Genetic evidence for sex-biased dispersal and cryptic diversity in the greater horseshoe bat, Rhinolophus ferrumequinum

Jang, Ji Eun; Byeon, Seo Yeon; Kim, Hye Ri; Kim, Ji Young; Myeong, Hyeon Ho; Lee, Hyuk Je

doi:10.1007/s10531-021-02120-y

Cited by 8 publications

(5 citation statements)

References 62 publications

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“…This suggests male-biased dispersal in H. pomona. Our results are consistent with those of other bat species, such as Myotis myotis (Castella et al, 2001), Rhinolophus ferrumequinum (Jang et al, 2021), and Epiticus fuscus (Turmelle et al, 2011), indicating female philopatry and male-biased dispersal in these bats.…”

Section: Effect Of the Hengduan Mountains And Qiongzhou Strait On Gen...supporting

confidence: 91%

“…In the present study, IMa2 analysis results did not reveal significant gene flow between the mitochondrial and nuclear genes in the various groups. Because of the obstruction of gene flow, communication between populations is reduced, and the chance of self‐breeding is increased, thus strengthening the genetic decline of the species (Jang et al., 2021), which may be one of the reasons for the endangerment of a species. The gene flow of nuclear genes is an indicator of the negative impact of the contemporary environment, especially habitat fragmentation caused by anthropogenic activities (Shaw et al., 2018); thus, gene flow should be carefully monitored to protect this species.…”

Section: Discussionmentioning

confidence: 99%

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Exploring the endangerment mechanisms of Hipposideros pomona based on molecular phylogeographic methods

Liu,

Hao,

Song

et al. 2023

Ecology and Evolution

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The endangerment mechanisms of various species are a focus of studies on biodiversity and conservation biology. Hipposideros pomona is an endangered species, but the reasons behind its endangerment remain unclear. We investigated the endangerment mechanisms of H. pomona using mitochondrial DNA, nuclear DNA, and microsatellite loci markers. The results showed that the nucleotide diversity of mitochondria DNA and heterozygosity of microsatellite markers were high (π = 0.04615, HO = 0.7115), whereas the nucleotide diversity of the nuclear genes was low (THY: π = 0.00508, SORBS2: π = 0.00677, ACOX2: π = 0.00462, COPS7A: π = 0.00679). The phylogenetic tree and median‐joining network based on mitochondrial DNA sequences clustered the species into three clades, namely North Vietnam‐Fujian, Myanmar‐West Yunnan, and Laos‐Hainan clades. However, joint analysis of nuclear genes did not exhibit clustering. Analysis of molecular variance revealed a strong population genetic structure; IMa2 analysis did not reveal significant gene flow between all groups (p > .05), and isolation‐by‐distance analysis revealed a significant positive correlation between genetic and geographic distances (p < .05). The mismatch distribution analysis, neutral test, and Bayesian skyline plots revealed that the H. pomona population were relatively stable and exhibited a contraction trend. The results implied that H. pomona exhibits female philopatry and male‐biased dispersal. The Hengduan Mountains could have acted as a geographical barrier for gene flow between the North Vietnam‐Fujian clade and the Myanmar‐West Yunnan clade, whereas the Qiongzhou Strait may have limited interaction between the Hainan populations and other clades. The warm climate during the second interglacial Quaternary period (c. 0.33 Mya) could have been responsible for species differentiation, whereas the cold climate during the late Quaternary last glacial maximum (c. 10 ka BP) might have caused the overall contraction of species. The lack of significant gene flow in nuclear microsatellite loci markers among the different populations investigated reflects recent habitat fragmentation due to anthropogenic activities; thus, on‐site conservation of the species and restoration of gene flow corridors among populations need immediate implementation.

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Section: Effect Of the Hengduan Mountains And Qiongzhou Strait On Gen...supporting

confidence: 91%

Section: Discussionmentioning

confidence: 99%

Exploring the endangerment mechanisms of Hipposideros pomona based on molecular phylogeographic methods

Liu,

Hao,

Song

et al. 2023

Ecology and Evolution

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“…Most bat species show sexual segregation in roost use, sociality, and mobility in their active periods, with females roosting in dense groups and males (even if present in the same location) roosting in smaller groups or as scattered individuals away from the females (Dietz et al, 2009). Moreover, female groups tend to be highly philopatric, whereas males show nomadic tendencies (Dietz et al, 2009;Jang et al, 2021). As a result, we hypothesized that these behavioral differences between sexes affect infection of their bat flies by Laboulbeniales.…”

