Immunoelectronmicroscopic study of the nucleoid structure of hydrogen bacteria

Electron microscopical studies of the nucleoid structure of hydrogen bacteria using ultrahin sections and spread DNA from bacterial cell lysates revealed a different DNA packaging in the cell. A compact state of the major part of DNA at all growth stages and stability of nucleosome-like structures w...

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Bibliographic Details
Published inJournal of basic microbiology Vol. 32; no. 6; p. 381
Main Authors Mogilnaya, O A, Kiselyova, E V, Medvedeva, S E, Puzir, A P, Guseynov, O A, Kulyba, N N, Kozlov, A V
Format Journal Article
LanguageEnglish
Published Germany 1992
Subjects
Alcaligenes - ultrastructure
Cell Division
Cell Nucleus - ultrastructure
DNA, Bacterial - ultrastructure
Escherichia coli - ultrastructure
Microscopy, Immunoelectron
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Summary:Electron microscopical studies of the nucleoid structure of hydrogen bacteria using ultrahin sections and spread DNA from bacterial cell lysates revealed a different DNA packaging in the cell. A compact state of the major part of DNA at all growth stages and stability of nucleosome-like structures were shown. The use of antibodies to HU protein of E. coli labelled by protein A-colloidal gold demonstrated the immunological relationship between HU protein of E. coli and histone-like proteins of Alcaligenes eutrophus and their possible role in the nucleosome-like DNA packaging in procariotic genome.
ISSN:0233-111X
DOI:10.1002/jobm.3620320606