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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 20 of 68 for “"Anaerobic bacteria"”.
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The anaerobic bacteria in the large intestine of mice
Thesis (M.S.)--Michigan State University. Dept. of Microbiology and Public Health, 1973
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Xylitol Production From D-Xylose by Facultative Anaerobic Bacteria
Seventeen species of facultative anaerobic bacteria belonging to three genera (Serratia, Cellulomonas, and Corynebacterium) were screened for the production of xylitol; a sugar alcohol used as a sweetener in the pharmaceutical and food industries. A chromogenic assay of both solid and liquid …
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The distribution of anaerobic bacteria along a soil drainage catena
Strict anaerobic culture techniques were used to enumerate the anaerobic bacteria present in three soil sites located along a drainage catena near Blacksburg, Virginia. An anaerobic cooked meat plus 0.5% glucose medium cultured the largest number of anaerobes from the poorly drained soil. The …
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The Requirements for Production and Germination of Spores of Anaerobic Bacteria
Made available in DSpace on 2014-12-05T21:45:26Z (GMT). No. of bitstreams: 1 0016401.pdf: 4387293 bytes, checksum: 695f2259c74d98ddf5ba283194eed3e3 (MD5) Previous issue date: 1956
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Applications of aerobic and anaerobic bacteria in the fields of biological degradation of contaminants and biological wastewater treatment
… (DDE) utilising pure bacterial cultures. The second investigation dealt with the degradation of DDE and polychlorinated Biphenyl’s (PCB’s) utilising anaerobic sediments and soils from New Zealand. The third investigation worked on the Granulation of anaerobic …
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Genetic and biochemical analysis of nitrogen metabolism in ruminal anaerobic bacteria: a comparison between ruminococcus albus 8 and prevotella ruminicola 23
… and biochemical pathways utilized by the rumen bacteria, Ruminococcus albus 8 and Prevotella ruminicola 23 during growth on, and metabolism of, different nitrogen sources. Both R. albus 8 and P. ruminicola 23 were grown using different nitrogen sources; ammonia, urea, or peptides for R. albus 8 …
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Cellulases from extremely thermophilic anaerobic bacteria: a comparison of several new cellulolytic isolates and the partial purification and characterisation of components of the cellulase complex from one isolate
… for growth and cellulase activity. Eight anaerobic cellulolytic cultures resulted. Cellulolytic isolates were obtained from five of these cultures. All were obligate anaerobic non-sporing rods, staining Gram-negative. Most grew well at 75°C but none grew at 80°C. CMCase activity from some …
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Characterizing the Role of the E. Coli Cytochrome Oxidase AppBCX During Intestinal Inflammation
… gut lumen, supporting the growth of facultative anaerobic bacteria primarily from the family Enterobacteriaceae. Additionally, recruitment of inflammatory cells, especially neutrophils, has also been shown to influence local oxygen levels. The oxidative burst mounted by neutrophils consumes …
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Regulation of Bacteroides chondroitin sulfate utilization genes
… of genes is probably important for survival of anaerobic bacteria that constitute the majority of bacteria in the human colon. Until recently, it was not possible to investigate regulation at the molecular level. I have completed the first such study using the chondroitin sulfate utilization …
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Die ondersoek na spesifieke bakteriegroepe in die feses van geselekteerde proefpersone
… humans. These organisms are mainly aerobic and anaerobic bacteria. This study was limited to the isolation and cultivation of specific groups of bacteria in the human gastrointestinal tract. Eight faecal samples were examined for the presence of the following bacteria, viz ., lactobacilli, …
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Modified atmosphere packaging of ground turkey thigh meat
… included psychrotrophic, lactic acid, and anaerobic bacteria enumerations, pH determinations were conducted to evaluate the effects of each treatment on the meat. Instrumentation color analysis CIE L* a* b* values were determined to measure color changes. Test results indicate the pH …
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Anode Material Testing for Marine Sediment Microbial Fuel Cells
… electron transfer to the anode is catalyzed by anaerobic bacteria in the sediment. The anaerobic bacteria have that are able to catalyze the electron transfer have been termed exoelectrogenic. The increase in scientific research of microbial fuel cell technology is based on increasing the …
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Laboratory denitrification using sediments from the Elk Valley Aquifer
… where sulfide is used as the electron donor by anaerobic bacteria to convert nitrate to harmless nitrogen gas. </p><p> Results of the laboratory study show that denitrification did occur in the samples, evidenced by the decrease in nitrate concentration and an increase in the concentration of …
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Transformations of mercury in the marine water column
… mercury methylation in anoxic sediments by anaerobic bacteria, mechanistic studies of water column methylation are severely limited. These essential studies have faced analytical challenges associated with quantifying femtomolar concentrations of the methylated Hg species dimethylmercury …
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Transformations of mercury in the marine water column
… mercury methylation in anoxic sediments by anaerobic bacteria, mechanistic studies of water column methylation are severely limited. These essential studies have faced analytical challenges associated with quantifying femtomolar concentrations of the methylated Hg species dimethylmercury …
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Hindgut fermentation in ruminating Holstein calves
… H2 had significantly greater numbers of viable anaerobic bacteria and lower pH._ Cecal digesta from calves fed high fiber diets (L1 and L2) had lower total VFA, propionate, and buytrate concentrations than calves fed high starch diets. Colonic and cecal digesta of calves fed diets H1 and H2 …
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Identification of Anaerobes in Clinical Specimens Comparison between the RapID ANA II System and the Bruker MALDI-TOF MS System utilized in the Clinical Laboratory
… as an invaluable platform for identifying anaerobic bacteria in the clinical laboratory over traditional methods such as the RapID ANA II System.</p> <p>A qualitative comparison is made, through the analysis of methodologies and specifications, to determine whether the RapID ANA II system …
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Assessing the Potential Role of Human Colonic Bacteroides Species in the Catabolism of Two Dietary Polymers in Vivo
Bacteroides, a genus of Gram negative obligately anaerobic bacteria, are among the most numerous organisms in the human colon. This genus contains the most versatile degraders of polysaccharides among the colonic microflora. Polysaccharides derived from the diet along with mucopolysaccharides and …
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Effects Of Environmental Factors On Anaerobic Granular Sludge In Upflow Anaerobic Sludge Blanket Reactors
… (micronutrients and toxicants) on high rate anaerobic digestion and anaerobic granular sludge were studied in laboratory-scale (20 litres) and bench-scale (1.2 litres) upflow anaerobic sludge blanket (UASB) reactors.;The anaerobic bacteria, when grown in feed lacking iron and cobalt, could …
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Salivary Reduction of Dietary Nitrate
… symbiotic NO3- reductase activity from the anaerobic bacteria (Actinomyces and Veillonella) species found in the tongue’s cleft. Preliminary genomic analyses of these species indicate the lack of nitrite (NO2-) reductase ortholog genes suggesting dissimilatory NO3- reduction. The goal of Aim …
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