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Wyświetlanie 1-15 z 18
Tytuł:
Cryptosporidiosis in HIV-positive patients-first study in Poland
Autorzy:
Majewska, A.C.
Sulima, P.
Werner, A.
Baralkiewicz, G.
Juszczyk, J.
Pieniazek, N.J.
Powiązania:
https://bibliotekanauki.pl/articles/840231.pdf
Data publikacji:
1998
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
parasite
Cryptosporidium parvum
coccidian parasite
cryptosporidiosis
Polska
AIDS
Cryptosporidium
HIV-positive patient
Źródło:
Annals of Parasitology; 1998, 44, 3
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The role of Cryptosporidium parvum and rotaviruses in diarrhoea of infants
Autorzy:
Spiewak, E.
Malafiej, E.
Wierzbicka, E.
Zieba, M.
Powiązania:
https://bibliotekanauki.pl/articles/837716.pdf
Data publikacji:
1998
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
Cryptosporidium parvum
disease
parasitic agent
diarrhea
Źródło:
Annals of Parasitology; 1998, 44, 3
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Środowiskowe uwarunkowania zakażeń Cryptosporidium parvum w populacjach drobnych gryzoni
THE ECOLOGY OF CRYPTOSPORIDIUM PARVUM INFECTION IN SMALL RODENT POPULATIONS
Autorzy:
Bajer, A.
Bednarska, M.
Siński, E.
Powiązania:
https://bibliotekanauki.pl/articles/2148148.pdf
Data publikacji:
2001
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
mysz lesna
populacje zwierzat
Microtus arvalis
nornica ruda
Cryptosporidium parvum
nornik zwyczajny
uwarunkowania srodowiskowe
zwierzeta lesne
Apodemus flavicollis
czynniki chorobotworcze
parazytologia
pierwotniaki
Clethrionomys glareolus
infekcja pasozytnicza
gryzonie
Opis:
The prevalence and abundance of Cryptosporidium parvum were studied over a three year period (1997-1999) in three species of rodents sampled from forest and abandoned fields in the Mazury Lake District, Poland. The overall prevalence was consistently higher in voles compared with Apodemus flavicollis (70.6% in Clethrionomys glareolus, 73.0% in Microtus arvalis and 27.8% in A. flavicollis). The prevalence and abundance of infection also varied across the 3 years of the study with 1998 being the year of higher prevalence and abundance of the parasite. Fewer older animals carried the infection, and their infections were relatively mild. We found no consistent pattern of seasonal changes despite the significance of seasonal differenccs. Host sex did not influence either the prevalence or abundance of infection with C. parvum. A great proportion of recaptured voles developed chronic infections between consecutive trapping sessions and only a small number of animals recovered. However, yellow-necked mice seem to be much more resistant to infection that became self-limiting. Our results firmly establish that the common woodland and grassland wild rodents in the Mazury Lake District constitute a significant and hazardous reservoir of C. parvum for animals and humans.
Źródło:
Wiadomości Parazytologiczne; 2001, 47, 4; 747-753
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Srodowiskowe uwarunkowania zakazen Cryptosporidium parvum w populacjach drobnych gryzoni
Autorzy:
Bajer, A
Bednarska, M.
Sinski, E.
Powiązania:
https://bibliotekanauki.pl/articles/840829.pdf
Data publikacji:
2001
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
mysz lesna
populacje zwierzat
Microtus arvalis
nornica ruda
Cryptosporidium parvum
nornik zwyczajny
uwarunkowania srodowiskowe
zwierzeta lesne
Apodemus flavicollis
czynniki chorobotworcze
parazytologia
pierwotniaki
Clethrionomys glareolus
infekcja pasozytnicza
gryzonie
Opis:
The prevalence and abundance of Cryptosporidium parvum were studied over a three year period (1997-1999) in three species of rodents sampled from forest and abandoned fields in the Mazury Lake District, Poland. The overall prevalence was consistently higher in voles compared with Apodemus flavicollis (70.6% in Clethrionomys glareolus, 73.0% in Microtus arvalis and 27.8% in A. flavicollis). The prevalence and abundance of infection also varied across the 3 years of the study with 1998 being the year of higher prevalence and abundance of the parasite. Fewer older animals carried the infection, and their infections were relatively mild. We found no consistent pattern of seasonal changes despite the significance of seasonal differenccs. Host sex did not influence either the prevalence or abundance of infection with C. parvum. A great proportion of recaptured voles developed chronic infections between consecutive trapping sessions and only a small number of animals recovered. However, yellow-necked mice seem to be much more resistant to infection that became self-limiting. Our results firmly establish that the common woodland and grassland wild rodents in the Mazury Lake District constitute a significant and hazardous reservoir of C. parvum for animals and humans.
