TIFY11C Antibody

What is TIFY11C antibody and what is its target protein?

TIFY11C antibody is a rabbit polyclonal antibody designed to recognize and bind to LOC4331833, a protein found in rice (Oryza sativa). This protein is also known by several alternative names including JAZ11, OsJAZ2, OsJAZ11, and OsTIFY11c . The target protein belongs to the TIFY transcription factor family, which plays crucial roles in plant growth regulation and stress responses. The commercially available antibody is typically generated using a synthetic peptide within rice JAZ11 amino acid sequence 160-209 (of 209 total amino acids) . The TIFY/JAZ proteins are part of the jasmonate signaling pathway, which mediates plant responses to various environmental stresses and developmental cues.

What experimental techniques are compatible with TIFY11C antibody?

The TIFY11C antibody has been validated for several research applications, including Enzyme-Linked Immunosorbent Assay (ELISA), Immunofluorescence (IF), and Immunohistochemistry on paraffin-embedded tissues (IHC-P) . For ELISA applications, the recommended dilution is 1:10,000, allowing for highly sensitive detection in quantitative assays. For immunofluorescence applications, researchers should use dilutions ranging from 1:50 to 1:100, while for IHC-P applications, dilutions between 1:50 and 1:200 are recommended . The versatility across multiple techniques makes this antibody valuable for researchers conducting comparative analyses using different immunological methods to confirm findings.

What are the optimal storage and handling conditions for TIFY11C antibody?

For optimal antibody performance and longevity, TIFY11C antibody should be stored at +4°C after thawing. For long-term storage, the antibody should be aliquoted and kept at -20°C to minimize freeze-thaw cycles, which can significantly degrade antibody quality and binding efficiency . The formulation typically includes 1× TBS (pH 7.4), 0.2% BSA, and 50% glycerol, with 0.05% sodium azide as a preservative . Researchers should be aware that proper storage conditions are critical for maintaining antibody functionality, as repeated freeze-thaw cycles can lead to protein denaturation and reduced antibody efficacy. Each freeze-thaw cycle can reduce activity by approximately 10-15%, so creating single-use aliquots is strongly recommended.

How should researchers prepare samples for optimal TIFY11C antibody detection in plant tissues?

For effective immunofluorescence staining using TIFY11C antibody in rice tissues, heat-mediated antigen retrieval with Tris-EDTA buffer (pH 9.0) for 20 minutes is recommended. After antigen retrieval, tissues should be blocked in 10% negative goat serum for 1 hour at room temperature to reduce non-specific binding, followed by washing with PBS . The TIFY11C antibody should be applied at a 1:50 dilution and incubated for 10 hours at 4°C to ensure optimal antigen-antibody binding. For visualization, an appropriate secondary antibody such as Alexa Fluor® 488 conjugated Goat anti-Rabbit IgG (H+L) can be used at a 1:500 dilution for 1 hour at room temperature .

For immunohistochemical analysis, heat-mediated antigen retrieval with sodium citrate buffer (pH 6.0) for 20 minutes is preferred. The tissue sections should be blocked in 5% BSA for 30 minutes at room temperature, followed by washing with ddH₂O and PBS . The primary antibody should be applied at a 1:50 dilution for 30 minutes at room temperature. Detection can be performed using an HRP-conjugated compact polymer system with DAB as the chromogen. Tissues can be counterstained with hematoxylin and mounted with DPX for long-term preservation and visualization .

What controls should researchers include when working with TIFY11C antibody?

To ensure experimental rigor when working with TIFY11C antibody, researchers should implement multiple controls. A negative control omitting the primary antibody but including all other reagents helps identify non-specific binding of the secondary antibody. Additionally, using tissues from known TIFY11C-deficient or knockout plants can serve as biological negative controls. Positive controls should include tissues with confirmed TIFY11C expression, such as rice tissues under jasmonate treatment, which upregulates JAZ proteins.

For validation purposes, researchers should consider performing Western blot analysis to confirm antibody specificity by verifying that the detected protein is of the expected molecular weight. Additionally, competitive inhibition experiments using the immunizing peptide can confirm specificity, as pre-incubation of the antibody with the peptide should block subsequent staining in immunohistochemistry or immunofluorescence assays. These rigorous controls help distinguish between true positive results and potential artifacts.

How can TIFY11C antibody be used to study jasmonate signaling pathways in rice?

TIFY11C/JAZ11 proteins interact with R2R3-MYB transcription factors to affect jasmonate-regulated processes in plants . To investigate these interactions, researchers can use TIFY11C antibody in co-immunoprecipitation (Co-IP) experiments to pull down protein complexes containing TIFY11C and its binding partners. Combined with mass spectrometry analysis, this approach can identify novel interaction partners within the jasmonate signaling pathway.

Another advanced application involves chromatin immunoprecipitation (ChIP) assays using TIFY11C antibody to identify genomic regions where TIFY11C-containing complexes bind, providing insights into transcriptional regulation. For studying protein dynamics under different stress conditions, researchers can employ TIFY11C antibody in time-course experiments analyzing protein abundance changes in response to mechanical wounding, pathogen infection, or drought stress - all known to activate jasmonate signaling. These approaches can help elucidate the specific functions of TIFY11C in plant defense mechanisms and stress adaptation.

What methodological considerations should researchers take when using TIFY11C antibody in multiplexed immunofluorescence?

Multiplexed immunofluorescence allows simultaneous detection of multiple proteins in the same sample, providing valuable information about protein co-localization and complex formation. When incorporating TIFY11C antibody into multiplexed protocols, researchers should carefully consider several methodological aspects to ensure reliable results.

