Effects of corn steep liquor on β-poly(l-malic acid) production in Aureobasidium melanogenum

Wang, Genan; Shi, Bingyi; Zhang, Pan; Zhao, Tingbin; Yin, Hui; Qiao, Changsheng

doi:10.1186/s13568-020-01147-8

Cited by 8 publications

(4 citation statements)

References 29 publications

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“…Thus, the nutritional support of peptones and derivates highly depends on the specific peptide (i.e., length and sequence) and free amino acid composition [ 20 ]. Moreover, M11 is a soluble solids by-product of the corn milling industry used for microbial growth, providing amino acids, vitamins, minerals, and growth factors [ 51 , 52 ]. The presence of corn-steep solids was also essential to increase the production of the L-asparaginase enzyme by Leucosporidium scottii L115 [ 37 ].…”

Section: Discussionmentioning

confidence: 99%

Endochitinase and Chitobiosidase Production by Marine Aeromonas caviae CHZ306: Establishment of Nitrogen Supplementation

et al. 2023

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Aeromonas caviae CHZ306, a marine-derived bacterium isolated from zooplankton, can use chitin (a polymer of a β-(1,4)-linked N-acetyl-D-glucosamine) as a carbon source. The chitin is hydrolyzed by chitinolytic enzymes, namely endochitinases and exochitinases (chitobiosidase and N-acetyl-glucosaminidase). Indeed, the chitinolytic pathway is initiated by the coexpression of the enzymes endochitinase (EnCh) and chitobiosidase (ChB); however, few studies, including biotechnological production of these enzymes, have been reported, although chitosaccharide are helpful in several industries, such as cosmetics. This study demonstrates the potential to maximize the simultaneous EnCh and ChB production by nitrogen supplementation on culture media. Twelve different nitrogen supplementation sources (inorganic and organic) previously analyzed in elemental composition (carbon and nitrogen) were tested and evaluated in the Erlenmeyer flask culture of A. caviae CHZ306 for EnCh and ChB expression. None of the nutrients inhibited bacterial growth, and the maximum activity in both EnCh and ChB was observed at 12 h, using corn-steep solids and peptone A. Corn-steep solids and peptone A were then combined at three ratios (1:1, 1:2, and 2:1) to maximize the production. The high activities for EnCh (30.1 U.L−1) and ChB (21.3 U.L−1) were obtained with 2:1 corn-steep solids and peptone A, corresponding to more than 5- and 3-fold enhancement, respectively, compared to the control condition.

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Section: Discussionmentioning

confidence: 99%

Endochitinase and Chitobiosidase Production by Marine Aeromonas caviae CHZ306: Establishment of Nitrogen Supplementation

et al. 2023

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“…CSL has a wide variety of industrial uses. For example, it can be mixed with fiber, dehydrated and dried as livestock feed, or directly used as nutritional media for industrial fermentation [14,15]. Historically, this byproduct has been used as a source of supplementary nutrients in fermentation processes, livestock feed, production of antibiotics, and as an integral part of fertilizers, growth media, and soil regulators [16][17][18].…”

Section: General Aspects Of Corn Steep Liquormentioning

confidence: 99%

Use of Corn Steep Liquor as a Biostimulant in Agriculture

Garcia-Sanchez,

Camara-Zapata,

Navarro-Morillo

2024

Horticulturae

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Biostimulants are substances or microorganisms that are applied to plants, soil, or seeds, to improve the growth, development, performance, and quality of crops. Their application is mainly directed towards improving the resistance of crops against abiotic and biotic stresses. These compounds are formulated from a great variety of compounds: humic substances, complex organic materials (sewage sludge extracts, composts, and manure), chemical elements (Al, Co, Na, Se, and Si), inorganic salts including phosphite, seaweed extracts (brown, red, and green), amino acids, etc. As of today, it has been observed that corn steep liquor (CSL), which is obtained from the industrial process of corn transformation, may be a good ingredient for the formulation of biostimulant products. CSL contains a large amount of different chemical compounds with biological activity for the plants and soil. The use of CSL industrial waste, previously formulated, could have a direct or indirect effect on the physiological processes and metabolic routes of plants related to the adaptation to abiotic and biotic stresses, as their compounds are part of these metabolic pathways, act as elicitor compounds, and/or have their own biological activity in the plants. There is evidence that the application of CSL could protect plants from specific abiotic and biotic stresses, such as an excess of light or temperature, nutritional limitations, salinity, drought, or pathogens. In addition, it can improve the growth of the plant when these are grown in hydroponic systems, and can improve the health of soils. The present article is focused on describing the most relevant scientific aspects of CSL when used as an ingredient to formulate biostimulants for agriculture. It will discuss its chemical composition, the analytical techniques utilized to elucidate and quantify its compounds, its uses in agriculture, and mode of action in the plants.

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“…Over the past few years, many endeavours have been attempted to realize high‐titre PMA production because large‐scale industrial production of PMA is the prerequisite for its commercial applications. First, a supplement of exogenous stimulatory agents such as Tween 80 (Tu et al., 2015 ; Yin et al., 2019 ), soybean oil (Xia et al., 2022 ), ethanol (Yang et al., 2018 ), and corn steep liquor (Wang et al., 2015 ; Wang, Shi, Zhang, et al., 2020 ) at certain concentrations have been added to overproduce PMA. Response surface methodology has been applied to optimize the fermentation medium formulation, resulting in a higher PMA production compared to the control condition (Qiao et al., 2015 , 2012 ).…”

Section: Polymalatementioning

confidence: 99%

Advances in Aureobasidium research: Paving the path to industrial utilization

Xiao,

Driller,

Dielentheis‐Frenken

et al. 2024

Microbial Biotechnology

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We here explore the potential of the fungal genus Aureobasidium as a prototype for a microbial chassis for industrial biotechnology in the context of a developing circular bioeconomy. The study emphasizes the physiological advantages of Aureobasidium, including its polyextremotolerance, broad substrate spectrum, and diverse product range, making it a promising candidate for cost‐effective and sustainable industrial processes. In the second part, recent advances in genetic tool development, as well as approaches for up‐scaled fermentation, are described. This review adds to the growing body of scientific literature on this remarkable fungus and reveals its potential for future use in the biotechnological industry.

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Effects of corn steep liquor on β-poly(l-malic acid) production in Aureobasidium melanogenum

Cited by 8 publications

References 29 publications

Endochitinase and Chitobiosidase Production by Marine Aeromonas caviae CHZ306: Establishment of Nitrogen Supplementation

Endochitinase and Chitobiosidase Production by Marine Aeromonas caviae CHZ306: Establishment of Nitrogen Supplementation

Use of Corn Steep Liquor as a Biostimulant in Agriculture

Advances in Aureobasidium research: Paving the path to industrial utilization

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