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Full-Text Articles in Biology

Characterizing The Interaction Between Non-Pathogenic Fusarium Oxysporum And Arabidopsis Thaliana To Determine Beneficial Effects Conferred To The Model Plant Host, Kathryn Isabelle Vescio Oct 2019

Characterizing The Interaction Between Non-Pathogenic Fusarium Oxysporum And Arabidopsis Thaliana To Determine Beneficial Effects Conferred To The Model Plant Host, Kathryn Isabelle Vescio

Masters Theses

Fusarium oxysporum (Fo) is a soil-borne fungal pathogen that causes vascular wilt disease on a broad range of plants, including agricultural crops and the model plant Arabidopsis thaliana. There are non-pathogenic members of the Fo species complex that confer defense benefits against other pathogens to the host plant, however alteration to the host’s physiology through interaction with one of these strains, Fo47, have not been described. In this study, we aimed to establish the Fo47-A. thaliana interaction and determine if Fo47 reduces disease severity of a pathogenic Fo isolate, Fo5176. Additionally, we sought to use bioinformatics to mine …


Visual Attention In Jumping Spiders, Margaret Bruce Mar 2019

Visual Attention In Jumping Spiders, Margaret Bruce

Masters Theses

The different ways that animals extract and analyze visual information from their environment is of interest to sensory ecologists. Jumping spiders, well-known for visually guided mating and hunting behavior, are an interesting model for the study of visual attention because they quickly and efficiently integrate information from eight eyes with a small brain. Stimuli in front of the spider are examined by two functionally and morphologically distinct pairs of forward-facing eyes. The principal eyes discern fine details and have small retinas and thus a small visual field. However, their position at the back of moveable tubes within the cephalothorax expands …