At1g65770 Antibody

Shipped with Ice Packs
In Stock

Description

Molecular Target and Biological Context

The At1g65770 protein (UniProt ID: Q9SHX9) is a 360-amino acid F-box protein implicated in regulating ascorbic acid (Asc) biosynthesis via the ubiquitination pathway . Homologs such as MdAMR1L1 in apple (Malus domestica) share functional similarities, where they interact with GDP-mannose pyrophosphorylase (GMP1) to modulate Asc levels .

Protein CharacteristicsDetails
Gene nameAt1g65770
Protein classF-box protein
Biological functionAscorbate biosynthesis regulation
HomologsMdAMR1L1 (apple), AtAMR1 (Arabidopsis)

Role in Ascorbate Biosynthesis

  • Interaction with GMP1: At1g65770 homologs (e.g., MdAMR1L1) bind GDP-mannose pyrophosphorylase (GMP1), promoting its ubiquitination and degradation, thereby reducing Asc levels .

  • Gene Silencing: Virus-induced silencing of MdAMR1L1 in apple increased Asc levels by 40–60%, confirming its regulatory role .

  • Overexpression Studies: Transgenic Arabidopsis overexpressing MdAMR1L1 showed reduced Asc levels despite unchanged transcription of biosynthesis genes, suggesting post-translational regulation .

Key Experimental Data

ParameterWild-TypeMdAMR1L1-OEMdAMR1L1-Silenced
Ascorbate levels (µg/g FW)120 ± 1565 ± 10180 ± 20
GMP1 protein abundance100%30%150%

Adapted from Sun et al. (2021) .

Applications in Plant Biology

  • Western Blotting: Detects endogenous At1g65770 in Arabidopsis extracts .

  • Functional Studies: Used to validate protein-protein interactions (e.g., MdAMR1L1-GMP1 binding via co-IP and BiFC) .

  • Metabolic Engineering: Guides efforts to enhance Asc content in crops by manipulating F-box protein activity .

Future Directions

  • Structural Studies: Resolving the F-box domain’s interaction with SKP1-like proteins.

  • Crop Improvement: Engineering At1g65770 homologs to boost stress tolerance via Asc modulation.

Product Specs

Buffer
Preservative: 0.03% Proclin 300
Composition: 50% Glycerol, 0.01M Phosphate Buffered Saline (PBS), pH 7.4
Form
Liquid
Lead Time
Made-to-order (14-16 weeks)
Synonyms
At1g65770 antibody; F1E22.13 antibody; Putative F-box protein At1g65770 antibody
Target Names
At1g65770
Uniprot No.

Q&A

What is the At1g65770 protein and why are antibodies against it important in research?

At1g65770 is a gene locus in Arabidopsis thaliana that encodes a protein involved in specific cellular pathways. Antibodies targeting this protein are essential tools for studying its expression, localization, and functional interactions. Similar to how anti-PEG antibodies can bind to specific repeating subunits , At1g65770 antibodies recognize unique epitopes on this protein, allowing researchers to track its presence in various experimental contexts. These antibodies enable scientists to investigate protein-protein interactions, subcellular localization, and expression levels under different experimental conditions.

What types of At1g65770 antibodies are currently available for research applications?

Research-grade At1g65770 antibodies are typically available in several formats:

  • Monoclonal antibodies: Offering high specificity to single epitopes, similar to the monoclonal antibodies described in the llama nanobody research for HIV targeting

  • Polyclonal antibodies: Recognizing multiple epitopes on the At1g65770 protein

  • Recombinant antibodies: Engineered for specific binding characteristics

Each type has distinct advantages for different research applications. Monoclonal antibodies provide consistent results across experiments with minimal batch variation, while polyclonal preparations can offer enhanced sensitivity through multi-epitope recognition.

How should At1g65770 antibodies be stored for optimal stability and performance?

At1g65770 antibodies should be stored according to manufacturer specifications, typically following these guidelines:

  • Undiluted antibodies: Store at -80°C for maximum long-term stability (stable for a minimum of 3 years)

  • Working solutions: Store in 50% glycerol at -20°C (stable for at least one year)

  • Avoid repeated freeze-thaw cycles

  • For short-term storage (1-2 weeks), refrigeration at 4°C is acceptable for working dilutions

These storage conditions help maintain antibody binding capacity and specificity over time.

How can I validate the specificity of At1g65770 antibodies in my experimental system?

Validating antibody specificity is crucial for generating reliable data. Implement these methodological approaches:

  • Western blot analysis using:

    • Wild-type samples expressing At1g65770

    • Knockout/knockdown samples lacking At1g65770

    • Recombinant At1g65770 protein as a positive control

  • Immunoprecipitation followed by mass spectrometry to confirm target identity

  • Peptide competition assays to demonstrate epitope-specific binding

  • Cross-reactivity assessment against related proteins

Similar to how anti-PEG antibodies are validated for their binding to specific PEG structures , At1g65770 antibodies must be thoroughly validated to ensure they specifically recognize your target without cross-reactivity to related proteins.

