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    Wyświetlanie 1-9 z 9
    Tytuł:
    Molecular Identification of a Phage-infected Protochlamydia Strain Naturally Harboured by Non-Encysting Naegleria
    Autorzy:
    Corsaro, Daniele
    Walochnik, Julia
    Venditti, Danielle
    Müller, Karl-Dieter
    Michel, Rolf
    Powiązania:
    https://bibliotekanauki.pl/articles/763413.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
    Tematy:
    Naegleria, Protochlamydia, Chlamydiae, phage
    Opis:
    A thermophilic strain of Naegleria clarki, isolated from a pond, has previously been investigated for its peculiarity to host a cytoplasmic symbiont, which causes a loss of the ability to form cysts. This endosymbiont, called Pcb, was itself infected by a phage, and exhibited chlamydia-like features resembling to another symbiont of Naegleria previously described as Protochlamydia naegleriophila. We report in this study, the results of amoeba host range and 16S rDNA molecular phylogeny of this strain, showing that Pcb is a new strain of the Naegleria endosymbiont chlamydial species Protochlamydia naegleriophila (Chlamydiae: Parachlamydiaceae).
    Źródło:
    Acta Protozoologica; 2013, 52, 4
    1689-0027
    Pojawia się w:
    Acta Protozoologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    First report of successful Naegleria detection from environmental resources of some selected areas of Rawlakot, Azad Jammu and Kashmir, Pakistan
    Autorzy:
    Akbar, Abida
    Hameed, Abdul
    Aloufi, Abdulaziz S.
    Almutairi, Mashal M.
    Tanveer, Tania
    Matin, Abdul
    Powiązania:
    https://bibliotekanauki.pl/articles/2041942.pdf
    Data publikacji:
    2022-02-14
    Wydawca:
    Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
    Tematy:
    Naegleria
    isolation
    environmental sources
    PCR
    Rawlakot
    Pakistan
    Opis:
    Naegleria belongs to the free-living amoeba family and is well-known as a human pathogen. It is recognized as etiological agent of primary amoebic meningoencephalitis involving central nervous system which always leads to death. To date, there is not a single report demonstrating Naegleria isolation and identification from environmental sources of Rawlakot, Azad Jammu and Kashmir Pakistan, and thus the aim of this study. Naegleria was isolated on non-nutrient agar plates seeded with heat killed E. coli and confirmed by morphological properties of the both stages of cyst or trophozoites. Furthermore, PCR was conducted along with direct sequencing of the PCR product for molecular identification. PCR and sequencing data verified the amplification of Naegleria sp. (07) and Vahlkampfia sp. (01) from both water and soil samples. Interestingly two species were successfully isolated and cultured on both 30 and 45°C. To the best of our knowledge this is the first report demonstrating the Naegleria isolation and molecular characterization from environmental sources of Rawlakot, Azad Jammu and Kashmir, Pakistan. The author is anxious for further evaluation of the pathogenic potential of the identified species and explores drinking water across Pakistan to investigate its quality and frequency of FLA, which might be a possible human hazard in future.
    Źródło:
    Acta Protozoologica; 2021, 60; 37-45
    1689-0027
    Pojawia się w:
    Acta Protozoologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Isolation of Thermotolerant Pathogenic Naegleria australiensis from Diverse Water Resources Including Household Drinking Water in Pakistan
    Autorzy:
    Tanveer, Tania
    Hameed, Abdul
    Bin-Dukhyil, Abdul-Aziz A.
    Alaidarous, Mohammed
    Matin, Abdul
    Powiązania:
    https://bibliotekanauki.pl/articles/52405185.pdf
    Data publikacji:
    2017
    Wydawca:
    Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
    Tematy:
    Thermotolerant pathogenic Naegleria
    Primary Amoebic Meningoencephalitis
    Isolation
    Molecular identification
    Pakistan
    Opis:
    Naegleria is well recognized for primary amoebic meningoencephalitis which always results into death. To date there is not a single report demonstrating molecular identification of Naegleria from water resources of Pakistan thus the aim of the proposed study.Here, in total 135 various water samples (like domestic tap water, municipal water, sea water, well water, tube well water, canal water, boring water, sewage water, lake water and stream water) were collected across Pakistan and evaluated for Naegleria species. Naegleria australiensis (pathogenic) and Naegleria lovaniensis (non pathogenic) were isolated on non nutrient agar plates and were further identified by PCR and sequencing. To best of our knowledge we have described for the first time the isolation and molecular identification of thermotolerant pathogenic and non pathogenic Naegleria species from diverse water samples including drinking water across Pakistan. The presence of pathogenic Naegleria species in diverse water samples may add the health threat to the community.
