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[Current Concepts of Human Microsporidiosis].

https://arctichealth.org/en/permalink/ahliterature266443
Source
Vestn Ross Akad Med Nauk. 2015;(2):257-63
Publication Type
Article
Date
2015
Author
S A Timofeev
Source
Vestn Ross Akad Med Nauk. 2015;(2):257-63
Date
2015
Language
Russian
Publication Type
Article
Keywords
Animals
Humans
Microsporidia - isolation & purification
Microsporidiosis - epidemiology - microbiology - prevention & control
Morbidity - trends
Russia - epidemiology
Abstract
Microsporidiosis is an ubiquitous opportunistic disease that usually appears in immunocompromised patients: AIDS patients or organ-transplant recipients. The infectious agents of disease are fungi-related obligate intracellular parasites - microsporidia. Alongside with Cryptosporidium and Cytomegalovirus, these parasites are the most common causative agents of diarrhea in HIV-infected patients. Intestinalform of microsporidiosis has been mostfrequently observed, but microsporidia can affect almost any organs of the human body, eyes, lungs, muscles, organs of the nervous system. The present paper overviews the current data on the etiology, pathogenesis, epidemiology, clinical presentation, diagnosis and treatment methods of microsporidiosis.
PubMed ID
26234100 View in PubMed
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Dynamics of Apis mellifera Filamentous Virus (AmFV) Infections in Honey Bees and Relationships with Other Parasites.

https://arctichealth.org/en/permalink/ahliterature269388
Source
Viruses. 2015 May;7(5):2654-67
Publication Type
Article
Date
May-2015
Author
Ulrike Hartmann
Eva Forsgren
Jean-Daniel Charrière
Peter Neumann
Laurent Gauthier
Source
Viruses. 2015 May;7(5):2654-67
Date
May-2015
Language
English
Publication Type
Article
Keywords
Animals
Bees - virology
DNA Viruses - growth & development - isolation & purification
France
Gastrointestinal Tract - virology
Microsporidia - isolation & purification
RNA Viruses - isolation & purification
Sweden
Time Factors
Trypanosoma - isolation & purification
Abstract
Apis mellifera filamentous virus (AmFV) is a large double stranded DNA virus of honey bees, but its relationship with other parasites and prevalence are poorly known. We analyzed individual honey bees from three colonies at different times post emergence in order to monitor the dynamics of the AmFV gut colonization under natural conditions. Prevalence and loads of microsporidia and trypanosomes were also recorded, as well as five common honey bee RNA viruses. The results show that a high proportion of bees get infected with AmFV during the first week post-emergence (75%) and that AmFV DNA levels remained constant. A similar pattern was observed for microsporidia while trypanosomes seem to require more time to colonize the gut. No significant associations between these three infections were found, but significant positive correlations were observed between AmFV and RNA viruses. In parallel, the prevalence of AmFV in France and Sweden was assessed from pooled honey bee workers. The data indicate that AmFV is almost ubiquitous, and does not seem to follow seasonal patterns, although higher viral loads were significantly detected in spring. A high prevalence of AmFV was also found in winter bees, without obvious impact on overwintering of the colonies.
Notes
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PubMed ID
26008705 View in PubMed
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