First, antibody compatibility is crucial - the TIFY11C rabbit polyclonal antibody must be paired with other antibodies raised in different host species to avoid cross-reactivity between secondary antibodies. Sequential staining protocols may be necessary if antibodies from the same species must be used. Additionally, spectral overlap between fluorophores should be minimized by selecting fluorophores with well-separated excitation and emission spectra. Researchers should perform single-staining controls for each antibody to establish baseline signals and identify any potential bleed-through between channels before proceeding with multiplexed experiments.

Special consideration should be given to antigen retrieval methods when multiple antibodies with different optimal retrieval conditions are used. Researchers may need to compromise with a method that works adequately for all antibodies involved or employ sequential staining with multiple retrieval steps. Finally, tissue autofluorescence must be accounted for, particularly in plant tissues containing chlorophyll and other fluorescent compounds, by incorporating appropriate blocking steps or computational correction during image analysis.

What strategies can researchers employ when facing weak or inconsistent TIFY11C antibody signal?

When researchers encounter weak or inconsistent signals with TIFY11C antibody, several optimization strategies can be implemented. First, adjusting antibody concentration is essential - while the recommended dilutions are 1:50-1:100 for IF and 1:50-1:200 for IHC-P , researchers should perform a titration experiment to determine the optimal antibody concentration for their specific tissue and conditions.

Optimizing antigen retrieval protocols is equally important. For TIFY11C detection, heat-mediated antigen retrieval with either Tris-EDTA buffer (pH 9.0) or sodium citrate buffer (pH 6.0) has been validated , but researchers may need to adjust retrieval duration, temperature, or buffer composition based on their specific tissue preparation methods. Extending primary antibody incubation time (beyond the standard 10 hours at 4°C for IF or 30 minutes at room temperature for IHC-P) can enhance signal intensity by allowing more complete antibody binding, particularly for low-abundance proteins.

Signal amplification techniques can also be employed, such as using biotinylated secondary antibodies followed by streptavidin-conjugated fluorophores, or implementing tyramide signal amplification (TSA) to enhance detection sensitivity. Finally, fresh tissue samples typically yield stronger signals than archived samples, and specimen preparation techniques (fixation duration, embedding process) significantly impact epitope preservation and subsequent antibody binding.

How can researchers distinguish between specific and non-specific binding when using TIFY11C antibody?

Distinguishing specific from non-specific binding is crucial for accurate interpretation of TIFY11C antibody results. Peptide competition assays are highly effective - by pre-incubating the antibody with the immunizing peptide (amino acids 160-209 of rice JAZ11) , specific binding sites should be blocked, causing disappearance of true positive signals while non-specific binding remains unaffected.

Genetic validation using TIFY11C knockout or knockdown plants provides compelling evidence for antibody specificity. Signals should be absent or substantially reduced in these negative control tissues compared to wild-type plants. Performing parallel experiments with alternative detection methods, such as RNA in situ hybridization to localize TIFY11C mRNA, can corroborate protein localization patterns observed with antibody staining.

Western blot analysis comparing wild-type and TIFY11C-deficient samples can confirm antibody specificity based on the presence of a band at the expected molecular weight in wild-type samples that is absent in knockout samples. Finally, researchers should carefully evaluate signal distribution patterns - specific staining should show consistent subcellular localization corresponding to the known biology of the target protein, while non-specific staining often presents as diffuse background or irregular patterns across various cell types.

What are emerging applications of computational approaches in antibody design relevant to plant research?

Recent advances in computational antibody design offer promising applications for improving antibodies against plant proteins like TIFY11C. New approaches integrate both structural and sequence information to design more specific antibodies with higher affinity. For instance, novel methodologies employing protein structural encoders can capture both sequence and conformational details of antigens, which are then fed into antibody language models (aLM) to generate antibody sequences .

These computational approaches are particularly valuable when designing antibodies against challenging targets like plant transcription factors, which often share significant sequence homology. By incorporating cross-attention layers, modern antibody language models can effectively utilize antigen information from structural encoders, enabling the prediction of antibody sequences without needing supplementary data such as epitope residues or docked antibody frameworks .

The Causal Masked Language Modeling (CMLM) objective has proven effective for optimal model training in this context . These computational tools are especially relevant for designing next-generation TIFY11C antibodies with improved specificity, potentially distinguishing between highly similar TIFY family members that have overlapping functions in plant stress responses.

How might TIFY11C antibody research contribute to understanding plant responses to environmental stresses?

TIFY11C/JAZ11 proteins are known to interact with R2R3-MYB transcription factors to regulate jasmonate-mediated processes , which play critical roles in plant defense and stress responses. Advanced applications of TIFY11C antibodies could provide insights into how plants modulate these signaling pathways under variable environmental conditions.

By employing TIFY11C antibodies in time-course experiments examining protein abundance, localization, and interaction partners under different stress conditions (drought, pathogen infection, temperature extremes), researchers can map the dynamic changes in jasmonate signaling networks. ChIP-seq experiments using TIFY11C antibodies could identify genome-wide binding patterns of TIFY11C-containing complexes under various stress conditions, revealing stress-specific transcriptional regulation mechanisms.

Furthermore, combining TIFY11C antibody-based research with emerging technologies like spatial transcriptomics could illuminate tissue-specific responses to environmental stresses, potentially leading to the development of more resilient crop varieties. Understanding the molecular mechanisms through which TIFY proteins mediate stress responses could ultimately inform breeding programs and biotechnological approaches aimed at enhancing crop adaptation to changing climate conditions.