<i>Fusarium concolor</i>X4 Pretreatment Suppresses Light-Induced Yellowing of High-Yield Pulp

Zhang, Daolei; Li, Xuezhi; Zhao, Jian

doi:10.1155/2020/9497215

Cited by 2 publications

(2 citation statements)

References 37 publications

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“…The yellow edge of the paper was caused by the contact with light and oxygen ( Figure 8 b). While bamboo raw material underwent two alkali boiling processes to remove lignin [ 55 ], the high lignin content of bamboo makes the paper look light yellow because of the oxidation of lignin [ 56 ] ( Figure 8 c). Old newspapers were usually made of Groundwood pulp which hardly dissolves out the lignin in the raw materials, and the lignin content of the newspaper is the highest among the four paper samples and its yellow color is the darkest ( Figure 8 d).…”

Section: Resultsmentioning

confidence: 99%

“…The pH values of the paper measured by the fluorescence or by the cold extraction method ( Table 2 ) show the order of acidity of the four paper samples to be; Newspaper (the most acidic), bamboo paper, Mianlian paper and filter paper, which is consistent with the sequence of lignin content. Lignin may have an important influence on the acidity of paper because lignin is a kind of weak acid and it can be degraded into micromolecular organic acid by oxidation over a long time [ 56 ]. The important phenomenon is that acidity of paper measured by the fluorescence method is obviously higher than that measured by the cold extraction method.…”

Section: Resultsmentioning

confidence: 99%

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Quaternary Alloy Quantum Dots as Fluorescence Probes for Total Acidity Detection of Paper-Based Relics

Wang

Cheng

et al. 2021

Nanomaterials

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Traditionally, the acidity of paper-based relics was determined by an extraction method and using a pH meter. This method could not obtain the total acidity of the paper-based relics because it only detected the concentration of free protons in the aqueous soaking solution. To overcome this defect, a new method for determining the total acidity of paper-based relics has been established by using quaternary alloy quantum dots. The quantum dots, CdZnSeS, modified by p-Aminothiophenol (pATP) were prepared, and their composition and structure were characterized. The fluorescence behavior of prepared quantum dots with acidity was investigated. The following results were obtained. The fluorescence of CdZnSeS-pATP quantum dots could decrease with increases in acidity because pATP dissociated from the surfaces of the quantum dots due to protons or undissociated weak acids. Based on this feature, a method for determining the acidity of paper-based relics was constructed, and this method was used to evaluate the acidity of actual paper-based relics. Obviously, for a given paper sample, since both free protons and bound protons can be determined by this method, the acidity measured by this method is more reasonable than that by pH meter.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Quaternary Alloy Quantum Dots as Fluorescence Probes for Total Acidity Detection of Paper-Based Relics

Wang

Cheng

et al. 2021

Nanomaterials

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Insights into the genomic architecture of a newly discovered endophytic Fusarium species belonging to the Fusarium concolor complex from India

Rana,

Singh

2023

Front. Microbiol.

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In this study, a new species Fusarium indicum belonging to the Fusarium concolor species complex is established to accommodate an endophytic fungus isolated from Bambusa sp. and collected from Himachal Pradesh. The identity of this isolate was confirmed based on the asexual morphs, its cultural characteristics, and phylogenetic analyses. This isolate revealed out to be distinct by showing less similarity with described species in the genus Fusarium based on molecular sequence data, approximately 93.9% similarity based on translation elongation factor 1-alpha, and 94.2% similarity based on RNA polymerase II subunit. Furthermore, to increase knowledge about this novel species, whole-genome sequencing was carried out. The results displayed that Fusarium indicum NFCCI 5145 possesses a 40.2 Mb genome and 48.39% of GC content. Approximately 12,963 functional protein-coding genes were carefully predicted and annotated using different BLAST databases, such as Uniprot, Kyoto Encyclopedia of Genes and Genomes (KEGG), Gene Ontology (GO), Pathogen Host Interactions (PHI), Clusters of Orthologous Groups (COG), and Carbohydrate-Active enzymes (CAZy). The orthologous proteins were identified using OrthoFinder and used for the phylogenetic analysis. ANIb confirmed that the isolate is closely related to the F. concolor species complex. It is known that Fusarium strains can produce a wide range of bioactive secondary metabolites. Therefore, in-depth mining for biosynthetic gene clusters for secondary metabolite biosynthesis of Fusarium indicum NFCCI 5145 was investigated using Antibiotics and Secondary Metabolites Analysis Shell (AntiSMASH) annotation. AntiSMASH results displayed that this isolate possesses 45 secondary metabolites of biosynthetic gene clusters (BGCs). These findings significantly improved our understanding of the strain Fusarium indicum NFCCI 5145 and its possible applications in different sectors including industry for the secondary metabolites and enzymes it can produce.

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Fusarium concolorX4 Pretreatment Suppresses Light-Induced Yellowing of High-Yield Pulp

Cited by 2 publications

References 37 publications

Quaternary Alloy Quantum Dots as Fluorescence Probes for Total Acidity Detection of Paper-Based Relics

Quaternary Alloy Quantum Dots as Fluorescence Probes for Total Acidity Detection of Paper-Based Relics

Insights into the genomic architecture of a newly discovered endophytic Fusarium species belonging to the Fusarium concolor complex from India

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