Horizontal transmission maintains host specificity and codiversification of symbionts in a brood parasitic host

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dc.creatorLuiz Gustavo A. Pedroso
dc.creatorPavel B. Klimov
dc.creatorSergey V. Mironov
dc.creatorBarry M. OConnor
dc.creatorHenk R. Braig
dc.creatorAlmir R. Pepato
dc.creatorKevin P. Johnson
dc.creatorQixin He
dc.creatorFabio Akashi Hernandes
dc.date.accessioned2025-01-21T21:48:50Z
dc.date.accessioned2025-09-08T22:59:29Z
dc.date.available2025-01-21T21:48:50Z
dc.date.issued2023-11-16
dc.format.mimetypepdf
dc.identifier.doihttps://doi.org/10.1038/s42003-023-05535-1
dc.identifier.issn2399-3642
dc.identifier.urihttps://hdl.handle.net/1843/79389
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofCommunications Biology
dc.rightsAcesso Aberto
dc.subjectÁcaros
dc.subjectRelação hospedeiro-parasito
dc.subject.otherAcarologia
dc.subject.otherEctoparasitas
dc.titleHorizontal transmission maintains host specificity and codiversification of symbionts in a brood parasitic host
dc.typeArtigo de periódico
local.citation.epage12
local.citation.spage1
local.citation.volume6
local.description.resumoIn host-symbiont systems, interspecific transmissions create opportunities for host switches, potentially leading to cophylogenetic incongruence. In contrast, conspecific transmissions often result in high host specificity and congruent cophylogenies. In most bird-feather mite systems, conspecific transmission is considered dominant, while interspecific transmission is supposedly rare. However, while mites typically maintain high host specificity, incongruent cophylogenies are common. To explain this conundrum, we quantify the magnitude of conspecific vs. interspecific transmission in the brood parasitic shiny cowbird (Molothrus bonariensis). M. bonariensis lacks parental care, allowing the assessment of the role of horizontal transmission alone in maintaining host specificity. We found that despite frequent interspecific interactions via foster parental care, mite species dispersing via conspecific horizontal contacts are three times more likely to colonize M. bonariensis than mites transmitted vertically via foster parents. The results highlight the previously underappreciated rate of transmission via horizontal contacts in maintaining host specificity on a microevolutionary scale. On a macroevolutionary scale, however, host switches were estimated to have occurred as frequently as codivergences. This suggests that macroevolutionary patterns resulting from rare events cannot be easily generalized from short-term evolutionary trends.
local.identifier.orcidhttps://orcid.org/0000-0002-9129-1362
local.identifier.orcidhttps://orcid.org/0000-0002-9966-969X
local.identifier.orcidhttps://orcid.org/0000-0003-0417-5687
local.identifier.orcidhttps://orcid.org/0000-0003-4588-0788
local.identifier.orcidhttps://orcid.org/0000-0001-9592-1141
local.identifier.orcidhttps://orcid.org/0000-0002-2944-4209
local.identifier.orcidhttps://orcid.org/0000-0002-4151-816X
local.identifier.orcidhttps://orcid.org/0000-0003-1696-8203
local.identifier.orcidhttps://orcid.org/0000-0003-3504-2609
local.publisher.countryBrasil
local.publisher.departmentICB - DEPARTAMENTO DE ZOOLOGIA
local.publisher.initialsUFMG
local.url.externahttps://www.nature.com/articles/s42003-023-05535-1

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