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57 results for “haemosporidian parasites”
Data from: Generalist haemosporidian parasites are better adapted to a subset of host species in a multiple host community
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Data from: Diversity of haemosporidian parasites in Mississippi songbirds
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Data from: Survey of haemosporidian parasites in resident and migrant game birds of Illinois
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Artificial light at night amplifies seasonal relapse of haemosporidian parasites in a widespread songbird
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Data from: Prevalence and diversity of haemosporidian parasites in the yellow-rumped warbler hybrid zone
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Data from: Neotropical migratory and resident birds occurring in sympatry during winter have distinct haemosporidian parasite assemblages
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The probability of being infected with haemosporidian parasites increases with host age
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Data from: Haemosporidian parasites depress breeding success and plumage coloration in female barn swallows (Hirundo rustica)
Parasites are major effectors of natural selection and also play a role in sexual selection processes. Haemosporidian blood parasites are common in vertebrates and have been shown to vary in their effects depending on both the parasite and host species, on the host trait investigated as well as on host condition and stage of infection. Here we investigated infection of adult barn swallows (Hirundo rustica) by Plasmodium, Leucocytozoon and Haemoproteus species during the chronic stage of infection and the consequences for host fitness traits. Prevalence was higher than 10% only for Plasmodium. Chronic stage infection by Plasmodium was associated with reduced female breeding success, but did not affect breeding dates. Infection did not affect the expression of male secondary sexual traits (tail length and melanin‐based plumage coloration), but was associated with paler coloration of females. Finally, we found a negative effect of infection by Plasmodium on feather growth rate in older but not in yearling individuals. Because feathers are moulted during wintering in sub‐Saharan Africa where infection of barn swallows by Plasmodium occurs, our results suggest that male secondary sexual traits have little potential to reveal acute‐stage infection whereas plumage coloration of females may advertise their infection status. In addition, these results suggest that infection by Plasmodium can influence the course of plumage moult. Thus, our results add to the observations of negative effects of haemosporidian infection on fitness traits in birds and provides evidence that these effects can vary among traits and in relation to age and sex.
Data from: Phylogeny of haemosporidian blood parasites revealed by a multi-gene approach
The apicomplexan order Haemosporida is a clade of unicellular blood parasites that infect a variety of reptilian, avian and mammalian hosts. Among them are the agents of human malaria, parasites of the genus Plasmodium, which pose a major threat to human health. Illuminating the evolutionary history of Haemosporida may help us in understanding their enormous biological diversity, as well as tracing the multiple host switches and associated acquisitions of novel life-history traits. However, the deep-level phylogenetic relationships among major haemosporidian clades have remained enigmatic because the datasets employed in phylogenetic analyses were severely limited in either gene coverage or taxon sampling. Using a PCR-based approach that employs a novel set of primers, we sequenced fragments of 21 nuclear genes from seven haemosporidian parasites of the genera Leucocytozoon, Haemoproteus, Parahaemoproteus, Polychromophilus and Plasmodium. After addition of genomic data from 25 apicomplexan species, the unreduced alignment comprised 20,580 bp from 32 species. Phylogenetic analyses were performed based on nucleotide, codon and amino acid data employing Bayesian inference, maximum likelihood and maximum parsimony. All analyses resulted in highly congruent topologies. We found consistent support for a basal position of Leucocytozoon within Haemosporida. In contrast to all previous studies, we recovered a sister group relationship between the genera Polychromophilus and Plasmodium. Within Plasmodium, the sauropsid and mammal-infecting lineages were recovered as sister clades. Support for these relationships was high in nearly all trees, revealing a novel phylogeny of Haemosporida, which is robust to the choice of the outgroup and the method of tree inference.
Songbird preen oil odour reflects haemosporidian parasite load
<p>Data used for Talbott et al. 2022 <em>Animal Behaviour</em> (in press; anticipated publish date in June 2022). This data set includes capture data, proportion data for preen oil volatile compounds identified and quantified by GC-MS (trace values added; see paper for details), diagnostic data (qPCR for haemosporidian parasite load, given as proportion of parasite to host DNA), and FASTA files for parasite DNA sequences (sequences isolated using 343F/496R primer set)</p>
Fig. 1 in Detection of haemosporidian parasites in wild and domestic birds in northern and central provinces of Iran: Introduction of new lineages and hosts
Fig. 1. Diversity of reported lineages in the same hosts in the current study. Frequency and diversity of available lineages of each continent are given from A to C. Plasmodium (A), Haemoproteus (B) and Leucocytozoon (C). The Y axis is the geographic locations (continents) and the X axis is the frequency of known lineages around the world.
Fig. 1 in Is it best on the nest? Effects of avian life-history on haemosporidian parasitism
Fig. 1. Locations and land cover of sampling sites of Tabankulu village, Simunye town, and Mbuluzi Game Reserve in northeastern Eswatini (Eswatini Sentinel2 Land Use Land Cover 2016).
Fig. 6 in First molecular investigation of haemosporidian parasites in Thai bat species
Fig. 6. Phylogenetic (ML) relationship of the Nycteria cytb gene fragment (378 bp) obtained in the present study (taxa with blue circles) and the other isolates previously deposited in GenBank™ database. Nycteria from Asian bats clustered in clade 2 and a separate clade from the African bat isolates (in clade 1). BS values greater than 50% are shown in the figure. The other clades, consisting of Hepatocystis, Polychromophilus, Plasmodium, and outgroup are collapsed. (For interpretation of the references to color in this figure legend, the reader is referred to the Web version of this article.)
Haemosporidian parasites of Neotropical birds: causes and consequences of infection
<p>Haemosporidian parasites of the genera <i>Plasmodium</i>, <i>Haemoproteus</i>, and <i>Leucocytozoon </i>are among the best studied parasites of Neotropical birds. Here, we describe variation in haemosporidian prevalence (i.e., the proportion of infected birds in a sampled population) in Neotropical birds. We review correlates of haemosporidian prevalence (including several avian life-history traits, climate, and season) and the population and evolutionary consequences of infection for Neotropical birds. We find that prevalence varies among avian taxonomic families, genera, and even among species within the same genus, suggesting that prevalence reflects multiple factors, some of which (e.g., avian incubation period) are associated with avian family-level variation in prevalence while others (e.g., avian abundance) are associated with variation in prevalence among closely related host species. We find few correlates of prevalence that have been consistently demonstrated across studies. Prevalence in populations of many Neotropical birds has been estimated by microscopic examination of blood smears, which affords limited opportunity for comparison with data generated by molecular methods. However, at one site in the Brazilian Cerrado for which we have data, prevalence determined by microscopy does not correlate with prevalence determined by molecular methods for <i>Plasmodium</i>, but the two data types are positively correlated for <i>Haemoproteus</i>. Haemosporidians have been hypothesized to play a role in avian sexual selection, and we find that the prevalence of <i>Haemoproteus</i> to be lower in polygynous species than in socially monogamous species in the Neotropics, confirming a pattern shown previously among Nearctic birds.</p>
Data from: Phylogeny of haemosporidian blood parasites revealed by a multi-gene approach
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Data from: Haemosporidian parasites depress breeding success and plumage coloration in female barn swallows (Hirundo rustica)
Open the record for dataset details and reuse information.
Haemosporidian parasites of Neotropical birds: causes and consequences of infection
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International Brain Laboratory public data
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OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.