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Parasites & vectors
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2019 v.12 no.1
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- Author:
- Damie Pak; Steven B. Jacobs; Joyce M. Sakamoto
- Source:
- Parasites & vectors 2019 v.12 no.1 pp. 189
- ISSN:
- 1756-3305
- Subject:
- Dermacentor variabilis; Ixodes cookei; Ixodes scapularis; community structure; dominant species; geographical distribution; host range; monitoring; pathogens; population size; retrospective studies; risk; temporal variation; tick-borne diseases; ticks; wildlife; Pennsylvania
- Abstract:
- ... BACKGROUND: Tick-borne diseases have been increasing at the local, national, and global levels. Researchers studying ticks and tick-borne diseases need a thorough knowledge of the pathogens, vectors, and epidemiology of disease spread. Both active and passive surveillance approaches are typically used to estimate tick population size and risk of tick encounter. Our data consists of a composite of ...
- DOI:
- 10.1186/s13071-019-3451-6
- PubMed:
- 31036065
- PubMed Central:
- PMC6489237
- CHORUS:
- 10.1186/s13071-019-3451-6
- https://doi.org/10.1186/s13071-019-3451-6
- Author:
- Laura Vavassori; Adam Saddler; Pie Müller
- Source:
- Parasites & vectors 2019 v.12 no.1 pp. 583
- ISSN:
- 1756-3305
- Subject:
- Aedes albopictus; age structure; breeding sites; disease transmission; females; host seeking; imagos; invasive species; males; mark release recapture; mark-recapture studies; monitoring; population density; population size; survival rate; vector control; Switzerland
- Abstract:
- ... BACKGROUND: Understanding the dispersal dynamics of invasive mosquito species is fundamental to improve vector surveillance and to target control efforts. Aedes albopictus has been deemed a poor flyer as its range of active dispersal is generally assumed to be limited to a few hundred metres, while laboratory studies suggest this mosquito could actually fly several kilometres. The discrepancy may ...
- DOI:
- 10.1186/s13071-019-3837-5
- PubMed:
- 31831040
- PubMed Central:
- PMC6909613
- https://doi.org/10.1186/s13071-019-3837-5
- Author:
- Berenice González-Rete; Paz María Salazar-Schettino; Martha I. Bucio-Torres; Alex Córdoba-Aguilar; Margarita Cabrera-Bravo
- Source:
- Parasites & vectors 2019 v.12 no.1 pp. 219
- ISSN:
- 1756-3305
- Subject:
- Chagas disease; Triatominae; Trypanosoma cruzi; climate change; disease vectors; enzyme activity; human diseases; insects; life history; midgut; monophenol monooxygenase; parasites; prophenoloxidase; rectum; survival rate; temperature; vectorial capacity
- Abstract:
- ... BACKGROUND: Little is known about how human disease vectors will modify their life history patterns and survival capacity as a result of climate change. One case is that of Chagas disease, which has triatomine bugs and Trypanosoma cruzi as vectors and parasite, respectively. This work aimed to determine: (i) the activity of the prophenoloxidase system (prophenoloxidase and phenoloxidase activity, ...
- DOI:
- 10.1186/s13071-019-3477-9
- PubMed:
- 31068226
- PubMed Central:
- PMC6507061
- https://doi.org/10.1186/s13071-019-3477-9
- Author:
- Michele S. Barros; Priscila G. Lara; Monique T. Fonseca; Eduardo H. Moretti; Luciano R. Filgueiras; Joilson O. Martins; Margareth L. Capurro; Alexandre A. Steiner; Anderson Sá-Nunes
- Source:
- Parasites & vectors 2019 v.12 no.1 pp. 239
- ISSN:
- 1756-3305
- Subject:
- Aedes aegypti; adaptive immunity; bioactive properties; blood; hemostasis; immunomodulators; inducible nitric oxide synthase; inflammation; interferon-gamma; interleukin-12; interleukin-4; interleukin-6; lipopolysaccharides; macrophages; mannose; mice; mouthparts; nitric oxide; phenotype; phenotypic plasticity; saliva; salivary glands; transcription factor NF-kappa B; urea; viability
- Abstract:
- ... BACKGROUND: During the feeding process, the mouthparts of hematophagous mosquitoes break the skin barrier and probe the host tissue to find the blood. The saliva inoculated in this microenvironment modulates host hemostasis, inflammation and adaptive immune responses. However, the mechanisms involved in these biological activities remain poorly understood and few studies explored the potential rol ...
