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Latin American Student Competition

Latin American Student Competition

143 - Bacterial inhibition of Plasmodium vivax development in the Neotropical vector Anopheles darlingi

Wednesday, March 25, 2026

11:45 AM - 11:55 AM PDT

Location: B113

Presenter(s)

Stefani Piedrahita

PhD student
Grupo Microbiología Molecular, Escuela de Microbiología, Universidad de Antioquia, Antioquia, Colombia

Co-Author(s)

NS

Najara A.C. Santos, n/a

Researcher
Plataforma de Produção e Infecção de Vetores de Malária (PIVEM), Fiocruz Rondônia, Brazil, Rondonia, Brazil
JK

Jéssica E.A. Kassupá, n/a

Researcher
Plataforma de Produção e Infecção de Vetores de Malária (PIVEM), Fiocruz Rondônia, Brazil; Programa de Pós-Graduação em Biodiversidade e Biotecnologia da Amazônia Legal – BIONORTE, Porto Velho-RO, Brazil, Rondonia, Brazil
AB

Alessandra S. Bastos, n/a

Researcher
Plataforma de Produção e Infecção de Vetores de Malária (PIVEM), Fiocruz Rondônia, Brazil, Rondonia, Brazil
AC

Ana Eliza M. Costa, n/a

Researcher
Plataforma de Produção e Infecção de Vetores de Malária (PIVEM), Fiocruz Rondônia, Brazil, Rondonia, Brazil
MA

Maisa S. Araujo, n/a

Professor, Researcher
Plataforma de Produção e Infecção de Vetores de Malária (PIVEM), Fiocruz Rondônia, Brazil, Rondonia, Brazil
MC

Margarita M. Correa, MSc. PhD (she/her/hers)

Professor, Researcher
Uiversidad de Antioquia. Grupo Microbiología Molecular, Escuela de Microbiología, Universidad de Antioquia, Medellín, Colombia, Antioquia, Colombia

Abstract: The increase in mosquito resistance to insecticides underscores the need to develop new control strategies based in microorganisms. This study aimed to evaluate the influence of three bacteria species from the Anopheles midgut microbiota on vector competence of Anopheles darlingi. The bacteria showed potential to inhibit oocyst in the midgut of female An. darlingi infected with Plasmodium vivax. These findings suggest that mosquito-associated bacteria could be used as a complementary approach to malaria control.