Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 12 of 12 for “"Xylanases"”.
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Purification, application and immunolocalization of thermostable xylanases
Submitted in fulfillment of the requirements of the degree of Master of Technology (Biotechnology), Durban University of Technology, Durban, South Africa, 2014.
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Pure culture and metagenomic approaches to investigate cellulose and xylan degradation
… of lignocellulose. The study of cellulases and xylanases that degrade cellulose and xylan into constituent monosaccharides is required to advance industrial application of these enzymes. The use of a traditional pure culture approach to discover and characterize cellulases and xylanases from …
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Two thermostable hemicellulases and their effects on wood pulps
… and mannanase had broad pH optima (6-7.5). The xylanases had temperature optima of 70°C (10 min assay) and the mannanase had an optimum of 80°C (10 min assay). All the cloned enzymes were thermostable with more than 95% of the enzyme activity remaining after 24 hours at 70°C, in an unbuffered …
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[EMBARGOED] Analysis of cereal cyst nematode resistance mechanisms in barley
… (1-4)-β-xylan endohydrolases, also known as xylanases. This thesis reports on experiments that were undertaken to better understand the resistance conferred by Rha4 and to investigate the functions of the xylanases as prime candidate genes. The xylanase genes at the Rha4 locus were cloned and …
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Use of feed technology to improve the nutritional value of feed ingredients and diets fed to pigs
… oxide, or a mixture of hemicellulases and xylanases did not improve ME or increase the digestibility of GE, OM, NDF, or ADF. However, treatment of DDGS with a mixture of cellulases and xylanases resulted in an increase (P < 0.05) in digestibility of GE and OM and increased (P < 0.05) ME …
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Exogenous enzymes and irradiation of barley reduce the anti-nutritional activity of non-starch polysaccharides in broilers
… carbohydrase enzymes consisting of cellulases, xylanases and â - glucanases (Roxazyme G at 150 g/ton). The two control diets were based on maize (low NSP diets) with either soy oil or yellow grease. The high NSP diets had significantly lower (P<0.05) apparent metabolisable energy (AME) and lipid …
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Identification of phytotoxins produced by fusarium virguliforme associated with foliar symptoms of sudden death syndrome and genome-wide association studies for soybean disease resistance
… results indicated F. virguliforme has conserved xylanases and development of transgenic soybean with wheat xylanase-inhibitor protein might enhance soybean resistance to F. virguliforme. In my third project, I incorporated soybean sensitivity to Tobacco ringspot virus (TRSV) to the single …
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Cloning and expression of xylanase variants in Pichia pastoris
Submitted in fulfilment for the requirement of a Degree of Master in Biotechnology, Durban University of Technology, Durban, South Africa, 2017.
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Fermentation and energetic value of fiber in feed ingredients and diets fed to pigs
… in the hindgut. In conclusion, microbial xylanases used in this experiment improved the digestibility of dietary fiber in the stomach and hindgut of pigs and improved energy status of pigs fed wheat-based diets, but not of pigs fed corn-based diets. Bulk density and SDF of the diet are …
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Development of a flat sheet woven fabric membrane fermenter for xylanase production by Thermomyces lanuginosus
Submitted in fulfilment of the requirements for the degree of Master of Engineering, Durban University of Technology, Durban, South Africa, 2015.
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Plant cell wall degrading enzymes and their potential application to biofuel production
… that Cb486 incubated with endoglucanases or endoxylanases should be able to enhance the release of glucose or xylose from cellulose and xylans respectively. As expected, Cb486 was also able to work synergistically with a number of endo-glucanases from the genome of C. bescii to release glucose …
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Investigation of host cell wall degrading strategies of Pseudomonas syringae pv. actinidiae (Psa)
… This research investigated whether Psa produces xylanases to degrade cell wall material of kiwifruit stems and facilitate systemic mobility of the pathogen from the infection site. The research also investigates whether vessel anatomy and xylem architecture play a role in the systemic mobility of …