Morphological changes in Escherichia coli and Bacillus cereus caused by external histone
Jazyk angličtina Země Spojené státy americké Médium print
Typ dokumentu časopisecké články
PubMed
824179
DOI
10.1007/bf02876907
Knihovny.cz E-zdroje
- MeSH
- Bacillus cereus růst a vývoj ultrastruktura MeSH
- buněčná membrána ultrastruktura MeSH
- buněčná stěna ultrastruktura MeSH
- cytoplazma ultrastruktura MeSH
- Escherichia coli růst a vývoj ultrastruktura MeSH
- histony farmakologie MeSH
- hořčík farmakologie MeSH
- spory bakteriální růst a vývoj ultrastruktura MeSH
- Publikační typ
- časopisecké články MeSH
- Názvy látek
- histony MeSH
- hořčík MeSH
It was found that the externally added histone changes remarkably both the surface and the internal ultrastructure of cells of Escherichia coli. The interaction of histone with surface structures results in thickening of the inner layer of the cell wall. Cytoplasm becomes condensed, contains extensive electrontransport zones and neither ribosomes nor the nuclear structure are differentiated. The addition of histone to germinating spores of Bacillus cereus decelerates germination and postgerminative development of this organism and changes ultrastructure of the external surface of the exosporium. The addition of Mg2+ ions reverting the effect of histone results in a renewal of the original ultrastructure of the exosporium.
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