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Heterogeneity of small plasmids from halophilic archaea.

ABSTRACT: Small multicopy plasmids in three strains of halophilic archaea, SB3, GRB, and GN101, were found to be present in a cell as a population of related but not identical sequences. Two types of heterogeneity were observed: macroheterogeneity, represented by two major plasmid sequence versions homologous to each other by 80%, and microheterogeneity, in which individual plasmids differ by one or a few nucleotide substitutions.

SUBMITTER: Akhmanova AS 

PROVIDER: S-EPMC193023 | biostudies-other | 1993 Feb

REPOSITORIES: biostudies-other

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Heterogeneity of small plasmids from halophilic archaea.

Akhmanova A S AS   Kagramanova V K VK   Mankin A S AS  

Journal of bacteriology 19930201 4

Small multicopy plasmids in three strains of halophilic archaea, SB3, GRB, and GN101, were found to be present in a cell as a population of related but not identical sequences. Two types of heterogeneity were observed: macroheterogeneity, represented by two major plasmid sequence versions homologous to each other by 80%, and microheterogeneity, in which individual plasmids differ by one or a few nucleotide substitutions. ...[more]

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