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Archaea[Mesh] AND Archae*[Title]: Latest results from PubMed
Feed URL: pubmed.ncbi.nlm.nih.gov/rss/search/16EwU9ZeEIANzsrP2gRL47TNxvOdCvf5vaH0OBd6Y5UhJbHUUl/#TeamArchaea
Posts: 10
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Balancing stability and flexibility when reshaping archaeal membranes
Published: October 7, 2025 10:00
Cellular membranes differ across the tree of life. In most bacteria and eukaryotes, single-headed lipids self-assemble into flexible bilayer membranes. By contrast, thermophilic archaea tend to possess bilayer lipids together with double-headed, monolayer…
Cryo-EM resolves the structure of the archaeal dsDNA virus HFTV1 from head to tail
Published: October 3, 2025 10:00
While archaeal viruses show a stunning diversity of morphologies, many bear a notable resemblance to tailed bacterial phages. This raises fundamental questions: Do all tailed viruses share a common origin and do they infect their hosts in similar ways?…
The Viral AlphaFold Database of monomers and homodimers reveals conserved protein folds in viruses of bacteria, archaea, and eukaryotes
Published: October 1, 2025 10:00
Viruses are the most abundant and genetically diverse entities on Earth, yet the functions and evolution of most viral proteins remain poorly understood. Their rapid evolution often obscures evolutionary relationships, limiting the ability to assign…
Uncovering the prevalence, key biogenesis enzymes, and biological significance of archaeal lipoproteins
Published: September 25, 2025 10:00
Lipid-anchored proteins are integral components of cell surfaces. In bacteria, lipidation of proteins with a conserved lipobox motif ([L/V/I]^(-3) [A/S/T/V/I]^(-2) [G/A/S]^(-1) [C]^(+1)) is catalyzed by prolipoprotein diacylglyceryl transferase (Lgt).…
Enhancing the in vitro anticancer efficacy of Paclitaxel against triple-negative breast cancer via an exopolysaccharide from a haloalkaliphilic archaeal strain
Published: September 23, 2025 10:00
Exopolysaccharides (EPSs) produced by haloalkaliphilic archaea exhibit unique properties contributing to varied industrial and medicinal applications. This study explored the anticancer therapeutic potential of an EPS derived from a haloalkaliphilic…
Type II toxin-antitoxin systems as stress-responsive survival circuits in archaea and bacteria
Published: September 19, 2025 10:00
Simple early lifeforms with relatively small genomes were evolved with certain genetic circuitry to better their stress-response mechanism which significantly enhances their survival during stress, hypothetically. In this review, we conducted a…
Biofilm lifestyle across different lineages of ammonia-oxidizing archaea
Published: September 9, 2025 10:00
Although ammonia-oxidizing archaea (AOA) are globally distributed in nature, growth in biofilms has been relatively little explored. Here, we investigated six representatives of three different terrestrial and marine clades of AOA in a longitudinal and…
Circular RNAs in Archaea
Published: August 31, 2025 10:00
Circular RNA molecules were first described more than 40 years ago. However, it is only recently that the broadness of their phylogenetic distribution has been revealed. Since their discoveries, numerous studies have characterized the molecular mechanisms…
Structural basis of substrate diversity and functional evolution of archaeal RNA-splicing endonucleases
Published: August 30, 2025 10:00
Maturation of transfer RNA molecules often requires removal of intronic sequences by endonucleases that recognize diverse RNA secondary structures. Archaeal splicing endonucleases [versatile RNA-splicing endonucleases (VSENs)] exhibit remarkable substrate…
Optimization of copper bioremoval from hypersaline environments by the halophilic archaeon Halalkalicoccus sp. Dap5 via response surface methodology
Published: August 27, 2025 10:00
Copper pollution in hypersaline environments poses a significant challenge due to the inefficiency of conventional bioremediation strategies under high salinity and metal stress. Halophilic archaea represent a promising solution for heavy metal removal in…