Results 31 to 40 of about 310,613 (335)

Effect of Lime Pretreatment on Microstructure of Cassava Stalk Fibers and Growth of Aspergillus niger

open access: yesBiosaintifika: Journal of Biology & Biology Education, 2018
Cassava stalk can be converted into sugar-based product by using microorganism. Unfortunately, lignin act as a barrier of optimal bioconversion. Cassava stalk needs pretreatment process for removing this barrier.
Pramesti Dewi   +3 more
doaj   +1 more source

5S rRNA Promoter for Guide RNA Expression Enabled Highly Efficient CRISPR/Cas9 Genome Editing in Aspergillus niger.

open access: yesACS Synthetic Biology, 2019
The CRISPR/Cas9 system is a revolutionary genome editing tool. However, in eukaryotes, search and optimization of a suitable promoter for guide RNA expression is a significant technical challenge.
Xiaomei Zheng   +6 more
semanticscholar   +1 more source

Species-Specific Differences in the Susceptibility of Fungi to the Antifungal Protein AFP Depend on C-3 Saturation of Glycosylceramides [PDF]

open access: yes, 2019
AFP is an antimicrobial peptide (AMP) produced by the filamentous fungus Aspergillus giganteus and is a very potent inhibitor of fungal growth that does not affect the viability of bacteria, plant, or mammalian cells.
Baumann, Birgit   +8 more
core   +1 more source

Nitrile biotransformation by Aspergillus niger [PDF]

open access: yesJournal of Molecular Catalysis B: Enzymatic, 2004
Abstract A nitrile-converting enzyme activity was induced in Aspergillus niger K10 by 3-cyanopyridine. The whole cell biocatalyst was active at pH 3–11 and hydrolyzed the cyano group into acid and/or amide functions in benzonitrile as well as in its meta - and para -substituted derivatives, cyanopyridines, 2-phenylacetonitrile and thiophen-2 ...
Snajdrova, Radka   +10 more
openaire   +2 more sources

Congo Red Decolorization and Detoxification by Aspergillus niger: Removal Mechanisms and Dye Degradation Pathway

open access: yesBioMed Research International, 2018
Congo red is one of the best known and used azo dyes which has two azo bonds (-N=N-) chromophore in its molecular structure. Its structural stability makes it highly toxic and resistant to biodegradation.
N. Asses, L. Ayed, Neila Hkiri, M. Hamdi
semanticscholar   +1 more source

Comparison in antioxidant and antitumor activities of pine polyphenols and its seven biotransformation extracts by fungi [PDF]

open access: yesPeerJ, 2017
Microbial transformation can strengthen the antioxidant and antitumor activities of polyphenols. Polyphenols contents, antioxidant and antitumor activities of pine polyphenols and its biotransformation extracts by Aspergillus niger, Aspergillus oryzae ...
Hui Li, Zhenyu Wang
doaj   +2 more sources

On the safety of Aspergillus niger - a review

open access: yesApplied Microbiology and Biotechnology, 2002
Aspergillus niger is one of the most important microorganisms used in biotechnology. It has been in use already for many decades to produce extracellular (food) enzymes and citric acid. In fact, citric acid and many A. niger enzymes are considered GRAS by the United States Food and Drug Administration. In addition, A.
Jens Christian Frisvad   +3 more
openaire   +4 more sources

Systems metabolic engineering for citric acid production by Aspergillus niger in the post-genomic era

open access: yesMicrobial Cell Factories, 2019
Citric acid is the world’s largest consumed organic acid and is widely used in beverage, food and pharmaceutical industries. Aspergillus niger is the main industrial workhorse for citric acid production.
Zhenyu Tong   +4 more
semanticscholar   +1 more source

Adaptive response to oxidative stress in the filamentous fungus Aspergillus niger B1-D [PDF]

open access: yes, 2008
In the present study, we used a recombinant filamentous fungus strain, Aspergillus niger B1-D, as a model system, and investigated the antioxidant defences in this organism.
Harvey, L.M., Li, Qiang, Mcneil, Brian
core   +1 more source

Morphological and Molecular Diversity of Aspergillus From Corn Grain Used as Livestock Feed

open access: yesHayati Journal of Biosciences, 2017
The study of Aspergillus from corn grains used as livestock feed is important to ensure the safety of the grains as the occurrence of Aspergillus in the corn grain can give an indication of mycotoxin being produced.
Noor Atiqah Zulkifli, Latiffah Zakaria
doaj   +1 more source

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