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Assessing symbiont extinction risk using cophylogenetic data
Biological Conservation ( IF 4.9 ) Pub Date : 2020-10-01 , DOI: 10.1016/j.biocon.2020.108705
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 for symbiont coevolutionary biology with symbiont 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), which is based on coevolutionary knowledge from event-based cophylogenetic analyses and could be informative to assess relative symbiont extinction risks. Finally, we propose potential future research to further develop methods to estimate symbiont extinction risk from cophylogenetic analyses, and to continue the integration of this existing knowledge of coevolutionary biology and cophylogenetics into future symbiont conservation studies and practices.

中文翻译:

使用共系统发育数据评估共生体灭绝风险

摘要 共生体具有独特的生活方式,几个世纪以来一直受到生态学家和进化生物学家的关注。由于这种关注,这些学科已经产生了关于宿主-共生体相互作用的成熟文献。相比之下,共生体保护学科仍处于基础阶段。在这里,我们的目标是将共生体协同进化生物学的方法与共生体保护相结合。我们关注宿主-共生体共系统发育,因为它们已被广泛用于研究共生体多样化历史并包含有关共生体灭绝的信息。然而,共系统发育信息从未被使用或适应保护的观点。在这里,我们提出了一个新的统计数据,“共同系统发生灭绝率”(Ec),它基于来自基于事件的共系统发育分析的共同进化知识,可为评估相对共生体灭绝风险提供信息。最后,我们提出了潜在的未来研究,以进一步开发从共系统发育分析中估计共生体灭绝风险的方法,并继续将现有的协同进化生物学和共系统发育学知识整合到未来的共生体保护研究和实践中。
更新日期:2020-10-01
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