Abstract:
:Three Entamoeba spp. including E. suis, zoonotic E. polecki, and E. histolytica, have been described in pigs to date. However, little is known about the molecular epidemiology of these neglected parasites in pigs globally. In this study we surveyed the occurrence and molecular epidemiology of porcine Entamoeba spp. in pigs in eastern China and evaluated their zoonotic potential. Five hundred fresh fecal samples, collected from seven pig farms in Anhui province, eastern China,were examined for the presence of E. histolytica, E. suis, and E. polecki ST1 and ST3 infections by a combination of nested PCR targeting the small subunit ribosomal DNA gene and subsequent sequencing.The overall occurrence of Entamoeba spp. was 45.8% (229/500). Infection with E. polecki ST1 (38.2%; 191/500) was the most common, followed by E. polecki ST3 (10.0%; 50/500), and E. suis (0.8%; 4/500). No E. histolytica infection was detected. Double infections with E. polecki ST1 and E. suis, and with E. polecki ST1 and ST3 were found in two (0.4%) and 14 (2.8%) samples, respectively. No age predisposition to infection with Entamoeba spp. was observed. PCR and subsequent sequencing confirmed the validity and feasibility of the nested PCR method used in this study in identifying species/subtypes of porcine Entamoeba spp.This is the first report to describe the occurrence and molecular epidemiology of Entamoeba species in pigs in China. The presence of two zoonotic E. polecki subtypes implies that pigs can be reservoirs for human E. polecki infections. More studiess are needed to better understand the transmission and public health significance of porcine Entamoeba spp.
journal_name
Acta Tropjournal_title
Acta tropicaauthors
Li WC,Geng JZ,Chen C,Qian L,Zhang T,Liu JL,Luo JX,Gu YFdoi
10.1016/j.actatropica.2018.06.020subject
Has Abstractpub_date
2018-09-01 00:00:00pages
385-390eissn
0001-706Xissn
1873-6254pii
S0001-706X(18)30441-8journal_volume
185pub_type
杂志文章相关文献
ACTA TROPICA文献大全abstract::Homidium bromide was used in a strategic chemoprophylactic regime to control trypanosomiasis in Boran cattle in Kenya. Trypanosome infection rates in cattle receiving homidium bromide prophylaxis were compared with those in control cattle which received no prophylaxis but were treated with diminazene aceturate when in...
journal_title:Acta tropica
pub_type: 杂志文章
doi:10.1016/0001-706x(90)90019-v
更新日期:1990-03-01 00:00:00
abstract::Plasmodium vivax merozoite surface protein 1 (PvMSP-1) is a leading malaria vaccine candidate. This protein is processed to give rise to various sized fragments during merozoite maturation. Here, we describe the analysis of genetic diversity in the 42 kDa C-terminal part of this protein among 33 Indian P. vivax isolat...
journal_title:Acta tropica
pub_type: 杂志文章
doi:10.1016/j.actatropica.2008.08.011
更新日期:2008-10-01 00:00:00
abstract:BACKGROUND:To better understand the epidemiology of tick-borne disease in Mongolia, a comprehensive seroprevalence study was conducted investigating exposure to Anaplasma spp. and spotted fever group (SFG) Rickettsia spp. in nomadic herders and their livestock across three provinces from 2014 to 2015. METHODS:Blood wa...
journal_title:Acta tropica
pub_type: 杂志文章
doi:10.1016/j.actatropica.2017.10.015
更新日期:2018-01-01 00:00:00
abstract::A comparative study of egg morphology of Schistosoma mansoni carried out between 9 parasite populations from Guadeloupean foci demonstrates the existence of an intraspecific polymorphism. Three types of lateral spined eggs have been described and their relative proportions observed between populations are related to t...
journal_title:Acta tropica
pub_type: 杂志文章
doi:
更新日期:1986-12-01 00:00:00
abstract::Accumulation, degradation and excretion by the host of helminth metabolic end products, such as branched-chain volatile fatty acids are poorly studied although they play an appreciable role in host-parasite interactions and, being detectable in excreta, provide a reliable diagnostic test for at least some helminthiase...
journal_title:Acta tropica
pub_type: 杂志文章
doi:
更新日期:1981-12-01 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::Definitions of the term 'challenge' as applied to the African trypanosomiases are reviewed. Data from one West and one East African site show simple linear relationships between the incidence of trypanosomiasis in both humans and animals, and either the amount of man-tsetse contact, or the Apparent Density of flies. D...
journal_title:Acta tropica
pub_type: 杂志文章,评审
doi:
更新日期:1985-03-01 00:00:00
abstract::The identification and characterization of Leishmania are relevant to diagnosis, treatment, eco-epidemiology studies, prophylactic measures and control of the disease. Two strains of Leishmania (MHOM/BR/1971/BH49 and MHOM/BR/1971/BH121), isolated from human cutaneous leishmaniasis, were studied using biological and mo...
