Publications by authors named "Duc M"

Article Synopsis
  • Wild birds of prey, particularly nestlings in Lithuania, are infected with haemosporidian parasites, which can harm their health.
  • This study focused on three species—white-tailed eagles, lesser spotted eagles, and common buzzards—sampling their blood to identify the parasites present.
  • Results showed a 30.5% overall prevalence of parasites among the nestlings, with the common buzzard having the highest rate at 80%, and revealed nine genetic lineages, five of which were new to science.
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sp. nov. (Haemosporida, Haemoproteidae) was found in the dunnock and represents the first blood parasite described in accentor birds of the Prunellidae.

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Article Synopsis
  • * Infections were confirmed through microscopic examination and PCR methods, revealing the presence of exo-erythrocytic meronts of Haemoproteus attenuatus in various organs, primarily in the lungs.
  • * The research also discovered megalomeronts related to Haemoproteus majoris, indicating potential abortive infections, which are rarely documented in wild birds, thus contributing new insights into parasite development in avian hosts.
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The Wildlife Malaria Network (WIMANET) is a groundbreaking multinational collaboration focused on studying vector-borne haemosporidian parasites in wildlife. Unlike human malaria, wildlife malaria is found on all continents except Antarctica, with parasites being transmitted by a range of vectors. The complexity and diversity of these parasites makes it necessary to have an interdisciplinary approach to understand and mitigate their impacts.

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Article Synopsis
  • - A study of common linnet blood using the buffy coat method identified one bird infected with microfilariae, which were described morphologically and matched DNA sequences from both the adult worms and the microfilariae found in the bird's blood.
  • - The microfilariae were primarily located in the lungs, causing distension of blood vessels and potential issues with gas exchange, even though no inflammation was observed.
  • - The investigation revealed that microfilariae were more prevalent in the bird's bloodstream during nighttime and morning, and it was noted that mosquitoes carrying these microfilariae had a significantly lower survival rate compared to those that were uninfected.
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Investigations of host feeding behaviour in haematophagous insects are critical to assess transmission routes of vector-borne diseases. Understanding if a certain species has ornithophilic or mammalophilic feeding behaviour can facilitate future studies focused on pathogens transmission to and from certain host species. Culicoides Latreille (Diptera: Ceratopogonidae) are vectors of several pathogens, which include arboviruses, bacteria and parasites to a considerable diversity of vertebrate hosts.

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The resistance of to clubroot, a major disease of Brassicaceae caused by the obligate protist , is controlled in part by epigenetic factors. The detection of some of these epigenetic quantitative trait loci (QTL) has been shown to depend on experimental conditions. The aim of the present study was to assess whether and how temperature and/or soil water availability influenced both the detection and the extent of the effect of response QTL.

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Article Synopsis
  • The study focuses on understanding the diversity of parasites within the Haemosporida and their natural vectors, which have been inadequately researched so far.
  • An integrative research approach involving insect dissection and molecular methods was employed to collect and analyze over 1,900 insect samples across four local sites in Lithuania.
  • The results revealed that a significant percentage of the examined vectors carry parasite DNA and confirmed the efficacy of certain species as vectors, identifying new interactions and sporozoite lineages for the first time.
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Article Synopsis
  • Species from the subgenus Novyella, specifically Plasmodium (Novyella) homonucleophilum, are poorly studied avian malaria agents with a broad transmission range in the Old World, including Europe.
  • This study is the first to document the infection process of P. homonucleophilum in Eurasian siskins, where all exposed birds showed susceptibility and three out of six died, indicating a high virulence of the parasite.
  • The findings suggest significant impacts on the health of infected birds, such as increased parasitaemia, decline in red blood cell count (anaemia), and increased food intake to compensate for energy loss, highlighting the need for further research on these neglected malaria parasites.
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Haemoproteus blood parasites of birds are thought to be relatively benign. Recent findings show that infections may develop in the brain of birds, possibly distorting their orientation sense. Misdirected migration may lead migrants outside their range where they are recognized as vagrants and can transmit parasites to novel hosts.

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Neglected avian blood parasites of the genus (Haemoproteidae) have recently attracted attention due to the application of molecular diagnostic tools, which unravelled remarkable diversity of their exo-erythrocytic (or tissue) stages both regarding morphology and organ tropism levels. The development of haemoproteids might result in pathologies of internal organs, however the exo-erythrocytic development (EED) of most species remains unknown. Seven individual birds - (1) and (6) - with high gametocytaemia (between 1% and 24%) of n.