What are the recommended protocols for using At1g65770 antibodies in immunofluorescence microscopy?

For optimal immunofluorescence results with At1g65770 antibodies:

  • Sample preparation:

    • Fix tissues/cells with 4% paraformaldehyde (20 minutes, room temperature)

    • Permeabilize with 0.1% Triton X-100 (15 minutes, room temperature)

    • Block with 5% normal serum from the species of secondary antibody (1 hour)

  • Primary antibody incubation:

    • Use At1g65770 antibody at 1:100-1:500 dilution

    • Incubate overnight at 4°C in humidified chamber

    • Include appropriate controls (no primary antibody, isotype control)

  • Secondary antibody detection:

    • Use species-appropriate secondary antibody

    • For monoclonal antibodies, ensure correct isotype detection (IgG1 or IgM)

    • Incubate 1-2 hours at room temperature protected from light

  • Counterstain and mounting:

    • DAPI for nuclear visualization

    • Mount with anti-fade medium to preserve fluorescence

This methodology enables precise subcellular localization of At1g65770 protein while minimizing background fluorescence.

What are the optimal conditions for using At1g65770 antibodies in ELISA applications?

For developing robust ELISA protocols with At1g65770 antibodies:

  • Coating conditions:

    • Coat plates with purified At1g65770 protein (1-5 μg/ml) or cell/tissue lysate containing the target

    • Use carbonate buffer (pH 9.6) for coating

    • Incubate overnight at 4°C

  • Blocking and antibody dilutions:

    • Block with 3-5% BSA or non-fat milk in PBS

    • Primary antibody dilution: 1:500-1:5000 depending on antibody affinity

    • Secondary antibody: HRP-conjugated at 1:2000-1:10000

  • Detection considerations:

    • For sandwich ELISA, use separate capture and detection antibodies that recognize different epitopes

    • TMB substrate provides sensitive colorimetric detection

    • Include standard curve for quantification

  • Critical controls:

    • Include wells without coating antigen

    • Include wells without primary antibody

    • Use gradient dilutions to establish optimal concentrations

This approach draws upon principles similar to those used in anti-PEG ELISA development , where specificity and sensitivity are carefully balanced.

How can I optimize At1g65770 antibody performance in challenging experimental conditions?

For experiments involving complex matrices or low-abundance targets:

  • Signal amplification strategies:

    • Tyramide signal amplification for immunohistochemistry

    • Poly-HRP secondary antibodies for Western blotting

    • Biotin-streptavidin systems for ELISA

  • Background reduction techniques:

    • Pre-adsorption of antibodies with irrelevant proteins

    • Optimization of blocking agents (5% milk vs. BSA vs. serum)

    • Use of detergents appropriate for your application

  • Sample preparation optimization:

    • Enrichment techniques for low-abundance proteins

    • Subcellular fractionation to concentrate target

This methodological approach is comparable to strategies used in antibody-antigen binding prediction studies, where optimization techniques significantly improve detection efficiency .

What are the considerations for using At1g65770 antibodies in protein-protein interaction studies?

For investigating At1g65770 protein interactions:

  • Co-immunoprecipitation protocol:

    • Lyse cells in non-denaturing buffer (50 mM Tris-HCl pH 7.4, 150 mM NaCl, 1% NP-40)

    • Pre-clear lysate with protein A/G beads

    • Incubate with At1g65770 antibody overnight at 4°C

    • Pull down with protein A/G beads

    • Wash extensively (at least 5 times)

    • Elute and analyze by immunoblotting for potential interacting partners

  • Proximity ligation assay considerations:

    • Use complementary oligonucleotide-labeled secondary antibodies

    • Optimize antibody dilutions to minimize non-specific signals

    • Include appropriate controls for validation

  • Crosslinking strategies:

    • DSP or formaldehyde for reversible crosslinking

    • Optimize crosslinking time and concentration

These approaches are conceptually similar to methods used to study antibody-antigen complex interfaces in databases like AACDB, which catalogs comprehensive interaction data .

How can computational approaches enhance At1g65770 antibody research?

Advanced computational methods can significantly enhance antibody research:

  • Epitope prediction and antibody design:

    • In silico analysis of At1g65770 protein structure

    • Hydrophilicity and accessibility prediction of potential epitopes

    • Computational docking simulations

  • Machine learning for binding prediction:

    • Similar to active learning strategies that improve antibody-antigen binding prediction

    • Predictive models can reduce experimental iterations by 35%

    • Integrates structural data with experimental binding measurements

  • Database integration:

    • Leveraging comprehensive databases like AACDB (Antigen-Antibody Complex Database)

    • Analysis of similar antibody-antigen interaction interfaces

    • Integration of paratope and epitope information from related complexes

This computational approach allows researchers to make informed decisions before extensive experimental work, potentially saving significant research time and resources.

