Abstract：
:This study investigated the occurrence of digenean trematode larvae in snails from the Kenyan part of Lake Victoria. The survey included caenogastropod snails that have received less focus in parasitological studies in Africa: their trematodes are largely unknown. Out of 1145 snail specimens, 149 (13.0%) were infected with Digenea. The highest prevalence (P) was recorded in Melanoides tuberculata (64.5%), followed by Pila ovata (15.4%), Radix natalensis (9.5%), Bulinus ugandae (9.1%), Bellamya unicolor (8.9%), Biomphalaria pfeifferi (7.3%) and Biomphalaria sudanica (4.4%). Morphological and molecular analyses revealed 17 digenean species. Contrary to reports of low diversity of Digenea in caenogastropods, P. ovata harboured 8 species - at least twice as many as in each of the pulmonates. The following taxa are reported for the first time in the Lake Victoria region: Haplorchis pumilio, Thapariella prudhoei, Nudacotyle sp., Renicola sp. and Bolbophorus sp. An unknown cercaria belonging to the genus Haematoloechus is reported from P. ovata: a xiphidiocercaria possessing a long sword-shaped stylet (47-71 µm) which does not match any available literature records. From this study, H. pumilio from M. tuberculata (P = 69.4%), Fasciola gigantica from R. natalensis (P = 1.9%) and Bolbophorus sp. from Bu. ugandae (P = 4.6%) are species of veterinary or medical importance. Snails from the study site with little direct anthropogenic influence had the highest prevalence and diversity of digenean larvae, indicating that environmental conditions influence trematode occurrence.
journal_name
Acta Tropjournal_title
Acta tropicaauthors
Outa JO,Sattmann H,Köhsler M,Walochnik J,Jirsa Fdoi
10.1016/j.actatropica.2020.105437subject
Has Abstractpub_date
2020-06-01 00:00:00pages
105437eissn
0001-706Xissn
1873-6254pii
S0001-706X(19)31715-2journal_volume
206pub_type
杂志文章相关文献
ACTA TROPICA文献大全abstract：:Antibodies to the Pfs2400 gametocyte antigen have been shown to inhibit the development of Plasmodium falciparum in anophelines and therefore this antigen is a candidate for a transmission-blocking vaccine. To test seasonal variation of these antibodies under field conditions, sera from 72 individuals were collected t...
journal_title：Acta tropica
pub_type： 杂志文章
doi：10.1016/s0001-706x(96)00620-1
更新日期：1997-02-01 00:00:00
abstract：:Crimean-Congo hemorrhagic fever (CCHF) is one of the most important public health threats in many regions across Africa, Europe, and Asia. This study used ecological niche modeling analyses to map the environmental suitability of both CCHF virus (CCHFV), and its tick vectors (Amblyomma variegatum, Dermacentor marginat...
journal_title：Acta tropica
pub_type： 杂志文章
doi：10.1016/j.actatropica.2019.105319
更新日期：2020-03-01 00:00:00
abstract：:The effect of concomitant infection with schistosomes, Plasmodium falciparum and soil transmitted helminths (STHs) on anaemia was determined in 609 Zimbabwean primary school children. P. falciparum, haemoglobin levels and serum ferritin were determined from venous blood. Kato Katz, formal ether concentration and urine...
journal_title：Acta tropica
pub_type： 杂志文章
doi：10.1016/j.actatropica.2010.02.010
更新日期：2010-07-01 00:00:00
abstract：:Eighty Leishmania isolates from patients who contracted cutaneous leishmaniasis in the Manaus region, Amazonas State, Brazil, were identified as Leishmania (Viannia) guyanensis by the electrophoretic profiles of six enzymes. None reacted with the species-specific monoclonal antibody B19. Two L. (V.) guyanensis subpopu...
