The Iberian Peninsula is an Area of Infection byHaemoproteus payevskyiandHaemoproteus nucleocondensusfor the White-Throated DipperCinclus cinclus

Ma, Rojo; Hernández, M. Ángeles; Campos, Francisco; Santamaría, Tomás; Dias, Susana; Casanueva, Patricia

doi:10.13157/arla.62.2.2015.373

Cited by 7 publications

(9 citation statements)

References 39 publications

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“…Most of these lineages appear to be strong host specialists (1–3 hosts) with few records in bird species outside this family of songbirds (Bensch et al., 2009). Notable exceptions to this pattern are reports of the lineages MW1, RW1 and GRW01 in dippers Cinclus cinclus (Rojo et al., 2015) and MW1 and RW1 in Iberian shrikes Lanius meridionalis (Casanueva et al., 2012; Hernández et al., 2017), both studied in Spain. The isolated findings of these lineages in dippers and grey‐backed shrikes that are both resident species in Spain and distantly related to Acrocephalidae are surprising in the light of the absence of these lineages in many well sampled and more closely related species in the Iberian peninsula (Mata et al., 2015).…”

Section: Case Studiesmentioning

confidence: 97%

Contaminations contaminate common databases

Bensch

Inumaru

Sato

et al. 2020

Molecular Ecology Resources

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The polymerase chain reaction (PCR) is a very powerful method to detect and identify pathogens. The high sensitivity of the method, however, comes with a cost; any of the millions of artificial DNA copies generated by PCR can serve as a template in a following experiment. If not identified as contaminations, these may result in erroneous conclusions on the occurrence of the pathogen, thereby inflating estimates of host range and geographic distribution. In the present paper, we evaluate whether several published records of avian haemosporidian parasites, in either unusual host species or geographical regions, might stem from PCR contaminations rather than novel biological findings. The detailed descriptions of these cases are shedding light upon the steps in the work process that might lead to PCR contaminations. By increasing the awareness of this problem, it will aid in developing procedures that keep these to a minimum. The examples in the present paper are from haemosporidians of birds, however the problem of contaminations and suggested actions should apply generally to all kinds of PCR‐based identifications, not just of parasites and pathogens.

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Section: Case Studiesmentioning

confidence: 97%

Contaminations contaminate common databases

Bensch

Inumaru

Sato

et al. 2020

Molecular Ecology Resources

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“…This study supports the results of former studies (Waldenström et al ., 2002; Hasselquist et al ., 2007; Rojo et al ., 2015) that showed that great reed warblers get infected by Haemoproteus ( Parahaemoproteus ) nucleocondensus outside of the Northern European breeding areas. The lineage hGRW1 of this parasite was first reported in this avian host in Sweden (Bensch et al ., 2000) and then described as a new species in Lithuania (Križanauskienė et al ., 2012).…”

Section: Discussionmentioning

confidence: 99%

“…According to the available data (Waldenström et al ., 2002; Križanauskienė et al ., 2012; Rojo et al ., 2015; Hammers et al ., 2016), birds are infected with H. nucleocondensus in Southern Europe (Spain) or outside Europe in the wintering areas in tropical and subtropical regions. Haemoproteus nucleocondensus hGRW1 has been reported in birds from African Islands (Seychelles), sub-Saharan Africa and the Iberian Peninsula (Waldenström et al ., 2002; Rojo et al ., 2015; Hammers et al ., 2016) where transmission occurs. However, the only record of hGRW1 in a non-Sylviidae bird, specifically in a white-throated dipper Cinclus cinclus (Rojo et al ., 2015) in South Europe, should be taken with caution.…”

Section: Discussionmentioning

confidence: 99%

“…Haemoproteus nucleocondensus hGRW1 has been reported in birds from African Islands (Seychelles), sub-Saharan Africa and the Iberian Peninsula (Waldenström et al ., 2002; Rojo et al ., 2015; Hammers et al ., 2016) where transmission occurs. However, the only record of hGRW1 in a non-Sylviidae bird, specifically in a white-throated dipper Cinclus cinclus (Rojo et al ., 2015) in South Europe, should be taken with caution. This parasite is also present in adult birds in South East, Central and Northern Europe (Bensch et al ., 2000; Hasselquist et al ., 2007; Dimitrov et al ., 2010; Križanauskienė et al ., 2012).…”

