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Advances in Parasitology

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https://www.readbyqxmd.com/read/28942772/hook-line-and-infection-a-guide-to-culturing-parasites-establishing-infections-and-assessing-immune-responses-in-the-three-spined-stickleback
#1
Alexander Stewart, Joseph Jackson, Iain Barber, Christophe Eizaguirre, Rachel Paterson, Pieter van West, Chris Williams, Joanne Cable
The three-spined stickleback (Gasterosteus aculeatus) is a model organism with an extremely well-characterized ecology, evolutionary history, behavioural repertoire and parasitology that is coupled with published genomic data. These small temperate zone fish therefore provide an ideal experimental system to study common diseases of coldwater fish, including those of aquacultural importance. However, detailed information on the culture of stickleback parasites, the establishment and maintenance of infections and the quantification of host responses is scattered between primary and grey literature resources, some of which is not readily accessible...
2017: Advances in Parasitology
https://www.readbyqxmd.com/read/28942771/trypanosoma-congolense-molecular-toolkit-and-resources-for-studying-a-major-livestock-pathogen-and-model-trypanosome
#2
Wendy Gibson, Christopher Kay, Lori Peacock
The African trypanosomiases are diseases of humans and their livestock caused by trypanosomes carried by bloodsucking tsetse flies. Although the human pathogen Trypanosoma brucei is the best known, other trypanosome species are of greater concern for animal health in sub-Saharan Africa. In particular, Trypanosomacongolense is a major cattle pathogen, which is as amenable to laboratory culture as T. brucei, with the advantage that its whole life cycle can be recapitulated in vitro. Thus, besides being worthy of study in its own right, T...
2017: Advances in Parasitology
https://www.readbyqxmd.com/read/28942770/the-battle-against-flystrike-past-research-and-new-prospects-through-genomics
#3
Clare A Anstead, Trent Perry, Stephen Richards, Pasi K Korhonen, Neil D Young, Vernon M Bowles, Philip Batterham, Robin B Gasser
Flystrike, or cutaneous myiasis, is caused by blow fly larvae of the genus Lucilia. This disease is a major problem in countries with large sheep populations. In Australia, Lucilia cuprina (Wiedemann, 1830) is the principal fly involved in flystrike. While much research has been conducted on L. cuprina, including physical, chemical, immunological, genetic and biological investigations, the molecular biology of this fly is still poorly understood. The recent sequencing, assembly and annotation of the draft genome and analyses of selected transcriptomes of L...
2017: Advances in Parasitology
https://www.readbyqxmd.com/read/28942769/life-history-systematics-and-evolution-of-the-diplostomoidea-poirier-1886-progress-promises-and-challenges-emerging-from-molecular-studies
#4
Isabel Blasco-Costa, Sean A Locke
Members of the Diplostomoidea mature in amniotes and employ vertebrates, annelids and molluscs as second intermediate hosts. Diplostomoid life cycles generally follow a three-host pattern typical of digeneans, but novelties have arisen in some species, including obligate four-host life cycles, vertical transmission, and intracellular parasitism. In this review, we summarize the basic biology of diplostomoids with reference to molecular studies, and present challenges, gaps and areas where molecular data could address long-standing questions...
2017: Advances in Parasitology
https://www.readbyqxmd.com/read/28942768/advances-in-spermatological-characters-in-the-digenea-review-and-proposal-of-spermatozoa-models-and-their-phylogenetic-importance
#5
Abdoulaye J S Bakhoum, Jordi Miquel, Papa I Ndiaye, Jean-Lou Justine, Alessandra Falchi, Cheikh T Bâ, Bernard Marchand, Yann Quilichini
The wide biodiversity and economic importance of digeneans have motivated a great deal of research in the last decade, focussing on their phylogenetic positions. Molecular research was instrumental for our understanding of phylogeny in the Digenea, but spermatological studies have also provided many results, which are potentially useful for phylogeny; however, the complete spermatological data set has never been reviewed in a whole phylogenetic perspective. Spermatological data are now available for more than 100 species, belonging to 15 superfamilies and 46 families...
2017: Advances in Parasitology
https://www.readbyqxmd.com/read/28942767/measuring-the-effect-of-soil-transmitted-helminth-infections-on-cognitive-function-in-children-systematic-review-and-critical-appraisal-of-evidence
#6
Kei Owada, Mark Nielsen, Colleen L Lau, Archie C A Clements, Laith Yakob, Ricardo J Soares Magalhães
Recently the role of soil-transmitted helminth (STH) infections in children's cognitive developmental impairment has been under scrutiny. We conducted a systematic review of the evidence for associations between STH infections and cognitive function of children using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses protocol. We aimed to identify the domains of cognitive function in three age strata (<24months, 24-59months and ≥60months) and critically appraise the general design protocol of the studies, with a focus on the cognitive function measurement tools used...
