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Articles 1 - 5 of 5
Full-Text Articles in Other Microbiology
The Effects Of Aloe Vera On The Human Gut Microbiome, Samantha Leon
The Effects Of Aloe Vera On The Human Gut Microbiome, Samantha Leon
Honors Theses
The human gut microbiome is a diverse community of bacteria influenced by multiple factors including host age, geographical location, and diet. This study observed the effects of aloe vera juice on the human gut microbiome. Fecal samples were taken every two weeks over a period of one year; the subject consumed aloe vera juice in alternating cycles of consumption “on” and abstaining “off” with each cycle lasting for eight weeks. The bacterial community in each sample was characterized using 16S rRNA gene sequencing. Sequences were identified and their relative abundances were used to look for patterns distinguishing “on” and “off” …
Effect Of Temperature On The Microbiome Of A Laboratory-Reared Colony Of Haemaphysalis Longicornis Ticks, Brianna L. Mitchell
Effect Of Temperature On The Microbiome Of A Laboratory-Reared Colony Of Haemaphysalis Longicornis Ticks, Brianna L. Mitchell
Honors Theses
Haemaphysalis longicornis ticks are invasive to the United States with potential to transmit several tick-borne pathogens that are native to the United States. Based on existing locations of H. longicornis in its native regions in Asia, as well as its invasive populations that are established in the United States, several geographic range prediction models have been produced to help understand future range expansion and distribution of this invasive tick in North America. Unfortunately, these models do not all agree and there is uncertainty associated with the potential geographic range expansion of H. longicornis ticks in North America. Climate can affect …
Antibiotic-Resistant Bacteria In Freshwater Crayfish, Colby Finch
Antibiotic-Resistant Bacteria In Freshwater Crayfish, Colby Finch
Honors Theses
The presence of antibiotic-resistant bacteria is increasing in natural aquatic environments. Alongside this, organisms that live in these ecosystems are increasingly harboring antibiotic-resistant bacteria. In this study, I analyzed the capacity for the crayfish species Procambarus vioscai paynei to harbor antibiotic-resistant bacteria. Crayfish, as well as water and sediment, were sampled from a pond at the University of Mississippi Field Station. The guts of crayfish were plated on TSA agar, as well as agar containing vancomycin, erythromycin, penicillin, tetracycline, or ciprofloxacin. Following incubation, counts of bacteria were determined. Selected bacterial isolates were tested for multiple antibiotic-resistance. Bacterial isolates were also …
A Comparison Of Heterotroph Isolation And Sequencing Methods From Various Cyanobacterial And Algal Microbiomes, Victoria Starks
A Comparison Of Heterotroph Isolation And Sequencing Methods From Various Cyanobacterial And Algal Microbiomes, Victoria Starks
Honors Theses
Cyanobacteria have provided a vast, new source of natural products to be utilized in drug development. Because of their non-axenic nature, cyanobacteria typically have an abundance of symbiotic heterotrophs living in association with them. These bacteria can play significant roles in the survival of its cyanobacterial host as well as provide the potential production of unique compounds. The possibility of unknown natural products is only increased by the flexible nature of these bacteria, as altering its environmental state can change the activity of biosynthetic pathways and even activate novel production. Our research team’s intent is to isolate cyanobacterial strains from …
Factors Affecting The Parasitism Of Gregarine Species In Grasshoppers In Western Nebraska, Alexandra Creigh, Kristin Mclarty, Scott Lyell Gardner
Factors Affecting The Parasitism Of Gregarine Species In Grasshoppers In Western Nebraska, Alexandra Creigh, Kristin Mclarty, Scott Lyell Gardner
Honors Theses
We conducted a survey of the species of parasites found in grasshoppers around the area of Dunwoody’s Pond to investigate whether there were any species specific parasitic relationships occurring there. We collected grasshoppers from several areas around Dunwoody’s Pond totaling 15 species including Melanoplus bivittatus (Say 1825) , Melanoplus sanguinipes (Fabricius, 1798) , Melanoplus differentialis (Thomas 1865), and Melanoplus femurrubrum (De Geer 1773), along with others (Seymour et al., 2009) and compared the parasites found in them. This study is similar to one conducted in South America by Lloyd in 1951, and we hoped to find connections between species to …