- DOI:
- 10.1186/s13071-019-3487-7
- PubMed:
- 31097013
- PubMed Central:
- PMC6524299
- https://doi.org/10.1186/s13071-019-3487-7
- Author:
- Mathieu Cayla; Federico Rojas; Eleanor Silvester; Frank Venter; Keith R. Matthews
- Source:
- Parasites & vectors 2019 v.12 no.1 pp. 190
- ISSN:
- 1756-3305
- Subject:
- African trypanosomiasis; Glossina; antigenic variation; genes; humans; immune evasion; parasites; technology; Sub-Saharan Africa
- Abstract:
- ... African trypanosomes cause human African trypanosomiasis and animal African trypanosomiasis. They are transmitted by tsetse flies in sub-Saharan Africa. Although most famous for their mechanisms of immune evasion by antigenic variation, there have been recent important studies that illuminate important aspects of the biology of these parasites both in their mammalian host and during passage throug ...
- DOI:
- 10.1186/s13071-019-3355-5
- PubMed:
- 31036044
- PubMed Central:
- PMC6489224
- https://doi.org/10.1186/s13071-019-3355-5
- Author:
- Jyoti Chhibber-Goel; Sarthak Joshi; Amit Sharma
- Source:
- Parasites & vectors 2019 v.12 no.1 pp. 482
- ISSN:
- 1756-3305
- Subject:
- Babesia bigemina; Babesia bovis; Babesia microti; Homo sapiens; Internet; Ixodes scapularis; Panthera leo; Panthera pardus; Panthera tigris; Protozoa; Rhipicephalus microplus; aminoacyl tRNA ligases; aminoacyl transfer RNA; babesiosis; cattle; disease vectors; drugs; genome; horses; humans; infectious diseases; pathogens; sequence analysis; ticks
- Abstract:
- ... BACKGROUND: A century ago, pantheras were abundant across Asia. Illegal hunting and trading along with loss of habitat have resulted in the designation of Panthera as a genus of endangered species. In addition to the onslaught from humans, pantheras are also susceptible to outbreaks of several infectious diseases, including babesiosis. The latter is a hemoprotozoan disease whose causative agents a ...
- DOI:
- 10.1186/s13071-019-3717-z
- PubMed:
- 31610802
- PubMed Central:
- PMC6792207
- https://doi.org/10.1186/s13071-019-3717-z
- Author:
- Rachel M. Chalmers; Guy Robinson; Kristin Elwin; Richard Elson
- Source:
- Parasites & vectors 2019 v.12 no.1 pp. 95
- ISSN:
- 1756-3305
- Subject:
- Cryptosporidium hominis; Cryptosporidium parvum; cryptosporidiosis; databases; drinking; drinking water; epidemiological studies; gastroenteritis; genotyping; humans; monitoring; outbreak investigation; patients; public health; swimming pools; water pollution; water supply; England
- Abstract:
- ... BACKGROUND: Cryptosporidium spp. are important causes of gastroenteritis that can be transmitted from humans and animals. We elucidated the distribution of species and gp60 subtypes in human outbreaks classified by transmission vehicle. METHODS: We used a combined database of national outbreak surveillance and reference unit data to analyse outbreaks by setting, vehicle, season, and linkage with s ...
