Tsetse fly (Glossina pallidipes) midgut responses to Trypanosoma brucei challenge

Parasites & Vectors
Rosemary BatetaPaul O Mireji

Abstract

Tsetse flies (Glossina spp.) are the prominent vector of African trypanosome parasites (Trypanosoma spp.) in sub-Saharan Africa, and Glossina pallidipes is the most widely distributed species in Kenya. This species displays strong resistance to infection by parasites, which are typically eliminated in the midgut shortly after acquisition from the mammalian host. Although extensive molecular information on immunity for the related species Glossina morsitans morsitans exists, similar information is scarce for G. pallidipes. To determine temporal transcriptional responses of G. pallidipes to Trypanosoma brucei brucei challenge, we conducted Illumina based RNA-seq on midgut organ and carcass from teneral females G. pallidipes at 24 and 48 h post-challenge (hpc) with T. b. brucei relative to their respective controls that received normal blood meals (without the parasite). We used a suite of bioinformatics tools to determine differentially expressed and enriched transcripts between and among tissues, and to identify expanded transcripts in G. pallidipes relative to their orthologs G. m. morsitans. Midgut transcripts induced at 24 hpc encoded proteins were associated with lipid remodelling, proteolysis, collagen metabolism, apoptosis...Continue Reading

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Citations

May 11, 2019·Developmental and Comparative Immunology·Matetovici IrinaVan Den Abbeele Jan

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Datasets Mentioned

BETA
SRP090042
GPAI033271

Methods Mentioned

BETA
PCR
RNA-Seq

Software Mentioned

Vectorbase
Ensembl compara
BLAST
CFX Manager
Complex Heatmaps Bioconductor R package
tBLASTx
SamToFastq
[UNK]
WebGestalt
FastQ

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Apoptosis

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