Section: Discussionmentioning

confidence: 91%

Focus on Hyperparasites: Biotic and Abiotic Traits Affecting the Prevalence of Parasitic Microfungi on Bat Ectoparasites

et al. 2022

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The tritrophic association of bats, bat flies, and Laboulbeniales microfungi is a remarkably understudied system that may reveal patterns applicable to community ecology theory of (hyper)parasites. Laboulbeniales are biotrophic microfungi, exclusively associated with arthropods, with several species that are specialized on bat flies, which themselves are permanent ectoparasites of bats. Several hypotheses were tested on biotic and abiotic traits that may influence the presence and prevalence of hyperparasitic Laboulbeniales fungi on bat flies, based on southeastern European data. We found a wide distribution of fungal infection on bat flies, with underground-dwelling bats hosting more Laboulbeniales-infected flies compared to crevice-dwelling species. Bat host behavior, sociality, roost selection (underground versus crevice), bat fly sex, and season all have significant effects on the prevalence of fungal infection. Laboulbeniales infections are more common on bat flies that are infecting bat species with dense and long-lasting colonies (Miniopterus schreibersii, Myotis myotis, Myotis blythii), which roost primarily in underground sites. Inside these sites, elevated temperature and humidity may enhance the development and transmission of Laboulbeniales fungi. Sexual differences in bat hosts’ behavior also have an effect on fungal infection risk, with densely roosting female bat hosts harboring more Laboulbeniales-infected bat flies.

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“…For example, genetic analysis of the mastiff bat (Molossus milleri, family Molossidae) occurring on Jamaica, Cuba, and the Cayman Islands suggests that populations underwent bottlenecks, likely due to climate change in the early Pleistocene (Loureiro et al, 2020). Moreover, several studies have shown stronger genetic structure in the philopatric sex (mostly female), resulting from sex-biased dispersal behaviours in bat populations (Halczok et al, 2018;Jang et al, 2021;Moussy et al, 2013;Naidoo et al, 2016). In addition, bats often exhibit seasonal behaviours, .…”

Section: Introductionmentioning

confidence: 99%

Stuck on a small tropical island: widein-situdiversification of an urban-dwelling bat

Aguillon,

Castex,

Duchet

et al. 2023

Preprint

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Bats are often the only mammals naturally colonizing isolated islands and are thus an excellent biological model to study evolutionary processes of insular ecosystems. Here, we studied the Reunion free-tailed bat (Mormopterus francoismoutoui), an endemic species to Reunion Island that has adapted to urban settings. At regional scale, we investigated the evolutionary history of Mormopterus species, as well as on Reunion Island sex-specific and seasonal patterns of genetic structure. We used an extensive spatio-temporal sampling including 1,136 individuals from 18 roosts and three biological seasons (non-reproductive/winter, pregnancy/summer, and mating), with additional samples from Mormopterus species from neighbouring islands (M. jugularis of Madagascar and M. acetabulosus of Mauritius). Complementary information gathered from both microsatellite and mitochondrial markers revealed a high genetic diversity but no signal of spatial genetic structure and weak evidence of female philopatry. Regional analysis suggests a single colonization event for M. francoismoutoui, dated around 175,000 years ago, and followed by in-situ diversification and the evolution of deep divergent ancestral lineages, which today form a large metapopulation. Population expansion was relatively ancient (55,000 years ago) and thus not linked to human colonization of the island and the availability of new anthropic day-roost sites. Discordant structure between mitochondrial and microsatellite markers suggests the presence of yet-unknown mating sites, or the recent evolution of putative ecological adaptations. Our study illustrates how understanding mechanisms involved in speciation can be challenging and the importance of both mitochondrial and nuclear DNA in resolving the wide in-situ diversification of an urban-dwelling bat, endemic to a small island.

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Genetic evidence for sex-biased dispersal and cryptic diversity in the greater horseshoe bat, Rhinolophus ferrumequinum

Cited by 8 publications

References 62 publications

Exploring the endangerment mechanisms of Hipposideros pomona based on molecular phylogeographic methods

Exploring the endangerment mechanisms of Hipposideros pomona based on molecular phylogeographic methods

Focus on Hyperparasites: Biotic and Abiotic Traits Affecting the Prevalence of Parasitic Microfungi on Bat Ectoparasites

Stuck on a small tropical island: widein-situdiversification of an urban-dwelling bat

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