2017: Advances in Parasitology
https://www.readbyqxmd.com/read/28325373/host-parasite-relationships-and-life-histories-of-trypanosomes-in-australia
#7
REVIEW
C Cooper, P L Clode, C Peacock, R C A Thompson
Trypanosomes constitute a group of flagellate protozoan parasites responsible for a number of important, yet neglected, diseases in both humans and livestock. The most significantly studied include the causative agents of African sleeping sickness (Trypanosoma brucei) and Chagas disease (Trypanosoma cruzi) in humans. Much of our knowledge about trypanosome host-parasite relationships and life histories has come from these two human pathogens. Recent investigations into the diversity and life histories of wildlife trypanosomes in Australia highlight that there exists a great degree of biological and behavioural variation within and between trypanosomes...
2017: Advances in Parasitology
https://www.readbyqxmd.com/read/28325372/is-predominant-clonal-evolution-a-common-evolutionary-adaptation-to-parasitism-in-pathogenic-parasitic-protozoa-fungi-bacteria-and-viruses
#8
REVIEW
M Tibayrenc, F J Ayala
We propose that predominant clonal evolution (PCE) in microbial pathogens be defined as restrained recombination on an evolutionary scale, with genetic exchange scarce enough to not break the prevalent pattern of clonal population structure. The main features of PCE are (1) strong linkage disequilibrium, (2) the widespread occurrence of stable genetic clusters blurred by occasional bouts of genetic exchange ('near-clades'), (3) the existence of a "clonality threshold", beyond which recombination is efficiently countered by PCE, and near-clades irreversibly diverge...
2017: Advances in Parasitology
https://www.readbyqxmd.com/read/28325371/the-role-of-spatial-statistics-in-the-control-and-elimination-of-neglected-tropical-diseases-in-sub-saharan-africa-a-focus-on-human-african-trypanosomiasis-schistosomiasis-and-lymphatic-filariasis
#9
REVIEW
M C Stanton
Disease control and elimination programmes can benefit greatly from accurate information on the spatial variability of disease risk, particularly when risk is highly spatially heterogeneous. Due to advances in statistical methodology, coupled with the increased availability of geospatial technology, this information is becoming increasingly accessible. In this chapter we describe recent advancements in spatial methods associated with the analysis of disease data measured at the point-level and demonstrate their application to the control and elimination of neglected tropical diseases (NTDs)...
2017: Advances in Parasitology
https://www.readbyqxmd.com/read/28325370/targeting-the-parasite-to-suppress-malaria-transmission
#10
REVIEW
R E Sinden
This article attempts to draw together current knowledge on the biology of Plasmodium and experience gained from past control campaigns to interpret and guide current efforts to discover and develop exciting new strategies targeting the parasite with the objective of interrupting transmission. Particular note is made of the advantages of targeting often unappreciated small, yet vital, bottleneck populations to enhance both the impact and the useful lifetime of hard-won interventions. A case is made for the standardization of methods to measure transmission blockade to permit the rational comparison of how diverse interventions (drugs, vaccines, insecticides, Genetically Modified technologies) targeting disparate aspects of parasite biology may impact upon the commonly used parameter of parasite prevalence in the human population...
2017: Advances in Parasitology
https://www.readbyqxmd.com/read/28325369/the-compatibility-between-biomphalaria-glabrata-snails-and-schistosoma-mansoni-an-increasingly-complex-puzzle
#11
REVIEW
G Mitta, B Gourbal, C Grunau, M Knight, J M Bridger, A Théron
This review reexamines the results obtained in recent decades regarding the compatibility polymorphism between the snail, Biomphalaria glabrata, and the pathogen, Schistosoma mansoni, which is one of the agents responsible for human schistosomiasis. Some results point to the snail's resistance as explaining the incompatibility, while others support a "matching hypothesis" between the snail's immune receptors and the schistosome's antigens. We propose here that the two hypotheses are not exclusive, and that the compatible/incompatible status of a particular host/parasite couple probably reflects the balance of multiple molecular determinants that support one hypothesis or the other...
2017: Advances in Parasitology
https://www.readbyqxmd.com/read/28325368/chagas-disease-diagnostic-applications-present-knowledge-and-future-steps
#12
REVIEW
V Balouz, F Agüero, C A Buscaglia
Chagas disease, caused by the protozoan Trypanosoma cruzi, is a lifelong and debilitating illness of major significance throughout Latin America and an emergent threat to global public health. Being a neglected disease, the vast majority of Chagasic patients have limited access to proper diagnosis and treatment, and there is only a marginal investment into R&D for drug and vaccine development. In this context, identification of novel biomarkers able to transcend the current limits of diagnostic methods surfaces as a main priority in Chagas disease applied research...
2017: Advances in Parasitology
https://www.readbyqxmd.com/read/28212792/preface
#13
EDITORIAL
Andrew Thompson, Peter Deplazes, Alan Lymbery
No abstract text is available yet for this article.
