Histone and TK0471/TrmBL2 form a novel heterogeneous genome architecture in the hyperthermophilic archaeon Thermococcus kodakarensis

Hugo Maruyama, Minsang Shin, Toshiyuki Oda, Rie Matsumi, Ryosuke L. Ohniwa, Takehiko Itoh, Katsuhiko Shirahige, Tadayuki Imanaka, Haruyuki Atomi, Shige H. Yoshimura, Kunio Takeyasu

研究成果: ジャーナルへの寄稿記事

26 引用 (Scopus)

抄録

Being distinct from bacteria and eukaryotes, Archaea constitute a third domain of living things. The DNA replication, transcription, and translation machineries of Archaea are more similar to those of eukaryotes, whereas the genes involved in metabolic processes show more similarity to their bacterial counterparts. We report here that TK0471/TrmB-like 2 (TrmBL2), in addition to histone, is a novel type of abundant chromosomal protein in the model euryarchaeon Thermococcus kodakarensis. The chromosome of T. kodakarensis can be separated into regions enriched either with histone, in which the genetic material takes on a "beads-on-a-string" appearance, or with TK0471/TrmBL2, in which it assumes a thick fibrous structure. TK0471/TrmBL2 binds to both coding and intergenic regions and represses transcription when bound to the promoter region. These results show that the archaeal chromosome is organized into heterogeneous structures and that TK0471/TrmBL2 acts as a general chromosomal protein as well as a global transcriptional repressor.

元の言語英語
ページ(範囲)386-398
ページ数13
ジャーナルMolecular biology of the cell
22
発行部数3
DOI
出版物ステータス出版済み - 2 1 2011

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Thermococcus
Archaea
Eukaryota
Archaeal Chromosomes
Histones
Genome
Intergenic DNA
DNA Replication
Genetic Promoter Regions
Genes
Proteins
Chromosomes
Bacteria

All Science Journal Classification (ASJC) codes

  • Molecular Biology
  • Cell Biology

これを引用

Histone and TK0471/TrmBL2 form a novel heterogeneous genome architecture in the hyperthermophilic archaeon Thermococcus kodakarensis. / Maruyama, Hugo; Shin, Minsang; Oda, Toshiyuki; Matsumi, Rie; Ohniwa, Ryosuke L.; Itoh, Takehiko; Shirahige, Katsuhiko; Imanaka, Tadayuki; Atomi, Haruyuki; Yoshimura, Shige H.; Takeyasu, Kunio.

:: Molecular biology of the cell, 巻 22, 番号 3, 01.02.2011, p. 386-398.

研究成果: ジャーナルへの寄稿記事

Maruyama, H, Shin, M, Oda, T, Matsumi, R, Ohniwa, RL, Itoh, T, Shirahige, K, Imanaka, T, Atomi, H, Yoshimura, SH & Takeyasu, K 2011, 'Histone and TK0471/TrmBL2 form a novel heterogeneous genome architecture in the hyperthermophilic archaeon Thermococcus kodakarensis', Molecular biology of the cell, 巻. 22, 番号 3, pp. 386-398. https://doi.org/10.1091/mbc.E10-08-0668
Maruyama, Hugo ; Shin, Minsang ; Oda, Toshiyuki ; Matsumi, Rie ; Ohniwa, Ryosuke L. ; Itoh, Takehiko ; Shirahige, Katsuhiko ; Imanaka, Tadayuki ; Atomi, Haruyuki ; Yoshimura, Shige H. ; Takeyasu, Kunio. / Histone and TK0471/TrmBL2 form a novel heterogeneous genome architecture in the hyperthermophilic archaeon Thermococcus kodakarensis. :: Molecular biology of the cell. 2011 ; 巻 22, 番号 3. pp. 386-398.
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