RSS Parrot

Large-scale comparative genomics of chitin metabolism in extremely halophilic archaea from the Halobacteria class

https://pubmed.ncbi.nlm.nih.gov/42237018/?utm_source=RSS-Parrot-Bot&utm_medium=rss&utm_campaign=None&utm_content=16EwU9ZeEIANzsrP2gRL47TNxvOdCvf5vaH0OBd6Y5UhJbHUUl&fc=None&ff=20260609154320&v=2.20.0

Published: June 3, 2026 10:00

Chitin is the second most abundant polysaccharide and can serve as a carbon and nitrogen source for microorganisms in various ecosystems, including hypersaline environments. However, chitin metabolism in extremely halophilic archaea of the class…

Polyphosphate affects the growth and methanogenesis of deep-sea methanogenic archaea

https://pubmed.ncbi.nlm.nih.gov/42224606/?utm_source=RSS-Parrot-Bot&utm_medium=rss&utm_campaign=None&utm_content=16EwU9ZeEIANzsrP2gRL47TNxvOdCvf5vaH0OBd6Y5UhJbHUUl&fc=None&ff=20260605201724&v=2.20.0

Published: June 1, 2026 10:00

Microorganisms employ inorganic polyphosphate (polyP) as an ancient strategy for energy and phosphate storage, yet its physiological roles in methanogenic archaea remain largely unexplored. Here, we report that polyP metabolism is coupled to growth and…

Successive waves of transcriptional repression and de-repression license cell cycle progression in an archaeon

https://pubmed.ncbi.nlm.nih.gov/42179039/?utm_source=RSS-Parrot-Bot&utm_medium=rss&utm_campaign=None&utm_content=16EwU9ZeEIANzsrP2gRL47TNxvOdCvf5vaH0OBd6Y5UhJbHUUl&fc=None&ff=20260525100533&v=2.20.0

Published: May 25, 2026 10:00

Archaea of the order Sulfolobales execute a well-structured cell cycle program similar to that of eukaryotic cells. Here, we show that three ribbon-helix-helix domain transcription factors, aCcr1, aCcr2, and aCcr3, play pivotal roles in controlling the…

New lineages provide insights into the convergent evolution of extreme salt adaptation within symbiotic Archaea

https://pubmed.ncbi.nlm.nih.gov/42139541/?utm_source=RSS-Parrot-Bot&utm_medium=rss&utm_campaign=None&utm_content=16EwU9ZeEIANzsrP2gRL47TNxvOdCvf5vaH0OBd6Y5UhJbHUUl&fc=None&ff=20260522085423&v=2.20.0

Published: May 15, 2026 10:00

Environmental genomics has led to the discovery of many new lineages of archaea, including "DPANN" (or Nanobdellati), comprising organisms with small genomes, reduced gene content, and potentially symbiotic or parasitic lifestyles. DPANN live in various…

Resistance of the Archaeal Community to a Severe Disturbance in an Extreme Alkaline Saline Soil

https://pubmed.ncbi.nlm.nih.gov/42126639/?utm_source=RSS-Parrot-Bot&utm_medium=rss&utm_campaign=None&utm_content=16EwU9ZeEIANzsrP2gRL47TNxvOdCvf5vaH0OBd6Y5UhJbHUUl&fc=None&ff=20260513145120&v=2.20.0

Published: May 13, 2026 10:00

An extreme disturbance, i.e. a 1-day chloroform fumigation, had a strong impact on the bacterial community structure in an extreme saline alkaline soil, but how Archaea respond to such an event is largely unknown. Three alkaline saline soils with…

Dysbiosis of Gut Archaea is Associated with Obesity and Could be Recovered after Bariatric Surgery

https://pubmed.ncbi.nlm.nih.gov/42104663/?utm_source=RSS-Parrot-Bot&utm_medium=rss&utm_campaign=None&utm_content=16EwU9ZeEIANzsrP2gRL47TNxvOdCvf5vaH0OBd6Y5UhJbHUUl&fc=None&ff=20260509082138&v=2.20.0

Published: May 9, 2026 10:00

CONCLUSION: This is the first study to demonstrate that obesity is characterized by gut archaeal dysbiosis across multiple cohorts. Bariatric surgery-induced weight loss is associated with significant changes in the gut archaea.

Mobile intron RNA from a bacterial predator accumulates in dead archaeal cells

https://pubmed.ncbi.nlm.nih.gov/42098263/?utm_source=RSS-Parrot-Bot&utm_medium=rss&utm_campaign=None&utm_content=16EwU9ZeEIANzsrP2gRL47TNxvOdCvf5vaH0OBd6Y5UhJbHUUl&fc=None&ff=20260508023826&v=2.20.0

Published: May 7, 2026 10:00

Introns in prokaryotes are classified as mobile genetic elements normally located within essential genes. Their RNA transcripts are functional if spliced by the intron´s ribozyme activity. The excised intron RNA is assumed to proliferate by leaving the…

Archaeal family B DNA polymerase facilitates lagging strand DNA replication in the Thermococcales

https://pubmed.ncbi.nlm.nih.gov/42080262/?utm_source=RSS-Parrot-Bot&utm_medium=rss&utm_campaign=None&utm_content=16EwU9ZeEIANzsrP2gRL47TNxvOdCvf5vaH0OBd6Y5UhJbHUUl&fc=None&ff=20260504145153&v=2.19.0.post6+133c1fe

Published: May 4, 2026 10:00

Replicative DNA synthesis is distributed among several DNA polymerases (DNAPs) in both Bacteria and Eukarya. The division of synthesis permits specialized activities of unique DNAPs to facilitate rapid replication in a continuous manner on the leading…

Proteome-wide mapping of cysteine persulfidation in deep-sea hyperthermophilic archaea

https://pubmed.ncbi.nlm.nih.gov/42071045/?utm_source=RSS-Parrot-Bot&utm_medium=rss&utm_campaign=None&utm_content=16EwU9ZeEIANzsrP2gRL47TNxvOdCvf5vaH0OBd6Y5UhJbHUUl&fc=None&ff=20260504014800&v=2.19.0.post6+133c1fe

Published: May 3, 2026 10:00

Protein persulfidation, a major post-translational modification mediated by the gaseous signaling molecule hydrogen sulfide (H₂S), regulates diverse physiological processes in eukaryotes and bacteria. However, its existence and functional roles in archaea,…

Reconstitution of Archaeal Membrane Lipid Biosynthesis in Bacterial and Eukaryotic Hosts

https://pubmed.ncbi.nlm.nih.gov/42046273/?utm_source=RSS-Parrot-Bot&utm_medium=rss&utm_campaign=None&utm_content=16EwU9ZeEIANzsrP2gRL47TNxvOdCvf5vaH0OBd6Y5UhJbHUUl&fc=None&ff=20260428092338&v=2.19.0.post6+133c1fe

Published: April 28, 2026 10:00

The membrane lipids of archaea differ from those of bacteria and eukarya in backbone stereochemical configuration, chemical linkage type, and hydrophobic chain structure, a fundamental dichotomy termed the lipid divide. Synthetic biology and metabolic…