- DOI:
- 10.1186/s13071-019-3354-6
- PubMed:
- 30867023
- PubMed Central:
- PMC6417012
- https://doi.org/10.1186/s13071-019-3354-6
- Author:
- Ryanne I. Jaarsma; Hein Sprong; Katsuhisa Takumi; Maria Kazimirova; Cornelia Silaghi; Atle Mysterud; Ivo Rudolf; Relja Beck; Gábor Földvári; Laura Tomassone; Margit Groenevelt; Reinard R. Everts; Jolianne M. Rijks; Frauke Ecke; Birger Hörnfeldt; David Modrý; Karolina Majerová; Jan Votýpka; Agustín Estrada-Peña
- Source:
- Parasites & vectors 2019 v.12 no.1 pp. 328
- ISSN:
- 1756-3305
- Subject:
- Anaplasma phagocytophilum; DNA; Ixodes persulcatus; Ixodes ricinus; bacteria; data collection; ecotypes; genes; haplotypes; niches; phylogeny; provenance; rodents; ticks; Japan; Korean Peninsula; Russia
- Abstract:
- ... BACKGROUND: Anaplasma phagocytophilum is currently regarded as a single species. However, molecular studies indicate that it can be subdivided into ecotypes, each with distinct but overlapping transmission cycle. Here, we evaluate the interactions between and within clusters of haplotypes of the bacterium isolated from vertebrates and ticks, using phylogenetic and network-based methods. METHODS: T ...
- DOI:
- 10.1186/s13071-019-3583-8
- PubMed:
- 31253201
- PubMed Central:
- PMC6599317
- https://doi.org/10.1186/s13071-019-3583-8
- Author:
- Tatiana Zueva; Rodrigo Morchón; Elena Carretón; José Alberto Montoya-Alonso; Alexis Santana; María Dolores Bargues; Santiago Mas-Coma; Alicia Rodríguez-Barbero; Fernando Simón
- Source:
- Parasites & vectors 2019 v.12 no.1 pp. 315
- ISSN:
- 1756-3305
- Subject:
- Dirofilaria immitis; Wolbachia; adults; analytical kits; angiogenesis; antigens; cell culture; dirofilariasis; dogs; doxycycline; endothelial cells; hypoxia; inflammation; models; vascular endothelial growth factor A
- Abstract:
- ... BACKGROUND: Angiogenesis can occur under pathological conditions when stimuli such as inflammation, vascular obstruction or hypoxia exist. These stimuli are present in cardiopulmonary dirofilariosis (Dirofilaria immitis). The aim of this study was to analyze the capacity of D. immitis antigens to modify the expression of angiogenic factors and trigger the formation of pseudocapillaries (tube-like ...
- DOI:
- 10.1186/s13071-019-3570-0
- PubMed:
- 31234915
- PubMed Central:
- PMC6591997
- https://doi.org/10.1186/s13071-019-3570-0
10. Anopheles aquasalis transcriptome reveals autophagic responses to Plasmodium vivax midgut invasion
- Author:
- Rosa Amélia Gonçalves Santana; Maurício Costa Oliveira; Iria Cabral; Rubens Celso Andrade Silva Junior; Débora Raysa Teixeira de Sousa; Lucas Ferreira; Marcus Vinícius Guimarães Lacerda; Wuelton Marcelo Monteiro; Patrícia Abrantes; Maria das Graças Vale Barbosa Guerra; Henrique Silveira
- Source:
- Parasites & vectors 2019 v.12 no.1 pp. 261
- ISSN:
- 1756-3305
- Subject:
- Anopheles aquasalis; Plasmodium vivax; antimalarials; autophagy; cDNA libraries; complementary DNA; control methods; epithelium; gametocytes; gene expression regulation; genes; malaria; messenger RNA; midgut; parasites; quality control; spermidine; transcription (genetics); transcriptome; transcriptomics
- Abstract:
- ... BACKGROUND: Elimination of malaria depends on mastering transmission and understanding the biological basis of Plasmodium infection in the vector. The first mosquito organ to interact with the parasite is the midgut and its transcriptomic characterization during infection can reveal effective antiplasmodial responses able to limit the survival of the parasite. The vector response to Plasmodium viv ...
