Ribosomal RNA Genes of Neurospora: Isolation and Characterization

  1. Sisir K. Chattopadhyay*,
  2. David E. Kohne†, and
  3. Sisr K. Dutta‡
  1. *Botany Department, Howard University, Washington, D.C., 20001
  2. ‡Carnegie Institution of Washington, 5241 Broad Branch Road, Washington, D.C. 20015

Abstract

DNA sequences in Neurospora crassa that code for ribosomal RNA have been isolated in a highly purified state by DNA-RNA hybridization. About 100 separate ribosomal RNA genes exist in each nucleus. These genes are composed of repeated sequences that are present about 100 times per nucleus. The individual members of this group of DNA sequences are essentially identical.

Footnotes

  • ↵ † Present address: Biology Department, University of California, San Diego, La Jolla, Calif., 92037.

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  1. PNAS November 1, 1972 vol. 69 no. 11 3256-3259
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