Results 51 to 60 of about 14,198 (193)

Electron cryo-microscopy reveals the structure of the archaeal thread filament

open access: yesNature Communications, 2022
Pili are filamentous appendages on the surface of bacteria and archaea, and play roles in multiple processes such as adhesion, motility and horizontal gene transfer. Here, Gaines et al. describe the structure of a new type of pilus, termed ‘thread’, from
Matthew C. Gaines   +10 more
doaj   +1 more source

Biological Membranes in Extreme Conditions: Simulations of Anionic Archaeal Tetraether Lipid Membranes. [PDF]

open access: yesPLoS ONE, 2016
In contrast to the majority of organisms that have cells bound by di-ester phospholipids, archaeal membranes consist of di- and tetraether phospholipids.
Luis Felipe Pineda De Castro   +2 more
doaj   +1 more source

Sulfolobus acidocaldarius adhesion pili power twitching motility in the absence of a dedicated retraction ATPase

open access: yesbioRxiv, 2023
Type IV pili are ancient and widespread filamentous organelles found in most bacterial and archaeal phyla where they support a wide range of functions, including substrate adhesion, DNA uptake, self aggregation, and cell motility.
Arthur Charles-Orszag   +4 more
semanticscholar   +2 more sources

Sulfolobus acidocaldarius

open access: yes, 2013
Raw data files of Sulfolobus acidocaldarius<strong>Tilt Series Date:</strong> 2013-10-21</p> <strong>Data Taken By:</strong> Rasika Ramdasi</p> <strong>Species / Specimen:</strong> Sulfolobus acidocaldarius&
Ramdasi, Rasika
core   +3 more sources

Species-Specific Recognition of Sulfolobales Mediated by UV-Inducible Pili and S-Layer Glycosylation Patterns

open access: yesmBio, 2020
The UV-inducible pili system of Sulfolobales (Ups) mediates the formation of species-specific cellular aggregates. Within these aggregates, cells exchange DNA to repair DNA double-strand breaks via homologous recombination. Substitution of the Sulfolobus
Marleen van Wolferen   +8 more
doaj   +1 more source

Structural basis of RNA polymerase inhibition by viral and host factors

open access: yesNature Communications, 2021
Understanding the structural basis for the inhibition of archaeal eukaryotic-like RNA polymerases (RNAPs) during virus infection is of interest for drug design.
Simona Pilotto   +9 more
doaj   +1 more source

Two membrane-bound transcription factors regulate expression of various type-IV-pili surface structures in Sulfolobus acidocaldarius [PDF]

open access: yesPeerJ, 2019
In Archaea and Bacteria, gene expression is tightly regulated in response to environmental stimuli. In the thermoacidophilic crenarchaeon Sulfolobus acidocaldarius nutrient limitation induces expression of the archaellum, the archaeal motility structure.
Lisa Franziska Bischof   +2 more
doaj   +2 more sources

Ultrastructural Characteristics of Sulfolobus acidocaldarius [PDF]

open access: yesMicrobiology, 1982
Summary: Isolates of Sulfolobus acidocaldarius from thermal areas in the United States and New Zealand were examined. Cell shape was growth phase-dependent and pleomorphism was more characteristic of certain isolates than of others. Cells prepared for electron microscopy by means which avoided centrifugation exhibited the lobate structure typical of ...
M. A. Mcclure, R. W. G. Wyckoff
openaire   +1 more source

Heat shock response in Sulfolobus acidocaldarius and first implications for cross-stress adaptation.

open access: yesResearch in Microbiology, 2023
Sulfolobus acidocaldarius, a thermoacidophilic crenarchaeon, frequently encounters temperature fluctuations, oxidative stress, and nutrient limitations in its environment.
Arghya Bhowmick   +7 more
semanticscholar   +1 more source

A Second Terminal Oxidase in Sulfolobus acidocaldarius [PDF]

open access: yesEuropean Journal of Biochemistry, 1994
We previously found that the soxABCD operon encodes a quinol oxidase complex in Sulfolobus acidocaldarius and this enzyme was purified and characterized. In this study, we have used a cloning procedure based on the conservation of oxidase sequences and the polymerase chain reaction to isolate a new gene (soxM) encoding a subunit of another terminal ...
Lubben, M.   +5 more
openaire   +3 more sources

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