Cuticular bacteria appear detrimental to social spiders in mixed but not monoculture exposure.

Current Zoology
Carl N KeiserJonathan N Pruitt

Abstract

Much of an animal's health status, life history, and behavior are dictated by interactions with its endogenous and exogenous bacterial communities. Unfortunately, interactions between hosts and members of their resident bacterial community are often ignored in animal behavior and behavioral ecology. Here, we aim to identify the nature of host-microbe interactions in a nonmodel organism, the African social spider Stegodyphus dumicola. We collected and identified bacteria from the cuticles of spiders in situ and then exposed spiders to bacterial monocultures cultures via topical application or injection. We also topically inoculated spiders with a concomitant "cocktail" of bacteria and measured the behavior of spiders daily for 24 days after inoculation. Lastly, we collected and identified bacteria from the cuticles of prey items in the capture webs of spiders, and then fed spiders domestic crickets which had been injected with these bacteria. We also injected 1 species of prey-borne bacteria into the hemolymph of spiders. Only Bacillus thuringiensis caused increased mortality when injected into the hemolymph of spiders, whereas no bacterial monocultures caused increased mortality when applied topically, relative to control solut...Continue Reading

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Citations

Jul 7, 2016·Biology Letters·Carl N KeiserJonathan N Pruitt
Dec 13, 2018·Current Zoology·Olivia B ParksCarl N Keiser
Jun 18, 2020·PeerJ·Dumas GálvezEleodoro Bonilla
May 30, 2019·Parasites & Vectors·Florian BinetruyOlivier Duron
Sep 11, 2021·Frontiers in Microbiology·Alexander LammersMichael Lalk

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Methods Mentioned

BETA
PCR
gypsy

Software Mentioned

R
QVALUE
MicroSeq BLAST
JMP
FinchTV BLAST

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