Results 41 to 50 of about 1,702 (165)

Quantification of depth‐dependent microbial growth in encapsulated systems

open access: yesMicrobial Biotechnology, 2023
Encapsulated systems have been widely used in environmental applications to selectively retain and protect microorganisms. The permeable matrix used for encapsulation, however, limits the accessibility of existing analytical methods to study the ...
Zhiyue Wang   +2 more
doaj   +1 more source

Integration of Nitrifying, Photosynthetic and Animal Compartments at the MELiSSA Pilot Plant

open access: yesFrontiers in Astronomy and Space Sciences, 2021
MELiSSA (Micro Ecological Life Support System Alternative) is developing bioregenerative Life Support technologies for long-term Space missions. The MELiSSA concept is conceived as a loop with several compartments, each one performing a specific function,
David Garcia-Gragera   +11 more
doaj   +1 more source

Three Decades of Soil N2O Research—Insights and Gaps

open access: yesGlobal Change Biology, Volume 32, Issue 8, August 2026.
Progress in N2O Research and Key Breakthroughs and Transitions from 1990 to 2025 across three domains: (A) process understanding, (B) microbial ecology, and (C) modelling of soil N2O emissions. ABSTRACT Nitrous oxide (N2O) is a potent greenhouse gas (GHG) whose atmospheric concentration continues to rise, largely driven by nitrogen (N) inputs to ...
Klaus Butterbach‐Bahl   +5 more
wiley   +1 more source

Influence of Nanomaterials and Nanocomposites on the Nutrient Composition

open access: yesFood Safety and Health, Volume 4, Issue 3, Page 600-620, July 2026.
Nanomaterials and nanocomposites enhance crop nutrition and food quality by improving nutrient availability, plant uptake, and bioavailability through controlled delivery and nano‐encapsulation. Their applications in agriculture and food systems enable sustainable biofortification, improved preservation, and functional foods, while emphasizing safety ...
Akanksha Dwivedi   +4 more
wiley   +1 more source

Strategies of Nitrosomonas europaea 19718 to counter low dissolved oxygen and high nitrite concentrations

open access: yesBMC Microbiology, 2010
Background Nitrosomonas europaea is a widely studied chemolithoautotrophic ammonia oxidizing bacterium. While significant work exists on the ammonia oxidation pathway of N.
Chandran Kartik, Yu Ran
doaj   +1 more source

A Novel Polyphosphate‐Degrading Enzyme Confers Growth on Exogenous Polyphosphate in the Archaeon Haloferax volcanii

open access: yesEnvironmental Microbiology, Volume 28, Issue 7, July 2026.
A novel polyP‐degrading enzyme with an activity differing from those currently known was found in Haloferax volcanii, conferring the ability for this microbe to grow on extracellular polyP. These findings further our understanding of the potential ecological roles of polyP and how archaea metabolise this essential biopolymer.
Jack W. F. Nicholls   +4 more
wiley   +1 more source

The Small Metal-Binding Protein SmbP Improves the Expression and Purification of the Recombinant Antitumor-Analgesic Peptide from the Chinese Scorpion Buthus martensii Karsch in Escherichia coli

open access: yesCurrent Issues in Molecular Biology, 2022
We have recently shown that SmbP, the small metal-binding protein of Nitrosomonas europaea, can be employed as a fusion protein to express and purify recombinant proteins and peptides in Escherichia coli.
Evelyn Martinez-Mora   +5 more
doaj   +1 more source

The Soluble Cytochrome Oxidase of Nitrosomonas europaea [PDF]

open access: yesMicrobiology, 1983
SUMMARY: The soluble cytochrome oxidase of Nitrosomonas europaea has been highly purified and shown to be a copper protein devoid of haem, not a cytochrome o as was previously assumed. The native molecular weight was 120000 and the subunit molecular weight 35000.
D. J. Miller, P. M. Wood
openaire   +1 more source

Linking Abundance and Activity of Ammonia‐Oxidising Bacteria and Archaea in an Agriculturally Impacted First‐Order Stream

open access: yesEnvironmental Microbiology, Volume 28, Issue 7, July 2026.
Ammonia‐oxidising archaea (AOA) and bacteria (AOB) coexist in streambed sediments, but their contributions to nitrification remain unresolved. Using field sampling, sequencing, qPCR, microcosm incubations and modelling, we show that AOB dominated nitrification in streambed sediments despite lower abundance, emphasizing the importance of distinguishing ...
Zhe Wang   +6 more
wiley   +1 more source

Triclosan biodegradation performance of adapted mixed cultures in batch and continuous operating systems at high-concentration levels

open access: yesCleaner Engineering and Technology, 2021
Pollutants like triclosan (TCS) of medium to high logKow value tend to be mainly adsorbed and poorly biodegraded during waste water treatment, complicating removal after release.
Yen Lin Leong   +5 more
doaj   +1 more source

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