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Host niche may determine disease-driven extinction risk

Mark Blooi (UGent) , Alexandra Laking, An Martel (UGent) , Freddy Haesebrouck (UGent) , Merlijn Jocque, Tom Brown, Stephen Green, Miguel Vences, Molly C Bletz and Frank Pasmans (UGent)
(2017) PLOS ONE. 12(7).
Author
Organization
Abstract
The fungal pathogen Batrachochytrium dendrobatidis (Bd) drives declines and extinctions in amphibian communities. However, not all regions and species are equally affected. Here, we show that association with amphibian aquatic habitat types (bromeliad phytotelmata versus stream) across Central America results in the odds of being threatened by Bd being five times higher in stream microhabitats. This differential threat of Bd was supported in our study by a significantly lower prevalence of Bd in bromeliad-associated amphibian species compared to riparian species in Honduran cloud forests. Evidence that the bromeliad environment is less favorable for Bd transmission is exemplified by significantly less suitable physicochemical conditions and higher abundance of Bd-ingesting micro-eukaryotes present in bromeliad water. These factors may inhibit aquatic Bd zoospore survival and the development of an environmental reservoir of the pathogen. Bromeliad phytotelmata thus may act as environmental refuges from Bd, which contribute to protecting associated amphibian communities against chytridiomycosis-driven amphibian declines that threaten the nearby riparian communities.
Keywords
PATHOGEN BATRACHOCHYTRIUM-DENDROBATIDIS, EMERGING AMPHIBIAN PATHOGEN, PICADOS BROMELIAD TREEFROG, FUNGAL PATHOGEN, POPULATION DECLINES, PROTECTED AREAS, CENTRAL-AMERICA, CHYTRID FUNGUS, CHYTRIDIOMYCOSIS, BIODIVERSITY

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Citation

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MLA
Blooi, Mark, et al. “Host Niche May Determine Disease-Driven Extinction Risk.” PLOS ONE, vol. 12, no. 7, 2017, doi:10.1371/journal.pone.0181051.
APA
Blooi, M., Laking, A., Martel, A., Haesebrouck, F., Jocque, M., Brown, T., … Pasmans, F. (2017). Host niche may determine disease-driven extinction risk. PLOS ONE, 12(7). https://doi.org/10.1371/journal.pone.0181051
Chicago author-date
Blooi, Mark, Alexandra Laking, An Martel, Freddy Haesebrouck, Merlijn Jocque, Tom Brown, Stephen Green, Miguel Vences, Molly C Bletz, and Frank Pasmans. 2017. “Host Niche May Determine Disease-Driven Extinction Risk.” PLOS ONE 12 (7). https://doi.org/10.1371/journal.pone.0181051.
Chicago author-date (all authors)
Blooi, Mark, Alexandra Laking, An Martel, Freddy Haesebrouck, Merlijn Jocque, Tom Brown, Stephen Green, Miguel Vences, Molly C Bletz, and Frank Pasmans. 2017. “Host Niche May Determine Disease-Driven Extinction Risk.” PLOS ONE 12 (7). doi:10.1371/journal.pone.0181051.
Vancouver
1.
Blooi M, Laking A, Martel A, Haesebrouck F, Jocque M, Brown T, et al. Host niche may determine disease-driven extinction risk. PLOS ONE. 2017;12(7).
IEEE
[1]
M. Blooi et al., “Host niche may determine disease-driven extinction risk,” PLOS ONE, vol. 12, no. 7, 2017.
@article{8534193,
  abstract     = {{The fungal pathogen Batrachochytrium dendrobatidis (Bd) drives declines and extinctions in amphibian communities. However, not all regions and species are equally affected. Here, we show that association with amphibian aquatic habitat types (bromeliad phytotelmata versus stream) across Central America results in the odds of being threatened by Bd being five times higher in stream microhabitats. This differential threat of Bd was supported in our study by a significantly lower prevalence of Bd in bromeliad-associated amphibian species compared to riparian species in Honduran cloud forests. Evidence that the bromeliad environment is less favorable for Bd transmission is exemplified by significantly less suitable physicochemical conditions and higher abundance of Bd-ingesting micro-eukaryotes present in bromeliad water. These factors may inhibit aquatic Bd zoospore survival and the development of an environmental reservoir of the pathogen. Bromeliad phytotelmata thus may act as environmental refuges from Bd, which contribute to protecting associated amphibian communities against chytridiomycosis-driven amphibian declines that threaten the nearby riparian communities.}},
  articleno    = {{e0181051}},
  author       = {{Blooi, Mark and Laking, Alexandra and Martel, An and Haesebrouck, Freddy and Jocque, Merlijn and Brown, Tom and Green, Stephen and Vences, Miguel and Bletz, Molly C and Pasmans, Frank}},
  issn         = {{1932-6203}},
  journal      = {{PLOS ONE}},
  keywords     = {{PATHOGEN BATRACHOCHYTRIUM-DENDROBATIDIS,EMERGING AMPHIBIAN PATHOGEN,PICADOS BROMELIAD TREEFROG,FUNGAL PATHOGEN,POPULATION DECLINES,PROTECTED AREAS,CENTRAL-AMERICA,CHYTRID FUNGUS,CHYTRIDIOMYCOSIS,BIODIVERSITY}},
  language     = {{eng}},
  number       = {{7}},
  pages        = {{17}},
  title        = {{Host niche may determine disease-driven extinction risk}},
  url          = {{http://doi.org/10.1371/journal.pone.0181051}},
  volume       = {{12}},
  year         = {{2017}},
}
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