to comprehensively investigate protein-protein interactions:

TechniqueApplicationAdvantagesLimitations
Co-immunoprecipitationPull-down of protein complexesDetects native interactionsMay miss transient interactions
Proximity Ligation AssayIn situ interaction detectionSingle-molecule sensitivityRequires two antibodies
BiFC (split YFP)Visualization of interactionsDirect visualizationPotential for false positives
FRET/FLIMDynamic interaction analysisReal-time measurementsComplex instrumentation
Cross-linking MSInteraction interface mappingIdentifies binding domainsTechnically challenging

For co-immunoprecipitation, use 5μg of At4g19890 Antibody with 1mg total protein extract and mild detergent conditions (0.5% NP-40). When coupled with mass spectrometry, this approach can identify novel interaction partners. For proximity ligation assays, combine At4g19890 Antibody with antibodies against suspected interaction partners at 1:100 dilution. Confocal microscopy visualization should include z-stack acquisition to capture the three-dimensional distribution of interaction signals throughout plant tissues .

What statistical approaches are recommended when analyzing quantitative data generated using At4g19890 Antibody?

When analyzing quantitative data from At4g19890 Antibody experiments, robust statistical approaches should be implemented:

  • Experimental design considerations:

    • Perform power analysis to determine adequate sample size

    • Include at least 3-5 biological replicates per condition

    • Use randomization and blinding where possible

    • Include appropriate positive and negative controls

  • Data preprocessing:

    • Test for normality using Shapiro-Wilk or Kolmogorov-Smirnov tests

    • Check for homogeneity of variance with Levene's test

    • Apply appropriate transformations if assumptions are violated

    • Remove outliers only with statistical justification

  • Statistical tests for different experimental designs:

    • Two conditions: Student's t-test or Mann-Whitney U test

    • Multiple conditions: One-way ANOVA with Tukey or Bonferroni post-hoc

    • Time course studies: Repeated measures ANOVA or mixed-effects models

    • Correlation analyses: Pearson's or Spearman's correlation coefficients

  • Advanced analytics:

    • Principal component analysis for multivariate data

    • Hierarchical clustering for expression pattern identification

    • False discovery rate correction for multiple comparisons

    • Bayesian approaches for complex experimental designs

How should mass spectrometry data be analyzed when At4g19890 Antibody is used for immunoprecipitation-mass spectrometry (IP-MS)?

Analysis of IP-MS data generated using At4g19890 Antibody requires a sophisticated bioinformatic pipeline:

  • Raw data processing:

    • Peak detection and alignment across samples

    • MS/MS spectrum matching against Arabidopsis proteome database

    • False discovery rate control (typically <1% at protein level)

    • Label-free quantification of identified proteins

  • Specificity filtering:

    • Compare against IgG control or pre-immune serum pulldown

    • Apply fold-change threshold (typically >3-fold enrichment)

    • Calculate SAINT scores to estimate interaction probability

    • Filter against CRAPome database to remove common contaminants

  • Network construction and analysis:

    • Integrate with existing protein interaction databases

    • Apply Markov clustering to identify protein complexes

    • Calculate network parameters (centrality, betweenness)

    • Visualize using platforms like Cytoscape with GO term enrichment

  • Validation strategy:

    • Select top candidates for reciprocal co-IP validation

    • Confirm key interactions using orthogonal methods (Y2H, BiFC)

    • Correlate interaction patterns with co-expression data

    • Map interaction domains through truncation/mutation studies

For the At4g19890 protein specifically, researchers should pay particular attention to plant-specific modifications that may affect peptide identification. Include appropriate database parameters for post-translational modifications relevant to plant biology, such as phosphorylation, glycosylation, and ubiquitination .

How can At4g19890 Antibody be adapted for use in CLEM (Correlative Light and Electron Microscopy) studies?

Adapting At4g19890 Antibody for CLEM studies requires specialized protocols to preserve both fluorescence signal and ultrastructural details:

  • Sample preparation optimization:

    • Use high-pressure freezing followed by freeze substitution

    • Embed in acrylic resins (LR White or Lowicryl HM20)

    • Prepare ultrathin sections (70-100 nm) on finder grids

    • Perform mild antigen retrieval if necessary

  • Immunolabeling protocol:

    • Block with 1% BSA, 0.1% fish gelatin in PBS for 30 minutes

    • Apply At4g19890 Antibody at 1:50 dilution (higher than for routine IF)

    • Incubate overnight at 4°C in humid chamber

    • Use gold-conjugated secondary antibodies (6nm or 10nm particles)

    • Post-fix with 2% glutaraldehyde after immunolabeling

  • Fiducial marker application:

    • Apply fluorescent/gold dual-labeled fiducial markers

    • Image samples first by confocal microscopy

    • Transfer to electron microscope with minimal sample manipulation

    • Capture EM images at multiple magnifications

  • Data integration:

    • Use specialized CLEM software for image registration

    • Confirm protein localization at ultrastructural level

    • Quantify gold particle distribution relative to subcellular compartments

    • Generate 3D reconstructions from serial sections if necessary

This approach allows precise localization of At4g19890 protein within the context of plant cell ultrastructure, providing insights into its functional associations with specific organelles or membrane domains at nanometer resolution .

