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8 results for “pigeons and doves”
Biogeographic history of pigeons and doves drives the origin and diversification of their parasitic body lice
<p>Despite their extensive diversity and ecological importance, the history of diversification for most groups of parasitic organisms remains relatively understudied. Elucidating broad macroevolutionary patterns of parasites is challenging, often limited by the availability of samples, genetic resources, and knowledge about ecological relationships with their hosts. In this study, we explore the macroevolutionary history of parasites by focusing on parasitic body lice from doves. Building on extensive knowledge of ecological relationships and previous phylogenomic studies of their avian hosts, we tested specific questions about the evolutionary origins of the body lice of doves, leveraging whole genome data sets for phylogenomics. Specifically, we sequenced whole genomes from 68 samples of dove body lice, including representatives of all body louse genera from 51 host taxa. From these data, we assembled >2,300 nuclear genes to estimate dated phylogenetic relationships among body lice and several outgroup taxa. The resulting phylogeny of body lice was well supported, although some branches had conflicting signal across the genome. We then reconstructed ancestral biogeographic ranges of body lice and compared the body louse phylogeny to phylogeny of doves, and also to a previously published phylogeny of the wing lice of doves. Divergence estimates placed the origin of body lice in the late Oligocene. Body lice likely originated in Australasia and dispersed with their hosts during the early Miocene, with subsequent codivergence and host switching throughout the world. Notably, this evolutionary history is very similar to that of dove wing lice, despite the stronger dispersal capabilities of wing lice compared to body lice. Our results highlight the central role of the biogeographic history of host organisms in driving the evolutionary history of their parasites across time and geographic space.</p>
Biogeographic history of pigeons and doves drives the origin and diversification of their parasitic body lice
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FIGURE 4 in New species and records of the quill mites of the genus Peristerophila Kethley 1970 (Acariformes: Syringophilidae) associated with pigeons and doves (Aves Columbiformes)
FIGURE 4. Peristerophila geopelis sp. nov., female. A, peritremes, B, fan-like seta p'III, Peristerophila leucomela sp. nov., female. C, peritremes; D, fan-like seta p'III.
FIGURE 1 in New species and records of the quill mites of the genus Peristerophila Kethley 1970 (Acariformes: Syringophilidae) associated with pigeons and doves (Aves Columbiformes)
FIGURE 1. Scheme of details of Peristerophila idiosomal sclerotizations (females). A–D, propodonotal shield; E–G, hysteronotal shield; H, pygidial shield.
FIGURE 2 in Molecular characterization of Haemoproteus sacharovi (Haemosporida, Haemoproteidae), a common parasite of columbiform birds, with remarks on classification of haemoproteids of doves and pigeons
FIGURE 2. Evolutionary relationships among haemosporidian parasite (Haemosporida) mitochondrial cytochrome b gene lineages estimated using Bayesian and maximum likelihood analyses. Nodes with bootstrap support> 90% are highlighted in red. Names of the lineages (when available) are given before the species names of parasites; GenBank accession numbers of the lineages are provided after the parasite species names. Clade Aa representing species of Parahaemoproteus subgenus transmitted by biting midges (Ceratopogonidae), Ab—species of Haemoproteus subgenus transmitted by hippoboscid flies, B—species of Plasmodium genus transmitted by mosquitoes (Culicidae), C—species of Leucocytozoon genus transmitted by black flies (Simulidae).
FIGURE 1 in Molecular characterization of Haemoproteus sacharovi (Haemosporida, Haemoproteidae), a common parasite of columbiform birds, with remarks on classification of haemoproteids of doves and pigeons
FIGURE 1. Mature gametocytes of haemoproteids of columbiform birds: Haemoproteus (Parahaemoproteus) turtur (A–C), Haemoproteus (Parahaemoproteus) sacharovi (D–F), Haemoproteus (Haemoproteus) columbae (G–I), Haemoproteus (Haemoproteus) multipigmentatus (J–L), and Haemoproteus (Haemoproteus) iwa (M–O). A, B, D, E, G, H, J, K, M, N—macrogametocytes; C, F, I, L, O—microgametocytes. Long arrows—nuclei of parasites; short arrows—unfilled spaces between gametocyte and nucleus of infected erythrocyte; triangle arrow heads—volutin granules; simple arrow head—vacuole. Giemsa-stained thin blood films. Bar = 10 µm.
FIGURE 3 in New species and records of the quill mites of the genus Peristerophila Kethley 1970 (Acariformes: Syringophilidae) associated with pigeons and doves (Aves Columbiformes)
FIGURE 3. Peristerophila leucomela sp. nov., female. A, dorsal view; B, ventral view.
FIGURE 2 in New species and records of the quill mites of the genus Peristerophila Kethley 1970 (Acariformes: Syringophilidae) associated with pigeons and doves (Aves Columbiformes)
FIGURE 2. Peristerophila geopelis sp. nov., female. A, dorsal view; B, ventral view.
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