Index Catalog // ScholarsArchive@OSU

Development and Infectious Disease in Hosts with Complex Life Cycles

Creator:: Searle, Catherine L., Xie, Gisselle Yang, and Blaustein, Andrew R.
Abstract:: Metamorphosis is often characterized by profound changes in morphology and physiology that can affect the dynamics of species interactions. For example, the interaction between a pathogen and its host may differ depending on the life stage of the host or pathogen. One pathogen that infects hosts with complex life cycles...
Resource Type:: Article
Full Text:: , Reeve JD, Alford RA, et al. (2006) Emerging infectious disease and the loss of biodiversity in a

Disturbance Driven Colony Fragmentation as a Driver of a Coral Disease Outbreak

Creator:: Brandt, Marilyn E., Smith, Tyler B., Correa, Adrienne M. S., and Vega-Thurber, Rebecca
Abstract:: In September of 2010, Brewer's Bay reef, located in St. Thomas (U.S. Virgin Islands), was simultaneously affected by abnormally high temperatures and the passage of a hurricane that resulted in the mass bleaching and fragmentation of its coral community. An outbreak of a rapid tissue loss disease among coral colonies...
Resource Type:: Article
Full Text:: the initiation and progression of disease outbreaks in corals. Diseases that cause rapid tissue loss

Heterogeneous Occupancy and Density Estimates of the Pathogenic Fungus Batrachochytrium dendrobatidis in Waters of North America

Creator:: Chestnut, Tara, Anderson, Chauncey, Popa, Radu, Blaustein, Andrew R., Voytek, Mary, Olson, Deanna H., and Kirshtein, Julie
Abstract:: Biodiversity losses are occurring worldwide due to a combination of stressors. For example, by one estimate, 40% of amphibian species are vulnerable to extinction, and disease is one threat to amphibian populations. The emerging infectious disease chytridiomycosis, caused by the aquatic fungus Batrachochytrium dendrobatidis (Bd), is a contributor to amphibian...
Resource Type:: Article
Full Text:: , and disease is one threat to amphibian populations. The emerging infectious disease chytridiomycosis

First Detection of the Larval Chalkbrood Disease Pathogen Ascosphaera apis (Ascomycota: Eurotiomycetes: Ascosphaerales) in Adult Bumble Bees

Creator:: Maxfield-Taylor, Sarah A., Mujic, Alija B., and Rao, Sujaya
Abstract:: Fungi in the genus Ascosphaera (Ascomycota: Eurotiomycetes: Ascosphaerales) cause chalkbrood disease in larvae of bees. Here, we report the first-ever detection of the fungus in adult bumble bees that were raised in captivity for studies on colony development. Wild queens of Bombus griseocollis, B. nevadensis and B. vosnesenskii were collected...
Resource Type:: Article
Full Text:: First Detection of the Larval Chalkbrood Disease Pathogen

Effects of Pesticide Mixtures on Host-Pathogen Dynamics of the Amphibian Chytrid Fungus

Creator:: Buck, Julia C., Hua, Jessica, Brogan, William R. III, Dang, Trang D., Urbina, Jenny, Blaustein, Andrew R., Bendis, Randall J., Stoler, Aaron B., and Relyea, Rick A.
Abstract:: Anthropogenic and natural stressors often interact to affect organisms. Amphibian populations are undergoing unprecedented declines and extinctions with pesticides and emerging infectious diseases implicated as causal factors. Although these factors often co-occur, their effects on amphibians are usually examined in isolation. We hypothesized that exposure of larval and metamorphic amphibians...
Resource Type:: Article

Risk of Exposure to Eastern Equine Encephalomyelitis Virus Increases with the Density of Northern Cardinals

Creator:: Estep, Laura K., McClure, Christopher J. W., Vander Kelen, Patrick, Burkett-Cadena, Nathan D., Sickerman, Stephen, Hernandez, José, Jinright, Joseph, Hunt, Brenda, Lusk, John, Hoover, Victor, Armstrong, Keith, Stark, Lillian M., Hill, Geoffrey E., and Unnasch, Thomas R.
Abstract:: For a variety of infectious diseases, the richness of the community of potential host species has emerged as an important factor in pathogen transmission, whereby a higher richness of host species is associated with a lowered disease risk. The proposed mechanism driving this pattern is an increased likelihood in species-rich...
Resource Type:: Article
Full Text:: , Tampa, Florida, United States of America Abstract For a variety of infectious diseases, the richness