journal_title：Acta tropica
pub_type： 杂志文章
doi：10.1016/s0001-706x(02)00002-5
更新日期：2002-04-01 00:00:00
abstract：:Transmission risk for vector borne disease is greatest during periods of heightened vector activity. Triatomine bugs (Hemiptera: Reduviidae), which transmit Trypanosoma cruzi, the causative agent of Chagas disease, are generally considered nocturnal, but their patterns of activity in controlled settings have rarely be...
journal_title：Acta tropica
pub_type： 杂志文章
doi：10.1016/j.actatropica.2018.06.012
更新日期：2018-09-01 00:00:00
abstract：:Lyophilized cells (sealed and unsealed) and water dispersible powders (WDPs) of two indigenous isolates of Bacillus thuringiensis var.israelensis were stored at -10, 4, 30 and 40 degrees C for up to 4 years and checked for activity. Lyophilized cells stored in sealed condition at -10, 4 and 30 degrees C and WDPs store...
journal_title：Acta tropica
pub_type： 杂志文章
doi：10.1016/j.actatropica.2007.11.002
更新日期：2008-02-01 00:00:00
abstract：:The prevalence of schistosomiasis due to S. japonicum is focally high in the lake regions of China, and reinfection after treatment with praziquantel is frequent. In this study, the total reinfection rate among 740 treated persons was 12.9%. Factors associated with reinfection were age and sex, water contact and the d...
journal_title：Acta tropica
pub_type： 杂志文章
doi：10.1016/0001-706x(93)90053-e
更新日期：1993-08-01 00:00:00
abstract：:The COVID-19 epidemic spread rapidly through China and subsequently proliferated globally leading to a pandemic situation around the globe. Human-to-human transmission, as well as asymptomatic transmission of the infection, have been confirmed. As of April 03, 2020, public health crisis in China due to COVID-19 was po...
journal_title：Acta tropica
pub_type： 杂志文章
doi：10.1016/j.actatropica.2020.105731
更新日期：2021-01-01 00:00:00
abstract：:A cross-sectional sero-epidemiological study was conducted to determine the prevalence of dengue in Trinidad. Two commercial rapid test kits, PanBio Dengue Duo IgM and IgG Rapid Strip Test and the Bio-Check Plus Dengue G/M Cassette Test (Brittney) were used. The immunosorbent assay (ELISA) (FOCUS Technologies, Califor...
journal_title：Acta tropica
pub_type： 杂志文章
doi：10.1016/j.actatropica.2006.11.009
更新日期：2007-02-01 00:00:00
abstract：:Visceral leishmaniasis (VL) is a chronic and systemic disease; if untreated, it can cause death in a large number of cases. The therapy is based on the use of antimonials, which have been used for over 50 years. However, cases of resistance have been reported in some countries. In this context, miltefosine (MIL) was i...
journal_title：Acta tropica
pub_type： 杂志文章
doi：10.1016/j.actatropica.2020.105539
更新日期：2020-09-01 00:00:00
abstract：:Visceral leishmaniasis (VL) is caused by the trypanosomatid parasite Leishmania infantum (=Leishmania chagasi), and is epidemiologically relevant due to its wide geographic distribution, the number of annual cases reported and the increase in its co-infection with HIV. Two vector species have been incriminated in the ...
journal_title：Acta tropica
pub_type： 杂志文章
doi：10.1016/j.actatropica.2013.08.014
更新日期：2014-01-01 00:00:00
abstract：:African horse sickness- and bluetongue virus are orbiviruses transmitted by Culicoides biting midges (Diptera: Ceratopogonidae) to horses and to ruminants, respectively. Since the last epizootic outbreak of African horse sickness in 2007 in Senegal, extensive investigations have been undertaken to improve our knowledg...
journal_title：Acta tropica
pub_type： 杂志文章
doi：10.1016/j.actatropica.2015.06.012
更新日期：2015-09-01 00:00:00
abstract：:Opisthorchis viverrini infection is associated with several hepatobiliary diseases, but few reports have described extrahepatic lesions in opisthorchiasis. We therefore sequentially investigated histological changes of the gall bladder and extrahepatic bile duct in hamsters infected with 25 (group 1), 50 (group 2) and...