Źródło:
Annals of Parasitology; 2001, 47, 4; 747-753
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mechanical transmission of Cryptosporidium parvum oocysts by flies
Autorzy:
Graczyk, T.K.
Grimes, B.H.
Knight, R.
Szostakowska, B.
Kruminis-Lozowska, W.
Racewicz, M.
Tamang, L.
Dasilva, A.J.
Myjak, P.
Powiązania:
https://bibliotekanauki.pl/articles/836790.pdf
Data publikacji:
2004
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
Cryptosporidium parvum
cryptosporidiosis
mechanical transmission
fly
oocyst
Źródło:
Annals of Parasitology; 2004, 50, 2
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mechanical transmission of Cryptosporidium parvum oocysts by flies
Autorzy:
Graczyk, T.K.
Grimes, B.H.
Knight, R.
Szostakowska, B.
Kruminis-Łozowska, W.
Racewicz, M.
Tamang, L.
Dasilva, A.J.
Myjak, P.
Powiązania:
https://bibliotekanauki.pl/articles/2147323.pdf
Data publikacji:
2004
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
Cryptosporidium parvum
cryptosporidiosis
mechanical transmission
fly
oocyst
Opis:
Long term field studies and laboratory experiments demonstrated that synanthropic filth flies can mechanically transmit infectious oocysts of Cryptosporidium parvum, an anthropozoonotic protozoan parasite which significantly contributes to the mortality of immunocompromised or immunosuppressed people. C. parvum oocysts are acquired from unhygienic sources, and can pass trough fly gastrointestinal track without alteration of their infectivity and can be subsequently deposited on visited surfaces. Transmission of the oocysts by adult flies occurs via: (1) mechanical dislodgement from the exoskeleton; (2) fecal deposition; and (3) regurgitation, i.e., vomits. Filth flies can cause human or animal cryptosporidiosis via deposition of infectious oocysts on the visited foodstuf, and the biology and ecology of synanthropic filth flies indicate that their potential for mechanical transmission of C. parvum is high.
Źródło:
Wiadomości Parazytologiczne; 2004, 50, 2; 243-247
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wspolwystepownie Cryptosporidium parvum, Giardia spp. i helmintow w populacjach drobnych gryzoni
Autorzy:
Bajer, A.
Behnke, J.M.
Bednarska, M.
Kulis, K.
Sinski, E.
Powiązania:
https://bibliotekanauki.pl/articles/837176.pdf
Data publikacji:
2004
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
Giardia
parazytologia
Mazurski Park Krajobrazowy
wspolwystepowanie
populacje zwierzat
nicienie
pasozyty
Cryptosporidium parvum
gryzonie
tasiemce
Źródło:
Annals of Parasitology; 2004, 50, 2; 307-315
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Współwystępownie Cryptosporidium parvum, Giardia spp. i helmintów w populacjach drobnych gryzoni
The co-occurrence of Cryptosporidium parvum, Giardia spp. and helminth infections in small rodent populations
Autorzy:
Bajer, A.
Behnke, J.M.
Bednarska, M.
Kuliś, K.
Siński, E.