journal_title:Acta tropica
pub_type: 杂志文章
doi:10.1016/j.actatropica.2009.07.026
更新日期:2009-12-01 00:00:00
abstract::Cutaneous leishmaniasis (CL) is an emerging neglected tropical disease in Azad Jammu and Kashmir which is an underdeveloped area. Prevalence and parasite species identification are the key factors to control disease in a particular population, which were the objectives of the present study. Due to a lack of previous d...
journal_title:Acta tropica
pub_type: 杂志文章
doi:10.1016/j.actatropica.2020.105434
更新日期:2020-06-01 00:00:00
abstract::Extracellular vesicles (EVs) play a key role in host-parasite interactions. Previous studies have shown that parasites can release microRNA (miRNA) containing EVs, which can transfer their contents to host cells and regulate gene expression in recipient cells. However, a little is known about the secretion of EVs by t...
journal_title:Acta tropica
pub_type: 杂志文章
doi:10.1016/j.actatropica.2020.105718
更新日期:2020-12-01 00:00:00
abstract::Studies on in vitro skin permeation and in vivo anti-leishmanial activity in mice experimentally infected with Leishmania (Leishmania) major pointed out to the potential of a new paromomycin (PA) formulation (hydrophilic gel) for treatment of cutaneous leishmaniasis (CL). In this study, the activity of this formulatio...
journal_title:Acta tropica
pub_type: 杂志文章
doi:10.1016/j.actatropica.2004.10.007
更新日期:2005-02-01 00:00:00
abstract::The biological control of schistosomiasis has already proven its efficiency in several habitats in the Caribbean area. Two main types of biological control agents, either trematode parasites or competitor snails have been studied and tested against the snail hosts of schistosomiasis in this region. The first one, Ribe...
journal_title:Acta tropica
pub_type: 杂志文章
doi:10.1016/s0001-706x(00)00123-6
更新日期:2000-10-23 00:00:00
abstract::Triatoma infestans is a mandatory haematophagous vector of Chagas disease in Brazil. Despite a large number of studies on the anti-haemostatic molecules present in its saliva, the role of its salivary components on parasite transmission is poorly understood. Here, we show that the bioactive lipid molecule, lysophospha...
journal_title:Acta tropica
pub_type: 杂志文章
doi:10.1016/j.actatropica.2017.10.022
更新日期:2018-02-01 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 structure of the Phlebotomine sand fly community from the Venezuelan Andes was studied using null-model tests. The analyses, at the living zones and altitudes scales, revealed C-scores larger than those expected by random, independently of the collection technique (P < 0.05). These results imply that sand fly spec...
journal_title:Acta tropica
pub_type: 杂志文章
doi:10.1016/j.actatropica.2004.08.001
更新日期:2004-11-01 00:00:00
abstract::Two decades ago, a group of Chinese scientists discovered the antischistosomal properties of artemether, a derivative of the antimalarial drug artemisinin. However, it was only recently that the importance of this finding was recognized internationally, following a collaborative effort between Chinese, European and Af...
journal_title:Acta tropica
pub_type: 杂志文章,评审
doi:10.1016/s0001-706x(02)00009-8
更新日期:2002-05-01 00:00:00
abstract::Swine influenza is responsible for one of the most prevalent disease affecting the swine industry worldwide. Epidemiological surveys rarely focus on remote areas, because traditional farming systems characterized by locally consumed production and low pig densities are considered as having little influence on the emer...
journal_title:Acta tropica
pub_type: 杂志文章
doi:10.1016/j.actatropica.2011.11.012
更新日期:2012-04-01 00:00:00
abstract::The World Health Organization (WHO) treatment protocols for cystic echinococcosis (CE) are based on the standardized ultrasound (US) classification. This study examined whether the classification reflected the natural history of CE in untreated and albendazole-treated patients. Data were collected during mass US scree...
journal_title:Acta tropica
pub_type: 杂志文章
doi:10.1016/j.actatropica.2017.03.018
更新日期:2017-07-01 00:00:00
abstract::In this study we standardized a new technical approach in which the target mitochondrial DNA sequence (mtDNA) is amplified using a simple but sensitive PCR method as a tool to detect Plasmodium falciparum and Plasmodium vivax. Specific primers were designed to hybridize with cytochrome c oxidase genes of P. falciparum...
journal_title:Acta tropica
pub_type: 杂志文章
doi:10.1016/j.actatropica.2009.02.003
更新日期:2009-07-01 00:00:00
abstract::Benzimidazoles, including albendazole and mebendazole, are the major drugs for clinical chemotherapy of echinococcosis. They mainly exert parasitostatic effects depending on high dosages for long-term. Previous studies have identified carbazole aminoalcohols as novel anti-CE (cystic echinococcosis) agents. However, it...