journal_title：Acta tropica
pub_type： 杂志文章
doi：10.1016/s0001-706x(02)00052-9
更新日期：2002-07-01 00:00:00
abstract：:The chewing lice (Mallophaga) are common parasites of different animals. Most of them infest terrestrial and marine birds, including pigeons, doves, swans, cormorants and penguins. Mallophaga have not been found on marine mammals but only on terrestrial ones, including livestock and pets. Their bites damage cattle, sh...
journal_title：Acta tropica
pub_type： 杂志文章,评审
doi：10.1016/j.actatropica.2017.05.031
更新日期：2018-01-01 00:00:00
abstract：:Mosquitoes are vectors of many human diseases. In particular, Aedes ægypti (Linnaeus) is the main vector for Chikungunya, Dengue, and Zika viruses in Latin America and it represents a global threat. Public health policies that aim at combating this vector require dependable and timely information, which is usually exp...
journal_title：Acta tropica
pub_type： 杂志文章
doi：10.1016/j.actatropica.2018.05.003
更新日期：2018-09-01 00:00:00
abstract：:The larval development of Schistosoma rodhaini in Biomphalaria glabrata presents two features of interest. The first concerns the migration of daughter sporocysts: only a fraction of the daughter sporocysts produced by the mother sporocyst migrate directly towards the digestive gland of the snail and become cercarioge...
journal_title：Acta tropica
pub_type： 杂志文章
doi：10.1016/0001-706x(89)90014-4
更新日期：1989-01-01 00:00:00
abstract：:We assessed the diversity and distribution of Trypanosoma cruzi discrete typing units (DTU) in Triatoma infestans populations and its association with local vector-borne transmission levels at various geographic scales. At a local scale, we found high predominance (92.4%) of TcVI over TcV in 68 microscope-positive T. ...
journal_title：Acta tropica
pub_type： 杂志文章
doi：10.1016/j.actatropica.2014.07.014
更新日期：2014-12-01 00:00:00
abstract：:The present study performed an analysis of the ultrastructural changes induced by andiroba seed oil in the synganglion of Rhipicephalus sanguineus female ticks, aiming to provide scientific grounds to help in the creation of more specific and efficient methods of control. The synganglion consists of a mass of fused ne...
journal_title：Acta tropica
pub_type： 杂志文章
doi：10.1016/j.actatropica.2014.06.018
更新日期：2015-01-01 00:00:00
abstract：:The last 40 years, beginning with the first TIROS (television infrared observational satellite) launched on 1 April 1960, has seen an explosion of earth environmental satellite systems and their capabilities. They can provide measurements in globe encircling arrays or small select areas, with increasing resolutions, a...
journal_title：Acta tropica
pub_type： 杂志文章,评审
doi：10.1016/s0001-706x(01)00101-2
更新日期：2001-04-27 00:00:00
abstract：:Mixed viral infections are ubiquitous in natural populations and may have significant but unpredictable biological and epidemiological consequences. These infections may be acquired simultaneously (coinfection) or result from two single infections at different time intervals (superinfection). This study investigated t...
journal_title：Acta tropica
pub_type： 杂志文章
doi：10.1016/j.actatropica.2013.10.016
更新日期：2014-02-01 00:00:00
abstract：:Over the last 20 years a great advance has been observed in many aspects of medicine, and the advent of novel imaging techniques is certainly amongst the most important. In schistosomiasis these new methods caused a revolution in the definition of the clinical forms of the disease and in the evaluation of its complica...
journal_title：Acta tropica
pub_type： 杂志文章,评审
doi：10.1016/j.actatropica.2008.07.009
更新日期：2008-11-01 00:00:00
abstract：:Coxiellosis is a zoonotic disease caused by the ubiquitous bacteria Coxiella burnetii, which can be spread either through ticks or through body fluids. In humans the infection is characterized by a febrile disease; ruminants may abort and reduce their milk yield, causing serious production losses for the farmer. In In...