- DOI:
- 10.1186/s13071-019-3506-8
- PubMed:
- 31126324
- PubMed Central:
- PMC6534896
- https://doi.org/10.1186/s13071-019-3506-8
- Author:
- Philippa King; Kevin M. Tyler; Paul R. Hunter
- Source:
- Parasites & vectors 2019 v.12 no.1 pp. 16
- ISSN:
- 1756-3305
- Subject:
- Cryptosporidium hominis; Cryptosporidium parvum; children; cryptosporidiosis; drinking water; emerging diseases; geographical distribution; gross domestic product; human health; humans; meta-analysis; mortality; regression analysis; sanitation; systematic review; virulence
- Abstract:
- ... BACKGROUND: Globally cryptosporidiosis is one of the commonest causes of mortality in children under 24 months old and may be associated with important longterm health effects. Whilst most strains of Cryptosporidium parvum are zoonotic, C. parvum IIc is almost certainly anthroponotic. The global distribution of this potentially important emerging infection is not clear. METHODS: We conducted a sys ...
- DOI:
- 10.1186/s13071-018-3263-0
- PubMed:
- 30621759
- PubMed Central:
- PMC6323761
- https://doi.org/10.1186/s13071-018-3263-0
- Author:
- Jian Peng; Zhaoying Wu; Weiwei Liu; Huiling Long; Guiming Zhu; Guo Guo; Jianwei Wu
- Source:
- Parasites & vectors 2019 v.12 no.1 pp. 537
- ISSN:
- 1756-3305
- Subject:
- Acinetobacter baumannii; Gram-negative bacteria; Musca domestica; amino acid sequences; amino acids; antibacterial properties; cecropins; cell membranes; complementary DNA; computer software; messenger RNA; minimum inhibitory concentration; multigene family; pathogens; phylogeny; sequence analysis
- Abstract:
- ... BACKGROUND: It has been reported that there are more than ten antimicrobial peptides (AMPs) belonging to the cecropin family in Musca domestica; however, few of them have been identified, and the functions of the other molecules are poorly understood. METHODS: Sequences of the M. domestica cecropin family of genes were cloned from cDNA template, which was reverse-transcribed from total mRNA isolat ...
- DOI:
- 10.1186/s13071-019-3793-0
- PubMed:
- 31727142
- PubMed Central:
- PMC6857134
- https://doi.org/10.1186/s13071-019-3793-0
- Author:
- David Romero; Jesús Olivero; Raimundo Real; José Carlos Guerrero
- Source:
- Parasites & vectors 2019 v.12 no.1 pp. 428
- ISSN:
- 1756-3305
- Subject:
- Aedes aegypti; Aedes albopictus; decision making; dengue; disease control; environmental factors; fuzzy logic; geographical distribution; insect vectors; public health; risk; vector-borne diseases; viruses; South America
- Abstract:
- ... BACKGROUND: Over the last decade, reports about dengue cases have increase worldwide, which is particularly worrisome in South America due to the historic record of dengue outbreaks from the seventeenth century until the first half of the twentieth century. Dengue is a viral disease that involves insect vectors, namely Aedes aegypti and Ae. albopictus, which implies that, to prevent and combat out ...
- DOI:
- 10.1186/s13071-019-3691-5
- PubMed:
- 31488198
- PubMed Central:
- PMC6727500
- https://doi.org/10.1186/s13071-019-3691-5
- Author:
- Guangxu Ma; Aiyun Jiang; Yongfang Luo; Yongli Luo; Hancheng Huang; Rongqiong Zhou
- Source:
- Parasites & vectors 2019 v.12 no.1 pp. 243
- ISSN:
- 1756-3305
- Subject:
- RNA interference; Toxocara canis; adults; albendazole; aquaporins; cell membranes; drugs; epithelium; females; fluorescent antibody technique; gene expression; gene targeting; hydrophilicity; immunohistochemistry; intestines; males; messenger RNA; nematicidal properties; nutrient uptake; osmoregulation; parasites; polyclonal antibodies; quantitative polymerase chain reaction; reproduction; reverse transcriptase polymerase chain reaction; solutes; tissue distribution
- Abstract:
- ... BACKGROUND: Aquaporins (AQPs) are a family of integral membrane channel proteins that facilitate the transport of water and other small solutes across cell membranes. AQPs appear to play crucial roles in parasite survival and represent possible drug targets for novel intervention strategy. In this work, we investigated the tissue distribution and biological roles of an aquaporin TcAQP1 in the negl ...
