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Recent Asian origin of chytrid fungi causing global amphibian declines

O'Hanlon, SJ; Rieux, A; Farrer, RA; Rosa, GM; Waldman, B; Bataille, A; Kosch, TA; ... Fisher, MC; + view all (2018) Recent Asian origin of chytrid fungi causing global amphibian declines. Science , 360 (6389) pp. 621-627. 10.1126/science.aar1965. Green open access

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Abstract

Globalized infectious diseases are causing species declines worldwide, but their source often remains elusive. We used whole-genome sequencing to solve the spatiotemporal origins of the most devastating panzootic to date, caused by the fungus Batrachochytrium dendrobatidis, a proximate driver of global amphibian declines. We traced the source of B. dendrobatidis to the Korean peninsula, where one lineage, BdASIA-1, exhibits the genetic hallmarks of an ancestral population that seeded the panzootic. We date the emergence of this pathogen to the early 20th century, coinciding with the global expansion of commercial trade in amphibians, and we show that intercontinental transmission is ongoing. Our findings point to East Asia as a geographic hotspot for B. dendrobatidis biodiversity and the original source of these lineages that now parasitize amphibians worldwide.

Type: Article
Title: Recent Asian origin of chytrid fungi causing global amphibian declines
Open access status: An open access version is available from UCL Discovery
DOI: 10.1126/science.aar1965
Publisher version: https://doi.org/10.1126/science.aar1965
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > Div of Biosciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > Div of Biosciences > Genetics, Evolution and Environment
URI: https://discovery.ucl.ac.uk/id/eprint/10046923
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