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Articles 1 - 5 of 5
Full-Text Articles in Microbiology
The Potential For Dickeya Dianthicola To Be Vectored By Two Common Insect Pests Of Potatoes, Jonas K. Insinga
The Potential For Dickeya Dianthicola To Be Vectored By Two Common Insect Pests Of Potatoes, Jonas K. Insinga
Electronic Theses and Dissertations
Dickeya dianthicola (Samson) causing blackleg and soft rot was first detected in potatoes grown in Maine in 2014. Previous work has suggested that insects, particularly aphids, may be able to vector bacteria in this genus between plants, but no conclusive work has been done to confirm this theory. In order to determine whether insect-mediated transmission is likely to occur in potato fields, two model potato pests common in Maine were used: the Colorado potato beetle (Leptinotarsa decimlineata Say) and the green peach aphids (Myzus persicae Sulzer). Olfactometry and recruitment experiments evaluated if either insect discriminates between infected and …
Framing The Discussion Of Microorganisms As A Facet Of Social Equity In Human Health, Suzanne L. Ishaq, Maurisa Rapp, Risa Byerly, Loretta S. Mcclellan, Maya R. O'Boyle, Anika Nykanen, Patrick J. Fuller, Calvin Aas, June M. Stone, Sean Killpatrick, Manami M. Uptegrove, Alex Vischer, Hannah Wolf, Fiona Smallman, Houston Eymann, Simon Narode, Ellee Stapleton, Camille C. Cioffi, Hannah F. Tavalire
Framing The Discussion Of Microorganisms As A Facet Of Social Equity In Human Health, Suzanne L. Ishaq, Maurisa Rapp, Risa Byerly, Loretta S. Mcclellan, Maya R. O'Boyle, Anika Nykanen, Patrick J. Fuller, Calvin Aas, June M. Stone, Sean Killpatrick, Manami M. Uptegrove, Alex Vischer, Hannah Wolf, Fiona Smallman, Houston Eymann, Simon Narode, Ellee Stapleton, Camille C. Cioffi, Hannah F. Tavalire
Animal and Veterinary Sciences Faculty Scholarship
What do “microbes” have to do with social equity? These microorganisms are integral to our health, that of our natural environment, and even the “health” of the environments we build. The loss, gain, and retention of microorganisms—their flow between humans and the environment—can greatly impact our health. It is well-known that inequalities in access to perinatal care, healthy foods, quality housing, and the natural environment can create and arise from social inequality. Here, we focus on the argument that access to beneficial microorganisms is a facet of public health, and health inequality may be compounded by inequitable microbial exposure.
Examining The Microbiome Of Porphyra Umbilicalis In The North Atlantic, Margaret Aydlett
Examining The Microbiome Of Porphyra Umbilicalis In The North Atlantic, Margaret Aydlett
Honors College
Marine macroalgae host a diverse microbiota. Bacteria are the most prominent group, and relationships between the algae and bacteria are complex and dynamic. The goal of this project was to examine the distribution and ASV diversity of Bacteria associated with Porphyra umbilicalis with special focus on some isolates, including studies of their temperature dependence and consideration of how they may affect Porphyra. Previous studies showed that some bacteria are required for normal algal morphology and growth. Porphyra umbilicalis is an abundant red macroalga found in the intertidal zone and is an important food for invertebrates. Because of its significance in …
Intravital Imaging In A Zebrafish Model Elucidates Interactions Between Mucosal Immunity And Pathogenic Fungi, Linda S. Archambault
Intravital Imaging In A Zebrafish Model Elucidates Interactions Between Mucosal Immunity And Pathogenic Fungi, Linda S. Archambault
Electronic Theses and Dissertations
Candida yeasts are common commensals that can cause mucosal disease and life-threatening systemic infections. While many of the components required for defense against Candida albicans infection are well established, questions remain about how various host cells at mucosal sites assess threats and coordinate defenses to prevent normally commensal organisms from becoming pathogenic. Using two Candida species, C. albicans and C. parapsilosis, which differ in their abilities to damage epithelial tissues, we used traditional methods (pathogen CFU, host survival, and host cytokine expression) combined with high-resolution intravital imaging of transparent zebrafish larvae to illuminate host-pathogen interactions at the cellular level …
Determining Key Residues Of The Lyt-R Domain In The Streptococcal Cpsa Protein, Mohammad Hashmi
Determining Key Residues Of The Lyt-R Domain In The Streptococcal Cpsa Protein, Mohammad Hashmi
Honors College
Streptococcus agalactiae or Group B Streptococcus (GBS), is a Gram-positive commensal bacterium that is harmless in healthy adults, yet causes systemic diseases in neonates, the elderly, and immunocompromised individuals. Neonates are at risk of GBS infection in utero or during delivery due to the colonization of the organism in the vaginal canal of between 15-30% of adult females. GBS can cause severe neonatal sepsis and meningitis, as well as chorioamnionitis, which can cause premature birth and stillbirth. GBS infection is greatly facilitated by the presence of a bacterial capsule; a protective, polysaccharide matrix surrounding the cell that plays a key …