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Articles 1 - 4 of 4
Full-Text Articles in Entire DC Network
Switchgrass Extractives Have Potential As A Value-Added Antimicrobial Against Plant Pathogens And Foodborne Pathogens, Alexander Ian Bruce
Switchgrass Extractives Have Potential As A Value-Added Antimicrobial Against Plant Pathogens And Foodborne Pathogens, Alexander Ian Bruce
Masters Theses
Panicum virgatum (switchgrass), a perennial grass native to North America, is a leading biomass feedstock candidate for the manufacture of cellulosic ethanol. Switchgrass is considered a viable option for biofuel production due to its cheap production cost and ability to grow on marginal land. Biofuel derived from switchgrass has been shown to be very energy efficient, producing 540% more renewable energy versus nonrenewable energy expended. Switchgrass-derived biofuel is also estimated to have greenhouse gas emissions that are 94% lower than emissions from gasoline (Schmer et al 2008). Biofuels are created through biochemical processes that utilize various enzymes and microorganisms for …
Novel Advancements For Improving Sprout Safety, Kyle S. Landry
Novel Advancements For Improving Sprout Safety, Kyle S. Landry
Doctoral Dissertations
All varieties of bean sprouts (mung bean, alfalfa, broccoli, and radish) are classified as a “super-food” and are common staples for health conscious consumers. Along with the proposed health benefits, there is also an inherent risk of foodborne illness. When sprouts are cooked, there is little risk of illness. The purpose of this dissertation was to explore novel techniques to minimize or prevent the incidence of foodborne illness associated with the consumption of sprouts. Three areas were investigated: 1) the use of a biocontrol organism, 2) the use of a novel spontaneous carvacrol nanoemulsion, and 3) the influence of the …
Genetic Characterization Of Antimicrobial Activities Of The Bacteria Burkholderia Contaminans Ms14 And Pseudomonas Chlororaphis Ufb2, Peng Deng
Theses and Dissertations
Burkholderia contaminans MS14 shows excellent antimicrobial activities against a wide range of pathogens. Complete sequence analysis reveals that the MS14 genome harbors multiple gene loci that contribute to its antimicrobial activities and lacks key virulence features commonly found in pathogenic Burkholderia species. A mutagenesis study identified the genes required for MS14 antibacterial activities and gene expression profiling targeted a polyketide synthase (PKS) gene cluster. Site-specific mutagenesis confirmed the PKS gene cluster is directly related to MS14 antibacterial activities and the PKS gene product is predicted to be the MS14 antibacterial compound. Strain UFB2 isolated from Mississippi shows significant antifungal and …
Assessing The Contribution Of Geography And Host Use To Genetic Structure In New York Populations Of The Parasitoid Wasp, Aphidius Ervi, Haley Jay Plasman
Assessing The Contribution Of Geography And Host Use To Genetic Structure In New York Populations Of The Parasitoid Wasp, Aphidius Ervi, Haley Jay Plasman
Dissertations - ALL
Host-associated differentiation (HAD) has been shown to be important in generating genetic differentiation within herbivorous insects, but the applicability of HAD to other parasitic taxonomic groups remains unclear. For example, parasitoid wasps that attack herbivorous insects share many similar life habits with their hosts, suggesting that HAD may also be a prevalent and important mechanism in this group. I tested for the genetic signature of HAD in the parasitoid wasp, Aphidius ervi, that attacks aphids. Aphidius ervi is a biocontrol agent that uses many species of pest aphids including the clover and alfalfa host-races of the pea aphid (Acyrthospihon pisum). …