Results 41 to 50 of about 506 (136)

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

Cellular and Genomic Properties of Haloferax gibbonsii LR2-5, the Host of Euryarchaeal Virus HFTV1

open access: yesFrontiers in Microbiology, 2021
Hypersaline environments are the source of many viruses infecting different species of halophilic euryarchaea. Information on infection mechanisms of archaeal viruses is scarce, due to the lack of genetically accessible virus–host models. Recently, a new
Colin Tittes   +7 more
doaj   +1 more source

Insights into subunit interactions in the Sulfolobus acidocaldarius archaellum cytoplasmic complex [PDF]

open access: bronzeThe FEBS Journal, 2013
Archaella are the archaeal motility structure that is the functional pendant of the bacterial flagellum but is assembled by a mechanism similar to that for type IV pili. Recently, it was shown by Banerjee et al. that FlaX, a crenarchaeal archaellum subunit from Sulfolobus acidocaldarius, forms a ring‐like oligomer, and it was proposed that this ring ...
Ankan Banerjee   +3 more
openalex   +6 more sources

ArnS, a kinase involved in starvation‐induced archaellum expression [PDF]

open access: hybridMolecular Microbiology, 2016
SummaryOrganisms have evolved motility organelles that allow them to move to favourable habitats. Cells integrate environmental stimuli into intracellular signals to motility machineries to direct this migration. Many motility organelles are complex surface appendages that have evolved a tight, hierarchical regulation of expression.
M. Florencia Haurat   +8 more
openalex   +5 more sources

Decipering the subunit interaction in the crenarchaeal archaellum

open access: green, 2015
The archaeal motility structure, the archaellum is an intriguing hybrid of the function and architecture of two distinct motility organelles, the bacterial flagellum and the T4P, respectively. This rotating T4P is an astonishing example of evolutionary adaptation and represents indeed a unique, third way to move.
Tomasz Neiner
openalex   +4 more sources

The Phosphatase PP2A Interacts With ArnA and ArnB to Regulate the Oligomeric State and the Stability of the ArnA/B Complex

open access: yesFrontiers in Microbiology, 2020
In the crenarchaeon Sulfolobus acidocaldarius, the archaellum, a type-IV pilus like motility structure, is synthesized in response to nutrient starvation. Synthesis of components of the archaellum is controlled by the archaellum regulatory network (arn).
Xing Ye   +10 more
doaj   +1 more source

Living electronics: A catalogue of engineered living electronic components

open access: yesMicrobial Biotechnology, Volume 16, Issue 3, Page 507-533, March 2023., 2023
Biology leverages a range of electrical phenomena to extract and store energy, control molecular reactions and enable multicellular communication. Recently, the microbial machinery enabling these redox reactions have been leveraged for interfacing cells and biomolecules with electrical circuits for biotechnological applications.
Joshua T. Atkinson   +3 more
wiley   +1 more source

Putative Extracellular Electron Transfer in Methanogenic Archaea

open access: yesFrontiers in Microbiology, 2021
It has been suggested that a few methanogens are capable of extracellular electron transfers. For instance, Methanosarcina barkeri can directly capture electrons from the coexisting microbial cells of other species.
Kailin Gao, Yahai Lu
doaj   +1 more source

Horizontal gene transfer of the functional archaellum machinery to Bacteria [PDF]

open access: gold
Motility in Archaea is driven by a nanomachinery called the archaellum. So far, archaella have been exclusively described for the archaeal domain; however, a recent study reported the presence of archaellum gene clusters in bacterial strains of the SAR202 clade (Chloroflexota).
Shamphavi Sivabalasarma   +6 more
openalex   +2 more sources

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