Results 41 to 50 of about 535 (135)

Dietary effects of fish meal substitution with Clostridium autoethanogenum on flesh quality and metabolomics of largemouth bass (Micropterus salmoides)

open access: yesAquaculture Reports, 2022
The study investigated dietary effects of replacing fish meal (FM) with Clostridium autoethanogenum powder (CAP) on growth, flesh quality and metabolomics of largemouth bass (Micropterus salmoides).
Pinxian Yang   +5 more
doaj   +1 more source

Diet supplemented with a novel Clostridium autoethanogenum protein have a positive effect on the growth performance, antioxidant status and immunity in juvenile Jian carp (Cyprinus carpio var. Jian)

open access: yesAquaculture Reports, 2021
A ten-week feeding trial was conducted to investigate the effects of the supplementation of Clostridium autoethanogenum protein (CAP) in practical diets on the growth performance, serum chemical parameters, antioxidant status and histopathological ...
Miaoyu Li   +6 more
doaj   +1 more source

A Comparison of Three Protein Sources Used in Medium-Sized Litopenaeus vannamei: Effects on Growth, Immunity, Intestinal Digestive Enzyme Activity, and Microbiota Structure

open access: yesFishes, 2023
The type of protein source in diets has many effects on shrimp. In this study, Litopenaeus vannamei with an initial body weight of 3.68 ± 0.002 g were fed for 8 weeks on three experimental diets (isoproteic: 41.00%; isolipidic: 7.61%) that were ...
Hang Yuan   +6 more
doaj   +1 more source

Fortification of FeS Clusters Reshapes Anaerobic CO Dehydrogenase into an Air‐Viable Enzyme Through Multilayered Sealing of O2 Tunnels

open access: yesAngewandte Chemie, Volume 137, Issue 33, August 11, 2025.
Fortification of FeS clusters in Ni─Fe CO dehydrogenase (Carboxydothermus hydrogenoformans) reshapes this anaerobic enzyme into an air‐viable variant through multilayered O2 tunnel sealing. The engineered enzyme retains structural integrity and catalytic efficiency in ambient air, offering a practical solution for industrial CO/CO2 bioconversion ...
Suk Min Kim   +9 more
wiley   +2 more sources

Effects of alternate feeding between fish meal and novel protein diets on the intestinal health of juvenile largemouth bass (Micropterus salmoides)

open access: yesAquaculture Reports, 2022
To investigate the possibility of completely replacing dietary fish meal with several novel proteins in largemouth bass (Micropterus salmoides), the intestinal health of largemouth bass switched to novel protein diets after being fed with fish meal diet ...
Lukuan Li   +4 more
doaj   +1 more source

Emerging Technologies for Biobutanol Production via Syngas Fermentation

open access: yesGCB Bioenergy, Volume 18, Issue 5, May 2026.
Biobutanol production from syngas is promising but limited by microbial energy conservation and gas–liquid mass transfer. This review integrates advances in cultivation control and bioreactor engineering with next‐generation biological tools including metabolic rewiring, co‐cultivation and chain elongation, and electro‐fermentation to enable carbon ...
Xuemei Wang   +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

Careful CO Addition Enhances Autotrophic d‐Lactate Formation With Engineered Acetobacterium woodii

open access: yesEngineering in Life Sciences, Volume 26, Issue 2, February 2026.
ABSTRACT The acetogen A. woodii efficiently converts CO2 and H2 to acetate. Metabolic engineering enabled the autotrophic production of non‐native products, for example, d‐lactate from CO2 by overexpression of d‐lactate dehydrogenase from Leuconostoc mesenteroides and knockout of the native lactate dehydrogenase. During gas fermentation with acetogens,
Anna Stock   +4 more
wiley   +1 more source

Nutrient Digestibility and Growth Performance of Juvenile Penaeus vannamei Fed Diets Containing the Filamentous Fungus, Paecilomyces variotii, Produced From Corn Ethanol Thin Stillage

open access: yesAquaculture Nutrition, Volume 2026, Issue 1, 2026.
Fungal proteins are emerging ingredients having high potential for use in aquafeeds, yet digestibility and practical inclusion limits remain unclear for marine shrimp. This study evaluated a filamentous fungus (Paecilomyces variotii [PV]) produced from corn ethanol thin stillage as a replacement for salmon by‐product meal (SLM) and poultry by‐product ...
Alberto J. P. Nunes   +5 more
wiley   +1 more source

Substituting Fish Meal with a Bacteria Protein (Clostridium autoethanogenum Protein) Derived from Industrial-Scale Gas Fermentation: Effects on Growth and Gut Health of Juvenile Large Yellow Croakers (Larimichthys crocea)

open access: yesFishes, 2022
This study was conducted to investigate the effects of Clostridiumautoethanogenum protein (CAP) replacement for fish meal (FM) on growth performance, digestive enzyme activity, humoral immunity and liver and intestinal health in large yellow croakers ...
Jian Zhang   +7 more
doaj   +1 more source

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