Effect of Aspergillus Niger Strain Xf-1 on Soil Nutrients and Growth of Amorpha Fruticosa

Wu, Qigang; Hu, H.-B.; He, Li

doi:10.15666/aeer/1804_50795092

Cited by 4 publications

(6 citation statements)

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“…The inoculation of mineral-solubilizing fungi, e.g., A. awamori S19, A. tubingensis PSF-4, A. niger K7, and A. niger PSF-7, could improve phosphorus content in maize, mung beans, soybeans, and wheat (Jain et al, 2010;Kaur and Reddy, 2016;Saxena et al, 2016). Moreover, Abdel-Motaal et al (2020) and Wu et al (2020) found that the chlorophyll content and secondary metabolite contents of tomato and false indigo bush (Amorpha fruticosa) plants were improved after inoculation of the phosphate-solubilizing fungal strains of A. flavus and A. niger, respectively.…”

Section: Discussionmentioning

confidence: 99%

Growth Enhancement of Arabidopsis (Arabidopsis thaliana) and Onion (Allium cepa) With Inoculation of Three Newly Identified Mineral-Solubilizing Fungi in the Genus Aspergillus Section Nigri

et al. 2021

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Some soil fungi play an important role in supplying elements to plants by the solubilizing of insoluble minerals in the soil. The present study was conducted to isolate the mineral-solubilizing fungi from rhizosphere soil in some agricultural areas in northern Thailand. Seven fungal strains were obtained and identified using a polyphasic taxonomic approach with multilocus phylogenetic and phenotypic (morphology and extrolite profile) analyses. All obtained fungal strains were newly identified in the genus Aspergillus section Nigri, Aspergillus chiangmaiensis (SDBR-CMUI4 and SDBR-CMU15), Aspergillus pseudopiperis (SDBR-CMUI1 and SDBR-CMUI7), and Aspergillus pseudotubingensis (SDBR-CMUO2, SDBR-CMUO8, and SDBR-CMU20). All fungal strains were able to solubilize the insoluble mineral form of calcium, copper, cobalt, iron, manganese, magnesium, zinc, phosphorus, feldspar, and kaolin in the agar plate assay. Consequently, the highest phosphate solubilization strains (SDBR-CMUI1, SDBR-CMUI4, and SDBR-CMUO2) of each fungal species were selected for evaluation of their plant growth enhancement ability on Arabidopsis and onion in laboratory and greenhouse experiments, respectively. Plant disease symptoms were not found in any treatment of fungal inoculation and control. All selected fungal strains significantly increased the leaf number, leaf length, dried biomass of shoot and root, chlorophyll content, and cellular inorganic phosphate content in both Arabidopsis and onion plants under supplementation with insoluble mineral phosphate. Additionally, the inoculation of selected fungal strains also improved the yield and quercetin content of onion bulb. Thus, the selected strains reveal the potential in plant growth promotion agents that can be applied as a biofertilizer in the future.

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Section: Discussionmentioning

confidence: 99%

Growth Enhancement of Arabidopsis (Arabidopsis thaliana) and Onion (Allium cepa) With Inoculation of Three Newly Identified Mineral-Solubilizing Fungi in the Genus Aspergillus Section Nigri

et al. 2021

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“…The biomass accumulation of maize per plant substantially increased after adding different types of low molecular weight organic acids (citric acid, malic acid, oxalic acid) in low phosphorus soil [ 48 ]. Moreover, there is evidence that A. niger TL-F2 promotes ryegrass biomass and A. niger strain XF-1 fermentation broth significantly increases the plant height, fresh weight, and dry weight of A. fruticosa [ 25 , 49 ]. At the same time, Nuangmek et al demonstrated that T. phayaoense effectively improves plant development by increasing plant height, as well as shoot and root dry weight values [ 50 ].…”

Section: Discussionmentioning

confidence: 99%

“…Meanwhile, it has been demonstrated that inoculation of three newly identified mineral-solubilizing A. niger strains increased chlorophyll content in Arabidopsis and onion plants [ 61 ]. After inoculation with Aspergillus flavus , A. niger XF-1 fermentation broth, and irrigation with 100-fold diluted AFB, the chlorophyll content, secondary metabolite content, and carbon assimilation of tomatoes, Amorpha fruticosa , and wheat were all found to be enhanced [ 43 , 49 , 62 ]. Thus, the application of AFB increases the carotenoid and chlorophyll content, thus enhancing the antioxidant capacity of the plant and the photosynthetic capacity of the maize leaves under stress.…”

Section: Discussionmentioning

confidence: 99%

Aspergillus niger Fermentation Broth Promotes Maize Germination and Alleviates Low Phosphorus Stress

