A historical snapshot of Ixodes scapularis-borne pathogens in New Jersey ticks reflects a changing disease landscape

Publication date: Available online 15 December 2017 Source:Ticks and Tick-borne Diseases Author(s): Andrea Egizi, Vivien Roegner, Ary Faraji, Sean P. Healy, Terry L. Schulze, Robert A. Jordan Historical specimens, when available, can provide new insight into the distribution and evolution of pathogens that may not be discernible from more recent samples. We used ticks collected from hunter-killed white-tailed deer in New Jersey in 2002 to examine the prevalence and distribution of four pathogens transmitted by Ixodes scapularis, the blacklegged tick. Infection with Borrelia burgdorferi sensu stricto, Babesia microti, and Anaplasma phagocytophilum (the agents of Lyme disease, human babesiosis, and human granulocytic anaplasmosis, respectively) was highest in the Coastal Plain and lowest in the northwestern Skylands region.These patterns correspond well with the historically observed northward expansion of I. scapularis within New Jersey and the comparatively recent increase in human cases of these pathogens in the northern part of the state. Additionally, we provide evidence that Borrelia miyamotoi, a relatively new emerging pathogen and agent of relapsing fever, was widespread (though not common) throughout the state in 2002. Our findings highlight the need for enhanced awareness of tick-borne diseases other than Lyme and implementation of large-scale tick surveillance in endemic regions.
Source: Ticks and Tick borne Diseases - Category: Zoology Source Type: research

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In this study, we investigated the underlying mechanisms and disentangled the interactions of geography and ecology in speciation and evolution in Pinus armandii, an important forest tree species endemic to China, by integrating analyses of population transcriptomics, population genetics and ecological niche modeling. Many lines of evidence suggest that cryptic speciation has occurred in P. armandii. During the process, geologically induced formation of Mount Gongga and other massive peaks might trigger the initial vicariance isolation of the northern and southern subdivisions, and ecologically based selection then reinfor...
Source: Molecular Phylogenetics and Evolution - Category: Molecular Biology Source Type: research
The objective of this study was to determine the epidemiological characteristics of leptospirosis in pets and in humans in peridomestic settings in Nicaragua between 2014 and 2016. Methods: The samples were taken in areas where cases were confirmed in humans using non-probabilistic sampling in 10 of the country's 17 departments. This included 112 urine samples from pets, 129 water samples, and 69 soil samples in order to isolate leptospires in Ellinghausen-McCullough-Johnson-Harris (EMJH) medium. Furthermore, the microscopic agglutination test (MAT) was applied to 263 samples of animal serum, and 88 isolates were analy...
Source: Pan American Journal of Public Health - Category: International Medicine & Public Health Tags: Rev Panam Salud Publica Source Type: research
Conclusion: Sexually-active adults in the United States, especially young men, lack awareness of sexual and vertical transmission of Zika Virus. Given the likely endemic nature of Zika, this low-risk perception is an important prevention challenge. Zika prevention messaging should address lesser known transmission routes, emphasize male education, and promote correct and consistent condom use. PMID: 31093071 [PubMed]
Source: Pan American Journal of Public Health - Category: International Medicine & Public Health Tags: Rev Panam Salud Publica Source Type: research
Correction for Gaby et al., "Diazotroph Community Characterization via a High-Throughput nifH Amplicon Sequencing and Analysis Pipeline". Appl Environ Microbiol. 2019 Jun 01;85(11): Authors: Gaby JC, Rishishwar L, Valderrama-Aguirre LC, Green SJ, Valderrama-Aguirre A, Jordan IK, Kostka JE PMID: 31097421 [PubMed - in process]
Source: Applied and Environmental Microbiology - Category: Microbiology Authors: Tags: Appl Environ Microbiol Source Type: research
Authors: Figoni J, Chirouze C, Hansmann Y, Lemogne C, Hentgen V, Saunier A, Bouiller K, Gehanno JF, Rabaud C, Perrot S, Caumes E, Eldin C, de Broucker T, Jaulhac B, Roblot F, Toubiana J, Sellal F, Vuillemet F, Sordet C, Fantin B, Lina G, Gocko X, Dieudonné M, Bodaghi B, Gangneux JP, Degeilh B, Partouche H, Lenormand C, Sotto A, Raffetin A, Monsuez JJ, Michel C, Boulanger N, Cathebras P, Tattevin P, endorsed by scientific societies Abstract Lyme borreliosis is transmitted en France by the tick Ixodes ricinus, endemic in metropolitan France. In the absence of vaccine licensed for use in humans, primary prevent...
Source: Medecine et Maladies Infectieuses - Category: Infectious Diseases Tags: Med Mal Infect Source Type: research
Publication date: Available online 16 April 2019Source: Ticks and Tick-borne DiseasesAuthor(s): Karla Dayane Gruhn, Maria Ogrzewalska, Tatiana Rozental, Itacir Olivio Farikoski, Carolina Blanco, Lucas de Souza Freitas, Elba Regina Sampaio de Lemos, Vânia Maria França RibeiroAbstractCapybaras (Hydrochoerus hydrochaeris Linnaeus, 1766) (Rodentia: Caviidae) are important hosts of Amblyomma ticks (Acari: Ixodidae), which in turn can transmit rickettsiae to humans and animals. However, there is a scarcity of studies about the tick fauna and rickettsial infection in the Amazon region. The present study evaluated ric...
Source: Ticks and Tick borne Diseases - Category: Zoology Source Type: research
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Source: Drugs.com - Pharma News - Category: Pharmaceuticals Source Type: news
In recent years there have been"unprecedented increases" in reports of nationally notifiable tickborne diseases, according to researchers at the Centers for Disease Control and Prevention (CDC) in Atlanta.Reuters Health Information
Source: Medscape Medical News Headlines - Category: Consumer Health News Tags: Medscape Today News Source Type: news
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Source: New Zealand Medical Journal - Category: General Medicine Tags: N Z Med J Source Type: research
Publication date: Available online 5 August 2015 Source:Ticks and Tick-borne Diseases Author(s): Marten J. Edwards, Laura A. Barbalato, Amulya Makkapati, Katerina D. Pham, Louise M. Bugbee Several human pathogens are transmitted by the blacklegged tick, Ixodes scapularis. These include the spirochetes that cause Lyme disease (Borrelia burgdorferi) which is endemic to the Lehigh Valley region of eastern Pennsylvania. Emerging and currently rare tick-borne diseases have been of increasing concern in this region, including tick-borne relapsing fever (caused by Borrelia miyamotoi), human granulocytic anaplasmosis (cause...
Source: Ticks and Tick borne Diseases - Category: Zoology Source Type: research
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