Discovery of filarial nematode DNA in Amblyomma americanum in Northern Virginia

Ticks collected in 2011 were screened for the presence of filarial nematode genetic material, and positive samples were sequenced for analysis. Monanema-like filarial nematode DNA was recently discovered in Amblyomma americanum in northern Virginia, marking the first time genetic material from this...

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Bibliographic Details
Published inTicks and tick-borne diseases Vol. 7; no. 2; pp. 315 - 318
Main Authors Henning, Tyler C, Orr, John M, Smith, Joshua D, Arias, Jorge R, Rasgon, Jason L, Norris, Douglas E
Format Journal Article
LanguageEnglish
Published Netherlands 01.03.2016
Subjects
Animals
Arachnid Vectors - classification
Arachnid Vectors - parasitology
DNA, Helminth - analysis
Female
Filariasis - epidemiology
Filariasis - parasitology
Filarioidea - genetics
Filarioidea - isolation & purification
Ixodes - classification
Ixodes - parasitology
Ixodidae - parasitology
Male
Phylogeny
Virginia - epidemiology
Filarial nematode
Amblyomma americanum
Monanema
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Summary:Ticks collected in 2011 were screened for the presence of filarial nematode genetic material, and positive samples were sequenced for analysis. Monanema-like filarial nematode DNA was recently discovered in Amblyomma americanum in northern Virginia, marking the first time genetic material from this parasite has been discovered in ticks in the state. Phylogenetic analysis revealed that this material was directly related to a previously discovered filarial nematode in A. americanum populations in Maryland as well as recently identified parasites in Ixodes scapularis from southern Connecticut. Further study is warranted to visually confirm the presence of these nematodes, characterize their distribution, and determine if these ticks are intermediate hosts.
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E-mail addresses: thennin4@jhu.edu (T.C. Henning), John.Orr@fairfaxcounty.gov (J.M. Orr), Joshua.Smith@fairfaxcounty.gov (J.D. Smith), jorgearias@reagan.com (J.R. Arias), jlr54@psu.edu (J.L. Rasgon), dnorris3@jhu.edu (D.E. Norris).
ISSN:1877-959X
1877-9603
DOI:10.1016/j.ttbdis.2015.11.007