Results 11 to 20 of about 3,333 (196)

The root zone of graminoids: A niche for H2-consuming acetogens in a minerotrophic peatland [PDF]

open access: yesFrontiers in Microbiology, 2022
The importance of acetogens for H2 turnover and overall anaerobic degradation in peatlands remains elusive. In the well-studied minerotrophic peatland fen Schlöppnerbrunnen, H2-consuming acetogens are conceptualized to be largely outcompeted by iron ...
Anja B. Meier   +4 more
doaj   +2 more sources

Translational efficiency in gas-fermenting bacteria: Adding a new layer of regulation to gene expression in acetogens [PDF]

open access: yesiScience, 2023
Summary: Major advances in mastering metabolism of single carbon (C1) gaseous feedstocks in acetogenic microorganisms are primed to fuel the transition toward environmentally sustainable and cost-efficient production schemes of biofuels and value-added ...
Angela Re
doaj   +2 more sources

Exploring Acetogenesis in Firmicutes: From Phylogenetic Analysis to Solid Medium Cultivation with Solid-Phase Electrochemical Isolation Equipments

open access: yesMicroorganisms, 2023
This study introduces a groundbreaking approach for the exploration and utilization of electrotrophic acetogens, essential for advancing microbial electrosynthesis systems (MES).
Zen-ichiro Kimura   +2 more
doaj   +2 more sources

Leveraging substrate flexibility and product selectivity of acetogens in two‐stage systems for chemical production [PDF]

open access: yesMicrobial Biotechnology, 2023
Carbon dioxide (CO2) stands out as sustainable feedstock for developing a circular carbon economy whose energy supply could be obtained by boosting the production of clean hydrogen from renewable electricity.
Luca Ricci   +5 more
doaj   +2 more sources

Old Acetogens, New Light [PDF]

open access: yesAnnals of the New York Academy of Sciences, 2008
Acetogens utilize the acetyl‐CoA Wood‐Ljungdahl pathway as a terminal electron‐accepting, energy‐conserving, CO2‐fixing process. The decades of research to resolve the enzymology of this pathway (1) preceded studies demonstrating that acetogens not only harbor a novel CO2‐fixing pathway, but are also ecologically important, and (2) overshadowed the ...
Harold L, Drake   +2 more
openaire   +3 more sources

Analysis of the core genome and pan-genome of autotrophic acetogenic bacteria [PDF]

open access: yesFrontiers in Microbiology, 2016
Acetogens are obligate anaerobic bacteria capable of reducing carbon dioxide (CO2) to multicarbon compounds coupled to the oxidation of inorganic substrates, such as hydrogen (H2) or carbon monoxide (CO), via the Wood-Ljungdahl pathway.
JongOh Shin   +3 more
doaj   +2 more sources

Engineered acetogenic bacteria as microbial cell factory for diversified biochemicals [PDF]

open access: yesFrontiers in Bioengineering and Biotechnology
Acetogenic bacteria (acetogens) are a class of microorganisms with conserved Wood-Ljungdahl pathway that can utilize CO and CO2/H2 as carbon source for autotrophic growth and convert these substrates to acetate and ethanol. Acetogens have great potential
Jun-Zhe Zhang   +12 more
doaj   +2 more sources

Isobutanol Production by Autotrophic Acetogenic Bacteria [PDF]

open access: yesFrontiers in Bioengineering and Biotechnology, 2021
Two different isobutanol synthesis pathways were cloned into and expressed in the two model acetogenic bacteria Acetobacterium woodii and Clostridium ljungdahlii. A.
Sandra Weitz   +5 more
doaj   +4 more sources

A megatransposon drives the adaptation of Thermoanaerobacter kivui to carbon monoxide [PDF]

open access: yesNature Communications
Acetogens are promising industrial biocatalysts for upgrading syngas, a gas mixture containing CO, H2 and CO2 into fuels and chemicals. However, CO severely inhibits growth of many acetogens, often requiring extensive adaptation to enable efficient CO ...
Rémi Hocq   +5 more
doaj   +3 more sources

Revealing formate production from carbon monoxide in wild type and mutants of Rnf‐ and Ech‐containing acetogens, Acetobacterium woodii and Thermoanaerobacter kivui

open access: yesMicrobial Biotechnology, 2020
Summary Acetogenic bacteria have gained much attraction in recent years as they can produce different biofuels and biochemicals from H2 plus CO2 or even CO alone, therefore opening a promising alternative route for the production of biofuels from ...
Fabian M. Schwarz   +6 more
doaj   +2 more sources

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