ArticleScientific reports2020
Host density and habitat structure influence host contact rates and Batrachochytrium salamandrivorans transmission.
Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 39 citations in OpenAlex.
- Near-infrared spectroscopy as a diagnostic screening tool for lethal chytrid fungus in eastern newts.Communications biology · 2025Article
- Invasibility of a North American soil ecosystem to amphibian-killing fungal pathogens.Proceedings. Biological sciences · 2024Article
- Pathways linking nutrient enrichment, habitat structure, and parasitism to host-resource interactions.Oecologia · 2024Article
- Article
- One Health Approach to Globalizing, Accelerating, and Focusing Amphibian and Reptile Disease Research-Reflections and Opinions from the First Global Amphibian and Reptile Disease Conference.Emerging infectious diseases · 2023Article
- Divergent population responses following salamander mass mortalities and declines driven by the emerging pathogenProceedings. Biological sciences · 2023Article
- The adaptive microbiome hypothesis and immune interactions in amphibian mucus.Developmental and comparative immunology · 2023Review
- Broad host susceptibility of North American amphibian species to Batrachochytrium salamandrivorans suggests high invasion potential and biodiversity risk.Nature communications · 2023Article
- Frequency-dependent transmission of Batrachochytrium salamandrivorans in eastern newts.Transboundary and emerging diseases · 2022Article
- The fungal pathogenPeerJ · 2022Article
- Temperature and duration of exposure drive infection intensity with the amphibian pathogenPeerJ · 2022Article
- Article
- Host-multiparasite interactions in amphibians: a review.Parasites & vectors · 2021Review
Corrections and comments
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Authors and funding
9 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Batrachochytrium salamandrivorans (Bsal) is an emerging invasive pathogen that is highly pathogenic to salamander species. Modeling infection dynamics in this system can facilitate proactive efforts to mitigate this pathogen's impact on North American species. Given its widespread distribution and high abundance, the eastern newt (Notophthalmus viridescens) has the potential to significantly influence Bsal epidemiology. We designed experiments to 1) estimate contact rates given different host densities and habitat structure and 2) estimate the probability of transmission from infected to susceptible individuals. Using parameter estimates from data generated during these experiments, we modeled infection and disease outcomes for a population of newts using a system of differential equations. We found that host contact rates were density-dependent, and that adding habitat structure reduced contacts. The probability of Bsal transmission given contact between newts was very high (>90%) even at early stages of infection. Our simulations show rapid transmission of Bsal among individuals following pathogen introduction, with infection prevalence exceeding 90% within one month and >80% mortality of newts in three months. Estimates of basic reproductive rate (R
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