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Latin American Student Competition

Latin American Student Competition

144 - Transgenerational stability and density of Wolbachia wAlbB strain in Aedes aegypti and its genetic variation

Wednesday, March 25, 2026

11:55 AM - 12:05 PM PDT

Location: B113

Presenter(s)

Mitzi Miraldelly Pérez Almeida (she/her/hers)

Student
Universidad Autónoma de Yucatán, Yucatan, Mexico

Co-Author(s)

CU

Carlos Uc Cetina, n/a

Student
Universidad Autónoma de Yucatán, Yucatan, Mexico
CQ

Cindy Quintal Poot, n/a

Student
Universidad Autónoma de Yucatán, Yucatan, Mexico
Silvia Pérez Carrillo, n/a

Research Associate
Universidad Autónoma de Yucatán, Yucatan, Mexico
HP

Henry Puerta Guardo, n/a

Research Associate
Universidad Autónoma de Yucatán, Yucatan, Mexico
Yamili Jazmín Contreras-Perera (she/her/hers)

Responsable de la Produccion masiva de mosquitos
Universidad Autónoma de Yucatán, Yucatan, Mexico
AM

Abdiel Martín-Park, n/a (he/him/his)

Responsable of the Laboratory for Biological Control of Aedes aegypti
Universidad Autónoma de Yucatán, Yucatan, Mexico
PM

Pablo Manrique-Saide, n/a

Universidad Autónoma de Yucatán
Universidad Autónoma de Yucatán, Yucatan, Mexico

Abstract: The Incompatible Insect Technique (IIT) relies on Wolbachia to suppress Aedes aegypti, major dengue, Zika, and chikungunya vectors. We assessed Wolbachia wAlbB strain for transgenerational stability, density, and genetic variation. Wolbachia density remained stable and 100% prevalent across generations, the incompatible crosses were 100% sterile. Sequence analysis (n=66) showed 99.8% identity with reference strain, confirming robust vertical transmission and reliable biological performance, supporting its operational use in vector-control programs.