Powiązania:
https://bibliotekanauki.pl/articles/2146546.pdf
Data publikacji:
2004
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
Giardia
parazytologia
Mazurski Park Krajobrazowy
wspolwystepowanie
populacje zwierzat
nicienie
pasozyty
Cryptosporidium parvum
gryzonie
tasiemce
Opis:
During long-term (1998-2000) studies on rodent parasite populations in Mazury lake district there were collected and analyzed data on co-occurrence of intestinal protozoa (Cryptosporidium parvum, Giardia spp.) and helminths. There were performed 178 autopsies of common vole Microtus arvalis, 85 autopsies of yellow-necked mouse Apodemus flavicollis and 386 autopsies of bank vole Clethrionomys glareolus. Positive effect of helminth infections was found in C. glareolus. Voles infected with nematode Heligmosomum mixtum showed higher prevalence of C. parvum and Giardia spp. than voles infected with Heligmosomoides glareoli. The host age took part in these interactions and positive effect of co-occurrence was mainly observed in voles older than 3 months. The other intrinsic (host sex) or extrinsic (season and year of study) factors influenced interactions between parasites. Presented results revealed that helminth infections may facilitate chronic infections of intestinal protozoa in rodent populations.
Źródło:
Wiadomości Parazytologiczne; 2004, 50, 2; 307-315
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Transport of manure-borne Cryptosporidium parvum oocysts throught saturated and unsaturated soil columns
Autorzy:
Kuczynska, E.
Pachepsky, Y.
Rouhi, S.A.
Shelton, D.R.
Powiązania:
https://bibliotekanauki.pl/articles/25144.pdf
Data publikacji:
2005
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Źródło:
International Agrophysics; 2005, 19, 4; 315-322
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wplyw inwazji nicieni na zarazenie Cryptosporidium parvum u wolno zyjacych gryzoni
The impact of nematode invasions on the pattern of Cryptosporidium parvum infection in wild rodents
Autorzy:
Kulis-Malkowska, K.
Powiązania:
https://bibliotekanauki.pl/articles/841144.pdf
Data publikacji:
2007
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
mysz lesna
inwazja mieszana
interakcje
wspolwystepowanie
nornica ruda
nicienie
Cryptosporidium parvum
zwierzeta dziko zyjace
choroby inwazyjne
kryptosporydioza
parazytologia
inwazja pasozytnicza
gryzonie
Źródło:
Annals of Parasitology; 2007, 53, 3; 251-252
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ inwazji nicieni na zarażenie Cryptosporidium parvum u wolno żyjących gryzoni
The impact of nematode invasions on the pattern of Cryptosporidium parvum infection in wild rodents
Autorzy:
Kulis-Malkowska, K.
Powiązania:
https://bibliotekanauki.pl/articles/2143972.pdf
Data publikacji:
2007
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
mysz lesna
inwazja mieszana
interakcje
wspolwystepowanie
nornica ruda
nicienie
Cryptosporidium parvum
zwierzeta dziko zyjace
choroby inwazyjne
kryptosporydioza
parazytologia
inwazja pasozytnicza
gryzonie
Opis:
Fragmentation of the environment by natural barriers (lakes, mountain ranges) and human activities (towns, major roads, agriculture) can lead to isolated subpopulations of hosts. The study was carried out in Mazury Lake District in North−East of Poland, the region rich in forests, lakes, rivers and canals, which are able to create passable such barriers. Population of bank voles (Myodes glareolus) and yellow−necked mice (Apodemus flavicollis) — dominant woodland rodents — showed local differences in helminth communities in fragmented forest habitat. The sites were chosen on the basis of the similarity of their habitat structure and type, and isolation from one another. The impact of nematode (Heligmosomoididae) infections on co−occurrence and dynamic of Cryptosporidium parvum infection was studied in both rodent species Myodes glareolus (n=781) and Apodemus flavicollis (n=302) from three different habitats. Presented results clearly revealed that natural nematode invasion could facilitate the presence of chronic infections of Cryptosporidium parvum in wild rodent populations. Also, the intrinsic (host sex and year) as well as extrinsic (season and year of study) factors have obvious effect on dynamics of infections with both groups of parasites. However, there are also some evidences that steroids hormones associated with stress and reproduction may mediate trade−offs between physiology and immune function and can affect co−occurrence of both groups of parasites.
Źródło:
Wiadomości Parazytologiczne; 2007, 53, 3; 251-252
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Biological warfare agents
Autorzy:
Japark, S. K.
