Results 51 to 60 of about 2,275 (190)

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

Frontiers 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, Sabine Schwarzer, Friedhelm Pfeiffer, Mike Dyall-Smith, Mike Dyall-Smith, Marta Rodriguez-Franco, Hanna M. Oksanen, Tessa E. F. Quax   +7 more
doaj   +1 more source

Biochemical Characterization of the Amylase Activity from the New Haloarchaeal Strain Haloarcula sp. HS Isolated in the Odiel Marshlands

Biology, 2021
Alpha-amylases are a large family of α,1-4-endo-glycosyl hydrolases distributed in all kingdoms of life. The need for poly-extremotolerant amylases encouraged their search in extreme environments, where archaea become ideal candidates to provide new ...
Patricia Gómez-Villegas, Javier Vigara, Luis Romero, Cecilia Gotor, Sara Raposo, Brígida Gonçalves, Rosa Léon   +6 more
doaj   +1 more source

Denitrifying haloarchaea: sources and sinks of nitrogenous gases [PDF]

FEMS Microbiology Letters, 2017
Haloarchaea thrive under saline and hypersaline conditions and often dominate microbial communities in saltmarshes, salted lakes/soils and some oceanic areas. Some of the predominant species show denitrifying capabilities, although it remains unclear whether they are complete or partial denitrifiers.
Torregrosa-Crespo, Javier, Bergaust, Linda, Pire, Carmen, Martínez-Espinosa, Rosa María   +3 more
openaire   +3 more sources

Analysis of Carotenoids in Haloarchaea Species from Atacama Saline Lakes by High Resolution UHPLC-Q-Orbitrap-Mass Spectrometry: Antioxidant Potential and Biological Effect on Cell Viability

Antioxidants, 2021
Haloarchaea are extreme halophilic microorganisms belonging to the domain Archaea, phylum Euryarchaeota, and are producers of interesting antioxidant carotenoid compounds.
Catherine Lizama, Javier Romero-Parra, Daniel Andrade, Felipe Riveros, Jorge Bórquez, Shakeel Ahmed, Luis Venegas-Salas, Carolina Cabalín, Mario J. Simirgiotis   +8 more
doaj   +1 more source

Halovirus HF2 Intergenic Repeat Sequences Carry Promoters

Viruses, 2021
Halovirus HF2 was the first member of the Haloferacalesvirus genus to have its genome fully sequenced, which revealed two classes of intergenic repeat (IR) sequences: class I repeats of 58 bp in length, and class II repeats of 29 bp in length.
Brendan Russ, Friedhelm Pfeiffer, Mike Dyall-Smith   +2 more
doaj   +1 more source

How Do Haloarchaea Synthesize Aromatic Amino Acids?

PLoS ONE, 2014
Genomic analysis of H. salinarum indicated that the de novo pathway for aromatic amino acid (AroAA) biosynthesis does not follow the classical pathway but begins from non-classical precursors, as is the case for M. jannaschii. The first two steps in the pathway were predicted to be carried out by genes OE1472F and OE1475F, while the 3rd step follows ...
Gulko, Miriam Kolog, Dyall-Smith, Mike, Gonzalez, Orland, Oesterhelt, Dieter   +3 more
openaire   +7 more sources

Antimicrobial Effect of Kids Dentifrices on Streptococcus mutans and Lactobacillus acidophilus: An In-Vitro Study

Journal of Mazandaran University of Medical Sciences, 2022
Background and purpose: Dental caries is one of the most common bacterial diseases in childhood. Using proper dentifrice is suggested to reduce the incidence of this disease. The aim of this study was to investigate the antimicrobial effects of different
Maedeh Salehi, Tahereh Molania, Narges Nemati, Hamid Reza Goli, Azam Nahvi   +4 more
doaj  

A Small RNA Is Linking CRISPR–Cas and Zinc Transport

Frontiers in Molecular Biosciences, 2021
The function and mode of action of small regulatory RNAs is currently still understudied in archaea. In the halophilic archaeon Haloferax volcanii, a plethora of sRNAs have been identified; however, in-depth functional analysis is missing for most of ...
Pascal Märkle, Lisa-Katharina Maier, Sandra Maaß, Claudia Hirschfeld, Jürgen Bartel, Dörte Becher, Björn Voß, Anita Marchfelder   +7 more
doaj   +1 more source

The interaction between haloarchaea and their viruses [PDF]

The research findings in this thesis provide a first insight into the interaction between viruses and single-celled archaea. Archaea are common microorganisms that can survive in the most extreme places on earth, for instance in hot springs, salt lakes or in ‘black smokers’ at the bottom of the ocean.
Sabine Schwarzer
openalex   +3 more sources

The return of metabolism: biochemistry and physiology of glycolysis

Biological Reviews, EarlyView.
ABSTRACT Glycolysis is a fundamental metabolic pathway central to the bioenergetics and physiology of virtually all living organisms. In this comprehensive review, we explore the intricate biochemical principles and evolutionary origins of glycolytic pathways, from the classical Embden–Meyerhof–Parnas (EMP) pathway in humans to various prokaryotic and ...
Nana‐Maria Grüning, Federica Agostini, Camila Caldana, Johannes Hartl, Matthias Heinemann, Markus A. Keller, Jan Lukas Krüsemann, Costanza Lamperti, Carole L. Linster, Steffen N. Lindner, Julia Muenzner, Jens Nielsen, Zoran Nikoloski, Bettina Siebers, Jacky L. Snoep, Hezi Tenenboim, Bas Teusink, Spencer J. Williams, Mirjam M. C. Wamelink, Markus Ralser   +19 more
wiley   +1 more source