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Expanding Distribution of Lethal Amphibian Fungus Batrachochytrium salamandrivorans in Europe
- A. Spitzen-van der Sluijs, A. Martel, +22 authors S. Lötters
- Biology, MedicineEmerging infectious diseases
- 1 July 2016
Emerging fungal diseases can drive amphibian species to local extinction. During 2010–2016, we examined 1,921 urodeles in 3 European countries. Presence of the chytrid fungus Batrachochytrium…
Composition of the Cutaneous Bacterial Community in Japanese Amphibians: Effects of Captivity, Host Species, and Body Region
The cutaneous microbiota of amphibians is confirmed as a highly dynamic system influenced by a complex interplay of numerous factors, revealing an intrinsic host effect.
First detection of the emerging fungal pathogen Batrachochytrium salamandrivorans in Germany
This study indicates that this pathogen can potentially infect all fire salamander species and subspecies and if Bsal spreads from captive collections to wild populations, then a similar devastating effect associated with high mortality should be expected.
Impact of asynchronous emergence of two lethal pathogens on amphibian assemblages
- G. M. Rosa, Joana Sabino-Pinto, +9 authors J. Bosch
- Biology, MedicineScientific reports
- 27 February 2017
It is found little evidence that pre-existing chytrid emergence was associated with ranavirus and the emergence of ranavirosis, and co-infection dynamics have been largely overlooked in an amphibian assemblage in Serra da Estrela.
Asymptomatic infection of the fungal pathogen Batrachochytrium salamandrivorans in captivity
- Joana Sabino-Pinto, M. Veith, M. Vences, S. Steinfartz
- Medicine, BiologyScientific Reports
- 6 August 2018
The detection of Bsal-positive alive specimens of the hyper-susceptible fire salamander could indicate the existence of a less aggressive Bsal variant or the importance of environmental conditions for infection progression, and may increase the likelihood of the pathogen being introduced from captivity into the wild, and calls for according biosecurity measures.
Temporal changes in cutaneous bacterial communities of terrestrial‐ and aquatic‐phase newts (Amphibia)
- Joana Sabino-Pinto, P. Galán, +5 authors M. Vences
- Medicine, BiologyEnvironmental microbiology
- 6 June 2017
The regular transitions of adult newts between aquatic and terrestrial environments might contribute to the diversity of their skin microbiota and could increase disease resistance.
Cutaneous microbiota of the Japanese giant salamander (Andrias japonicus), a representative of an ancient amphibian clade
This study used 16S amplicon sequencing to provide the first data on the composition and diversity of the cutaneous microbiome of this species, and identified eight bacteria that were significantly more abundant on A. japonicus compared to syntopic amphibians.
Low infection prevalence of the amphibian chytrid fungus Batrachochytrium dendrobatidis (Chytridiomycetes: Rhizophydiales) in Cuba
The results indicate that Bd occurrence in Cuba might be concentrated in or even restricted to the central Guamuhaya Massif and call for increased conservation and monitoring efforts in these mountains along with additional sampling in areas and species not covered in this study.
Disruption of skin microbiota contributes to salamander disease
- M. Bletz, Moira Kelly, +8 authors A. Martel
- Biology, MedicineProceedings of the Royal Society B: Biological…
- 29 August 2018
It is suggested that fire salamander skin, in natural settings, maintains bacterial communities at numbers too low to confer sufficient protection against Bsal, and, in fact, the native skin microbiota can constitute a source of opportunistic bacterial pathogens that contribute to pathogenesis.
Detectability vs. time and costs in pooled DNA extraction of cutaneous swabs: a study on the amphibian chytrid fungi
It is confirmed that pooled DNA extraction of cutaneous swabs can substantially reduce processing time and costs without minimizing detection sensitivity, of relevance especially for the new emerging pathogen Bsal, which has so far been tested and massive monitoring efforts in putatively unaffected regions are underway.