- DOI:
- 10.1186/s13071-019-3500-1
- PubMed:
- 31101125
- PubMed Central:
- PMC6525457
- https://doi.org/10.1186/s13071-019-3500-1
- Author:
- Samoa Asigau; Sawsan Salah; Patricia G. Parker
- Source:
- Parasites & vectors 2019 v.12 no.1 pp. 584
- ISSN:
- 1756-3305
- Subject:
- Aedes taeniorhynchus; CDC light traps; Culex quinquefasciatus; avian malaria; blood meal; cytochrome b; disease resistance; disease transmission; fauna; females; genes; hematophagy; host preferences; hosts; human population; humans; indigenous species; insect vectors; islands; mitochondria; mitochondrial genome; pathogens; polymerase chain reaction; summer; surveys; wildlife
- Abstract:
- ... BACKGROUND: Blood meal host selection by mosquito vectors is an important component in understanding disease dynamics of pathogens that threaten endemic fauna in isolated islands such as Galápagos. Research on the feeding behavior of mosquitoes can provide clues to the hosts and vectors involved in disease transmission. This information is particularly critical for endemic wildlife fauna in island ...
- DOI:
- 10.1186/s13071-019-3835-7
- PubMed:
- 31842984
- PubMed Central:
- PMC6915994
- https://doi.org/10.1186/s13071-019-3835-7
16. Assessment of histological liver alterations in dogs naturally infected with Leishmania infantum
- Author:
- Isadora S. Lima; Manuela S. Solcá; Wagner L. Tafuri; Luiz A. R. de Freitas; Washington L. C. dos-Santos
- Source:
- Parasites & vectors 2019 v.12 no.1 pp. 487
- ISSN:
- 1756-3305
- Subject:
- Leishmania infantum; animal diseases; cell aggregates; dogs; enzyme-linked immunosorbent assay; granuloma; histology; hypertrophy; inflammation; liver; parasite load; parasites; parasitism; quantitative polymerase chain reaction; spleen; visceral leishmaniasis; Brazil
- Abstract:
- ... BACKGROUND: The liver plays a central role in the development of canine visceral leishmaniasis. Studies of natural infection in animals and humans indicate a direct relationship between resolution of infection and the formation and maturation of granulomas in the liver. However, in contrast to other reports in the literature, the present study found no differences in the characteristics of hepatic ...
- DOI:
- 10.1186/s13071-019-3723-1
- PubMed:
- 31619264
- PubMed Central:
- PMC6796381
- https://doi.org/10.1186/s13071-019-3723-1
- Author:
- Ole Lagatie; Elodie Granjon; Maurice R. Odiere; Maan Zrein; Lieven J. Stuyver
- Source:
- Parasites & vectors 2019 v.12 no.1 pp. 570
- ISSN:
- 1756-3305
- Subject:
- Onchocerca volvulus; biomarkers; cross reaction; enzyme-linked immunosorbent assay; epitopes; helminths; immunoglobulin G; onchocerciasis; peptides; school children; serodiagnosis; serology; tropics; Kenya
- Abstract:
- ... BACKGROUND: Currently, serodiagnosis of infection with the helminth parasite Onchocerca volvulus is limited to the Ov-16 IgG4 test, a test that has limited sensitivity and suboptimal specificity. In previous studies, we identified several linear epitopes that have the potential to supplement the diagnostic toolbox for onchocerciasis. METHODS: In this study three peptides, bearing in total six line ...
