Results 61 to 70 of about 2,862 (133)

Isolation and characterization of novel acetogenic strains of the genera Terrisporobacter and Acetoanaerobium

open access: yesFrontiers in Microbiology
Due to their metabolic versatility in substrate utilization, acetogenic bacteria represent industrially significant production platforms for biotechnological applications such as syngas fermentation, microbial electrosynthesis or transformation of one ...
Tim Böer   +9 more
doaj   +1 more source

Codh/Acs-Deficient Methanogens Are Prevalent in Anaerobic Digesters

open access: yesMicroorganisms, 2021
Methanogens are archaea that grow by producing methane as a catabolic end product and thrive in diverse anaerobic habitats, including soil, sediments, oil reservoirs, digestive tracts, and anaerobic digesters.
Misa Nagoya   +2 more
doaj   +1 more source

Technobiological Pathways for High‐CO₂ Capture Using Micro‐/Macroalgae: Genetic Engineering, Process Automation, and Value‐Added Bioproducts

open access: yesAsia-Pacific Journal of Chemical Engineering, Volume 21, Issue 3, May/June 2026.
ABSTRACT Greenhouse gas (GHG) emissions have emerged as one of the most critical drivers of climate change; this is primarily due to high concentrations and long atmospheric life of carbon dioxide (CO2). For a significant amount of time, various biological processes such as microalgal cultivation, cyanobacterial systems, photosynthetic microorganisms ...
Sadhana Semwal, Harish Chandra Joshi
wiley   +1 more source

Acetogenic Methane‐Carbon Monoxide Comproportionation: An Exergonic but Unobserved Microbial Metabolism

open access: yesJournal of Geophysical Research: Biogeosciences, Volume 131, Issue 5, May 2026.
Abstract Microbial metabolism relies on redox reactions that exploit chemical disequilibria. While aerobic carbon oxidation, carbon fixation, and fermentation are well studied, the broader space of anaerobic carbon redox reactions remains underexplored.
Heidi S. Aronson   +2 more
wiley   +1 more source

A metagenomics roadmap to the uncultured genome diversity in hypersaline soda lake sediments

open access: yesMicrobiome, 2018
Background Hypersaline soda lakes are characterized by extreme high soluble carbonate alkalinity. Despite the high pH and salt content, highly diverse microbial communities are known to be present in soda lake brines but the microbiome of soda lake ...
Charlotte D. Vavourakis   +5 more
doaj   +1 more source

Homoacetogenic Conversion of Mannitol by the Thermophilic Acetogenic Bacterium Thermoanaerobacter kivui Requires External CO2

open access: yesFrontiers in Microbiology, 2020
Acetogenic microorganisms utilize organic substrates such as sugars in addition to hydrogen (H2) + carbon dioxide (CO2). Recently, we reported that the thermophilic acetogenic microorganism Thermoanaerobacter kivui is among the few acetogens that utilize
Jimyung Moon   +3 more
doaj   +1 more source

Mitigating methane emissions and promoting acetogenesis in ruminant livestock

open access: yesFrontiers in Animal Science
Through enteric fermentation, ruminants convert fibrous biomass into high-quality proteins like meat and milk. In this process however, methanogenic archaea in the ruminant gastrointestinal tract produce methane, a potent greenhouse gas, from the by ...
Rehema Iddi Mrutu   +5 more
doaj   +1 more source

Advancement in Anaerobic Digestion for Scaling‐Up Biogas Production Through Food Waste Valorization

open access: yesChemBioEng Reviews, Volume 13, Issue 2, April 2026.
The review article begins with an introduction that covers the overview, food waste (FW) classification, and the steps involved in producing biogas through anaerobic digestion (AD). Following that, it describes the process for producing biogas, including single‐, two‐, and multistage systems, mesophilic and thermophilic digestion, and wet and dry ...
Poulami Chatterjee   +2 more
wiley   +1 more source

Forest Disturbance Drives Changes in the Functional Traits of Soil Bacteria: A Metagenomic Study of Kauri (Agathis australis) Forest Ecosystems

open access: yesEcology and Evolution, Volume 16, Issue 4, April 2026.
This study reveals how ecological disturbances reshape the structure and function of soil bacterial communities in kauri forests, which are critical for ecosystem resilience. By linking disturbance regimes to shifts in bacterial diversity and functional capacity, it highlights the wider effects of ecosystem disturbance on soil ecological function ...
Alexa K. Byers   +3 more
wiley   +1 more source

A TetR-Family Protein (CAETHG_0459) Activates Transcription From a New Promoter Motif Associated With Essential Genes for Autotrophic Growth in Acetogens

open access: yesFrontiers in Microbiology, 2019
Acetogens can fix carbon (CO or CO2) into acetyl-CoA via the Wood–Ljungdahl pathway (WLP) that also makes them attractive cell factories for the production of fuels and chemicals from waste feedstocks.
Renato de Souza Pinto Lemgruber   +12 more
doaj   +1 more source

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