    Źródło:
    Acta Protozoologica; 2017, 56, 4; 317-322
    0065-1583
    1689-0027
    Pojawia się w:
    Acta Protozoologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Laboratory animal models in parasitological research
    Autorzy:
    Kasprzak, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/839828.pdf
    Data publikacji:
    1994
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Tematy:
    parasitic disease
    phylogenesis
    laboratory animal
    Giardia
    Trichomonas
    immunological process
    Protozoa
    taxonomy
    organism
    parasite
    Entamoeba histolytica
    Acanthamoeba
    man
    Naegleria
    parasitic infection
    Źródło:
    Annals of Parasitology; 1994, 40, 3
    0043-5163
    Pojawia się w:
    Annals of Parasitology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pelzaki wolno zyjace jako nosiciele patogenicznych bakterii
    Free-living amoebae as vehicles of pathogenic bacteria
    Autorzy:
    Derda, M
    Sulek-Stankiewicz, A.
    Hadas, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/840392.pdf
    Data publikacji:
    2006
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Tematy:
    zapalenie rogowki
    Balamuthia mandrillaris
    Sappinia diploidea
    zapalenie opon mozgowych i mozgu
    choroby czlowieka
    Acanthamoeba
    bakterie patogenne
    ameby
    Naegleria
    nosiciele
    ziarniniakowe zapalenie mozgu
    Opis:
    The free-living amoebae are ubiquitous organisms. They are found in humid soil and all water reservoirs, i.e. fresh, sea, freezing and hot water. They mainly feed on bacteria. Pathogenic properties of amoebae and the mechanisms underlying pathological changes induced during human infection have not yet been fully elucidated. They are the causative agents of primary amoebic meningo-encephalitis (PAM), granulomatous amebic encephalitis (GAE), a chronic progressive disease of the central nervous system, amebic keratitis (AK), a chronic eye infection; amebic pneumitis (AP), a chronic lung infection, and skin infection. Only a few isolates are strongly and permanently pathogenic to humans. Some isolates lose their pathogenic properties after one passage. It has been assumed that such "temporary", unstable pathogenic properties of the amoebae may be caused by internal factors carried by them. It is generally known that the free-living amoebae may be naturally infected with pathogenic bacteria, which have the ability to survive for a long time and to proliferate in the amoebae cells. The role of the amoeba in the process of maintaining, propagating and transmitting human pathogens has not been well recognized. It has been suggested that some infections can be acquired by inhaling aerosols containing amoebae cells filled with bacteria. The presence of bacteria inside the free-living amoebae possess a great challenge to organisations responsible for testing and inspecting the quality and cleanliness of surface waters, swimming pools and drinking water intakes.
    Źródło:
    Annals of Parasitology; 2006, 52, 1; 1-7
    0043-5163
    Pojawia się w:
    Annals of Parasitology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pełzaki wolno żyjące jako nosiciele patogenicznych bakterii
    Free-living amoebae as vehicles of pathogenic bacteria
    Autorzy:
    Derda, M.
    Sułek-Stankiewicz, A.
