Results 31 to 40 of about 2,027 (126)

Amino acid substitutions in cold-adapted proteins from Halorubrum lacusprofundi, an extremely halophilic microbe from antarctica. [PDF]

open access: yesPLoS ONE, 2013
The halophilic Archaeon Halorubrum lacusprofundi, isolated from the perennially cold and hypersaline Deep Lake in Antarctica, was recently sequenced and compared to 12 Haloarchaea from temperate climates by comparative genomics.
Shiladitya Dassarma   +3 more
doaj   +1 more source

Genomic Analysis of Haloarchaea from Diverse Environments, including Permian Halite, Reveals Diversity of Ultraviolet Radiation Survival and DNA Photolyase Gene Variants

open access: yesMicroorganisms, 2023
Ultraviolet (UV) radiation responses of extremophilic and archaeal microorganisms are of interest from evolutionary, physiological, and astrobiological perspectives. Previous studies determined that the halophilic archaeon, Halobacterium sp. NRC-1, which
Sagorika Nag   +7 more
doaj   +1 more source

Halovirus HF2 Intergenic Repeat Sequences Carry Promoters

open access: yesViruses, 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   +2 more
doaj   +1 more source

Establishment of a Halophilic Bloom in a Sterile and Isolated Hypersaline Mesocosm

open access: yesMicroorganisms, 2023
Extreme environments, including hypersaline pools, often serve as biogeographical islands. Putative colonizers would need to survive transport across potentially vast distances of inhospitable terrain.
Matthew E. Rhodes   +4 more
doaj   +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

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

open access: yesJournal 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   +4 more
doaj  

The human gut archaeome: identification of diverse haloarchaea in Korean subjects

open access: yesMicrobiome, 2020
Background Archaea are one of the least-studied members of the gut-dwelling autochthonous microbiota. Few studies have reported the dominance of methanogens in the archaeal microbiome (archaeome) of the human gut, although limited information regarding ...
Joon Yong Kim   +14 more
doaj   +1 more source

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

Iterative Genome Engineering Platform Enables Efficient Sucrose Biosynthesis From CO2 in Photosynthetic Synechococcus elongatus UTEX 2973

open access: yesPlant Biotechnology Journal, EarlyView.
ABSTRACT The single crossover occurring via homologous recombination is a common phenomenon existing among microbes like Escherichia coli, Bacillus subtilis, Vibrio natriegens, Gluconobacter oxydans and most cyanobacteria species, threatening the stability of engineered strains and challenging iterative genetic engineering. Among them, we take the fast‐
Shubin Li   +5 more
wiley   +1 more source

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

open access: yesBiology, 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   +6 more
doaj   +1 more source

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