What considerations should be made when using At4g19890 Antibody for chromatin immunoprecipitation (ChIP) experiments?

When adapting At4g19890 Antibody for ChIP applications to study DNA-protein interactions:

  • ChIP protocol adaptations:

    • Optimize crosslinking (1-3% formaldehyde for 10-15 minutes)

    • Sonicate chromatin to 200-500bp fragments

    • Use 5-10μg antibody per ChIP reaction

    • Include IgG control and input samples

    • Perform stringent washing to reduce background

  • Validation requirements:

    • Confirm antibody specificity for the crosslinked protein

    • Test antibody lot on Western blot of crosslinked samples

    • Perform ChIP-qPCR with known targets before sequencing

    • Include ChIP from knockout lines as negative control

  • Data analysis considerations:

    • Use appropriate peak calling algorithms (MACS2, SEACR)

    • Apply IDR (Irreproducible Discovery Rate) for replicate analysis

    • Perform motif enrichment analysis of binding regions

    • Integrate with transcriptome data to associate binding with function

  • Biological interpretation:

    • Map binding sites to genomic features (promoters, enhancers)

    • Identify co-occurring transcription factors

    • Analyze conservation of binding sites across related species

    • Correlate binding patterns with expression changes during development or stress

If At4g19890 protein has not previously been characterized as a DNA-binding protein, researchers should first confirm its nuclear localization and potential DNA-binding capacity through bioinformatic prediction and cellular fractionation studies .

How can researchers develop quantitative super-resolution microscopy approaches using At4g19890 Antibody?

Implementing super-resolution microscopy with At4g19890 Antibody requires specialized protocols:

  • Sample preparation for different super-resolution techniques:

    • STED: Use bright, photostable fluorophores (Atto647N, Abberior Star)

    • STORM/PALM: Employ photoswitchable dyes (Alexa647, mEos)

    • SIM: Standard fluorophores work but brightness is crucial

    • Optimize sample thickness (≤10μm for best results)

  • Antibody modifications:

    • Use directly labeled primary antibody when possible

    • For secondary antibody approach, use F(ab) fragments to reduce distance

    • Titrate antibody concentration to achieve optimal labeling density

    • For STORM, aim for approximately one fluorophore per 50-100nm²

  • Imaging parameters:

    • STED: 30-50% depletion laser power, pixel size ~20nm

    • STORM: 10,000-30,000 frames, 10-30ms exposure time

    • SIM: 15 raw images per reconstructed frame (5 phases, 3 angles)

    • Include fiducial markers for drift correction

  • Quantitative analysis:

    • Measure cluster sizes, distances, and densities

    • Apply ripley's K-function or DBSCAN for cluster analysis

    • Use molecular counting approaches through calibrated detection

    • Compare distributions statistically between conditions

This approach can reveal nanoscale organization of At4g19890 protein that is invisible to conventional microscopy, particularly important if the protein functions within multiprotein complexes or specific membrane domains. Calculate localization precision (typically 10-30nm) and resolution (50-150nm depending on technique) for proper interpretation of biological significance .

What are the considerations for using At4g19890 Antibody in multiplexed immunofluorescence with other antibodies?

Developing multiplexed immunofluorescence protocols with At4g19890 Antibody requires careful planning:

  • Antibody compatibility assessment:

    • Confirm species origin of each primary antibody

    • Verify lack of cross-reactivity between secondaries

    • Test each antibody individually before multiplexing

    • Validate staining patterns match single-antibody controls

  • Sequential staining protocol:

    • Start with lowest-abundance target protein (often At4g19890)

    • Apply first primary antibody at 1:100 dilution (16h, 4°C)

    • Detect with species-specific secondary antibody

    • Apply blocking step between rounds (normal serum matching next primary)

    • Repeat for each additional target protein

  • Spectral considerations:

    • Use fluorophores with minimal spectral overlap

    • Apply linear unmixing if bleed-through occurs

    • Include single-fluorophore controls for accurate unmixing

    • Consider brightness matching for balanced visualization

  • Advanced multiplexing techniques:

    • Tyramide signal amplification for weak signals

    • Antibody stripping and reprobing (validate epitope preservation)

    • DNA-barcoded antibodies for highly multiplexed imaging

    • Cyclic immunofluorescence for 10+ targets on same section

For plant tissues specifically, address autofluorescence by including unstained controls and applying appropriate quenching methods (0.1% Sudan Black B or 10mM CuSO₄). Document co-localization quantitatively using Pearson's or Manders' coefficients rather than relying solely on visual assessment .

