Vollständiger Abstract
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ABSTRACT. The first detection of Trypanosoma cruzi ( T. cruzi ) in wild-caught Paratriatoma hirsuta ( P. hirsuta ) from military installations near the United States/Mexico border in California and Arizona is reported in the present study. As part of a Chagas disease surveillance initiative, 20 adult and 63 immature P. hirsuta were collected from 16 wood rat nests, along with sympatric Triatoma rubida ( T. rubida ). Initial polymerase chain reaction (PCR) screening revealed presumptive T. cruzi -positive samples, which were reanalyzed using a novel kinetoplast PCR assay with validated targets. Amplicons were sequenced using Sanger analysis, confirming T. cruzi infection. The presence of T. cruzi was confirmed in P. hirsuta (9%) and T. rubida (7%). The present study highlights the potential role of P. hirsuta as a secondary vector in sylvatic zoonotic T. cruzi transmission cycles in the Sonoran and Mojave Deserts and how this informs Chagas disease surveillance and prevention in the region.
Bibliografischer Nachweis
Publikationsdaten
- Autor:innen
- Paul A. Lenhart, Walter Roachell, Robert Fathke, Bernardo Delgado, Alexander M. Potter, Ian Copeland, Francisco Sanchez, Mauricio Solis, Amanda Cline, MaeJean Ramnarace, Gena G. Lawrence, Eyal Oren, Penelope J. Quintana, Shannon McBride, Cassandra Kerwin, Isydra G. Lujan, Tolulope Morawo, Riley E. Tedrow, Gerardo Pacheco, Jose Betancourt, Paula E. Stigler Granados
- Quelle
- The American Journal of Tropical Medicine and Hygiene
- Publikation
- 2026-01-01
- Band / Ausgabe
- Nicht angegeben
- Seiten
- Nicht angegeben
- ISSN / ISBN
- 0002-9637, 1476-1645
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Zitierfähiger Nachweis
Paul A. Lenhart, Walter Roachell, Robert Fathke, Bernardo Delgado, Alexander M. Potter, Ian Copeland, Francisco Sanchez, Mauricio Solis, Amanda Cline, MaeJean Ramnarace, Gena G. Lawrence, Eyal Oren, Penelope J. Quintana, Shannon McBride, Cassandra Kerwin, Isydra G. Lujan, Tolulope Morawo, Riley E. Tedrow, Gerardo Pacheco, Jose Betancourt, Paula E. Stigler Granados (2026). First Identification of Naturally Infected Paratriatoma hirsuta: A Vector for Trypanosoma cruzi and Implications for Chagas Disease Transmission. The American Journal of Tropical Medicine and Hygiene. https://doi.org/10.4269/ajtmh.26-0007
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