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Journal of Bacteriology, March 2005, p. 1856-1858, Vol. 187, No. 5
0021-9193/05/$08.00+0     doi:10.1128/JB.187.5.1856-1858.2005
Copyright © 2005, American Society for Microbiology. All Rights Reserved.

DNA Content and Nucleoid Distribution in Methanothermobacter thermautotrophicus

Alan I. Majerník ,1,{dagger},{ddagger} Magnus Lundgren,2,{dagger} Paul McDermott,1 Rolf Bernander,2 and James P. J. Chong1*

Department of Biology, University of York, York, United Kingdom,1 Department of Molecular Evolution, Evolutionary Biology Center, Uppsala University, Uppsala, Sweden2

Received 26 August 2004/ Accepted 21 November 2004

Flow cytometry and epifluorescence microscopy results for the euryarchaeon Methanothermobacter thermautotrophicus were consistent with filaments containing multiple cells. Filaments of one to four cells contained two to eight nucleoids. Single chromosome-containing cells were not observed. Filaments containing multiple genome copies displayed synchronous DNA replication initiation. Chromosome segregation occurred during replication or rapidly after replication termination.

* Corresponding author. Mailing address: Department of Biology (Area 5), University of York, PO Box 373, York YO10 5YW, United Kingdom. Phone: 44 1904 328628. Fax: 44 1904 328505. E-mail: jpjc1{at}york.ac.uk.

{dagger} A.I.M. and M.L. contributed equally to this work.

{ddagger} Present address: Institute of Animal Biochemistry and Genetics, Slovak Academy of Sciences, 900 28 Ivanka pri Dunaji, Slovakia.

Journal of Bacteriology, March 2005, p. 1856-1858, Vol. 187, No. 5
0021-9193/05/$08.00+0     doi:10.1128/JB.187.5.1856-1858.2005
Copyright © 2005, American Society for Microbiology. All Rights Reserved.



This article has been cited by other articles:

  • Lundgren, M., Malandrin, L., Eriksson, S., Huber, H., Bernander, R. (2008). Cell Cycle Characteristics of Crenarchaeota: Unity among Diversity. J. Bacteriol. 190: 5362-5367 [Abstract] [Full Text]  


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