Bioproduction of Fungal Cellulases and Hemicellulases Through Solid State Fermentation

Shah, Amita; Patel, Harshvadan; Narra, Madhuri

doi:10.1007/978-3-319-19456-1_7-1

Cited by 3 publications

(5 citation statements)

References 193 publications

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“…For SSF, choice of suitable substrate is becoming a very crucial aspect as it anchorages the microbial growth besides serving as source of nutrients and inducers (Shah et al 2017 ). Hence, the production of endoglucanase was attempted using various agro residues like wheat bran, wheat straw, rice straw and sugarcane bagasse as a sole carbon source at 30°C under SSF.…”

Section: Resultsmentioning

confidence: 99%

“…The non-starch carbohydrate polymers composed of ~70% of arabinoxylans, ~24% of cellulose and ~6% of β-(1,3) (1,4)-glucan. Wheat bran provides a large surface area as it remains loose even under moist conditions (Sun et al 2007 ; Shah et al 2017 ).…”

Section: Resultsmentioning

confidence: 99%

“…Cellulase is a complex of enzymes that work synergistically to attack on native cellulose. Cellulase is a family of at least three groups of enzymes: Endoglucanases (EC 3.2.1.4) or β-1,4-D-glucan-4-glucanohydrolases, cut the internal glycosidic linkages in amorphous cellulose randomly and generate oligosaccharides of various chain lengths and consequently open new chain ends; Exoglucanases, including β-1,4-D-glucan glucanohydrolases (also known as cellodextrinases) (EC 3.2.1.74) and β-1,4-D-glucan cellobiohydrolases EC 3.2.1.91) act in a processive manner on reducing or nonreducing ends of cellulose polysaccharide chains, releasing either glucose (glucanohydrolases) or cellobiose (cellobiohydrolase) as major products; β-D-Glucosidases, or β-D-glucosideglucohydrolases (EC 3.2.1.21), act on cellobiose and cellodextrins and release D-glucose units (Shah et al 2017 ).…”

Section: Introductionmentioning

confidence: 99%

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Fomitopsis meliae CFA 2, a novel brown rot for endoglucanase: emphasis towards enhanced endoglucanase production by statistical approach

2021

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Brown rot basidiomycetes are a principal group of wood-decaying fungi which degrade wood cellulose and hemicellulose by the combination of carbohydrate active enzymes and nonenzymatic oxidation reactions. Very scant information is available on carbohydrate active enzymes of brown rot fungi. In this context, present study focused on the production of cellulolytichemicellulolytic enzymes from newly isolated brown rot Fomitopsis meliae CFA 2. Under solidstate fermentation using wheat bran as the substrate Fomitopsis meliae CFA 2 was able to produce a maximum of 1391.12 ± 21.13 U/g of endoglucanase along with other cellulolytic and hemicellulolytic enzymes. Various fermentation parameters were optimised for enhanced production of endoglucanase by employing Plackett-Burman design followed by Box-Behnken design. A wellfitted regression equation with R 2 value of 98.91% was attained for endoglucanase. The yield of endoglucanase was enhanced by 1.83-fold after executing statistical optimisation of various fermentative parameters. The newly isolated Fomitopsis meliae CFA 2 was found to be a potential producer of endoglucanase. Enzymatic saccharification of alkali-treated wheat straw and rice straw resulted in release of 190.8 and 318.8 mg/g of reducing sugars, respectively.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Fomitopsis meliae CFA 2, a novel brown rot for endoglucanase: emphasis towards enhanced endoglucanase production by statistical approach

2021

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“…Based on results, the treatments of T. viride and A. niger reduced hemicellulose contents, respectively, 19.42% and 12.18% from initial hemicellulose of cocoa shell. According to [48],…”

Section: Hemicellulose Degradation Of Cocoa Shellmentioning

confidence: 99%

Degradation of Lignocelluloses Cocoa Shell (Theobroma cacao L.) by Various Types of Mould Treatments

Djali

Kayaputri

Kurniati

et al. 2021

Journal of Food Quality

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Lignocellulose can be degraded by lignocellulolytic microorganisms such as moulds. The purpose of the study was to obtain the right type of moulds in degrading lignocellulose on the cocoa shell powder. The study used a completely randomized design method using four treatments of different types of mould (Trichoderma viride, Neurospora sitophila, Aspergillus niger, and Rhizopus oryzae) towards cocoa shell powder fermentation. Solid fermentation of cocoa shell powder was carried out for 5 days in an incubator with a temperature of 30°C for T. viride, N. sitophila, and R. oryzae, while A. niger of 35°C. The fermented substrate was then dried in a cabinet oven with a temperature of 50°C for 4 days. Tests of lignin, cellulose, and hemicellulose were performed towards the treatments by the Chesson method, while the moisture content test was performed using the AOAC method. Degradation of fermented cocoa shell powder has shown a significant effect on moisture, lignin, cellulose, and hemicellulose contents. Trichoderma viride resulted in the highest lignocellulose degradation compared with the other treatments. The percentage decrease of lignin content is up to 46.69 wt%; while cellulose of 22.59 wt%; and hemicellulose is about 19.41 wt% from the initial lignin weight.

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“…(Mishima et al, 2006) Industrialmente, la producción de enzimas de origen animal y vegetal ha presentado una tendencia menos importante, comparado con las enzimas producidas a partir de microorganismos. En especial las producidas por hongos ya que producen una amplia gama de enzimas extracelulares en las que se encuentran celulasas y hemicelulasas (Shah et al, 2015).…”

Section: Lirio Acuáticounclassified

Producción de celulasas y xilanasas por fermentación en estado sólido en biorreactores de escala semipiloto

Ramírez

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Bioproduction of Fungal Cellulases and Hemicellulases Through Solid State Fermentation

Cited by 3 publications

References 193 publications

Fomitopsis meliae CFA 2, a novel brown rot for endoglucanase: emphasis towards enhanced endoglucanase production by statistical approach

Fomitopsis meliae CFA 2, a novel brown rot for endoglucanase: emphasis towards enhanced endoglucanase production by statistical approach

Degradation of Lignocelluloses Cocoa Shell (Theobroma cacao L.) by Various Types of Mould Treatments

Producción de celulasas y xilanasas por fermentación en estado sólido en biorreactores de escala semipiloto

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