Computer matching of oligonucleotide patterns on electrophoretic gels

An application to the epidemiology of cytomegalovirus

A. E. Ades, A. J. Garrett, John Kenneth Cowell, K. S. Chin, C. S. Peckham

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

A computer program was written to analyse oligonucleotide patterns displayed by gel electrophoresis following restriction endonuclease digestion of human cytomegaloviral DNA, and was applied to an epidemiological study of the transmission of infection in a hospital special care baby unit, with regard to infant-to-infant and mother-to-infant transmission. The program calculates the molecular weight of oligonucleotides from their mobilities, using a cubic spline curve based on the mobilities of oligonucleotides from the AD169 strain. A matching algorithm then calculates the number of unmatched fragments for each pair of viral isolates. This was used as a similarity measure which successfully distinguished mother and infant isolate pairs from epidemiologically unrelated pairs. The program is not intended to provide fully automatic matching, but could be recommended as a screening device to pick out pairs of strains which are sufficiently similar to suggest a common source of infection, and which may warrant closer comparison. Other applications are discussed, and the possible use of densitometers to automate data entry is considered.

Original languageEnglish (US)
Pages (from-to)467-479
Number of pages13
JournalEpidemiology and Infection
Volume100
Issue number3
DOIs
StatePublished - Jan 1 1988

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Cytomegalovirus
Oligonucleotides
Epidemiology
Gels
Mothers
Special Hospital
Infectious Disease Transmission
DNA Restriction Enzymes
Electrophoresis
Epidemiologic Studies
Digestion
Software
Molecular Weight
Equipment and Supplies
DNA
Infection

ASJC Scopus subject areas

  • Epidemiology
  • Infectious Diseases

Cite this

Computer matching of oligonucleotide patterns on electrophoretic gels : An application to the epidemiology of cytomegalovirus. / Ades, A. E.; Garrett, A. J.; Cowell, John Kenneth; Chin, K. S.; Peckham, C. S.

In: Epidemiology and Infection, Vol. 100, No. 3, 01.01.1988, p. 467-479.

Research output: Contribution to journalArticle

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