Results 71 to 80 of about 1,318 (179)

The Metagenome-Derived Enzymes LipS and LipT Increase the Diversity of Known Lipases [PDF]

open access: yes, 2012
Triacylglycerol lipases (EC 3.1.1.3) catalyze both hydrolysis and synthesis reactions with a broad spectrum of substrates rendering them especially suitable for many biotechnological applications.
Bongen, Patrick   +17 more
core   +4 more sources

Airborne Halophilic and Non‐Halophilic Microbial Communities in an Underground Salt Mine Affected by Seasonal Environmental Fluctuations

open access: yesEnvironmental Microbiology Reports, Volume 18, Issue 1, February 2026.
This study tests seasonal controls on airborne microbes in the UNESCO‐listed Bochnia Salt Mine. In summer, relative humidity exceeded the halite deliquescence threshold, coinciding with higher NaCl aerosol and greater densities of halophilic microbes; in winter, humidity stayed below deliquescence and halophilic microbes declined at least 13‐fold while
Aleksandra Puławska   +9 more
wiley   +1 more source

Cellulases from thermophiles found by metagenomics [PDF]

open access: yes, 2018
[Abstract] Cellulases are a heterogeneous group of enzymes that synergistically catalyze the hydrolysis of cellulose, the major component of plant biomass.
Becerra, Manuel   +5 more
core   +2 more sources

Microbial exopolysaccharide production by polyextremophiles in the adaptation to multiple extremes

open access: yesFEBS Letters, Volume 599, Issue 23, Page 3417-3443, December 2025.
Polyextremophiles are microorganisms that endure multiple extreme conditions by various adaptation strategies that also include the production of exopolysaccharides (EPSs). This review provides an integrated perspective on EPS biosynthesis, function, and regulation in these organisms, emphasizing their critical role in survival and highlighting their ...
Tracey M Gloster, Ebru Toksoy Öner
wiley   +1 more source

A polyextremophilic alcohol dehydrogenase from the Atlantis II Deep Red Sea brine pool

open access: yesFEBS Open Bio, Volume 9, Issue 2, Page 194-205, February 2019., 2019
A polyextremophilic alcohol dehydrogenase (ADH) was identified from single amplified genomes of the Atlantis II brine pool and was characterized in terms of activity and stability. The ADH was stable under high temperatures and hypersaline conditions, tolerated organic solvents, and preferably converted cinnamyl alcohol derivatives.
Anastassja L. Akal   +7 more
wiley   +1 more source

Mining Thermophile Genomes for New PETases with Exceptional Thermostabilities Using Sequence Similarity Networks

open access: yesChemBioChem, Volume 26, Issue 12, June 16, 2025.
Targeted genome mining identified thermostable enzymes (PETases) that hydrolyze the commonly used plastic polymer polyethylene terephthalate (PET). Thermostable enzymes are identified from thermophilic microbial sources. Experimental results reveal enzymatic activity on authentic PET films, highlighting potential for industrial application.
Zhenyu Hu   +4 more
wiley   +1 more source

ProteoSeeker: A Feature‐Rich Metagenomic Analysis Tool for Accessible and Comprehensive Metagenomic Exploration

open access: yesAdvanced Science, Volume 12, Issue 19, May 22, 2025.
ProteoSeeker is a new metagenomic analysis tool that accelerates protein discovery. By automating key steps, it reduces computational complexity and enables comprehensive dataset analysis, performing protein identification, screening based on user‐defined protein families, and taxonomic analysis.
Georgios Filis   +6 more
wiley   +1 more source

UV Resistance and Photoreactivation of Extremophiles from High-Altitude Andean Lakes [PDF]

open access: yes, 2013
He HAAL are natural laboratories for exploring and monitoring in situ interactions between the geophysical environment and the dynamics of biodiversity.
Albarracín, Virginia Helena   +2 more
core   +1 more source

Kinetics of Halophilic Enzymes [PDF]

open access: yes, 2018
Hypersaline environments are those with salt concentrations 9–10 times higher (30–35% of NaCl) than sea water (3.5% of NaCl). At high concentrations of soluble salts, cytoplasm—mainly of bacteria and archaea—is exposed to high ionic strength and achieves
Cira-Chávez, Luis Alberto   +5 more
core   +2 more sources

Utilization of formic acid by extremely thermoacidophilic archaea species

open access: yesMicrobial Biotechnology, Volume 17, Issue 9, September 2024.
Our work explores formic acid metabolism in extreme microorganisms, novel hosts that hold promise for biomanufacturing distinct products including thermostable enzymes and lipids. We investigated formic acid tolerance and utilization in archaea species within the Sulfolobus genus, and novel bioreactor culturing methods to overcome formic acid toxicity.
Sara Tejedor‐Sanz   +2 more
wiley   +1 more source

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