ArticlePLoS pathogens2022
Targeting the tsetse-trypanosome interplay using genetically engineered Sodalis glossinidius.
Article in PLoS pathogens, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 5 citations in OpenAlex.
- EMS Mutation and SNP Detection in IntracellularbioRxiv : the preprint server for biology · 2026Article
- Evolution, multifunctionality, and agricultural potential of insect microbiomes and the holobiont concept.The ISME journal · 2026Review
- Pfs48/45 nanobodies block Plasmodium falciparum transmission.PLoS pathogens · 2026Article
- Evaluation of two candidate molecules-TCTP and cecropin-on the establishment of Trypanosoma brucei gambiense into the gut of Glossina palpalis gambiensis.Insect science · 2025Article
- Nanobodies in animal infectious disease control: diagnosis and therapy.Frontiers in cellular and infection microbiology · 2025Review
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Authors and funding
7 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Sodalis glossinidius, a secondary bacterial symbiont of the tsetse fly, is currently considered as a potential delivery system for anti-trypanosomal components interfering with African trypanosome transmission (i.e. paratransgenesis). Nanobodies (Nbs) have been proposed as potential candidates to target the parasite during development in the tsetse fly. In this study, we have generated an immune Nb-library and developed a panning strategy to select Nbs against the Trypanosoma brucei brucei procyclic developmental stage present in the tsetse fly midgut. Selected Nbs were expressed, purified, assessed for binding and tested for their impact on the survival and growth of in vitro cultured procyclic T. b. brucei parasites. Next, we engineered S. glossinidius to express the selected Nbs and validated their ability to block T. brucei development in the tsetse fly midgut. Genetically engineered S. glossinidius expressing Nb_88 significantly compromised parasite development in the tsetse fly midgut both at the level of infection rate and parasite load. Interestingly, expression of Nb_19 by S. glossinidius resulted in a significantly enhanced midgut establishment. These data are the first to show in situ delivery by S. glossinidius of effector molecules that can target the trypanosome-tsetse fly crosstalk, interfering with parasite development in the fly. These proof-of-principle data represent a major step forward in the development of a control strategy based on paratransgenic tsetse flies. Finally, S. glossinidius-based Nb delivery can also be applied as a powerful laboratory tool to unravel the molecular determinants of the parasite-vector association.
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