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DNA Microarrays

DNA Microarrays

Microarrays are high-throughput and relatively inexpensive assays that can be automated to analyze large quantities of data at a time. They are used in genome-wide studies to compare gene or protein expression under two varied conditions, such as healthy and diseased states. Microarrays consist of glass or silica slides on which probe molecules are covalently attached through surface functionalization. Most commonly, the slides are prepared through the chemisorption of silanes to silica...

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Updated: Jun 8, 2026

Identifying Protein-protein Interaction Sites Using Peptide Arrays

Identifying Protein-protein Interaction Sites Using Peptide Arrays

Published on: November 18, 2014

Peptide arrays with a chip.

Alexander Nesterov¹, Edgar Dörsam, Yun-Chien Cheng

¹Institute for Microstructure Technology, Karlsruhe Institute of Technology, Eggenstein-Leopoldshafen, Germany.

Methods in Molecular Biology (Clifton, N.J.)

|September 22, 2010

Summary

This summary is machine-generated.

A novel method uses charged amino acid particles and a computer chip for rapid, high-density peptide array synthesis. This breakthrough aims to advance proteome research by enabling efficient peptide generation for genomic translation.

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Last Updated: Jun 8, 2026

Identifying Protein-protein Interaction Sites Using Peptide Arrays

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Published on: November 18, 2014

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Analysis of Histone Antibody Specificity with Peptide Microarrays

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Published on: August 1, 2017

Area of Science:

Biochemistry
Genomics
Proteomics

Background:

Oligonucleotide arrays have revolutionized genomics through high-density combinatorial synthesis.
Peptide arrays are crucial for proteomics but lag behind due to complex, multi-step synthesis processes.
Current lithographic methods for peptide synthesis involve excessive coupling cycles for each amino acid.

Purpose of the Study:

To develop an efficient and affordable method for creating very high-density peptide arrays.
To overcome the limitations of current peptide synthesis techniques for large-scale proteomic applications.
To enable the translation of entire genomes into overlapping peptides for proteome research.

Main Methods:

A combinatorial synthesis approach utilizing electrically charged solid amino acid particles.
Computer chip-controlled addressing of charged particles to a solid support.
Simultaneous melting and coupling of all immobilized amino acids in a single reaction step.

Main Results:

The proposed method significantly reduces the number of coupling cycles required for peptide synthesis.
It enables the rapid, high-density production of peptide arrays.
Potential for translating genomic information into a comprehensive set of peptides for proteomic analysis.

Conclusions:

This novel synthesis strategy offers a solution to the challenges in peptide array production.
It is expected to accelerate advancements in the field of proteomics.
The method holds promise for comprehensive proteome research and genomic translation.