Powiązania:
https://bibliotekanauki.pl/articles/1119308.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Alphaviruses
Brucella species
Burkholderia mallei and pseudomallei
Chlamydia psittaci
Coxiella burnetti
Cryptosporidium parvum
Escherichia coli
Salmonella species
Shigella dysenteriae
Toxins; Rickettsia prowazekii
Vibrio cholerae
Opis:
Various types of biological weapons have been known and practiced throughout history, including the use of biological agents such as microbes and plants, as well as biotoxins and the venoms that can be derived from them. In ancient civilisations, the attempt was to infect and kill enemies by throwing cadavers into water wells. Emperor Barbarossa during the battle of the Italian town, Tortona, in 1155, did the same. In modern times, America and the Soviet Union also undertook biological warfare and anti-biological warfare protection activities. This even intensified after WWII. When the Soviet forces captured and interrogated some Japanese scientists in 1945, they utilized the obtained information in their own biowarfare program and their research accelerated in 1946. Following this, a series of new biowarfare study centres and production facilities was constructed in the 1950s. The Soviet biowarfare program included tularemia, anthrax, brucellosis, plague, glanders, marburg virus, smallpox virus, and VEE virus. During the time of the Korean War, it was believed that biowarfare agents were used by America against Soviet Union. The Americans had began their own program in Fort Detrick (former Camp Detrick) in 1943 and a new production facility at Pine Bluff Arsenal in Arkansas was constructed. The United States of America started producing tons of Brucella suis in 1954. In the peak year of their program, they involved about 3,400 people and a number of agents: Bacillus anthracis, Francisella tularensis, Brucella suis, Coxiella burnetti, Venezuelan equine encephalitis virus, yellow fever, botulin, Staphylococcal enterotoxin, and the anti-crop agents Pyricularia oryzae and Puccinia graminis. Due to public pressure, President Nixon declared a unilateral halt in 1969 to biological weapon projects. The only permitted research was defensive, such as diagnostic, vaccines, and chemotherapies tests – as evidenced in the UK where the base in Porton Down was converted into a defence institution.
Źródło:
World News of Natural Sciences; 2016, 4; 1-19
2543-5426
Pojawia się w:
World News of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Virulence of geographically different Cryptosporidium parvum isolates in experimental animal model
Autorzy:
Sayed, F.G.
Hamza, A.I.
Galal, L.A.
Sayed, D.M.
Gaber, M.
Powiązania:
https://bibliotekanauki.pl/articles/6602.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Parazytologiczne
Opis:
Cryptosporidium parvum is a coccidian parasite which causes gastrointestinal disease in humans and a variety of other mammalian species. Several studies have reported different degrees of pathogenicity and virulence among Cryptosporidium species and isolates of the same species as well as evidence of variation in host susceptibility to infection. The study aimed to investigate infectivity and virulence of two Cryptosporidium parvum “Iowa isolate” (CpI) and a “local water isolate” (CpW).Thirty-three Swiss albino mice have been divided into three groups: Negative control Group (C), the CpI group infected with “Iowa isolate “and the CpW group infected with C. parvum oocysts isolated from a local water supply. Infectivity and virulence have been measured by evaluating clinical, parasitological and histological aspects of infection. Significant differences were detected regarding oocysts shedding rate, clinical outcomes, and the histopathological picture of the intestine, lung, and brain. It was concluded that the local water isolate is significantly more virulent than the exported one.
Źródło:
Annals of Parasitology; 2016, 62, 3
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Detection of Cryptosporidium parvum DNA in fecal samples of infected cattle (Bos indicus) and water buffaloes (Bubalus bubalis) in the Philippines using loop-mediated isothermal amplification method
Autorzy:
Domingo, C.Y.J.
Pascual, H.G.
Mingala, C.N.
Powiązania:
https://bibliotekanauki.pl/articles/5598.pdf
Data publikacji:
2018
Wydawca:
Polskie Towarzystwo Parazytologiczne
Źródło:
Annals of Parasitology; 2018, 64, 4
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
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