The DOI matches its Crossref record; 29 of the 29 references it cites were found in a registry or an index.
A unique cell division machinery in the Archaea
Open accessAbstract
In contrast to the cell division machineries of bacteria, euryarchaea, and eukaryotes, no division components have been identified in the second main archaeal phylum, Crenarchaeota. Here, we demonstrate that a three-gene operon, cdv , in the crenarchaeon Sulfolobus acidocaldarius , forms part of a unique cell division machinery. The operon is induced at the onset of genome segregation and division, and the Cdv proteins then polymerize between segregating nucleoids and persist throughout cell division, forming a successively smaller structure during constriction. The cdv operon is dramatically down-regulated after UV irradiation, indicating division inhibition in response to DNA damage, reminiscent of eukaryotic checkpoint systems. The cdv genes exhibit a complementary phylogenetic range relative to FtsZ-based archaeal division systems such that, in most archaeal lineages, either one or the other system is present. Two of the Cdv proteins, CdvB and CdvC, display homology to components of the eukaryotic ESCRT-III sorting complex involved in budding of luminal vesicles and HIV-1 virion release, suggesting mechanistic similarities and a common evolutionary origin.
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Cites
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Cited by
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Complex archaea that bridge the gap between prokaryotes and eukaryotes
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Major New Microbial Groups Expand Diversity and Alter our Understanding of the Tree of Life
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Metadata
- Authors
- Lindås, A.-C., Karlsson, E. A., Lindgren, M. T., Ettema, T. J. G., & Bernander, R.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 2008-12-02
- Volume
- 105
- Issue
- 48
- Pages
- 18942-18946
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W2124449369
- Cited by
- 344
- References
- 29
- FWCI
- 14.06
- Type
- journal article
- Language
- en
- Open access
- green
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