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Full-Text Articles in Biology

The Potential For Dickeya Dianthicola To Be Vectored By Two Common Insect Pests Of Potatoes, Jonas K. Insinga Dec 2019

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 …


Localization Of Synapses On Adipocytes And Stromal Vascular Fraction Cells In Adipose Tissue Using Electron And Immunofluorescent Microscopy, Emma Garner May 2019

Localization Of Synapses On Adipocytes And Stromal Vascular Fraction Cells In Adipose Tissue Using Electron And Immunofluorescent Microscopy, Emma Garner

Honors College

Obesity, weight gain and the many metabolic disorders that can arise from being overweight are predominant health issues in America and in the State of Maine. The body’s ability to balance energy intake and energy expenditure is what determines whether a person gains or loses body fat. Although there are many different factors that influence energy storage and expenditure, neural innervation of white and brown fat (or adipose) tissues is an important aspect of energy balance that is not well understood. The Townsend Lab focuses on brain-adipose communication and the role of adipose peripheral nerves in maintaining proper body weight …