Fermentative Production of Beta‐Glucan: Properties and Potential Applications

Philippini, Rafael R.; Martiniano, Sabrina Evelin; Santos, Júlio César dos; Silva, Sílvio Silvério da; Chandel, Anuj K.

doi:10.1002/9781119434436.ch15

Cited by 9 publications

(5 citation statements)

References 71 publications

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“…Questin's antibacterial properties can also be employed against the aquatic pathogen V. harveyi. Mechanism of action studies revealed that questin affects the permeability and integrity of cell walls and membranes by binding to the cell surface, leading to bacterial cell wall and membrane damage, ultimately resulting in an unstable bacterial intracellular environment, cell lysis, and cell death [23].…”

Section: Resultsmentioning

confidence: 99%

Action Mechanism of Marine Endophytic Fungi Aspergillus terreus as Antibacterial Agent Against Vibrio harveyi

Isti’anah,

Budiman,

Suseno

et al. 2024

BIO Web Conf.

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Mangrove ecosystems are among the most diverse marine environments, housing a variety of vegetation, such as shrubs, plants, trees, palms, and other adaptable species that thrive in both freshwater and saline conditions. These mangrove habitats serve as a rich source of secondary metabolites, contributing to various pharmacological activities and playing a crucial ecological role. Endophytic fungi constitute a substantial and measurable portion of fungal biodiversity, known to influence plant community structure and diversity. The purpose of this study is to evaluate the cytotoxic and antibacterial qualities of endophytic fungi that were isolated from Sonneratia alba mangrove leaves that were gathered in Buton, Southeast Sulawesi, Indonesia. The fungi were isolated using surface sterilization techniques and identified based on their morphological characteristics and ITS regions of rDNA. Isolate WB 1-2, obtained from the leaves, was identified as Aspergillus terreus. The marine endophytic isolate, Aspergillus terreus, exhibited antibacterial activity against Vibrio harveyi. Scanning Electron Microscope observations conducted after 24 hours revealed inhibited cell growth in Vibrio harveyi test cells, indicating damage to the cells caused by the hyphae of marine endophytic fungi.

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Section: Resultsmentioning

confidence: 99%

Action Mechanism of Marine Endophytic Fungi Aspergillus terreus as Antibacterial Agent Against Vibrio harveyi

Isti’anah,

Budiman,

Suseno

et al. 2024

BIO Web Conf.

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“…Singular β (1-3) or β (1-6) glucose units may make up linear beta-glucans. Branched beta-glucans are identified by the combination of β (1-3) and β (1-6) connections [137]. Zhu et al [136] summed up the production of β-glucan using different processes and compared the yields and production times.…”

Section: Microbial β-Glucanmentioning

confidence: 99%

Microbial Biopolymers: From Production to Environmental Applications—A Review

Sharma,

Tellili,

Kacem

et al. 2024

Applied Sciences

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Industrial evolution and agricultural expansion, explained by continuing population growth, have rendered enormous problems for the world throughout the past few decades, primarily because of waste generation. To reduce environmental impact and dependence on fossil fuels, scientists have explored replacing synthetic polymers with environmentally friendly and sustainable alternatives in many emergent applications. In this regard, microbial biopolymers have gained special attention. Many biopolymers originating from various strains of bacteria, fungi, and algae have been reported and their possible applications have increased rapidly. This review focuses on the wide range of microbial biopolymers, their characteristics, and factors influencing their production. The present study also describes the environmental applications of microbial biopolymers. The use of these biopolymers is very attractive as a value-added and sustainable approach to wastewater treatment. By acting as adsorbents, coagulants, and flocculants as well as filters in membrane processes, microbial biopolymers shine as promising solutions beyond conventional methods. They can be integrated into various stages of the treatment process, further enhancing the efficiency of wastewater treatment methods. Microbial biopolymer applications in bioremediation and soil stabilization are also reviewed. Several studies have demonstrated the strong potential of biopolymers in soil improvement due to their ability to minimize permeability, eliminate heavy metals, stabilize soil, and limit erosion. Challenges related to scaling up and the downstream processing of microbial biopolymers, as well as its future perspectives in environmental applications, are also discussed.

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“…The agroindustrial biomass is mainly used in the production of bacterial biopolymers like dextran, curdlan, gellan, and xanthan (BeMiller, 2019). However, there are few reports about the use of agroindustrial biomass as growth media for the production of biopolymers from fungi, permitting great exploration potential for the development of new biorefinery platforms in the future (Philippini et al, 2019). The production of α-glucans using hemicellulosic hydrolysate obtained after acid hydrolysis of lignocellulosic materials is proposed in some studies.…”

Section: Potential Bioproducts For Biorefineries Biopolymersmentioning

confidence: 99%

Agroindustrial Byproducts for the Generation of Biobased Products: Alternatives for Sustainable Biorefineries

et al. 2020

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The integrated approach in biorefinery mainly involves the utilization of various agroindustrial byproducts such as raw materials for the production of several biobased products like biofuels, bioenergy, and other high-value chemicals. Biofuels are the backbone of biorefineries, however, production of value-added biomolecules such as biopigments, biopolymers, biosurfactants, and nutritional yeast has been attracting great attention. The production of these biomolecules using traditional approaches has been extensively studied in the last few years owing to their promising application in different industries such as chemical, food/feed, and pharmaceuticals for the development of novel products for mankind. Moreover, the production of such biomolecules using lignocellulosic, starchy, and some other agroindustrial byproducts is still not fully explored. Hence, there is a huge scope in the development of sustainable biorefining approaches to make the technology cost-effective. The lignocellulosic biomasses usually used in biorefineries are mainly composed of cellulose, hemicellulose, and lignin, whereas starchy materials, besides starch, usually contain, protein, lipids, and some micronutrients. The processing of these biomasses through successive steps like pretreatments, enzymatic hydrolysis, and fermentation is essentially required to obtained final biobased products. Considering certain bottlenecks of above-mentioned conventional biorefineries approaches, new technologies have been proposed for the improved pretreatment of biomass and efficient enzymatic hydrolysis in order to minimize the concentration of toxic inhibitors in resulting hydrolysate. In this review, we highlighted the different agroindustrial byproducts and their applications for the production of valuable biorefinery products.

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Fermentative Production of Beta‐Glucan: Properties and Potential Applications

Cited by 9 publications

References 71 publications

Action Mechanism of Marine Endophytic Fungi Aspergillus terreus as Antibacterial Agent Against Vibrio harveyi

Action Mechanism of Marine Endophytic Fungi Aspergillus terreus as Antibacterial Agent Against Vibrio harveyi

Microbial Biopolymers: From Production to Environmental Applications—A Review

Agroindustrial Byproducts for the Generation of Biobased Products: Alternatives for Sustainable Biorefineries

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