Abstract:
BACKGROUND:Pyrethroid resistance has been slower to emerge in Anopheles arabiensis than in An. gambiae s.s and An. funestus and, consequently, studies are only just beginning to unravel the genes involved. Permethrin resistance in An. arabiensis in Lower Moshi, Tanzania has been linked to elevated levels of both P450 monooxygenases and β-esterases. We have conducted a gene expression study to identify specific genes linked with metabolic resistance in the Lower Moshi An. arabiensis population. METHODS:Microarray experiments employing an An. gambiae whole genome expression chip were performed on An. arabiensis, using interwoven loop designs. Permethrin-exposed survivors were compared to three separate unexposed mosquitoes from the same or a nearby population. A subsection of detoxification genes were chosen for subsequent quantitative real-time PCR (qRT-PCR). RESULTS:Microarray analysis revealed significant over expression of 87 probes and under expression of 85 probes (in pairwise comparisons between permethrin survivors and unexposed sympatric and allopatric samples from Dar es Salaam (controls). For qRT-PCR we targeted over expressed ABC transporter genes (ABC '2060'), a glutathione-S-transferase, P450s and esterases. Design of efficient, specific primers was successful for ABC '2060'and two P450s (CYP6P3, CYP6M2). For the CYP4G16 gene, we used the primers that were previously used in a microarray study of An. arabiensis from Zanzibar islands. Over expression of CYP4G16 and ABC '2060' was detected though with contrasting patterns in pairwise comparisons between survivors and controls. CYP4G16 was only up regulated in survivors, whereas ABC '2060' was similar in survivors and controls but over expressed in Lower Moshi samples compared to the Dar es Salaam samples. Increased transcription of CYP4G16 and ABC '2060' are linked directly and indirectly respectively, with permethrin resistance in Lower Moshi An. arabiensis. CONCLUSIONS:Increased transcription of a P450 (CYP4G16) and an ABC transporter (ABC 2060) are linked directly and indirectly respectively, with permethrin resistance in Lower Moshi An. arabiensis. Our study provides replication of CYP4G16 as a candidate gene for pyrethroid resistance in An. arabiensis, although its role may not be in detoxification, and requires further investigation.
journal_name
Parasit Vectorsjournal_title
Parasites & vectorsauthors
Matowo J,Jones CM,Kabula B,Ranson H,Steen K,Mosha F,Rowland M,Weetman Ddoi
10.1186/1756-3305-7-274subject
Has Abstractpub_date
2014-06-19 00:00:00pages
274issn
1756-3305pii
1756-3305-7-274journal_volume
7pub_type
杂志文章abstract:BACKGROUND:Mutation of the voltage-gated sodium channel (VGSC) gene, or knockdown resistance (kdr) gene, is an important resistance mechanism against DDT and pyrethroids for dengue vector Aedes albopictus. A phenylalanine to serine (F1534S), leucine (F1534L) and cysteine (F1534C) substitution were detected in many Ae. ...
journal_title:Parasites & vectors
pub_type: 杂志文章
doi:10.1186/s13071-019-3829-5
更新日期:2019-12-26 00:00:00
abstract::Trypanosoma rangeli is a protozoan that is non-pathogenic for humans and other mammals but causes pathology in the genus Rhodnius. T. rangeli and R. prolixus is an excellent model for studying the parasite-vector interaction, but its cycle in invertebrates remains unclear. The vector becomes infected on ingesting bloo...
journal_title:Parasites & vectors
pub_type: 杂志文章,评审
doi:10.1186/1756-3305-5-105
更新日期:2012-05-30 00:00:00
abstract:BACKGROUND:Sand flies are responsible for the transmission of several disease pathogens including Leishmania. Sand flies breed in habitats with high levels of humidity and organic matter. They are nocturnal in nature and peak activity ranges from dusk to dawn. The scientific evidence on breeding ecology and diurnal res...
