Reports

Cloning of yeast transfer RNA genes in Escherichia coli

Science  08 Apr 1977:
Vol. 196, Issue 4286, pp. 205-208
DOI: 10.1126/science.322282

Abstract

Four thousand Escherichia coli clones containing yeast DNA inserted into the plasmid pBR313 have been isolated. Of these, 175 clones were identified as carrying yeast transfer RNA genes. The initial analysis of the inserted transfer RNA genes via the colony hybridization technique with individual radioactive transfer RNA species is reported. The data indicate that yeast transfer RNA genes are not highly clustered, although some clustering exists. In addition, it was observed that the reiteration number of different transfer RNA genes may vary extensively.

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