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Exposure to cuticular bacteria can alter host behavior in a funnel-weaving spider

Current Zoology 2018年第3期64卷 721-726页

作者： Olivia B.PARKS Krishna S.KOTHAMASU Michael J.ZIEMBA morgan benner Madison CRISTINZIANO Serena KANTZ Daniel LEGER John LI Devanshi PATEL William RABUSE Samantha SUTTON Amandi WILSON Priyanka BAIREDDY Aditi A.KAMAT Mariah J.CALLAS Matthew J.BORGES Marysa N.SCALIA Emily KLENK Gabrielle SCHERER Maria M.MARTINEZ Sarah R.GRUBS Nancy KAUFMANN Jonathan N.PRUITT Carl N.KEISER Department of Biological Sciences University of PittsburghPittsburghPA 15260USA Department of Ecology Evolutionand Marine BiologyUniversity of CaliforniaSanta BarbaraCA 93106USA Rice University Academy of Fellows Rice UniversityHoustonTX 77005USA Department of BioSciences Rice UniversityHoustonTX 77005USA

Contact with environmental microbes are arguably the most common species interaction in which any animal *** have noted diverse relationships between hosts and resident microbes,which can have strong consequences for host development,physiology,and behavior. Many of these studies focus specifically on pathogens or beneficial microbes,while the benign microbes,of which the majority of bacteria could be described,are often ***,we explore the nature of the relationships between the grass spider Agelenopsis pennsylvanica and bacteria collected from their cuticles in ***,using culture-based methods,we identified a portion of the cuticular bacterial communities that are naturally associated with these ***,we topically exposed spiders to a subset of these bacterial monocultures to estimate how bacterial exposure may alter 3 host behavioral traits:boldness,aggressiveness,and activity *** conducted these behavioral assays 3 times before and 3 times after topical application,and compared the changes observed in each trait with spiders that were exposed to a sterile control *** identified 9 species of bacteria from the cuticles of 36 spiders and exposed groups of 20 spiders to 1 of 4 species of cuticular *** found that exposure to Dermacoccus nishinomiyaensis and Staphylococcus saprophyticus was associated with a lO-fold decrease in the foraging aggressiveness of spiders toward prey in their *** bacterial exposure did not have survival consequences for hosts,these data suggest that interactions with cuticular bacteria,even non- pathogenic bacteria,could alter host behavior.

关键词： Agelenopsis pennsylvanica aggressiveness Araneae cuticular bacteria personality

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