Food for contagion: synthesis and future directions for studying host-parasite responses to resource shifts in anthropogenic environments

Altizer, S. et al. (2018) Food for contagion: synthesis and future directions for studying host-parasite responses to resource shifts in anthropogenic environments. Philosophical Transactions of the Royal Society B: Biological Sciences, 373(1745), 20170102. (doi:10.1098/rstb.2017.0102) (PMID:29531154) (PMCID:PMC5881886)

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Abstract

Human-provided resource subsidies for wildlife are diverse, common and have profound consequences for wildlife-pathogen interactions, as demonstrated by papers in this themed issue spanning empirical, theoretical and management perspectives from a range of study systems. Contributions cut across scales of organization, from the within-host dynamics of immune function, to population-level impacts on parasite transmission, to landscape- and regional-scale patterns of infection. In this concluding paper, we identify common threads and key findings from author contributions, including the consequences of resource subsidies for (i) host immunity; (ii) animal aggregation and contact rates; (iii) host movement and landscape-level infection patterns; and (iv) interspecific contacts and cross-species transmission. Exciting avenues for future work include studies that integrate mechanistic modelling and empirical approaches to better explore cross-scale processes, and experimental manipulations of food resources to quantify host and pathogen responses. Work is also needed to examine evolutionary responses to provisioning, and ask how diet-altered changes to the host microbiome influence infection processes. Given the massive public health and conservation implications of anthropogenic resource shifts, we end by underscoring the need for practical recommendations to manage supplemental feeding practices, limit human-wildlife conflicts over shared food resources and reduce cross-species transmission risks, including to humans.This article is part of the theme issue 'Anthropogenic resource subsidies and host-parasite dynamics in wildlife'.

Item Type:Articles
Keywords:anthropogenic change, cross-species transmission, human feeding of wildlife, pathogen transmission, resource subsidy, within-host dynamics.
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Streicker, Dr Daniel
Authors: Altizer, S., Becker, D. J., Epstein, J. H., Forbes, K. M., Gillespie, T. R., Hall, R. J., Hawley, D. M., Hernandez, S. M., Martin, L. B., Plowright, R. K., Satterfield, D. A., and Streicker, D. G.
College/School:College of Medical Veterinary and Life Sciences > Institute of Biodiversity Animal Health and Comparative Medicine
Journal Name:Philosophical Transactions of the Royal Society B: Biological Sciences
Publisher:The Royal Society
ISSN:0962-8436
ISSN (Online):1471-2970
Published Online:12 March 2018
Copyright Holders:Copyright © 2018 The Authors
First Published:First published in Philosophical Transactions of the Royal Society B: Biological Sciences 373(1745): 20170102
Publisher Policy:Reproduced in accordance with the publisher copyright policy

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
634192Managing viral emergence at the interface of bats and livestockDaniel StreickerWellcome Trust (WELLCOTR)102507/Z/13/ZRI BIODIVERSITY ANIMAL HEALTH & COMPMED