Simultaneous pretreatment and saccharification: Green technology for enhanced sugar yields from biomass using a fungal consortium

Dhiman, Saurabh Sudha; Haw, Jung Rim; Kalyani, Dayanand; Kalia, Vipin Chandra; Kang, Yun Chan; Lee, Jung-Kul

doi:10.1016/j.biortech.2014.11.059

Cited by 90 publications

(20 citation statements)

References 27 publications

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“…Complete removal of use of dangerous chemicals [32] Corn stover Fungal consortium 43.8% of lignin removal [33] Pine wood Chrysonilia sitophila Carbohydrate (18%) and lignin (20%) reduction [8] Bamboo culms Punctualaria sp. TUFC20056 50% of lignin removal [12] Milled wheat straw Penicillium chrysogenum 27.4% lignin mineralization [54] Milled wheat straw Fusarium oxysporum 23.5% lignin mineralization [54] Milled wheat straw Fusarium solani 22.6% lignin mineralization [54] involved in the fungal attack which decreases methoxy, phenolic, and aliphatic content of lignin.…”

Section: Fungal Consortiummentioning

confidence: 99%

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Lignin Degradation by Fungal Pretreatment: A Review

Madadi¹,

Abbas²

2017

J Plant Pathol Microbiol

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Lignin is regarded as the most plentiful aromatic polymer contains both non-phenolic and phenolic structures. It makes the integral part of secondary wall and plays a significant role in water conduction in vascular plants. Many fungi, bacteria and insects have ability to decrease this lignin by producing enzymes. Among these fungi are the major player in degradation of lignin. These fungi produce enzymes such as lignin peroxidases and laccases. The well-known fungi which degrades lignin are white, brown, soft-rot fungi, and deuteromycetes. Currently these fungi are utilized to reduce lignin to produce ecofriendly bioenergy. The primary aim of this paper is to describe the lignin degradation by biological pre-treatment using fungi (white-, brown-soft-rot fungi and molds), as well as biochemical application. Besides, Molecular methods and enzymes regulation engaged in fungal pre-treatment and some of the factors affecting pretreatment will also be briefly discussed.

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Section: Fungal Consortiummentioning

confidence: 99%

“…This is the first report on improvement of an eco-friendly SPS method. This process completely eliminates the use of hazardous chemicals [32]. Song et al [33] has shown fungal pre-treatment effectively removed lignin and altered biomass structure for enhanced enzymatic hydrolysis in corn stover.…”

Section: Moldsmentioning

confidence: 99%

Lignin Degradation by Fungal Pretreatment: A Review

Madadi¹,

Abbas²

2017

J Plant Pathol Microbiol

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“…The benefit of these enzymes in pre-treatment and their effect on enhanced efficiency for hydrolysis and saccharification of selected biomasses i.e. willow and rice straw was demonstrated by application of a fungal consortium composed of two fungi Armilleria gemina and Pholiota adipose [92]. Composting of other residual biomass may be enhanced in the presence of white-rot fungi, followed by utilization of spent biomass for soil application [93].…”

Section: Bioremediation Of Municipal Solid Waste (Msw)mentioning

confidence: 99%

Diverse Metabolic Capacities of Fungi for Bioremediation

2016

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Bioremediation refers to cost-effective and environment-friendly method for converting the toxic, recalcitrant pollutants into environmentally benign products through the action of various biological treatments. Fungi play a major role in bioremediation owing to their robust morphology and diverse metabolic capacity. The review focuses on different fungal groups from a variety of habitats with their role in bioremediation of different toxic and recalcitrant compounds; persistent organic pollutants, textile dyes, effluents from textile, bleached kraft pulp, leather tanning industries, petroleum, polyaromatic hydrocarbons, pharmaceuticals and personal care products, and pesticides. Bioremediation of toxic organics by fungi is the most sustainable and green route for cleanup of contaminated sites and we discuss the multiple modes employed by fungi for detoxification of different toxic and recalcitrant compounds including prominent fungal enzymes viz., catalases, laccases, peroxidases and cyrochrome P450 monooxygeneses. We have also discussed the recent advances in enzyme engineering and genomics and research being carried out to trace the less understood bioremediation pathways.

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“…The supernatant from this coinoculation was further concentrated using a membrane with a 10-kDa molecular weight cut off (Sartorius) and, after determining the units of lignocellulases present, used in saccharification experiments. The activity of filter paper unit (FPU), b-glucosidase (BGL) toward p-nitrophenyl-b-D-glucopyranoside (pNPG), endo-b-1,4 glucanase (EG), xylanase, and laccase relative to the rate of oxidation of 1 mM 2,2-azinobis-[3-ethylbenzthiazoline-6-sulfo nate] (ABTS) was determined, according to the methods reported by [11]. The release of the reducing sugar (RS) was measured using the dinitrosalicylic acid reagent method [12].…”

Section: Methodsmentioning

confidence: 99%