Assessing symbiont extinction risk using cophylogenetic data

This is a Preprint and has not been peer reviewed. The published version of this Preprint is available: https://doi.org/10.1016/j.biocon.2020.108705. This is version 5 of this Preprint.

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Authors

Jorge Doña, Kevin P. Johnson

Abstract

Symbionts have a unique mode of life that has attracted the attention of ecologists and evolutionary biologists for centuries. As a result of this attention, these disciplines have produced a mature body of literature on host-symbiont interactions. In contrast, the discipline of symbiont conservation is still in a foundational stage. Here, we aim to integrate methodologies on symbiont coevolutionary biology with the perspective of conservation. We focus on host-symbiont cophylogenies, because they have been widely used to study symbiont diversification history and contain information on symbiont extinction. However, cophylogenetic information has never been used nor adapted to the perspective of conservation. Here, we propose a new statistic, “cophylogenetic extinction rate” (Ec), based on coevolutionary knowledge, that uses data from event-based cophylogenetic analyses, and which could be informative to assess relative symbiont extinction risks. Finally, we propose potential future research to further develop estimation of symbiont extinction risk from cophylogenetic analyses and continue the integration of this existing knowledge of coevolutionary biology and cophylogenetics into future symbiont conservation studies and practices.

DOI

https://doi.org/10.32942/osf.io/ry9zm

Subjects

Biodiversity, Ecology and Evolutionary Biology, Genetics and Genomics, Immunology and Infectious Disease, Life Sciences, Other Life Sciences, Parasitology

Keywords

coevolution, coextinction risk, conservation biology, cophylogenies, host-symbiont interactions, parasites

Dates

Published: 2019-09-26 00:27

Last Updated: 2020-01-30 21:12

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License

CC-By Attribution-ShareAlike 4.0 International