journal_title:Acta tropica
pub_type: 杂志文章
doi:10.1016/j.actatropica.2018.05.007
更新日期:2018-09-01 00:00:00
abstract::House is the major site for malaria infection where most human-vector contact takes place. Hence, improving housing might reduce the risk of malaria infection by limiting house entry of vectors. This study aimed to explore the impact of screening doors and windows with wire meshes on density and entomological inoculat...
journal_title:Acta tropica
pub_type: 杂志文章,随机对照试验
doi:10.1016/j.actatropica.2018.02.009
更新日期:2018-05-01 00:00:00
abstract::Paragonimiasis is a subacute to chronic inflammatory granulomatous lung disease caused by the genus Paragonimus. In Latin America Paragonimus mexicanus Miyazaki & Ishii, 1968 is the only confirmed species to cause human infections. Paragonimus caliensis Little, 1968 is an uncommon species often regarded as a synonym o...
journal_title:Acta tropica
pub_type: 杂志文章
doi:10.1016/j.actatropica.2018.03.024
更新日期:2018-07-01 00:00:00
abstract::Glugea eda n. sp. is described from the mesenteries of the striated fusilier, Caesio striata, collected from the Red Sea coast off Yanbu' al Bahr, Saudi Arabia. Numerous blackish xenomas, ranged from 3 to 5 mm, were found in the body cavity associated with the mesenteries. Mature spores are monomorphic, ellipsoidal wi...
journal_title:Acta tropica
pub_type: 杂志文章
doi:10.1016/j.actatropica.2020.105331
更新日期:2020-04-01 00:00:00
abstract:BACKGROUND:Mosquitoes are responsible for spreading many diseases and their populations are susceptible to environmental changes. The ecosystems in the Three Gorges Region were probably altered because of changes to the environment during the construction of the Three Gorges Dam (TGD), the world's largest hydroelectric...
journal_title:Acta tropica
pub_type: 杂志文章
doi:10.1016/j.actatropica.2018.03.008
更新日期:2018-06-01 00:00:00
abstract:BACKGROUND:Dengue incidence has grown dramatically around the world in recent years. Vector control is the only method to reduce dengue incidence due to the lack of a vaccine available. By understanding the factors contributed to the vector densities such as environmental and sociological factors, dengue prevention and...
journal_title:Acta tropica
pub_type: 杂志文章
doi:10.1016/j.actatropica.2021.105834
更新日期:2021-01-21 00:00:00
abstract::In order to investigate whether the autoantibody production in the course of African trypanosomiasis is the result of a generalized polyclonal activation or if it is a specific (antigen-dependent) phenomenon we looked for the presence of autoantibodies directed against autoantigens likely to be released (DNA) or unlik...
journal_title:Acta tropica
pub_type: 杂志文章
doi:
更新日期:1983-12-01 00:00:00
abstract::Extracts prepared from 15 rare Tanzanian medicinal plants were tested for their in vitro antitrypanosomal activity against human pathogenic trypanosomes (Trypanosoma brucei rhodesiense). Of 37 extracts investigated, two were found to have strong activity with IC50 values below 1 microgram/ml and ten extracts revealed ...
journal_title:Acta tropica
pub_type: 杂志文章
doi:10.1016/s0001-706x(97)00034-x
更新日期:1997-08-01 00:00:00
abstract::As strictly haematophagous insects, tsetse flies feed on a wide variety of wild and domestic animals. Although these are mainly mammals, some tsetse species also feed on reptiles. The present study investigated whether the odours of several potential natural tsetse hosts may be used as novel attractants to improve the...
journal_title:Acta tropica
pub_type: 杂志文章
doi:10.1016/s0001-706x(97)00083-1
更新日期:1997-11-01 00:00:00
abstract::Proteins in Schistosoma haematobium infected human urine were concentrated by precipitation with saturated ammonium sulphate 50% (v/v) and various fractions obtained at different stages of precipitation tested for presence of schistosome antigens (ShAgs) by dot-ELISA. The protein fraction (UP2S) obtained following two...
journal_title:Acta tropica
pub_type: 杂志文章
doi:10.1016/s0001-706x(96)00040-x
更新日期:1996-10-01 00:00:00
abstract::Schistosomiasis is a snail-transmitted infectious disease caused by a long lasting infection with a blood fluke of the genus Schistosoma. S. haematobium and S. mansoni are the species endemic in Egypt. The country has been plagued and seriously suffered from schistosomiasis over the past 5000 years. Great strides had ...
journal_title:Acta tropica
pub_type: 杂志文章,评审
doi:10.1016/j.actatropica.2018.02.005
更新日期:2018-05-01 00:00:00