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Background: Falls can strongly impact older people's quality of life, health, and lifestyle. Multifactorial assessment can determine an individual's risk of falling as the first step for fall prevention intervention. Physiotherapists have an essential role to play in assessing fall risk by older adults living in the community.

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parasites (Haemosporida, Leucocytozoidae) are haemosporidians whose diversity, exo-erythrocytic development and potential vectors are the least studied. The knowledge about their exo-erythrocytic development and pathogenicity is fragmentary, resulting in an incomplete comprehension of the impact of these parasites on avian hosts. For a long time, infections were considered benign to wild birds, even though they were virulent in poultry and responsible for some wild bird population declines.

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A 74-year-old man developed a subacute thrombosis with a stent graft occlusion, 4 months after an endovascular aneurysm repair. He presented with lateral lower limb ischemia and presented intermittent claudication. Using an intra-arterial thrombolysis transcatheter infusion and angioplasty.

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parasites (Apicomplexa, Haemosporida) are widespread pathogens of birds, with a rich genetic (about 1900 lineages) and morphospecies (178 species) diversity. Nonetheless, their life cycles are poorly understood. The exo-erythrocytic stages of three (widespread generalist parasite) lineages have been previously reported, each in a different bird species.

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There is a clear need for the development of management strategies to control dominant, perennial weeds and restore semi-natural communities and an important part of this is to know how long control treatments take to be effective and how long they last after treatments stop. Here, we report the results from a 17-year long experiment where we compared the effects of five control treatments on dense Pteridium aquilinum (L. Kuhn) relative to an untreated experimental-control in Derbyshire, UK.

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Avian haemosporidians are widespread parasites categorized into four families of the order Haemosporida (Apicomplexa). Species of the subgenus Parahaemoproteus (genus Haemoproteus) belong to the Haemoproteidae and are transmitted by Culicoides biting midges. Reports of death due to tissue damage during haemoproteosis in non-adapted birds have raised concerns about these pathogens, especially as their exo-erythrocytic development is known for only a few Haemoproteus spp.

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parasites remain poorly investigated in comparison to other haemosporidians. The host cell inhabited by their blood stages (gametocytes) remains insufficiently known. This study aimed to determine the blood cells inhabited by gametocytes in different species of Passeriformes and to test if this feature has a phylogenetic importance.

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Background: A ketogenic diet (KD) reduces daily carbohydrates (CHOs) ingestion by replacing most calories with fat. KD is of increasing interest among athletes because it may increase their maximal oxygen uptake (VOmax), the principal performance limitation at high-altitudes (1500-3500 m). We examined the tolerance of a 4-week isocaloric KD (ICKD) under simulated hypoxia and the possibility of evaluating ICKD performance benefits with a maximal graded exercise bike test under hypoxia and collected data on the effect of the diet on performance markers and arterial blood gases.

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Objectives: This project aims to assess opinions, attitudes, knowledge, beliefs, practices and perceived barriers and facilitators of injury prevention (IP) strategies in Swiss basketball teams.

Methods: An online survey was sent to athletes, coaches and medical staff of the three best basketball leagues in Switzerland. The survey was subdivided in four sections: (1) characteristic of participants, (2) knowledge, opinions, attitudes and beliefs, (3) practices and (4) barriers and facilitators.

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Article Synopsis
  • Sequencing parasite genomes is tricky due to host DNA interference, but sequence capture using RNA probes can help isolate parasite DNA for analysis.
  • A set of probes targeting 1035 genes of the avian parasite Plasmodium relictum was developed, and the study evaluated how varying levels of parasitemia affect sequencing success in experimentally infected birds.
  • Results indicated that higher parasitemia led to better sequencing outcomes, allowing researchers to gather important genetic data on P. relictum's diverse lineages and their evolutionary patterns.
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Background: Malaria is a health problem not only in human and veterinary medicine, but also in wildlife. Several theoretical studies have suggested that avian malaria transmission might be increasing in Europe. However, there are few direct empirical observations.

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species are widespread avian blood parasites belonging to Haemoproteidae (Haemosporida). Blood stages of these pathogens have been relatively well-investigated, though exo-erythrocytic (tissue) stages remain unidentified for the majority of species. However, recent histopathological studies show that haemoproteins markedly affect bird organs during tissue merogony.

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