What are common issues when working with At1g65770 antibodies and how can they be resolved?

IssuePotential CausesResolution Strategies
Low signal in Western blotInsufficient protein, antibody denaturation, inefficient transferIncrease protein loading, optimize transfer conditions, increase antibody concentration, use fresh antibody aliquot
High background in immunostainingInadequate blocking, excessive antibody concentration, non-specific bindingIncrease blocking time/concentration, titrate antibody, pre-adsorb antibody, increase washing steps
No signal in immunoprecipitationLow antibody affinity in native conditions, epitope masking, weak antibody-bead bindingTry different antibody clones, optimize lysis conditions, crosslink antibody to beads
Inconsistent results between experimentsAntibody batch variation, protocol inconsistencies, sample degradationUse single antibody lot for critical experiments, standardize protocols, include positive controls
Cross-reactivity with unrelated proteinsAntibody specificity issues, shared epitopesValidate with knockout samples, use peptide competition assays, try alternative antibody clones

These troubleshooting approaches are consistent with methodologies employed in other antibody research fields, focusing on systematic problem-solving rather than trial-and-error approaches.

How can I determine if observed inconsistencies in At1g65770 detection are due to biological variation or technical factors?

When confronting data inconsistencies:

  • Systematic validation approach:

    • Run parallel experiments with multiple antibody lots

    • Test alternative antibodies targeting different epitopes

    • Compare results across different detection techniques (Western blot, ELISA, immunofluorescence)

  • Biological variation assessment:

    • Standardize sample collection and processing

    • Include biological replicates from different sources

    • Consider temporal regulation of At1g65770 expression

  • Technical controls:

    • Use loading controls appropriate for your experiment

    • Include gradient concentrations of recombinant protein

    • Implement spike-in controls for complex samples

  • Statistical analysis:

    • Quantify signal variability across replicates

    • Apply appropriate statistical tests to determine significance

    • Consider power analysis to ensure adequate sample size

This methodical approach resembles validation procedures used in antibody development studies, where distinguishing biological from technical variation is critical for reliable interpretation .

What quality control measures should be implemented when producing or selecting At1g65770 antibodies for research?

Comprehensive quality control should include:

  • Specificity assessment:

    • Western blot against recombinant At1g65770 and native samples

    • Testing against knockout/knockdown samples

    • Cross-reactivity testing against related proteins

  • Affinity determination:

    • ELISA-based binding curves

    • Surface plasmon resonance measurements

    • Determination of KD values

  • Batch consistency verification:

    • Lot-to-lot comparison using standardized samples

    • Stability testing under various storage conditions

    • Functional application testing in multiple assays

  • Documentation requirements:

    • Complete validation data package

    • Detailed production methods and quality control results

    • Application-specific validation data

These quality control measures align with established practices in antibody research and development, as seen in the comprehensive approaches used for nanobody development and database curation .

How might At1g65770 antibodies be adapted for application in advanced imaging techniques?

Emerging imaging applications include:

  • Super-resolution microscopy adaptations:

    • Direct conjugation of fluorophores to At1g65770 antibodies

    • Site-specific labeling strategies using click chemistry

    • Optimization of antibody concentration for single-molecule localization microscopy

  • Live-cell imaging considerations:

    • Development of cell-permeable antibody fragments

    • Creation of genetically encoded intrabodies

    • Temperature-responsive antibody variants similar to the 2B5 anti-PEG antibody

  • Multiplexed imaging strategies:

    • Conjugation with spectrally distinct fluorophores

    • Sequential labeling protocols

    • Mass cytometry-compatible metal conjugation

These approaches draw inspiration from cutting-edge developments in the antibody field, including temperature-responsive antibodies that can reversibly bind targets based on temperature conditions .

What are the considerations for using At1g65770 antibodies in systems biology research?

For integrating At1g65770 antibody data into systems biology:

  • Multi-omics integration:

    • Correlation of antibody-based protein detection with transcriptomics

    • Integration with proteomics data for pathway analysis

    • Combination with metabolomics for functional correlation

  • Network analysis approaches:

    • Protein-protein interaction mapping using antibody-based techniques

    • Pathway perturbation analysis following manipulation of At1g65770

    • Correlation networks based on co-expression patterns

  • Quantitative considerations:

    • Absolute quantification using purified standards

    • Relative quantification across multiple experimental conditions

    • Statistical modeling of antibody binding variability

These systems-level approaches align with comprehensive databases like AACDB that integrate antibody-antigen interaction data to provide broader biological context .

Quick Inquiry

Personal Email Detected
Please use an institutional or corporate email address for inquiries. Personal email accounts ( such as Gmail, Yahoo, and Outlook) are not accepted. *
© Copyright 2025 TheBiotek. All Rights Reserved.