journal_title：Acta tropica
pub_type： 杂志文章
doi：10.1016/j.actatropica.2019.03.022
更新日期：2019-06-01 00:00:00
abstract：:Although Leishmania major is endemic in parts of the Sinai of Egypt, the ecology and distribution of Leishmania sand fly vectors in southern Sinai has not been well characterized. Accordingly, additional sand fly samples were obtained at 41 sites in the southern Sinai region during 1996-1997, and analyzed to improve t...
journal_title：Acta tropica
pub_type： 杂志文章
doi：10.1016/j.actatropica.2012.02.067
更新日期：2012-07-01 00:00:00
abstract：:The food selection behaviour of two fish species indigenous to Zimbabwe (Tilapia rendalli and Sargochromis codringtoni) was studied under laboratory conditions with a view to considering them as biological agents for snail control. Six glass aquaria were set up and divided into two sets each with two aquaria. One S. c...
journal_title：Acta tropica
pub_type： 杂志文章
doi：10.1016/0001-706x(95)00144-4
更新日期：1996-05-01 00:00:00
abstract：:A simple method for the preparation of Toxocara canis antigen for the indirect immunofluorescent test is described: Embryonated Toxocara eggs are treated for 12 hours at room temperature with a 1:1 mixture of 2% NaHO and sodium hypochlorite (NaClO) solution with a concentration of 2% free chlorine in order to remove t...
journal_title：Acta tropica
pub_type： 杂志文章
doi：
更新日期：1975-01-01 00:00:00
abstract：:Leishmaniasis is a major vector-borne disease and health problem in Iran. Studies on sand flies, as the vectors of the disease, began in the Northern and Western parts of the country in 1930 and have been continued up to now. Concerning many published information in the field of sand flies, providing a digital databas...
journal_title：Acta tropica
pub_type： 杂志文章,meta分析
doi：10.1016/j.actatropica.2014.01.004
更新日期：2014-04-01 00:00:00
abstract：:Indirect erythrocyte membrane immunofluorescence (EMIF), a standard method for detection of antibodies to the P. falciparum blood stage vaccine candidate antigen Pf155/RESA, has been adapted to light microscopy by enzyme-linked immunostaining of the erythrocyte membrane, using alkaline phosphatase and chromogenic subs...
journal_title：Acta tropica
pub_type： 杂志文章
doi：10.1016/0001-706x(93)90050-l
更新日期：1993-10-01 00:00:00
abstract：:Albendazole, anthelmintic benzimidazole (BZ) is being co-administered with an antifilarial drug, diethylcarbamazine (DEC), in lymphatic filariasis (LF) elimination programmes. But this drug is known to result in the faster development of drug resistance and hence it is necessary to monitor drug sensitivity among popul...
journal_title：Acta tropica
pub_type： 杂志文章
doi：10.1016/s0001-706x(03)00159-1
更新日期：2003-09-01 00:00:00
abstract：:Cryptosporidium is one of the most widespread protozoan parasites that infects domestic and wild animals and is considered the second major cause of diarrhea and death in children after rotavirus. So far, around 20 distinct species are known to cause severe to moderate infections in humans, of which Cryptosporidium ho...
journal_title：Acta tropica
pub_type： 杂志文章,评审
doi：10.1016/j.actatropica.2017.10.023
更新日期：2018-08-01 00:00:00
abstract：:We have retrospectively studied the seroprevalence of the human immunodeficiency virus (HIV) in Guinea-Bissau in a sample of sera collected from the whole country in 1980. We tested a total of 1248 individuals and found 11 individuals who were seropositive for HIV-2 but there were no HIV-1 seropositive samples. The me...
journal_title：Acta tropica
pub_type： 杂志文章
doi：10.1016/s0001-706x(00)00096-6
更新日期：2000-09-18 00:00:00
