Microbiota Plays a Role in Oral Immune Priming in Tribolium castaneum

Frontiers in Microbiology
Momir FutoJoachim Kurtz

Abstract

Animals are inhabited by a diverse community of microorganisms. The relevance of such microbiota is increasingly being recognized across a broad spectrum of species, ranging from sponges to primates, revealing various beneficial roles that microbes can play. The red flour beetle Tribolium castaneum represents a well-established experimental model organism for studying questions in ecology and evolution, however, the relevance of its microbial community is still largely unknown. T. castaneum larvae orally exposed to bacterial components of the entomopathogen Bacillus thuringiensis bv. tenebrionis showed increased survival upon a subsequent challenge with spores of this bacterium. To investigate whether T. castaneum microbiota plays a role in this phenomenon, we established a protocol for raising microbe-free larvae and subsequently tested whether they differ in their ability to mount such a priming response. Here we demonstrate that larvae with significantly lowered microbial loads, show decreased survival upon secondary challenge with B. thuringiensis bv. tenebrionis spores, compared to animals that were allowed to regain their microbiota before priming. Although the exact mechanism of oral immune priming is unclear, we here su...Continue Reading

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Citations

Dec 15, 2017·Biology Letters·Momir FutoJoachim Kurtz
Sep 3, 2019·Frontiers in Immunology·Guillaume TetreauYannick Moret
Apr 12, 2020·Applied and Environmental Microbiology·Luis R Paniagua VoirolMonika Hilker
Mar 28, 2019·Frontiers in Physiology·Aurélien VigneronYannick Moret
Jun 27, 2017·Frontiers in Immunology·Sophie A O ArmitageHan-Ching Wang
Sep 27, 2018·Veterinary World·Harshit KumarBharat Bhushan
Oct 28, 2020·Journal of Evolutionary Biology·Cybèle Prigot-MauriceChristine Braquart-Varnier
Feb 26, 2020·Developmental and Comparative Immunology·Junhan LinMinsheng You
Jan 19, 2019·Trends in Microbiology·Chung-Yin Leung, Joshua S Weitz
May 20, 2017·Zeitschrift Für Naturforschung. C, a Journal of Biosciences·Thorben GrauGerrit Joop
Jul 15, 2021·Developmental and Comparative Immunology·Andreas Vilcinskas

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Methods Mentioned

BETA
PCR
Assay

Software Mentioned

R
nlme
bdsmatrix
coxme
R package
Relative Expression Software Tool REST

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