journal_title:Parasites & vectors
pub_type: 杂志文章
doi:10.1186/s13071-020-04154-7
更新日期:2020-06-05 00:00:00
abstract::Rickettsioses are among the oldest known infectious diseases. In spite of this, and of the extensive research carried out, many aspects of the biology and epidemiology of tick-borne rickettsiae are far from being completely understood. Their association with arthropod vectors, the importance of vertebrates as reservoi...
journal_title:Parasites & vectors
pub_type: 杂志文章,评审
doi:10.1186/s13071-018-2856-y
更新日期:2018-04-24 00:00:00
abstract:BACKGROUND:Ixodes ricinus, a competent vector of several pathogens, is the tick species most frequently reported to bite humans in Europe. The majority of human cases of Lyme borreliosis (LB) and tick-borne encephalitis (TBE) occur in the north-eastern region of Italy. The aims of this study were to detect the occurren...
journal_title:Parasites & vectors
pub_type: 杂志文章
doi:10.1186/1756-3305-5-61
更新日期:2012-03-27 00:00:00
abstract:BACKGROUND:The tick midgut and salivary glands represent the primary organs for pathogen acquisition and transmission, respectively. Specifically, the midgut is the first organ to have contact with pathogens during the blood meal uptake, while salivary glands along with their secretions play a crucial role in pathogen ...
journal_title:Parasites & vectors
pub_type: 杂志文章
doi:10.1186/s13071-019-3418-7
更新日期:2019-04-02 00:00:00
abstract:BACKGROUND:Liver fluke (Fasciola hepatica) is a widespread parasite of ruminants which can have significant economic impact on cattle production. Fluke infection status at the animal-level is captured during meat inspection of all animals processed for human consumption within Northern Ireland. These national datasets ...
journal_title:Parasites & vectors
pub_type: 杂志文章
doi:10.1186/s13071-016-1489-2
更新日期:2016-04-14 00:00:00
abstract:BACKGROUND:Certain municipalities in the Belo Horizonte Metropolitan Area (BHMA), Minas Gerais, Brazil, have the highest human visceral leishmaniasis (VL) mortality rates in the country and also demonstrate high canine seropositivity. In Brazil, the etiologic agent of VL is Leishmania (Leishmania) infantum. The aim of ...
journal_title:Parasites & vectors
pub_type: 杂志文章
doi:10.1186/s13071-015-0837-y
更新日期:2015-04-15 00:00:00
abstract:BACKGROUND:The East Asian mosquito species Aedes koreicus was recorded out of its native range for the first time in Belgium in 2008. Since then, several other European populations or single individuals have been observed throughout Europe with reports from Italy, Switzerland, European Russia, Slovenia, Germany and Hun...
journal_title:Parasites & vectors
pub_type: 杂志文章
doi:10.1186/s13071-018-3199-4
更新日期:2018-12-17 00:00:00
abstract:BACKGROUND:Leishmania major and Leishmania infantum are among the main species that are responsible for cutaneous leishmaniosis (CL) and visceral leishmaniosis (VL), respectively. The leishmanioses represent the second-largest parasitic killer in the world after malaria. Recently, we succeeded in generating a plasmid D...
journal_title:Parasites & vectors
pub_type: 杂志文章
doi:10.1186/s13071-015-1246-y
更新日期:2015-12-09 00:00:00
abstract:BACKGROUND:Anaplasma ovis is a gram-negative, tick-borne obligate intraerythrocytic pathogen, which causes ovine anaplasmosis in small ruminants worldwide. VirB10 of A. ovis is an integral component of the Type IV Secretion System (T4SS). The T4SS is used by bacteria to transfer DNA and/or proteins undeviatingly into t...
journal_title:Parasites & vectors
pub_type: 杂志文章
doi:10.1186/s13071-020-3975-9
更新日期:2020-02-27 00:00:00
abstract:BACKGROUND:Neorickettsia are a group of intracellular α proteobacteria transmitted by digeneans (Platyhelminthes, Trematoda). These endobacteria can also infect vertebrate hosts of the helminths and cause serious diseases in animals and humans. Neorickettsia have been isolated from infected animals and maintained in ce...
