1887

Abstract

The DNA of an isolate of , an agent of relapsing fever is present as seven major species ranging in size from 10 kb to greater than 150 kb. Additionally, this isolate contains low copy number species, both smaller and larger than these seven major elements. No one of these individual DNA species obviously corresponds to the bacterial chromosome, unlike the situation in , another relapsing fever . Thus it appears that has a unique segmented arrangement of its genetic material. Cloned DNA fragments containing coding sequences specific for variant surface antigens of hybridize to a closely migrating, high copy number subset of these genetic elements.

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/content/journal/micro/10.1099/00221287-134-7-1785
1988-07-01
2021-05-14
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