2017: Advances in Parasitology
https://www.readbyqxmd.com/read/28212791/echinococcosis-control-and-prevention
#14
P S Craig, D Hegglin, M W Lightowlers, P R Torgerson, Q Wang
Human cystic echinococcosis (CE) has been eliminated or significantly reduced as a public health problem in several previously highly endemic regions. This has been achieved by the long-term application of prevention and control measures primarily targeted to deworming dogs, health education, meat inspection, and effective surveillance in livestock and human populations. Human CE, however, remains a serious neglected zoonotic disease in many resource-poor pastoral regions. The incidence of human alveolar echinococcosis (AE) has increased in continental Europe and is a major public health problem in parts of Eurasia...
2017: Advances in Parasitology
https://www.readbyqxmd.com/read/28212790/the-echinococcoses-diagnosis-clinical-management-and-burden-of-disease
#15
P Kern, A Menezes da Silva, O Akhan, B Müllhaupt, K A Vizcaychipi, C Budke, D A Vuitton
The echinococcoses are chronic, parasitic diseases that are acquired after ingestion of infective taeniid tapeworm eggs from certain species of the genus Echinococcus. Cystic echinococcosis (CE) occurs worldwide, whereas, alveolar echinococcosis (AE) is restricted to the northern hemisphere, and neotropical echinococcosis (NE) has only been identified in Central and South America. Clinical manifestations and disease courses vary profoundly for the different species of Echinococcus. CE presents as small to large cysts, and has commonly been referred to as 'hydatid disease', or 'hydatidosis'...
2017: Advances in Parasitology
https://www.readbyqxmd.com/read/28212789/laboratory-diagnosis-of-echinococcus-spp-in-human-patients-and-infected-animals
#16
M Siles-Lucas, A Casulli, F J Conraths, N Müller
Among the species composing the genus Echinococcus, four species are of human clinical interest. The most prevalent species are Echinococcus granulosus and Echinococcus multilocularis, followed by Echinococcus vogeli and Echinococcus oligarthrus. The first two species cause cystic echinococcosis (CE) and alveolar echinococcosis (AE) respectively. Both diseases have a complex clinical management, in which laboratory diagnosis could be an adjunctive to the imaging techniques. To date, several approaches have been described for the laboratory diagnosis and followup of CE and AE, including antibody, antigen and cytokine detection...
2017: Advances in Parasitology
https://www.readbyqxmd.com/read/28212788/immunology-of-alveolar-and%C3%A2-cystic-echinococcosis-ae-and-ce
#17
B Gottstein, P Soboslay, E Ortona, J Wang, A Siracusano, D Α Vuitton
Cystic and alveolar echinococcosis are severe chronic helminthic diseases caused by the cystic growth or the intrahepatic tumour-like growth of the metacestode of Echinococcus granulosus or Echinococcus multilocularis, respectively. Both parasites have evolved sophisticated strategies to escape host immune responses, mainly by manipulating and directing this immune response towards anergy and/or tolerance. Recent research studies have revealed a number of respective immunoregulatory mechanisms related to macrophages and dendritic cell as well as T cell activities (regulatory T cells, Tregs)...
2017: Advances in Parasitology
https://www.readbyqxmd.com/read/28131367/preface
#18
EDITORIAL
Andrew Thompson, Peter Deplazes, Alan Lymbery
No abstract text is available yet for this article.
2017: Advances in Parasitology
https://www.readbyqxmd.com/read/28131366/biology-and-systematics-of-echinococcus
#19
REVIEW
R C A Thompson
The biology of Echinococcus, the causative agent of echinococcosis (hydatid disease) is reviewed with emphasis on the developmental biology of the adult and metacestode stages of the parasite. Major advances include determining the origin, structure and functional activities of the laminated layer and its relationship with the germinal layer; and the isolation, in vitro establishment and characterization of the multipotential germinal cells. Future challenges are to identify the mechanisms that provide Echinococcus with its unique developmental plasticity and the nature of activities at the parasite-host interface, particularly in the definitive host...
2017: Advances in Parasitology
https://www.readbyqxmd.com/read/28131365/global-distribution-of-alveolar-and-cystic-echinococcosis
#20
REVIEW
P Deplazes, L Rinaldi, C A Alvarez Rojas, P R Torgerson, M F Harandi, T Romig, D Antolova, J M Schurer, S Lahmar, G Cringoli, J Magambo, R C A Thompson, E J Jenkins
Alveolar echinococcosis (AE) and cystic echinococcosis (CE) are severe helminthic zoonoses. Echinococcus multilocularis (causative agent of AE) is widely distributed in the northern hemisphere where it is typically maintained in a wild animal cycle including canids as definitive hosts and rodents as intermediate hosts. The species Echinococcus granulosus, Echinococcus ortleppi, Echinococcus canadensis and Echinococcus intermedius are the causative agents of CE with a worldwide distribution and a highly variable human disease burden in the different endemic areas depending upon human behavioural risk factors, the diversity and ecology of animal host assemblages and the genetic diversity within Echinococcus species which differ in their zoonotic potential and pathogenicity...
2017: Advances in Parasitology
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