How should researchers interpret conflicting data between At4g19890 protein levels detected by the antibody versus transcript levels?

When confronted with discrepancies between At4g19890 protein levels (detected via antibody) and mRNA levels (measured by RT-qPCR or RNA-seq), systematic analysis is required:

  • Analytical validation:

    • Confirm antibody specificity through knockout controls

    • Verify primer specificity for transcript analysis

    • Assess dynamic range and linearity of both detection methods

    • Check for isoform-specific detection differences

  • Biological mechanisms to consider:

    • Post-transcriptional regulation (miRNA targeting, RNA stability)

    • Translational efficiency differences across conditions

    • Post-translational regulation affecting protein stability

    • Protein localization changes affecting extraction efficiency

  • Temporal considerations:

    • Implement time-course studies to detect temporal shifts

    • Consider time lag between transcription and translation

    • Measure both parameters in the same samples when possible

    • Calculate protein-to-mRNA ratios across conditions

  • Integrative analysis:

    • Correlate with proteomic data if available

    • Examine other proteins in same pathway for similar patterns

    • Consider systems-level feedback mechanisms

    • Develop mathematical models to explain the relationship

These discrepancies often reveal important regulatory mechanisms rather than methodological errors. Document these findings carefully as they may indicate novel regulatory pathways affecting At4g19890 expression in response to environmental conditions or developmental signals .

What methodological modifications should be considered when using At4g19890 Antibody in different plant species beyond Arabidopsis?

Adapting At4g19890 Antibody for cross-species applications requires careful consideration:

  • Cross-reactivity prediction:

    • Perform sequence alignment of At4g19890 orthologs

    • Focus on epitope region conservation

    • Calculate percent identity and similarity scores

    • Predict epitope accessibility in orthologous proteins

  • Protocol adaptations for different species:

    • Modify extraction buffers for species-specific compounds

    • Adjust detergent concentrations for different membrane compositions

    • Optimize fixation times based on tissue density differences

    • Increase antibody concentration for distant species (1.5-3x)

  • Validation strategy:

    • Western blot with recombinant proteins from target species

    • Peptide competition assays with species-specific peptides

    • Immunoprecipitation followed by mass spectrometry

    • Parallel testing of multiple antibody lots

  • Signal interpretation considerations:

    • Document band size differences due to species-specific modifications

    • Note subcellular localization differences that may occur

    • Consider expression level variations across species

    • Validate functional conservation of protein independently

For species with significant evolutionary distance from Arabidopsis, researchers may need to generate new antibodies against species-specific peptides if cross-reactivity is insufficient. Always include appropriate positive controls from Arabidopsis when comparing across species .

How can researchers distinguish between specific and non-specific signals when using At4g19890 Antibody in high-throughput assays?

Distinguishing signal specificity in high-throughput applications requires robust controls and analysis:

  • Assay-specific control strategy:

    • Protein microarrays: Include gradient of purified antigen

    • Tissue microarrays: Incorporate knockout/knockdown samples

    • Flow cytometry: Use isotype and secondary-only controls

    • ELISA: Develop standard curves with recombinant protein

  • Statistical approaches:

    • Calculate signal-to-noise ratio for each sample

    • Determine detection threshold using ROC curve analysis

    • Apply multiple hypothesis testing correction

    • Implement machine learning for pattern recognition

  • Validation pipeline:

    • Select representative samples for orthogonal validation

    • Confirm key findings with independent antibody preparations

    • Correlate with orthogonal measurements where possible

    • Verify dose-response relationships for quantitative assays

  • Data visualization strategies:

    • Plot technical replicates to assess variability

    • Use background-subtracted values for comparisons

    • Implement data normalization across batches

    • Visualize statistical significance alongside effect size

For Arabidopsis-specific applications, consider using CRISPR-edited mutant lines expressing At4g19890 protein with epitope tags as definitive controls. This enables clear discrimination between specific and non-specific signals even in challenging high-throughput formats where traditional controls may be limited .

What best practices should researchers follow when preparing manuscripts using data generated with At4g19890 Antibody?