Tian

Zhang

et al. 2023

Microorganisms

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Aspergillus niger is a type of soil fungus with the ability to dissolve insoluble phosphate and secrete organic metabolites such as citric acid. However, whether cell-free Aspergillus niger fermentation broth (AFB) promotes maize growth and alleviates low-phosphorus stress has not been reported. In this study, we explored their relationship through a hydroponics system. The results indicated that either too low or too high concentrations of AFB may inhibit seed germination potential and germination rate. Under low phosphorus conditions, all physiological indexes (biomass, soluble sugar content, root length, etc.) increased after AFB was applied. A qRT-PCR analysis revealed that the expression of the EXPB4 and KRP1 genes, which are involved in root development, was upregulated, while the expression of the CAT2 and SOD9 genes, which are keys to the synthesis of antioxidant enzymes, was downregulated. The expression of LOX3, a key gene in lipid peroxidation, was down-regulated, consistent with changes in the corresponding enzyme activity. These results indicate that the application of AFB may alleviate the oxidative stress in maize seedlings, reduce the oxidative damage caused by low P stress, and enhance the resistance to low P stress in maize seedlings. In addition, it reveals the potential of A. niger to promote growth and provides new avenues for research on beneficial plant-fungal interactions.

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“…This study showed that the relative abundance of Aspergillus in lime nitrogen group and lime nitrogen with mix microbial biocontrol agent group were higher than that of the control group at rosette stage, but lower than that of the control group at vigorous and maturity stage. The previous study showed that Aspergillus are benefical to fungi, which could participate in the process of soil phosphorus dissolution and potassium dissolution [15]. and Aspergillus can produce secondary metabolites with biological activity, which can be used as broad-spectrum biocontrol fungi to control a variety of plant pathogenic [42].…”

Section: Discussionmentioning

confidence: 99%

“…Bacillus subtilis [14], Aspergillus Niger [15], Bacillus licheniformis [16], and Streptomyces [17] are beneficial biological agents, which can converse soil nutrients effectively, accelerate the rate of organic fertilizer ageing, and inhabit pathogens to relieve continuous cropping obstacles. Studies have shown that the combination of a variety of biocontrol bacteria can form complementary advantages between different strains, thereby improving the control effect and stability [18].…”

Section: Introductionmentioning

confidence: 99%

Effects of lime nitrogen on the fungi community of tobacco soil and its correlation analysis

Zhang

Chen

Tuo

et al. 2022

IOP Conf. Ser.: Earth Environ. Sci.

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Soil microorganisms are closely related to soil environmental factors. To explore the effects of lime nitrogen, lime nitrogen combined with biocontrol agents on soil environmental factors and fungi and their correlation in tobacco fields, four treatments were set: 1_1: control group; 1_2: biocontrol agents group; 1_3: lime nitrogen group; 1_4: lime nitrogen with biocontrol agents group. Soil samples were taken during four growth periods of tobacco plants, and fungi were analyzed by high-throughput sequencing. The results showed that both 1_3 and 1_4 group increased the soil pH, OM, available nutrients, effective copper, available zinc, fungi richness and diversity of vigorous and maturity stage, urease, acid phosphatase, invertase activity, flue-cured tobacco economic characteristics, and the relative abundance of beneficial fungi such as Chaetomium, Solicoccozyma of maturity stage. At maturity stage, available zinc, available nitrogen, urease activity was significantly positively correlated with Chaetomium; Invertase activity showed significantly positive correlation with Solicoccozyma. In short, both 1_2 and 1_3 group improved physicochemical properties, more enzyme activity of the soil, which were significantly positively correlation with some beneficial fungi. Therefore, the relative abundance of certain beneficial fungi increased so that the disease resistance of tobacco plant was improved and flue-cured tobacco economic characters were better.

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Effect of Aspergillus Niger Strain Xf-1 on Soil Nutrients and Growth of Amorpha Fruticosa

Cited by 4 publications

References 0 publications

Growth Enhancement of Arabidopsis (Arabidopsis thaliana) and Onion (Allium cepa) With Inoculation of Three Newly Identified Mineral-Solubilizing Fungi in the Genus Aspergillus Section Nigri

Growth Enhancement of Arabidopsis (Arabidopsis thaliana) and Onion (Allium cepa) With Inoculation of Three Newly Identified Mineral-Solubilizing Fungi in the Genus Aspergillus Section Nigri

Aspergillus niger Fermentation Broth Promotes Maize Germination and Alleviates Low Phosphorus Stress

Effects of lime nitrogen on the fungi community of tobacco soil and its correlation analysis

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