journal_title:Parasites & vectors
pub_type: 杂志文章
doi:10.1186/s13071-017-2123-7
更新日期:2017-04-13 00:00:00
abstract:BACKGROUND:Air-borne introduction of exotic mosquitoes to Schiphol airport in the Netherlands has been considered plausible based upon findings of mosquitoes in aircraft cabins during 2008, 2010 and 2011. Beginning in 2013, surveillance efforts at Schiphol had focused on promptly detecting accidental introductions at t...
journal_title:Parasites & vectors
pub_type: 杂志文章
doi:10.1186/s13071-017-2555-0
更新日期:2017-12-08 00:00:00
abstract:BACKGROUND:Dengue virus (DENV) is the arbovirus with the highest incidence in New Caledonia and in the South Pacific region. In 2012-2014, a major DENV-1 outbreak occurred in New Caledonia. The only known vector of DENV in New Caledonia is Aedes aegypti but no study has yet evaluated the competence of New Caledonia Ae....
journal_title:Parasites & vectors
pub_type: 杂志文章
doi:10.1186/s13071-017-2319-x
更新日期:2017-08-09 00:00:00
abstract:BACKGROUND:During recent periods, the islands of the Republic of Seychelles experienced many diseases such as dengue, chikungunya, Bancroft's filaria and malaria. Mosquitoes transmit the agents that cause these diseases. Published information on mosquitoes in the Seychelles is notably dispersed in the literature. The m...
journal_title:Parasites & vectors
pub_type: 杂志文章
doi:10.1186/1756-3305-5-207
更新日期:2012-09-21 00:00:00
abstract:BACKGROUND:Schistosomiasis japonica remains a major public health concern in China. There are many interventions implemented to control the transmission of the disease. The purpose of the present study was to investigate the effects of an integrated control strategy for schistosomiasis control. METHODS:An integrated c...
journal_title:Parasites & vectors
pub_type: 杂志文章
doi:10.1186/1756-3305-4-243
更新日期:2011-12-30 00:00:00
abstract:BACKGROUND:Limited available sequence information has greatly impeded population genetics, phylogenetics and systematics studies in the subclass Acari (mites and ticks). Mitochondrial (mt) DNA is well known to provide genetic markers for investigations in these areas, but complete mt genomic data have been lacking for ...
journal_title:Parasites & vectors
pub_type: 杂志文章
doi:10.1186/1756-3305-7-340
更新日期:2014-07-22 00:00:00
abstract:BACKGROUND:Angiostrongylus cantonensis has been the only parasite among Angiostrongylidae to cause human central nervous system infection characterized by eosinophilic meningitis or meningoencephalitis. The mechanism of the extensive neurological impairments of hosts caused by A. cantonensis larvae remains unclear. The...
journal_title:Parasites & vectors
pub_type: 杂志文章
doi:10.1186/s13071-017-2565-y
更新日期:2017-12-19 00:00:00
abstract::Helminth infection may modulate the expression of Toll like receptors (TLR) in dendritic cells (DCs) and modify the responsiveness of DCs to TLR ligands. This may regulate aberrant intestinal inflammation in humans with helminthes and may thus help alleviate inflammation associated with human inflammatory bowel diseas...
journal_title:Parasites & vectors
pub_type: 杂志文章,评审
doi:10.1186/1756-3305-4-186
更新日期:2011-09-27 00:00:00
abstract:BACKGROUND:Blood-feeding is a common strategy among parasitizing arthropods, including the ectoparasitic salmon louse (Lepeophtheirus salmonis), feeding off its salmon host's skin and blood. Blood is rich in nutrients, among these iron and heme. These are essential molecules for the louse, yet their oxidative propertie...
journal_title:Parasites & vectors
pub_type: 杂志文章
doi:10.1186/s13071-020-04096-0
更新日期:2020-05-06 00:00:00
abstract:: Canine leishmaniosis is widespread in South America, where a number of Leishmania species have been isolated or molecularly characterised from dogs. Most cases of canine leishmaniosis are caused by Leishmania infantum (syn. Leishmania chagasi) and Leishmania braziliensis. The only well-established vector of Leishmani...
