Trombiculiasis: an underreported ectoparasitosis in Sicily.

We report a typical case of trombiculosis induced by trombiculid larvae of N. autumnalis, which are habitual parasites of various endo- and ectothermic vertebrates. PMID: 29525801 [PubMed - in process]
Source: Infezioni in Medicina - Category: Infectious Diseases Tags: Infez Med Source Type: research

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In this study, we applied complementary in silico approaches to modeling how Anaplasma phagocytophilum infection modulates tick vector regulome. This proof-of-concept research provided support for the use of network analysis in the study of regulome response to infection, resulting in new information on tick-pathogen interactions and potential targets for developing interventions for the control of tick infestations and pathogen transmission. Deciphering the precise nature of circuits that shape the tick regulome in response to pathogen infection is an area of research that in the future will advance our knowledge of tick-...
Source: Frontiers in Physiology - Category: Physiology Source Type: research
Authors: Boulanger N, Boyer P, Talagrand-Reboul E, Hansmann Y Abstract Ticks are a major group of arthropod vectors, characterized by the diversity of pathogens they transmit, by their impact on human and animal health, and by their socioeconomic implication especially in countries of the Southern Hemisphere. In Europe, Ixodes is the most important tick due to its wide distribution in the ecosystems and the variety of transmitted pathogens, in particular Borrelia (responsible for Lyme borreliosis), but also the tick-borne encephalitis virus. Their increased presence in the environment since the beginning of the 20t...
Source: Medecine et Maladies Infectieuses - Category: Infectious Diseases Tags: Med Mal Infect Source Type: research
Publication date: Available online 6 February 2019Source: International Journal for Parasitology: Parasites and WildlifeAuthor(s): Natalia M. Pukhovskaya, Olga V. Morozova, Nelya P. Vysochina, Nadejda B. Belozerova, Leonid I. IvanovAbstractBorrelia burgdorferi sensu lato (s.l.) DNA was detected by PCR in Ixodes persulcatus Schulze, 1930, Haemaphysalis concinna Koch, 1844, Haemaphysalis japonica douglasi Nuttall et Warburton, 1915 and Dermacentor silvarum Olenev, 1932 ticks collected in the Amur region, the Jewish Autonomous region, the Sakhalin region and on the Khabarovsk territory. Infection rate of I. persulcatus with B...
Source: International Journal for Parasitology: Parasites and Wildlife - Category: Parasitology Source Type: research
Publication date: Available online 30 January 2019Source: Veterinary ParasitologyAuthor(s): David W. Ramilo, Carla Monteiro, Marrion Carreira, Isabel Pereira da Fonseca, Luís CardosoAbstractTrombiculids parasitize a wide variety of terrestrial vertebrates, including domestic animals, throughout the world. They are parasites only during their larval stages, causing several dermatological lesions on their hosts, such as acute dermatitis, erythema, excoriation, erosion, papules, crusts and alopecia on the ear margins, face, interdigital spaces and abdomen. Neotrombicula is one of the several genera in Trombiculidae fam...
Source: Veterinary Parasitology - Category: Veterinary Research Source Type: research
Vector-borne pathogens are emerging concerns in multiple regions of Canada. Determining regional prevalence of canine vector-borne pathogens and documenting change will improve clinician awareness, enable targ...
Source: Parasites and Vectors - Category: Microbiology Authors: Tags: Research Source Type: research
Borrelia burgdorferi (sensu lato) is a complex containing pathogenic bacteria of which some species, such as Borrelia lusitaniae, use birds, small mammals and reptiles as reservoirs. In Italy, the bacteria have b...
Source: Parasites and Vectors - Category: Microbiology Authors: Tags: Research Source Type: research
In this study, the prevalence of antibodies against two Babesia spp. was investigated in a cohort of patients that were seropositive for Borrelia (B.) burgdorferi sensu lato (s.l.). Data were compared to a control group of healthy individuals. Sera were collected from 283 individuals residing in the southernmost region of Sweden, Skåne County. Almost one third of the sera were from patients with a confirmed seropositive reaction against B. burgdorferi s.l. All sera samples were assessed for IgG antibodies against Babesia (Ba.) microti and Ba. divergens by indirect fluorescent antibody (IFA) assays. Seropositive IgG t...
Source: Ticks and Tick borne Diseases - Category: Zoology Source Type: research
Abstract The incidence of babesiosis, Lyme disease and other tick-borne diseases has increased steadily in Europe and North America during the last five decades. Babesia microti is transmitted by species of Ixodes, the same ticks that transmit the Lyme disease-causing spirochete, Borrelia burgdorferi. B. microti can also be transmitted through transfusion of blood products and is the most common transfusion-transmitted infection in the U.S.A. Ixodes ticks are commonly infected with both B. microti and B. burgdorferi, and are competent vectors for transmitting them together into hosts. Few studies have examined the...
Source: International Journal for Parasitology - Category: Parasitology Authors: Tags: Int J Parasitol Source Type: research
The impact of a pathogen on the fitness and behaviour of its natural host depends upon the host–parasite relationship in a given set of environmental conditions. Here, we experimentally investigated the effects of Borrelia afzelii, one of the aetiological agents of Lyme disease in humans, on the fitness of its natural rodent host, the bank vole (Myodes glareolus), in semi-natural conditions with two contrasting host population densities. Our results show that B. afzelii can modify the reproductive success and spacing behaviour of its rodent host, whereas host survival was not affected. Infection impaired the breeding...
Source: Proceedings of the Royal Society B: Biological Sciences - Category: Biology Authors: Tags: ecology, evolution, health and disease and epidemiology Source Type: research
Answer:Borreliaspp., relapsing fever group. Molecular studies are needed to definitively identify the causative agent. However, knowing the exposure history of the patient also helps narrow the differential. In this case, we later found out that the patient is from the northwestern part of North America, and therefore this is most likelyBorrelia hermsii,one of the tick-borne relapsing feverBorreliaspecies.The other tick-borneBorreliain North America areB. parkeriiandB. turicatae.These species are transmitted through the bite of a soft-bodied tick in the genusOrnithodoros,and are usually associated with exposure to'rustic's...
Source: Creepy Dreadful Wonderful Parasites - Category: Parasitology Source Type: blogs
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