Lignin Biodegradation

, providing rigidity and resistance to biological warfare . Because it's insoluble, chemically complex, and lacking in hydrolysable linkages, lignin may be a difficult substrate for enzymatic depolymerization. Certain tissuesfungi, mostly basidiomycetes, are the sole organisms ready to extensively biodegrade it; white-rot fungi can completely mineralize ligninLignin is an aromatic polymer forming up to 30% of ligneous plant , whereas brown-rot fungi merely modify lignin while removing the carbohydrates in wood. Several oxidative and reductive extracellular enzymes (lignin peroxidase, manganese peroxidase, laccase, and cellobiose:quinone oxidoreductase) are isolated from ligninolytic fungi; the role of those enzymes in lignin biodegradation is being intensively studied. Enzymatic combustion, a process wherein enzymes generate reactive intermediates, but do not directly control the reactions leading to lignin breakdown, has been proposed as the mechanism of lignin biodegradation. The economic consequences of lignin biodegradation include wood decay and therefore the biogeochemical cycling of woody biomass. Efforts are being made to harness the delignifying abilities of white-rot fungi to assist wood and straw pulping and pulp bleaching. These fungi also can be wont to degrade a spread of pollutants in wastewaters and soils, to extend the digestibility of lignocellulosics, and possibly to bioconvert lignins to higher value products. Key words: delignification, white-rot fungi, biobleaching, lignin peroxidase, manganese peroxidase, laccase.

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Fertility cryopreservation in Oxford, UK
Jill Davies and Sheila Lane
Scientific Tracks Abstracts: Journal of Tissue Science and Engineering
Fertility cryopreservation in Oxford, UK
Jill Davies and Sheila Lane
Scientific Tracks Abstracts: Journal of Tissue Science and Engineering
Comparison of crosslinking reagent and platelet-rich plasma therapeutic efficacies on biomechanical functions and biochemistry properties of degraded intervertebral disc? An ex vivo study using whole organ culture system
Kuo Y W, Hsu Y C, Chang Y C, Chuang I T, Lin J H, Nikkhoo M and Wang, J L
Scientific Tracks Abstracts: Journal of Tissue Science and Engineering
Comparison of crosslinking reagent and platelet-rich plasma therapeutic efficacies on biomechanical functions and biochemistry properties of degraded intervertebral disc? An ex vivo study using whole organ culture system
Kuo Y W, Hsu Y C, Chang Y C, Chuang I T, Lin J H, Nikkhoo M and Wang, J L
Scientific Tracks Abstracts: Journal of Tissue Science and Engineering
Excluded stand control of hexameric helicase DNA unwinding
Michael A Trakselis
Scientific Tracks Abstracts: Molecular Biology: Open Access
Excluded stand control of hexameric helicase DNA unwinding
Michael A Trakselis
Scientific Tracks Abstracts: Molecular Biology: Open Access
Small player, large role: Microbial metabolic pathways associated with metabolic risk of cardiovascular disease
Jingyuan Fu
Scientific Tracks Abstracts: Metabolomics:Open Access
Small player, large role: Microbial metabolic pathways associated with metabolic risk of cardiovascular disease
Jingyuan Fu
Scientific Tracks Abstracts: Metabolomics:Open Access
The role of thiamine (Vitamin B2) in the modulation of metabolism of the phenylpropanoid pathway in grapevine (Vitis vinifera) leading to enhanced resistance to P. viticola
Hatem Boubakri
Accepted Abstracts: Metabolomics:Open Access
The role of thiamine (Vitamin B2) in the modulation of metabolism of the phenylpropanoid pathway in grapevine (Vitis vinifera) leading to enhanced resistance to P. viticola
Hatem Boubakri
Accepted Abstracts: Metabolomics:Open Access

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Journal of Tissue Science and Engineering