Results 51 to 60 of about 916 (134)

Enzymatic and microbial routes to bioplastics: The green chemistry frontier of biopolymers

open access: yesFEBS Open Bio, Volume 16, Issue 4, Page 709-726, April 2026.
Microbial biosynthesis and engineered enzyme platforms are expanding the design space of polyhydroxyalkanoate bioplastics. By combining fermentation, PHA synthase engineering and cell‐free modular systems, tailored biodegradable polymers can be produced with tunable properties, supporting more sustainable materials and future circular bioeconomy ...
Giovanni Gallo   +4 more
wiley   +1 more source

A New Era for Using Natural Pigments: The Case of the C50 Carotenoid Called Bacterioruberin

open access: yesBiotechnology and Applied Biochemistry, Volume 73, Issue 2, Page 913-926, April 2026.
ABSTRACT Haloarchaea are extremophilic microorganisms belonging to the Archaea domain that require high salt concentrations to live, thus inhabiting ecosystems like salty ponds, salty marshes, or extremely salty lagoons. They are more abundant and widely distributed worldwide than initially expected.
Micaela Giani   +5 more
wiley   +1 more source

In Silico Analysis of the Enzymes Involved in Haloarchaeal Denitrification

open access: yesBiomolecules, 2021
During the last century, anthropogenic activities such as fertilization have led to an increase in pollution in many ecosystems by nitrogen compounds. Consequently, researchers aim to reduce nitrogen pollutants following different strategies.
Eric Bernabeu   +5 more
doaj   +1 more source

Characterization and Functional Evaluation of Carotenoids From Haloarcula rubripromontorii BS2

open access: yesMicrobiologyOpen, Volume 15, Issue 1, February 2026.
Fractionation and comprehensive characterization of C50 carotenoids from Haloarcula rubripromontorii BS2, identified all‐trans bacterioruberin as the predominant isomer. The haloarchaeal carotenoid exhibited strong antioxidant activity, photostability in oil and was biocompatible with human keratinocytes, highlighting their potential as sustainable ...
Devika N. Nagar   +3 more
wiley   +1 more source

Investigations into the characterization, degradation, and applications of biodegradable polymers by mass spectrometry

open access: yesMass Spectrometry Reviews, Volume 44, Issue 6, Page 947-988, November/December 2025.
Abstract Biodegradable polymers have been getting more and more attention because of their contribution to the plastic pollution environmental issues and to move towards a circular economy. Nevertheless, biodegradable materials still exhibit various disadvantages restraining a widespread use in the market.
Paola Rizzarelli   +2 more
wiley   +1 more source

Properties Of The Plasma Membrane Atpases Of The Halophilic Archaebacteria Haloferax Mediterranei And Haloferax Volcanii

open access: yesZeitschrift für Naturforschung C, 1992
Both, Haloferax mediterranei and Haloferax volcanii membranes contain ATPases which are capable of hydrolyzing ATP in presence of Mg2+ or Mn2+. The ATPases require high concentrations of NaCl, a pH value of 9, and high temperatures up to 60 °C. Free manganese ions inhibited the enzyme activity of either ATPase. The ATPases of Hf.
Michaela Dane   +4 more
openaire   +1 more source

Assimilatory nitrate reductase from the haloarchaeon Haloferax mediterranei: purification and characterisation [PDF]

open access: yesFEMS Microbiology Letters, 2001
Haloferax mediterranei can use nitrate as sole nitrogen source during aerobic growth. We report here the purification and biochemical characterisation of the assimilatory nitrate reductase (EC 1.6.6.2) from H. mediterranei. The enzyme, as isolated, was composed of two subunits (105+/-1.3 kDa and 50+/-1.3 kDa) and behaved as a dimer during gel ...
R M, Martínez-Espinosa   +2 more
openaire   +2 more sources

The Function of Gas Vesicles in Halophilic Archaea and Bacteria: Theories and Experimental Evidence

open access: yesLife, 2012
A few extremely halophilic Archaea (Halobacterium salinarum, Haloquadratum walsbyi, Haloferax mediterranei, Halorubrum vacuolatum, Halogeometricum borinquense, Haloplanus spp.) possess gas vesicles that bestow buoyancy on the cells. Gas vesicles are also
Aharon Oren
doaj   +1 more source

Small RNAs of Haloferax mediterranei: Identification and Potential Involvement in Nitrogen Metabolism. [PDF]

open access: yesGenes (Basel), 2018
Small RNAs have been studied in detail in domains Bacteria and Eukarya but, in the case of the domain Archaea, the knowledge is scarce and the physiological function of these small RNAs (sRNAs) is still uncertain. To extend the knowledge of sRNAs in the domain Archaea and their possible role in the regulation of the nitrogen assimilation metabolism in ...
Payá G   +6 more
europepmc   +5 more sources

A protease-precursor system drives synergistic antagonism in haloarchaea

open access: yesmBio
Antagonistic competition is a crucial survival strategy for microorganisms sharing ecological niches, playing a key role in shaping microbial communities and influencing biogeochemical cycles.
Rui Wang   +9 more
doaj   +1 more source

Home - About - Disclaimer - Privacy