1887

Abstract

Summary: The DNA of was analysed for the presence of inverted repeat sequences (IR DNA) by S1 nuclease digestion. Approximately 7% of chromosomal DNA was found to be IR DNA which comprised two size classes. The large IR DNA was heterogeneous and contained species in the size range 100–700 bp. The smaller size class contained species of 17 and 27 bp. Both size classes of IR DNA hybridized to many chromosomal restriction fragments, suggesting that these IR DNA sequences are dispersed throughout the genome. Hybridization studies also indicated sequence homology between the two classes of IR DNA and suggested that the 17 and 27 bp IR DNA sequences may exist in clusters.

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/content/journal/micro/10.1099/00221287-132-2-325
1986-02-01
2021-05-10
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