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Articles 1 - 4 of 4
Full-Text Articles in Pathogenic Microbiology
Characterizing The Cutaneous Microbiome Of Eurycea Lucifuga As A Potential Defense Against Chytridiomycosis, Madeline Key
Characterizing The Cutaneous Microbiome Of Eurycea Lucifuga As A Potential Defense Against Chytridiomycosis, Madeline Key
Senior Honors Theses
Chytridiomycosis is an emerging infectious disease that is significantly reducing global amphibian populations. The disease is caused by Batrachochytrium dendrobatidis (Bd), a fungus that lethally modifies amphibian skin. Recent research has suggested that the cutaneous microbiome of individual amphibians may play a role in susceptibility to the pathogen. In this study, twelve cave salamanders (Eurycea lucifuga) were collected. Cutaneous bacteria from each salamander were isolated and identified using Sanger Sequencing. Additionally, a Bd-challenge assay was performed to determine each isolate’s antifungal activity. Results indicated many microbial isolates possessed inhibitory capabilities against Bd, which may …
Conservation Risk Of Batrachochytrium Salamandrivorans To Endemic Lungless Salamanders, Edward Davis Carter, Debra L. Miller, Anna C. Peterson, William B. Sutton, Joseph Patrick W. Cusaac, Jennifer A. Spatz, Louise Rollins-Smith, Laura Reinert, Markese Bohanon, Lori A. Williams, Andrea Upchurch, Matthew J. Gray
Conservation Risk Of Batrachochytrium Salamandrivorans To Endemic Lungless Salamanders, Edward Davis Carter, Debra L. Miller, Anna C. Peterson, William B. Sutton, Joseph Patrick W. Cusaac, Jennifer A. Spatz, Louise Rollins-Smith, Laura Reinert, Markese Bohanon, Lori A. Williams, Andrea Upchurch, Matthew J. Gray
Agricultural and Environmental Sciences Faculty Research
The emerging fungal pathogen, Batrachochytrium salamandrivorans (Bsal), is a significant conservation threat to salamander biodiversity in Europe, although its potential to affect North American species is poorly understood. We tested the susceptibility of two genera (Eurycea and Pseudotriton) and three populations of lungless salamanders (Plethodontidae) to Bsal. All species became infected with Bsal and two (Pseudotriton ruber and Eurycea wilderae) developed chytridiomycosis. We also documented that susceptibility of E. wilderae differed among populations. Regardless of susceptibility, all species reduced feeding when exposed to Bsal at the highest zoospore dose, and P. ruber and one population of E. wilderae used cover …
Reporting Charcoal Rot In Chia And Developing A Susceptibility Assay, Reis M. Misaka, Hagop S. Atamian Dr., Julien Besnard Dr.
Reporting Charcoal Rot In Chia And Developing A Susceptibility Assay, Reis M. Misaka, Hagop S. Atamian Dr., Julien Besnard Dr.
Student Scholar Symposium Abstracts and Posters
Chia (Salvia Hispanica) cross breeds were planted in the summer of 2018 with the intent of selective breeding for agricultural benefit. Preexisting pathogens in the soil caused 40-50% fatality of adult plants. This was surprising due to the precursory knowledge that chia has antibiotic and antifungal oils (Elshafie et. al. 2018); chia was only recently documented to be susceptible to Fusarium wilt (Fusarium oxysporum). The primary pathogen responsible was identified as Macrophomina phaseolina (aka charcoal rot); a widespread soilborne pathogen which has multiple commercial hosts (Su et. al. 2001).
M. phaesolina on wheat seed vector where used as …
Breeding For Resistance In California Strawberry To Verticillium Dahliae, Zachary Christman
Breeding For Resistance In California Strawberry To Verticillium Dahliae, Zachary Christman
Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research
Since 1930 the University of California, Davis, has been developing strawberry cultivars that are adapted to the agricultural industry and regional farms. Developing cultivars that require fewer inputs are of significant economic importance in agronomy. Developing a crop resistant to a disease is beneficial for horticulturists since less labor and chemicals are needed for a high yield.6
In commercial strawberry cultivars, complete resistance to V. dahlia is extremely rare. The majority of Californian strawberry cultivars are highly susceptible to it.2 Over the last 18 years of plant breeding for strawberry cultivars with a high degree of resistance and …