Chemical Composition, Antibacterial Activity and Mechanism of Action of Fermentation Products from Aspergillus Niger xj

Wei, Longfeng; Ran, Jiang; Li, Zhu; Zhang, Qinyu; Guo, Kun; Mu, Shuzhen; Xie, Yudan; Xie, Ailin; Xiao, Yang

doi:10.1007/s12010-023-04577-9

Appl Biochem Biotechnol

2023

DOI: 10.1007/s12010-023-04577-9

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Chemical Composition, Antibacterial Activity and Mechanism of Action of Fermentation Products from Aspergillus Niger xj

Longfeng Wei,

Jiang Ran,

Zhu Li

et al.

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Cited by 3 publications

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Red bioactive pigment from Himalayan Janthinobacterium sp. ERMR3:09: optimization, characterization, and potential applications

Mukhia,

Kumar,

Kumar

2023

Arch Microbiol

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Red bioactive pigment from Himalayan Janthinobacterium sp. ERMR3:09: optimization, characterization, and potential applications

Mukhia,

Kumar,

Kumar

2023

Arch Microbiol

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Changes in metabolite profiles in solid fermentation of glutamate waste treatment solution by Aspergillus niger and Candida tropicalis

He,

Zhang,

Liu

et al. 2024

Journal of Applied Microbiology

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Aims Glutamate wastewater poses a great environmental challenge to the monosodium glutamate production industry. However, its treatment solution is rich in crude protein, which has the potential to be developed as a new protein source for animal feed. Methods and results Given that the fermentation process generates functionally different metabolites, this study innovatively utilized two strains of feed microorganisms, Aspergillus niger and Candida tropicalis, to perform solid-state fermentation of glutamate wastewater treatment solution. The aim was to investigate and analyze the metabolite profiles during fermentation. The significant differences in metabolite profiles between the samples were determined using correlation analysis, principal component analysis (PCA), orthogonal partial least squares discriminant analysis (OPLS-DA), variable importance in projection (VIP) analysis, Kyoto Encyclopaedia of Genomes (KEGG), and Human Metabolome Data Bank (HMDB) analysis. These variations were mainly manifested in essential feed components, such as amino acids, peptides, and their analogues. These included Ile-Pro-Asn, Pro-Gly-Val, alanylvaline, histidylisoleucine, Lys-Leu-Tyr, Ile-Arg, glycyl-leucine, leucyl-lysine, N-palmitoyl histidine, alanylisoleucine, L-glutamate, N-methylisoleucine, lsoleucylproline, DL-m-tyrosine, lsoleucyl-threonine, phenylalanine amide, carboxyethyllysine, N6-acetyl-L-lysine, citrulline, N-alpha-acetyl-L-lysine, N(6)-methyllysine, and L-aspartate-semialdehyde. Conclusions This study investigates the metabolite profiles of glutamate wastewater treatment solutions after co-fermentation with Aspergillus niger and Candida tropicalis using solid-state fermentation. These findings provide a new strategy for efficiently utilizing glutamate wastewater treatment solutions.

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Application and antagonistic mechanisms of atoxigenic Aspergillus strains for the management of fungal plant diseases

Wang,

Shi

et al. 2024

Appl Environ Microbiol

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This review covers, for the first time, all methods based on the use of Aspergillus strains as biocontrol agents for the management of plant diseases caused by fungi and oomycetes. Atoxigenic Aspergillus strains have been screened in a variety of hosts, such as peanuts, maize kernels, and legumes, during the preharvest and postharvest stages. These strains have been screened against a wide range of pathogens, such as Fusarium , Phytophthora , and Pythium species, suggesting a broad applicability spectrum. The highest efficacies were generally observed when using non-toxigenic Aspergillus strains for the management of mycotoxin-producing Aspergillus strains. The modes of action included the synthesis of antifungal metabolites, such as kojic acid and volatile organic compounds (VOCs), secretion of hydrolytic enzymes, competition for space and nutrients, and induction of disease resistance. Aspergillus strains degraded Sclerotinia sclerotiorum sclerotia, showing high control efficacy against this pathogen. Collectively, although two Aspergillus strains have been commercialized for aflatoxin degradation, a new application of Aspergillus strains is emerging and needs to be optimized.

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Chemical Composition, Antibacterial Activity and Mechanism of Action of Fermentation Products from Aspergillus Niger xj

Cited by 3 publications

References 39 publications

Red bioactive pigment from Himalayan Janthinobacterium sp. ERMR3:09: optimization, characterization, and potential applications

Red bioactive pigment from Himalayan Janthinobacterium sp. ERMR3:09: optimization, characterization, and potential applications

Changes in metabolite profiles in solid fermentation of glutamate waste treatment solution by Aspergillus niger and Candida tropicalis

Application and antagonistic mechanisms of atoxigenic Aspergillus strains for the management of fungal plant diseases

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