    Hadaś, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/2144083.pdf
    Data publikacji:
    2006
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Tematy:
    zapalenie rogowki
    Balamuthia mandrillaris
    Sappinia diploidea
    zapalenie opon mozgowych i mozgu
    choroby czlowieka
    Acanthamoeba
    bakterie patogenne
    ameby
    Naegleria
    nosiciele
    ziarniniakowe zapalenie mozgu
    Opis:
    The free-living amoebae are ubiquitous organisms. They are found in humid soil and all water reservoirs, i.e. fresh, sea, freezing and hot water. They mainly feed on bacteria. Pathogenic properties of amoebae and the mechanisms underlying pathological changes induced during human infection have not yet been fully elucidated. They are the causative agents of primary amoebic meningo-encephalitis (PAM), granulomatous amebic encephalitis (GAE), a chronic progressive disease of the central nervous system, amebic keratitis (AK), a chronic eye infection; amebic pneumitis (AP), a chronic lung infection, and skin infection. Only a few isolates are strongly and permanently pathogenic to humans. Some isolates lose their pathogenic properties after one passage. It has been assumed that such "temporary", unstable pathogenic properties of the amoebae may be caused by internal factors carried by them. It is generally known that the free-living amoebae may be naturally infected with pathogenic bacteria, which have the ability to survive for a long time and to proliferate in the amoebae cells. The role of the amoeba in the process of maintaining, propagating and transmitting human pathogens has not been well recognized. It has been suggested that some infections can be acquired by inhaling aerosols containing amoebae cells filled with bacteria. The presence of bacteria inside the free-living amoebae possess a great challenge to organisations responsible for testing and inspecting the quality and cleanliness of surface waters, swimming pools and drinking water intakes.
    Źródło:
    Wiadomości Parazytologiczne; 2006, 52, 1; 1-7
    0043-5163
    Pojawia się w:
    Wiadomości Parazytologiczne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Rola dopelniacza w odpornosci na zakazenia pierwotniakami
    Autorzy:
    Jankowski, S
    Powiązania:
    https://bibliotekanauki.pl/articles/837137.pdf
    Data publikacji:
    1997
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Tematy:
    Naegleria fowleri
    dopelniacze
    odpornosc organizmow
    bialko C
    swidrowce
    Toxoplasma gondii
    mechanizmy obronne
    Leishmania
    opornosc na pasozyty
    parazytologia
    pierwotniaki
    inwazja pasozytnicza
    Trypanosoma cruzi
    Entamoeba histolytica
    Opis:
    The scope of this work is the presentation of new theories concerning the role of complement (C) in the resistance of high organism to the infection caused by protozoa. The mechanisms protecting of Entamoeba histolytica, Leishmania spp., Trypanosoma cruzi, Toxoplasma gondii and Naegleria fowleri from the action of C are also described.
    Źródło:
    Annals of Parasitology; 1997, 43, 4; 369-383
    0043-5163
    Pojawia się w:
    Annals of Parasitology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Selected aspects of multifocal invasions
    Autorzy:
    Kwasniewska, J.
    Kurnatowska, A.
    Kurnatowski, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/840156.pdf
    Data publikacji:
    1998
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Tematy:
    Giardia
    multifocal invasion
    Trichomonas
    Mucor
    fungi
    Aspergillus
    Entamoeba
    Fusarium
    Geotrichum
    parasite
    Enterobius
    Cryptococcus
    Acanthamoeba
    multifocal infection
    Rhizopus
    life cycle
    Naegleria
    Candida
    Toxocara
    Echinococcus
    Paecilomyces
    Źródło:
    Annals of Parasitology; 1998, 44, 3
    0043-5163
    Pojawia się w:
    Annals of Parasitology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Rola dopełniacza w odporności na zakażenia pierwotniakami
    Autorzy:
    Jankowski, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/2148914.pdf
    Data publikacji:
    1997
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Tematy:
    Naegleria fowleri
    dopelniacze
    odpornosc organizmow
    bialko C
    swidrowce
    Toxoplasma gondii
    mechanizmy obronne
    Leishmania
    opornosc na pasozyty
    parazytologia
    pierwotniaki
    inwazja pasozytnicza
    Trypanosoma cruzi
    Entamoeba histolytica
    Opis:
    The scope of this work is the presentation of new theories concerning the role of complement (C) in the resistance of high organism to the infection caused by protozoa. The mechanisms protecting of Entamoeba histolytica, Leishmania spp., Trypanosoma cruzi, Toxoplasma gondii and Naegleria fowleri from the action of C are also described.
    Źródło:
    Wiadomości Parazytologiczne; 1997, 43, 4; 369-383
    0043-5163
    Pojawia się w:
    Wiadomości Parazytologiczne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-9 z 9

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