Biological pretreatment of lignocellulosic biomass: An environment-benign and sustainable approach for conversion of solid waste into value-added products

,; ,; Kuhad, R. C.; Rapoport, Alexander; Kumar, Vinod; Singh, Davender; Kumar, Vijay; Tiwari, Santosh Kumar; Ahlawat, Shruti; Singh, Bijender

doi:10.1080/10643389.2023.2277670

Cited by 7 publications

(1 citation statement)

References 113 publications

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“…Various methods can be employed for biomass degradation, including thermochemical, biochemical, and microbial processes (Periyasamy et al., 2023). Among these methods, microbial degradation, facilitated by microorganisms such as fungi, bacteria, and yeast, has garnered significant attention due to its potential for efficient biomass conversion and its low environmental impact (Anu et al., 2023; Gurovic et al., 2022). Fungal biomass degradation, in particular, has been extensively studied for its ability to effectively break down complex lignocellulosic materials and produce a wide range of lignocellulose‐degrading enzymes (Cragg et al., 2015; Saldarriaga‐Hernández et al., 2020).…”

Section: Introductionmentioning

confidence: 99%

Fungal systems for lignocellulose deconstruction: From enzymatic mechanisms to hydrolysis optimization

Ren,

Wu,

et al. 2024

GCB Bioenergy

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Lignocellulosic biomass is an abundant renewable feedstock, but its complex structure of lignocellulose poses barriers to its enzymatic hydrolysis and fermentation. Fungi possess diverse lignocellulolytic enzyme systems that synergistically deconstruct lignocellulose into soluble sugars for fermentation. This review elucidates recent advances in understanding the molecular mechanisms underpinning fungal degradation of lignocellulose. We analyze major enzyme classes tailored by fungi to depolymerize cellulose, hemicellulose, and lignin. Highlighted are the concerted actions and intimate partnerships between these biomass‐degrading enzymes. Current challenges impeding large‐scale implementation of enzymatic hydrolysis are discussed, along with emerging biotechnological opportunities. Advanced pretreatments, high‐throughput enzyme engineering platforms, and machine learning or artificial intelligence‐guided lignocellulolytic enzyme cocktail optimization represent promising ways to improve hydrolytic efficiencies. Elucidating the coordinated interplay and regulation of fungal lignocellulolytic machinery can facilitate optimization of fungal biotechnology platforms. Harnessing the efficiency of fungal biomass deconstruction promises to enhance the development of biorefinery processes for sustainable bioenergy.

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