Fundamentals of DNA hybridization arrays for gene expression analysis

W. M. Freeman, D. J. Robertson, Kent Vrana

Research output: Contribution to journalReview article

136 Citations (Scopus)

Abstract

DNA hybridization arrays [also known as macroarrays, microarrays and/or high-density oligonucleotide arrays (Gene Chips(TM))] bring gene expression analysis to a genomic scale by permitting investigators to simultaneously examine changes in the expression of literally thousands of genes. For hybridization arrays, the general approach is to immobilize gene-specific sequences (probes) on a solid state matrix (nylon membranes, glass microscope slides, silicon/ceramic chips). These sequences are then queried with labeled copies of nucleic acids from biological samples (targets). The underlying theory is that the greater the expression of a gene, the greater the amount of labeled target, and hence, the greater output signal. In spite of the simplicity of the experimental design, there are at least four different platforms and several different approaches to processing and labeling the biological samples. Moreover, investigators must also determine whether they will utilize commercially available arrays or generate their own. This review will cover the status of the hybridization array field with an eye toward underlying principles and available technologies. Future developments and technological trends will also be evaluated.

Original languageEnglish (US)
Pages (from-to)1042-1055
Number of pages14
JournalBioTechniques
Volume29
Issue number5
StatePublished - Nov 30 2000

Fingerprint

Oligonucleotide Array Sequence Analysis
Gene expression
Genes
Gene Expression
DNA
Research Personnel
Nylons
Ceramics
Silicon
Nucleic Acids
Glass
Research Design
Microarrays
Oligonucleotides
Design of experiments
Labeling
Technology
Microscopes
Membranes
Processing

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Freeman, W. M. ; Robertson, D. J. ; Vrana, Kent. / Fundamentals of DNA hybridization arrays for gene expression analysis. In: BioTechniques. 2000 ; Vol. 29, No. 5. pp. 1042-1055.
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Freeman, WM, Robertson, DJ & Vrana, K 2000, 'Fundamentals of DNA hybridization arrays for gene expression analysis', BioTechniques, vol. 29, no. 5, pp. 1042-1055.

Fundamentals of DNA hybridization arrays for gene expression analysis. / Freeman, W. M.; Robertson, D. J.; Vrana, Kent.

In: BioTechniques, Vol. 29, No. 5, 30.11.2000, p. 1042-1055.

Research output: Contribution to journalReview article

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