When preparing manuscripts incorporating At4g19890 Antibody data, researchers should adhere to comprehensive reporting standards:

  • Materials documentation:

    • Report complete antibody information (supplier, catalog number, lot)

    • Document validation methods performed in your laboratory

    • Specify exact dilutions and incubation conditions

    • Describe all controls included in experiments

  • Method transparency:

    • Provide detailed immunoblotting/immunostaining protocols

    • Include representative full blot/gel images in supplements

    • Describe image acquisition settings comprehensively

    • Detail all image processing steps and software used

  • Data presentation standards:

    • Show representative images alongside quantification

    • Include scale bars on all microscopy images

    • Provide molecular weight markers on all blot images

    • Present biological replicates (n≥3) with appropriate statistics

  • Interpretation guidelines:

    • Acknowledge antibody limitations where relevant

    • Distinguish between correlation and causation

    • Discuss alternative explanations for observed patterns

    • Connect findings to broader biological context

Adhere to journal-specific guidelines for antibody reporting, such as those from the Journal of Cell Biology or Plant Cell. Consider depositing detailed protocols in repositories like protocols.io to enhance reproducibility. Address reviewer concerns about antibody specificity with additional controls rather than dismissing them as beyond the scope of the study .

What emerging technologies might enhance the utility of At4g19890 Antibody in future plant biology research?

Several cutting-edge technologies show promise for extending At4g19890 Antibody applications:

  • Advanced imaging technologies:

    • Expansion microscopy for improved subcellular resolution

    • Lattice light-sheet microscopy for dynamic protein tracking

    • Cryo-electron tomography for protein complex visualization

    • 4D imaging (3D + time) for developmental studies

  • Single-cell applications:

    • Antibody-based single-cell proteomics

    • CyTOF (mass cytometry) for multi-parameter analysis

    • Spatial transcriptomics combined with protein detection

    • Microfluidic approaches for single-cell signaling studies

  • Protein engineering approaches:

    • Nanobody development for improved penetration

    • Split-epitope complementation systems

    • Proximity-dependent labeling (BioID, APEX)

    • Optogenetic control of protein function

  • Computational integration:

    • Machine learning for automated image analysis

    • Integrative multi-omics data modeling

    • Virtual reality visualization of protein localization

    • Predictive modeling of protein dynamics

These technologies will enable increasingly sophisticated studies of At4g19890 protein biology, potentially revealing new functions and regulatory mechanisms. Researchers should consider establishing collaborations with technology development laboratories to implement these advanced approaches as they become available for plant systems .

How can researchers contribute to improving the quality and availability of antibodies against plant proteins like At4g19890?

The plant biology community can enhance antibody resources through collective efforts:

  • Validation initiatives:

    • Perform comprehensive cross-validation of commercial antibodies

    • Establish community databases documenting antibody performance

    • Develop standard operating procedures for validation

    • Share validation data in publications and repositories

  • Resource development:

    • Generate monoclonal antibodies against conserved epitopes

    • Develop recombinant antibody technologies for plants

    • Create epitope-tagged transgenic line collections

    • Establish plant-specific antibody production facilities

  • Quality control improvements:

    • Implement batch-to-batch validation procedures

    • Document antibody performance across multiple applications

    • Establish minimum reporting standards for publications

    • Create plant-specific antibody certification programs

  • Training and education:

    • Develop workshops on antibody validation techniques

    • Create online resources for troubleshooting

    • Establish mentor networks for methodology transfer

    • Incorporate antibody literacy in graduate education

By participating in these community efforts, researchers working with At4g19890 and other plant proteins can contribute to a more robust ecosystem of validated reagents. Consider partnering with antibody manufacturers to provide feedback on performance characteristics and suggest improvements for future production batches .

What computational resources and databases can support research using At4g19890 Antibody?

Researchers can leverage numerous computational tools to enhance At4g19890 Antibody research:

  • Sequence analysis resources:

    • UniProt (P0C8Q3) for protein annotation and conservation

    • TAIR for gene expression and interactome data

    • Phytozome for cross-species ortholog identification

    • BAR ePlant for integrated visualization of multiple datasets

  • Structural prediction tools:

    • AlphaFold for protein structure prediction

    • Epitope prediction algorithms (BepiPred, DiscoTope)

    • MolProbity for structure validation

    • PyMOL for visualization and epitope mapping

  • Experimental design support:

    • Primer3Plus for primer design for validation experiments

    • Benchling for CRISPR guide RNA design

    • CLC Main Workbench for restriction analysis

    • ImageJ with plant-specific plugins for image analysis

  • Data integration platforms:

    • Cytoscape for network visualization

    • R/Bioconductor for statistical analysis

    • Plant Reactome for pathway analysis

    • Bio-Analytic Resource for data mining

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