Exploring Trypanosoma cruzi transmission dynamics in an acute Chagas disease outbreak using next-generation sequencing

被引：0

作者：

Cruz-Saavedra, Lissa ^{[1
]}

Ospina, Carlos ^{[1
]}

Gutierrez, Stivenn A. ^{[1
]}

Jaimes-Duenez, Jeiczon ^{[1
,2
]}

Cantillo-Barraza, Omar ^{[3
]}

Hernandez, Carolina ^{[1
,4
]}

Alvarez, Francisco ^{[5
]}

Blanco, Maria ^{[6
]}

Leal, Bernardo ^{[5
]}

Martinez, Lida ^{[7
]}

Medina, Manuel ^{[5
]}

Medina, Mabel ^{[6
]}

Valdivieso, Silvia ^{[6
]}

Celis, Lauren Natalia Ramirez ^{[8
]}

Patino, Luz H. ^{[1
]}

Ramirez, Juan David ^{[1
,9
]}

机构：

[1] Univ Rosario, Fac Ciencias Nat, Ctr Invest Microbiol & Biotecnol UR CIMBIUR, Bogota, Colombia

[2] Univ Cooperat Colombia UCC, Fac Med Vet & Zootecnia, Grp Invest Ciencias Anim GRICA, Bucaramanga, Colombia

[3] Univ Antioquia, Grp BCEI, Medellin, Colombia

[4] Innovaseq SAS, Ctr Tecnol Salud CETESA, Bogota, Colombia

[5] Secretaria Salud Boyaca, Programa Control ETV, Tunja, Colombia

[6] Secretaria Departamental Salud Arauca, Arauca, Colombia

[7] Secretaria Salud Boyaca, Grp Vigilancia Salud Publ, Tunja, Colombia

[8] Hosp Sarare Empresa Social Estado, Saravena, Arauca, Colombia

[9] Icahn Sch Med Mt Sinai, Dept Pathol Mol & Cell Based Med, Mol Microbiol Lab, New York, NY 10029 USA

来源：

PARASITES & VECTORS | 2024年 / 17卷 / 01期

关键词：

Oral Chagas outbreak; Trypanosoma cruzi; Trypanosoma rangeli; DTU; Long-amplicon-based sequencing; Coinfection; Mixed infection; Loss of diversity; DISCRETE TYPING UNITS; ORAL-TRANSMISSION; INFECTION;

D O I：

10.1186/s13071-024-06445-9

中图分类号：

R38 [医学寄生虫学]; Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ; 100103 ;

摘要：

Background Chagas disease (CD), caused by Trypanosoma cruzi, poses a major global public health challenge. Although vector-borne transmission is the primary mode of infection, oral transmission is increasingly concerning. Methods This study utilized long-amplicon-based sequencing (long-ABS), focusing on the 18S rRNA gene, to explore T. cruzi's genetic diversity and transmission dynamics during an acute CD outbreak in Colombia, an area without domestic infestation. Results Analyzing samples from five patients and five T. cruzi-positive marsupial samples, we identified coinfections between T. cruzi and Trypanosoma rangeli, mixed T. cruzi DTUs, suggesting possible links between human and marsupial T. cruzi infections. Coexistence of TcI, TcIV and T. rangeli suggests marsupial secretions as the possible source of T. cruzi transmission. Our investigation revealed diversity loss in DTUs TcIV and T. rangeli in humans after infection and in marsupial samples after culture. Conclusion These findings provide significant insights into T. cruzi dynamics, crucial for implementing control and prevention strategies.

引用

页数：12

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