journal_title:Parasites & vectors
pub_type: 杂志文章
doi:10.1186/1756-3305-2-S1-S1
更新日期:2009-03-26 00:00:00
abstract::An amendment to this paper has been published and can be accessed via the original article. ...
journal_title:Parasites & vectors
pub_type: 已发布勘误
doi:10.1186/s13071-020-04349-y
更新日期:2020-09-22 00:00:00
abstract:BACKGROUND:Trichinella spiralis is a major zoonotic tissue-dwelling nematode, which is a public health concern and a serious hazard to animal food safety. It is necessary to exploit an anti-Trichinella vaccine to interrupt the transmission of Trichinella infection among animals and from animals to humans. The purpose o...
journal_title:Parasites & vectors
pub_type: 杂志文章
doi:10.1186/s13071-019-3833-9
更新日期:2019-12-11 00:00:00
abstract:BACKGROUND:Invasive mosquito species (IMS) of the genus Aedes are a cause of increasing concern in Europe owing to their ability to vector important human viral diseases. Entomological surveillance to early detect alien mosquito and flavivirus circulation in Liguria, northwest Italy, has been carried out since 2011. R...
journal_title:Parasites & vectors
pub_type: 杂志文章
doi:10.1186/s13071-019-3589-2
更新日期:2019-07-05 00:00:00
abstract:BACKGROUND:In East Africa, animal trypanosomiasis is caused by many tsetse transmitted protozoan parasites including Trypanosoma vivax, T. congolense and subspecies of T. brucei s.l. (T. b. brucei and zoonotic human infective T. b. rhodesiense) that may co-circulate in domestic and wild animals. Accurate species-specif...
journal_title:Parasites & vectors
pub_type: 杂志文章
doi:10.1186/1756-3305-3-82
更新日期:2010-09-06 00:00:00
abstract:BACKGROUND:In the Eastern and Upper Midwestern regions of North America, Ixodes scapularis (L.) is the most abundant tick species encountered by humans and the primary vector of B. burgdorferi, whereas in the southeastern region Amblyomma americanum (Say) is the most abundant tick species encountered by humans but cann...
journal_title:Parasites & vectors
pub_type: 杂志文章
doi:10.1186/1756-3305-5-139
更新日期:2012-07-10 00:00:00
abstract:BACKGROUND:Enterocytozoon bieneusi is a parasite that infects humans and a wide range of other animals. The large migratory waterfowl, the whooper swan (Cygnus cygnus), travels through many cities during its migration and can spread parasites. Despite receiving increasing attention worldwide, there have been no reports...
journal_title:Parasites & vectors
pub_type: 杂志文章
doi:10.1186/s13071-020-3884-y
更新日期:2020-01-07 00:00:00
abstract:BACKGROUND:Aedes mosquito-transmitted outbreaks of dengue and yellow fever have been reported from rural and urban parts of Côte d'Ivoire. The present study aimed at assessing Aedes spp. oviposition ecology in variously urbanized settings within arbovirus foci in southeastern Côte d'Ivoire. METHODS:Aedes spp. eggs wer...
journal_title:Parasites & vectors
pub_type: 杂志文章
doi:10.1186/s13071-016-1778-9
更新日期:2016-09-29 00:00:00
abstract:BACKGROUND:Schistosomiasis is a prevalent but neglected tropical disease caused by parasitic trematodes of the genus Schistosoma, with the primary disease-causing species being S. haematobium, S. mansoni and S. japonicum. Male-female pairing of schistosomes is necessary for sexual maturity and the production of a large...
journal_title:Parasites & vectors
pub_type: 杂志文章
doi:10.1186/s13071-019-3672-8
更新日期:2019-08-23 00:00:00
abstract:BACKGROUND:Visceral leishmaniasis (VL) is an important public health challenge in Brazil because of the high number of human and canine cases reported annually. Leishmania infantum is the etiological agent of VL and Lutzomyia longipalpis is its main vector. However, evidence suggests that this taxon constitutes a speci...
journal_title:Parasites & vectors
pub_type: 杂志文章
doi:10.1186/s13071-017-2211-8
更新日期:2017-05-30 00:00:00