MtoZ Biolabs offers the Plant Protein Glue Strip Identification Service using advanced mass spectrometry techniques to help researchers accurately identify proteins in plant samples. Our service covers the entire process from sample preparation to data analysis, providing efficient and reliable protein identification solutions that advance scientific breakthroughs in plant research.

Principle of Glue Strip Identification

The Plant Protein Glue Strip Identification is based on the combined approach of gel electrophoresis separation and mass spectrometry analysis. Complex plant protein samples are first separated by SDS-PAGE or two-dimensional gel electrophoresis. Proteins migrate in the gel based on their molecular weight or charge characteristics, forming clear and identifiable protein bands. The glue strip serves as the physical carrier of the separated proteins, breaking down the complex protein mixture into simpler regions with defined molecular weight ranges, laying the foundation for precise subsequent analysis.

During the glue strip identification process, researchers can cut out the bands of interest and perform in-gel digestion, followed by liquid chromatography-tandem mass spectrometry (LC-MS/MS) analysis to systematically identify the proteins in the bands. This strategy effectively reduces sample complexity, improves the detection of low-abundance or specific molecular weight proteins, and preserves the molecular weight information provided by the band position, helping verify protein expression forms, isoforms, or modification statuses. This method offers high sensitivity and resolution, enabling effective separation and identification of low-abundance proteins, and is widely used in the qualitative analysis of plant proteins.

Figure 1. Protein Glue Strip Identification

MtoZ Biolabs Plant Protein Glue Strip Identification Service

MtoZ Biolabs utilizes advanced mass spectrometry technologies, including MALDI-TOF and ESI-MS/MS, which can be widely applied to various plant samples. The following are the common sample types we can identify:

1. One-Dimensional SDS-PAGE Separated Protein Bands

We can identify proteins separated by one-dimensional gel electrophoresis. This method is suitable for initial screening within a specific molecular weight range, helping researchers locate and confirm proteins of interest.

2. Protein Spots from Two-Dimensional PAGE

For protein spots separated by two-dimensional gel electrophoresis, our service offers precise protein identification. This is an effective analysis method, especially for low-abundance proteins, in complex protein samples. By cutting, digesting, and analyzing protein spots through mass spectrometry, we can identify the proteins represented by different spots.

3. Protein Expression Products

Our technology is also applicable for identifying protein expression products from various sources, particularly recombinant proteins or target proteins in expression systems. These proteins are usually purified and then further analyzed after electrophoretic separation.

Workflow of Plant Protein Glue Strip Identification Service

1. Glue Strip Selection

First, we select the protein band or protein spot of interest from one-dimensional SDS-PAGE or two-dimensional PAGE. Researchers select the target band based on the expected molecular weight or electrophoretic position and cut it out from the gel.

2. In-Gel Digestion

The selected protein bands undergo in-gel digestion (typically using trypsin), breaking the proteins down into smaller peptide fragments. This process is carried out within the gel, and the digested peptides diffuse out of the gel, ready for the next step of analysis.

3. Mass Spectrometry Analysis

After digestion, the peptides are extracted and sent to the LC-MS/MS system for mass spectrometry analysis. Using MALDI or ESI mass spectrometry techniques, the peptides are analyzed at high resolution in the mass spectrometer, obtaining the mass-to-charge (m/z) ratios of each peptide.

4. Data Analysis and Identification

The collected mass spectrometry data are analyzed using bioinformatics tools and compared with known proteins in the database. We can accurately identify the protein's identity and recognize post-translational modifications (such as phosphorylation, acetylation, etc.) and other structural features.

Why Choose MtoZ Biolabs?

• Advanced Technology: MtoZ Biolabs has a state-of-the-art LC-MS/MS platform equipped with Thermo Fisher Q Exactive HF and Orbitrap Fusion Lumos mass spectrometers, ensuring high sensitivity and high resolution in analysis results.
• Professional Team: Our scientific team is composed of experienced experts, providing full-service support from sample handling to data analysis, ensuring the accuracy and reliability of results.
• Customized Service: We offer personalized services based on customer research needs, covering the entire process from plant protein extraction, separation, to identification and analysis.
• Transparent Pricing: Our pricing is clear and upfront, with no hidden fees or additional costs.

Applications of Plant Protein Glue Strip Identification Service

1. Plant Physiology Research

Identifying key proteins related to plant growth, development, and stress resistance, revealing their roles in plant physiological processes.

2. Crop Improvement

By identifying protein differences in different plant varieties, supporting crop improvement and genetic research, enhancing yield and stress resistance.

3. Plant Pathology Research

Analyzing protein changes affected by plant diseases, helping develop new plant protection strategies.

4. Plant Functional Genomics

Providing in-depth protein-level data for plant genomics research, advancing the analysis of gene-protein function relationships.

Deliverables

• Raw Data Files
• Data Analysis Report
• Results Visualization
• Data Tables

Start Your Project with MtoZ Biolabs

If you have any questions or need further details about our services, please feel free to contact our professional team.

FAQs

Q1: What types of samples are suitable?

A1: Suitable for various plant tissues, such as leaves, roots, seeds, etc. Samples should be of good solubility and avoid excessive contaminants.

Q2: What is the service's general workflow?

Q3: What data formats are provided?

A3: MtoZ Biolabs offers various standardized data output formats to ensure compatibility with subsequent analysis and publication needs. Deliverables typically include:

• LC-MS/MS Raw Data Files: Raw data files from the mass spectrometry platform, used for traceability and further analysis.

• Protein Identification Results Table: Provided in Excel or CSV format, containing protein names, corresponding band information, and basic identification parameters.

• Comprehensive Analysis Report (PDF): Summarizes experimental procedures, analysis methods, quality control points, and main identification results, making it easy to understand and reference.

• High-Resolution Image Files: Including gel images with labels and related spectra, in TIFF or PNG format, suitable for publication.

If specific data formats or result arrangements are required, these can be discussed and customized during project communication.

Q4: How should I prepare my samples?

A4: To ensure stable and reproducible results for plant protein glue strip identification, MtoZ Biolabs recommends the following sample preparation guidelines:

• Sample Type: Suitable for clearly defined plant tissue samples or gel strips that have already been electrophoretically separated, such as leaves, roots, stems, and seeds.
• Sample Condition: Protein bands should be clearly distinguishable, with minimal degradation, smearing, or high background interference to ensure high-quality identification results.
• Gel Strip Handling Requirements: It is recommended to use conventional staining methods to obtain band information and avoid using dyes or treatments that may interfere with mass spectrometry detection.
• Storage and Shipping: Gel strip samples should be stored at low temperatures, and shipping should be done in a manner that avoids high temperatures and repeated freeze-thaw cycles to maintain protein stability.

For more information, please refer to Sample Submission Guidelines for Proteomics and Sample Submission Guidelines for Metabolomics.