Bunyaviruses are common in male and female Ixodes scapularis ticks in central Pennsylvania

Joyce M. Sakamoto, Terry F.F. Ng, Yasutsugu Suzuki, Hitoshi Tsujimoto, Xutao Deng, Eric Delwart, Jason L. Rasgon

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

The blacklegged tick Ixodes scapularis is widely distributed in the United States and transmits multiple pathogens to humans, wildlife and domestic animals. Recently, several novel viruses in the family Bunyaviridae (South Bay virus (SBV) and Blacklegged tick phlebovirus (BTPV)) were identified infecting female I. scapularis ticks collected in New York State. We used metagenomic sequencing to investigate the distribution of viruses infecting male and female I. scapularis ticks collected in Centre County, Pennsylvania. We identified both SBV and BTPV in both male and female ticks from all collection locations. The role of male I. scapularis in pathogen epidemiology has been overlooked because they rarely bite and are not considered important pathogen vectors. However, males may act as reservoirs for pathogens that can then be transmitted to females during mating. Our data highlight the importance of examining all potential avenues of pathogen maintenance and transmission throughout the vector-pathogen life cycle in order to understand the epidemiology of tick-borne pathogens.

Original languageEnglish (US)
Article numbere2324
JournalPeerJ
Volume2016
Issue number8
DOIs
StatePublished - 2016

All Science Journal Classification (ASJC) codes

  • Neuroscience(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

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