Results 41 to 50 of about 4,655 (209)

Evidence from phylogenetic and genome fingerprinting analyses suggests rapidly changing variation in Halorubrum and Haloarcula populations

open access: yesFrontiers in Microbiology, 2014
Halobacteria require high NaCl concentrations for growth and are the dominant inhabitants of hypersaline environments above 15% NaCl. They are well documented to be highly recombinogenic, both in frequency and in the range of exchange partners.
Nikhil eRam Mohan   +7 more
doaj   +1 more source

The PL6-Family Plasmids of Haloquadratum Are Virus-Related

open access: yesFrontiers in Microbiology, 2018
Plasmids PL6A and PL6B are both carried by the C23T strain of the square archaeon Haloquadratum walsbyi, and are closely related (76% nucleotide identity), circular, about 6 kb in size, and display the same gene synteny. They are unrelated to other known
Mike Dyall-Smith   +2 more
doaj   +1 more source

Identification of acetylated diether lipids in halophilic Archaea

open access: yesMicrobiologyOpen, 2022
As a hallmark of Archaea, their cell membranes are comprised of ether lipids. However, Archaea‐type ether lipids have recently been identified in Bacteria as well, with a somewhat different composition: In Bacillales, sn‐glycerol 1‐phosphate is ...
Cosimo Kropp   +6 more
doaj   +1 more source

Requirements for, and Cytoplasmic Concentrations of, Sulphate and Chloride, and Cytoplasmic Volume Spaces in the Halophilic Bacterium Ectothiorhodospira mobilis [PDF]

open access: yes, 1989
Ectothiorhodospira mobilis is a halophilic phototrophic bacterium that has been isolated from soda lakes containing high concentrations of sulphate, chloride and carbonates.
Imhoff, Johannes F., Riedel, Thomas
core   +1 more source

First Report of Drought-Tolerant Halobacteria Associated with Agave potatorum Zucc

open access: yesAgronomy
The rhizosphere microbiota of arid plants plays a crucial role in adaptation to environmental stress. However, few studies have characterized microorganisms associated with Agave species and their contribution to resilience against salinity and drought ...
Jessie Hernández-Canseco   +4 more
doaj   +1 more source

ADP-Dependent Kinases From the Archaeal Order Methanosarcinales Adapt to Salt by a Non-canonical Evolutionarily Conserved Strategy

open access: yesFrontiers in Microbiology, 2018
Halophilic organisms inhabit hypersaline environments where the extreme ionic conditions and osmotic pressure have driven the evolution of molecular adaptation mechanisms. Understanding such mechanisms is limited by the common difficulties encountered in
Felipe Gonzalez-Ordenes   +8 more
doaj   +1 more source

Biological properties of carotenoids extracted from Halobacterium halobium isolated from a Tunisian solar saltern [PDF]

open access: yes, 2013
Background: Bioactive molecules have received increasing attention due to their nutraceutical attributes and anticancer, antioxidant, antiproliferative and apoptosis-inducing properties.
Abbes, M   +6 more
core   +1 more source

Phylogenomics of Haloarchaea: The Controversy of the Genera Natrinema-Haloterrigena

open access: yesFrontiers in Microbiology, 2021
The haloarchaeal genera Natrinema and Haloterrigena were described almost simultaneously by two different research groups and some strains studied separately were described as different species of these genera.
Rafael R. de la Haba   +4 more
doaj   +1 more source

A distinct gene expression mechanism for d‐amino acid utilization in hyperthermophilic archaeon Pyrococcus horikoshii

open access: yesThe FEBS Journal, EarlyView.
The genes PH0137, PH0138, and PH0140 form a cluster in the genome of Pyrococcus horikoshii. The PH0140 gene encodes a transcription factor identified as a d‐amino acid‐responsive regulatory protein (DARP). In feast mode, l‐Ile‐bound DARP binds to the promoter and represses transcription of PH0137 and PH0138. In famine mode, DARP binds to d‐allo‐Ile and
Ryushi Kawakami   +6 more
wiley   +1 more source

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