Archaeal DNA repair mechanisms

CJ Marshall, TJ Santangelo - Biomolecules, 2020 - mdpi.com
Archaea often thrive in environmental extremes, enduring levels of heat, pressure, salinity,
pH, and radiation that prove intolerable to most life. Many environmental extremes raise the …

Genetic manipulation in Sulfolobus islandicus and functional analysis of DNA repair genes

C Zhang, B Tian, S Li, X Ao, K Dalgaard… - Biochemical Society …, 2013 - portlandpress.com
Recently, a novel gene-deletion method was developed for the crenarchaeal model
Sulfolobus islandicus, which is a suitable tool for addressing gene essentiality in depth …

The P. furiosus mre11/rad50 complex promotes 5′ strand resection at a DNA double-strand break

BB Hopkins, TT Paull - Cell, 2008 - cell.com
Summary The Mre11/Rad50 complex has been implicated in the early steps of DNA double-
strand break (DSB) repair through homologous recombination in several organisms …

UV‐inducible DNA exchange in hyperthermophilic archaea mediated by type IV pili

M Ajon, S Fröls, M van Wolferen… - Molecular …, 2011 - Wiley Online Library
Archaea, like bacteria and eukaryotes, contain proteins involved in various mechanisms of
DNA repair, highlighting the importance of these processes for all forms of life. Species of …

Comparative analysis of the mosaic genomes of tailed archaeal viruses and proviruses suggests common themes for virion architecture and assembly with tailed …

M Krupovič, P Forterre, DH Bamford - Journal of molecular biology, 2010 - Elsevier
Tailed double-stranded DNA viruses (order Caudovirales) represent the dominant
morphotype among viruses infecting bacteria. Analysis and comparison of complete …

Bacterial and archaeal resistance to ionizing radiation

F Confalonieri, S Sommer - Journal of Physics: Conference …, 2011 - iopscience.iop.org
Organisms living in extreme environments must cope with large fluctuations of temperature,
high levels of radiation and/or desiccation, conditions that can induce DNA damage ranging …

Membrane lipid and expression responses of Saccharolobus islandicus REY15A to acid and cold stress

BK Chiu, J Waldbauer, FJ Elling, ÖZ Mete… - Frontiers in …, 2023 - frontiersin.org
Archaea adjust the number of cyclopentane rings in their glycerol dibiphytanyl glycerol
tetraether (GDGT) membrane lipids as a homeostatic response to environmental stressors …

Biochemical characterization and mutational analysis of the NurA protein from the hyperthermophilic euryarchaeon Thermococcus barophilus Ch5

G Ma, T Lin, P Cao, P Oger, K Dong, L Miao… - Research in …, 2024 - Elsevier
Archaeal NurA protein plays a key role in producing 3′-single stranded DNA used for
homologous recombination repair, together with HerA, Mre11, and Rad50. Herein, we …

Understanding DNA repair in hyperthermophilic Archaea: persistent gaps and other reasons to focus on the fork

DW Grogan - Archaea, 2015 - Wiley Online Library
Although hyperthermophilic archaea arguably have a great need for efficient DNA repair,
they lack members of several DNA repair protein families broadly conserved among bacteria …

Structure of the hexameric HerA ATPase reveals a mechanism of translocation-coupled DNA-end processing in archaea

NJ Rzechorzek, JK Blackwood, SM Bray… - Nature …, 2014 - nature.com
Abstract The HerA ATPase cooperates with the NurA nuclease and the Mre11–Rad50
complex for the repair of double-strand DNA breaks in thermophilic archaea. Here we …