- DOI:
- 10.1186/s13071-019-3824-x
- PubMed:
- 31783767
- PubMed Central:
- PMC6884800
- https://doi.org/10.1186/s13071-019-3824-x
- Author:
- Pelagie M. Boko-Collins; Aurore Ogouyemi-Hounto; Elvire G. Adjinacou-Badou; Laurinda Gbaguidi-Saizonou; Nissou Ines Dossa; Aboudou Dare; Moudachirou Ibikounle; Kathryn L. Zoerhoff; Daniel A. Cohn; Wilfrid Batcho
- Source:
- Parasites & vectors 2019 v.12 no.1 pp. 276
- ISSN:
- 1756-3305
- Subject:
- Bancroftian filariasis; Wuchereria bancrofti; albendazole; antigens; blood; children; computer software; developing countries; drugs; humans; ivermectin; public health; risk; schools; surveys; Benin
- Abstract:
- ... BACKGROUND: Lymphatic filariasis (LF) is still a public health burden in many developing countries. In Benin, a West African country, at least 6.6 million people are at risk for LF. With the goal of eliminating LF by 2020, mass drug administration (MDA) has been scaled-up during the last decade. Currently, 23 districts are believed to have eliminated LF as a public health problem, and 25 other dis ...
- DOI:
- 10.1186/s13071-019-3525-5
- PubMed:
- 31146779
- PubMed Central:
- PMC6543600
- https://doi.org/10.1186/s13071-019-3525-5
- Author:
- Forest M. Altherr; Andrew W. Nute; Mulat Zerihun; Eshetu Sata; Aisha E. P. Stewart; Demelash Gessese; Berhanu Melak; Tigist Astale; Gedefaw Ayenew; E. Kelly Callahan; Melsew Chanyalew; Bizuayehu Gashaw; Lance A. Waller; Zerihun Tadesse; Scott D. Nash
- Source:
- Parasites & vectors 2019 v.12 no.1 pp. 540
- ISSN:
- 1756-3305
- Subject:
- antibiotics; blindness; children; endemic diseases; geographic information systems; households; hygiene; indigenous species; nose; public health; regression analysis; sanitation; signs and symptoms (animals and humans); standard deviation; surgery; surveys; villages; Ethiopia
- Abstract:
- ... BACKGROUND: Trachoma is the leading infectious cause of blindness globally. The WHO has recommended the SAFE (Surgery, Antibiotics, Facial cleanliness and Environmental improvements) strategy to eliminate trachoma as a public health problem. The F and E arms of the strategy will likely be important for sustained disease reductions, yet more evidence is needed detailing relationships between hygien ...
- DOI:
- 10.1186/s13071-019-3790-3
- PubMed:
- 31727155
- PubMed Central:
- PMC6857222
- https://doi.org/10.1186/s13071-019-3790-3
- Author:
- Anna N. Chard; Kelly K. Baker; Kevin Tsai; Karen Levy; Jeticia R. Sistrunk; Howard H. Chang; Matthew C. Freeman
- Source:
- Parasites & vectors 2019 v.12 no.1 pp. 216
- ISSN:
- 1756-3305
- Subject:
- Protozoa; adults; bacteria; bacterial infections; children; confidence interval; cross-sectional studies; demographic statistics; drug therapy; experimental design; feces; helminthiasis; helminths; humans; hygiene; immunomodulators; mixed infection; odds ratio; pathogens; protozoal infections; quantitative polymerase chain reaction; regression analysis; reverse transcriptase polymerase chain reaction; sanitation; viruses; Laos
- Abstract:
- ... BACKGROUND: Humans are susceptible to over 1400 pathogens. Co-infection by multiple pathogens is common, and can result in a range of neutral, facilitative, or antagonistic interactions within the host. Soil-transmitted helminths (STH) are powerful immunomodulators, but evidence of the effect of STH infection on the direction and magnitude of concurrent enteric microparasite infections is mixed. M ...
- DOI:
- 10.1186/s13071-019-3471-2
- PubMed:
- 31064387
- PubMed Central:
- PMC6505259
- https://doi.org/10.1186/s13071-019-3471-2