Section: Discussionmentioning

confidence: 99%

“…Seasonal bird migration is an important factor that increases haemosporidian parasite diversity in the Northern Holarctic (Ricklefs et al ., 2017). Transmission of some pathogens occurs only in warm climate regions, including Southern Europe (Waldenström et al ., 2002; Rojo et al ., 2015; Valkiūnas et al ., 2015), but there is often no information about the transmission of the same parasites in North Europe (Valkiūnas, 1993).…”

Section: Introductionmentioning

confidence: 99%

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Complete sporogony of the blood parasite Haemoproteus nucleocondensus in common biting midges: why is its transmission interrupted in Europe?

Žiegytė¹,

Platonova²,

Bernotienė³

et al. 2020

Parasitology

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Haemoproteus species (Haemoproteidae) are widespread blood parasites and are transmitted by Culicoides biting midges and Hippoboscidae louse flies. Although these pathogens may cause morbidity or mortality, the vectors and patterns of transmission remain unknown for the great majority of avian haemoproteids. Haemoproteus nucleocondensus has been frequently reported in Europe in great reed warblers Acrocephalus arundinaceus after their arrival from African wintering grounds, but this infection has not been found in juveniles at the breeding sites. The factors that prevent its transmission remain unclear. This study was designed to test whether the sporogony of H. nucleocondensus (lineage hGRW8) can be completed in Culicoides impunctatus, one of the most abundant European biting midge species. Wild-caught females were infected with H. nucleocondensus from great reed warblers. Microscopic examination and PCR-based methods were used to detect sporogonic stages and to confirm species identity. This study showed that H. nucleocondensus completes sporogony in C. impunctatus, suggesting that there are no obstacles to its transmission from the point of view of vector availability and average temperature in Northern Europe. We discuss other ecological factors which should be considered to explain why the transmission of H. nucleocondensus and some other Southern origin haemosporidians are interrupted in North Europe.

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Detecting local transmission of avian malaria and related haemosporidian parasites (Apicomlexa, Haemosporida) at a Special Protection Area of Natura 2000 network

et al. 2018

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Avian haemosporidian parasites (Apicomplexa, Haemosporida) are widespread pathogens that cause malaria (Plasmodium spp.) and other haemosporidioses (Haemoproteus spp. and Leucocytozoon spp.) in birds. The Special Protection Area Durankulak Lake (SPA DL) is a coastal lake in northeast Bulgaria, part of the Natura 2000 network that was declared as important area for wintering, breeding and migratory birds. Despite a number of conservation efforts outlined for the SPAs of Natura 2000 network, the potential threats and influences of haemosporidians and other parasites on occurring birds were not considered. In the present study, we aim to investigate the richness of haemosporidian parasites in birds captured in the protected area and to report the parasite species/DNA lineages that undergo local transmission in the region. We used both microscopic examination and PCR-based methods to diagnose haemosporidian infections in juvenile (captured in the year of hatching) and adult birds. The overall prevalence of haemosporidian parasites was significantly higher in the adult birds compared to juveniles. We identified five out of 21 recorded cytochrome b (cyt b) parasite lineages that are locally transmitted in the SPA DL (one of the genus Haemoproteus Kruse, 1890 and four of genus Plasmodium Marchiafava and Celli, 1885): cyt b lineages hRW2 of Haemoproteus belopolskyi, pSGS1 of Plasmodium relictum, pCOLL1, pYWT4 and pPADOM01 of Plasmodium (Haemamoeba) spp. It is likely that the majority of the parasites with local transmission are widespread host generalists and that host exchange is rather frequent among the birds inhabiting SPA DL.

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The Iberian Peninsula is an Area of Infection byHaemoproteus payevskyiandHaemoproteus nucleocondensusfor the White-Throated DipperCinclus cinclus

Cited by 7 publications

References 39 publications

Contaminations contaminate common databases

Contaminations contaminate common databases

Complete sporogony of the blood parasite Haemoproteus nucleocondensus in common biting midges: why is its transmission interrupted in Europe?

Detecting local transmission of avian malaria and related haemosporidian parasites (Apicomlexa, Haemosporida) at a Special Protection Area of Natura 2000 network

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