Concatemers in a rapidly sedimenting, replicating bacteriophage T7 DNA

Philip Serwer, Gisele A. Greenhaw, Jerry L. Allen

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

In previous studies, replicating bacteriophage T7 DNA was isolated as a rapidly sedimenting, multigenome-sized complex (100 S+ DNA), consisting of double-stranded DNA with some single-stranded regions. In the present study, 100 S+ DNA was digested with nuclease S1 and the products were fractionated by velocity sedimentation and analyzed by electron microscopy and digestion with restriction enzymes, followed by agarose gel electrophoresis. Some of the fragments released from 100 S+ DNA by nuclease S1 are linear, heterogeneous in length, and one to five times as long as mature T7 DNA. Uniformlength DNA's one, two, and four times the length of mature T7 DNA were also present in sufficiently large amounts to form visible bands during velocity sedimentation.

Original languageEnglish (US)
Pages (from-to)474-479
Number of pages6
JournalVirology
Volume123
Issue number2
DOIs
StatePublished - 1982

Fingerprint

Bacteriophage T7
DNA
Deoxyribonucleases
Agar Gel Electrophoresis
Digestion
Electron Microscopy
Enzymes

ASJC Scopus subject areas

  • Virology
  • Infectious Diseases

Cite this

Concatemers in a rapidly sedimenting, replicating bacteriophage T7 DNA. / Serwer, Philip; Greenhaw, Gisele A.; Allen, Jerry L.

In: Virology, Vol. 123, No. 2, 1982, p. 474-479.

Research output: Contribution to journalArticle

Serwer, Philip ; Greenhaw, Gisele A. ; Allen, Jerry L. / Concatemers in a rapidly sedimenting, replicating bacteriophage T7 DNA. In: Virology. 1982 ; Vol. 123, No. 2. pp. 474-479.
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