Host Identity Matters in the Amphibian-Batrachochytrium dendrobatidis System: Fine-Scale Patterns of Variation in Responses to a Multi-Host Pathogen

Creator:: Gervasi, Stephanie, Gondhalekar, Carmen, Olson, Deanna H., and Blaustein, Andrew R.
Abstract:: Species composition within ecological assemblages can drive disease dynamics including pathogen invasion, spread, and persistence. In multi-host pathogen systems, interspecific variation in responses to infection creates important context dependency when predicting the outcome of disease. Here, we examine the responses of three sympatric host species to a single fungal pathogen,...
Resource Type:: Article
Full Text:: as emerging infectious diseases (EIDs) represent a major threat to global biodiversity

Viruses in unexplained encephalitis cases in American black bears (Ursus americanus)

Creator:: Alex, Charles E., Fahsbender, Elizabeth, Altan, Eda, Bildfell, Robert, Wolff, Peregrine, Jin, Ling, Black, Wendy, Jackson, Kenneth, Woods, Leslie, Munk, Brandon, Tse, Tiffany, Delwart, Eric, and Pesavento, Patricia A.
Abstract:: Viral infections were investigated in American black bears (Ursus americanus) from Nevada and northern California with and without idiopathic encephalitis. Metagenomics analyses of tissue pools revealed novel viruses in the genera Circoviridae, Parvoviridae, Anelloviridae, Polyomaviridae, and Papillomaviridae. The circovirus and parvovirus were of particular interest due to their potential importance...
Resource Type:: Article
Full Text:: , Chomel BB, Brown RN, Foley JE. Demographic characteristics and infectious diseases of a population of

Infection of Brachypodium distachyon by Formae Speciales of Puccinia graminis: Early Infection Events and Host-Pathogen Incompatibility

Creator:: Figueroa, Melania, Alderman, Stephen, Garvin, David F., and Pfender, William F.
Abstract:: Puccinia graminis causes stem rust, a serious disease of cereals and forage grasses. Important formae speciales of P. graminis and their typical hosts are P. graminis f. sp. tritici (Pg-tr) in wheat and barley, P. graminis f. sp. lolii (Pg-lo) in perennial ryegrass and tall fescue, and P. graminis f....
Resource Type:: Article
Full Text:: emerging genetic model to study fungal disease resistance in cereals and temperate grasses. We

De Novo Reconstruction of Consensus Master Genomes of Plant RNA and DNA Viruses from siRNAs

Creator:: Seguin, Jonathan, Rajeswaran, Rajendran, Malpica-López, Nachelli, Martin, Robert R., Kasschau, Kristin, Dolja, Valerian V., Otten, Patricia, Farinelli, Laurent, and Pooggin, Mikhail M.
Abstract:: Virus-infected plants accumulate abundant, 21–24 nucleotide viral siRNAs which are generated by the evolutionary conserved RNA interference (RNAi) machinery that regulates gene expression and defends against invasive nucleic acids. Here we show that, similar to RNA viruses, the entire genome sequences of DNA viruses are densely covered with siRNAs in...
Resource Type:: Article

ScholarsArchive@OSU

Development and Infectious Disease in Hosts with Complex Life Cycles

Disturbance Driven Colony Fragmentation as a Driver of a Coral Disease Outbreak

Heterogeneous Occupancy and Density Estimates of the Pathogenic Fungus Batrachochytrium dendrobatidis in Waters of North America

First Detection of the Larval Chalkbrood Disease Pathogen Ascosphaera apis (Ascomycota: Eurotiomycetes: Ascosphaerales) in Adult Bumble Bees

Effects of Pesticide Mixtures on Host-Pathogen Dynamics of the Amphibian Chytrid Fungus

Risk of Exposure to Eastern Equine Encephalomyelitis Virus Increases with the Density of Northern Cardinals

Host Identity Matters in the Amphibian-Batrachochytrium dendrobatidis System: Fine-Scale Patterns of Variation in Responses to a Multi-Host Pathogen

Viruses in unexplained encephalitis cases in American black bears (Ursus americanus)

Infection of Brachypodium distachyon by Formae Speciales of Puccinia graminis: Early Infection Events and Host-Pathogen Incompatibility

De Novo Reconstruction of Consensus Master Genomes of Plant RNA and DNA Viruses from siRNAs

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