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Martins M, César CS, Cogni R. The effects of temperature on prevalence of facultative insect heritable symbionts across spatial and seasonal scales. Front Microbiol 2023; 14:1321341. [PMID: 38143870 PMCID: PMC10741647 DOI: 10.3389/fmicb.2023.1321341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Accepted: 11/23/2023] [Indexed: 12/26/2023] Open
Abstract
Facultative inheritable endosymbionts are common and diverse in insects and are often found at intermediate frequencies in insect host populations. The literature assessing the relationship between environment and facultative endosymbiont frequency in natural host populations points to temperature as a major component shaping the interaction. However, a synthesis describing its patterns and mechanistic basis is lacking. This mini-review aims to bridge this gap by, following an evolutionary model, hypothesizing that temperature increases endosymbiont frequencies by modulating key phenotypes mediating the interaction. Field studies mainly present positive correlations between temperature and endosymbiont frequency at spatial and seasonal scales; and unexpectedly, temperature is predominantly negatively correlated with the key phenotypes. Higher temperatures generally reduce the efficiency of maternal transmission, reproductive parasitism, endosymbiont influence on host fitness and the ability to protect against natural enemies. From the endosymbiont perspective alone, higher temperatures reduce titer and both high and low temperatures modulate their ability to promote host physiological acclimation and behavior. It is necessary to promote research programs that integrate field and laboratory approaches to pinpoint which processes are responsible for the temperature correlated patterns of endosymbiont prevalence in natural populations.
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Affiliation(s)
| | | | - Rodrigo Cogni
- Department of Ecology, University of São Paulo, São Paulo, Brazil
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2
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Tougeron K, Iltis C, Rampnoux E, Goerlinger A, Dhondt L, Hance T. Still standing: The heat protection delivered by a facultative symbiont to its aphid host is resilient to repeated thermal stress. CURRENT RESEARCH IN INSECT SCIENCE 2023; 3:100061. [PMID: 37304568 PMCID: PMC10250925 DOI: 10.1016/j.cris.2023.100061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 04/05/2023] [Accepted: 05/29/2023] [Indexed: 06/13/2023]
Abstract
Insects have evolved diverse strategies to resist extreme high temperatures (EHT). The adaptive value of such strategies has to be evaluated when organisms experience multiple EHT events during their lifetime, as predicted in a changing climate. This is particularly the case for associations with facultative microbial partners involved in insect heat tolerance, the resilience of which to repeated heat stress has never been studied. We compared two artificial lines of the pea aphid (Acyrthosiphon pisum) differing by the absence or presence of the heat-protective facultative bacterium Serratia symbiotica. We exposed insect nymphs to a varying number of EHT events (between 0 and 3), and recorded fitness parameters. Except survival traits, fitness estimates were affected by the interaction between aphid infection status (absence/presence of S. symbiotica) and thermal treatment (number of heat shocks applied). Costs of bacterial infection were detected in the absence of thermal stress: symbiont-hosting aphids incurred longer development, decreased fecundity and body size. However, symbiotic infection turned neutral, and even beneficial for some traits (development and body size), as the number of heat shocks increased, and compared to the aposymbiotic strain. Conversely, symbiotic infection mediated aphid response to heat shock(s): fitness decreased only in the uninfected group. These findings suggest that (i) the facultative symbiont may alternatively act as a pathogen, commensal or mutualist depending on thermal environment, and (ii) the heat protection it delivered to its host persists under frequent EHT. We discuss eco-evolutionary implications and the role of potentially confounding factors (stage-specific effects, genetic polymorphism displayed by the obligate symbiont).
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Affiliation(s)
- Kévin Tougeron
- Earth and Life Institute, Ecology and Biodiversity, Université catholique de Louvain, Croix du Sud 4-5, 1348 Louvain-la-Neuve, Belgium
- Institut de Recherche en Biosciences, Université de Mons, Av. du Champ de Mars 6, 7000 Mons, Belgium
| | - Corentin Iltis
- Earth and Life Institute, Ecology and Biodiversity, Université catholique de Louvain, Croix du Sud 4-5, 1348 Louvain-la-Neuve, Belgium
| | - Eliott Rampnoux
- Earth and Life Institute, Ecology and Biodiversity, Université catholique de Louvain, Croix du Sud 4-5, 1348 Louvain-la-Neuve, Belgium
| | - Alexandre Goerlinger
- Earth and Life Institute, Ecology and Biodiversity, Université catholique de Louvain, Croix du Sud 4-5, 1348 Louvain-la-Neuve, Belgium
| | - Linda Dhondt
- Earth and Life Institute, Ecology and Biodiversity, Université catholique de Louvain, Croix du Sud 4-5, 1348 Louvain-la-Neuve, Belgium
| | - Thierry Hance
- Earth and Life Institute, Ecology and Biodiversity, Université catholique de Louvain, Croix du Sud 4-5, 1348 Louvain-la-Neuve, Belgium
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3
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Harvey JA, Tougeron K, Gols R, Heinen R, Abarca M, Abram PK, Basset Y, Berg M, Boggs C, Brodeur J, Cardoso P, de Boer JG, De Snoo GR, Deacon C, Dell JE, Desneux N, Dillon ME, Duffy GA, Dyer LA, Ellers J, Espíndola A, Fordyce J, Forister ML, Fukushima C, Gage MJG, García‐Robledo C, Gely C, Gobbi M, Hallmann C, Hance T, Harte J, Hochkirch A, Hof C, Hoffmann AA, Kingsolver JG, Lamarre GPA, Laurance WF, Lavandero B, Leather SR, Lehmann P, Le Lann C, López‐Uribe MM, Ma C, Ma G, Moiroux J, Monticelli L, Nice C, Ode PJ, Pincebourde S, Ripple WJ, Rowe M, Samways MJ, Sentis A, Shah AA, Stork N, Terblanche JS, Thakur MP, Thomas MB, Tylianakis JM, Van Baaren J, Van de Pol M, Van der Putten WH, Van Dyck H, Verberk WCEP, Wagner DL, Weisser WW, Wetzel WC, Woods HA, Wyckhuys KAG, Chown SL. Scientists' warning on climate change and insects. ECOL MONOGR 2022. [DOI: 10.1002/ecm.1553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Jeffrey A. Harvey
- Department of Terrestrial Ecology Netherlands Institute of Ecology (NIOO‐KNAW) Wageningen The Netherlands
- Department of Ecological Sciences Vrije Universiteit Amsterdam Amsterdam The Netherlands
| | - Kévin Tougeron
- Earth and Life Institute, Ecology & Biodiversity Université catholique de Louvain Louvain‐la‐Neuve Belgium
- EDYSAN, UMR 7058, Université de Picardie Jules Verne, CNRS Amiens France
| | - Rieta Gols
- Laboratory of Entomology Wageningen University Wageningen The Netherlands
| | - Robin Heinen
- Department of Life Science Systems, School of Life Sciences Technical University of Munich, Terrestrial Ecology Research Group Freising Germany
| | - Mariana Abarca
- Department of Biological Sciences Smith College Northampton Massachusetts USA
| | - Paul K. Abram
- Agriculture and Agri‐Food Canada, Agassiz Research and Development Centre Agassiz British Columbia Canada
| | - Yves Basset
- Smithsonian Tropical Research Institute Panama City Republic of Panama
- Department of Ecology Institute of Entomology, Czech Academy of Sciences Ceske Budejovice Czech Republic
| | - Matty Berg
- Department of Ecological Sciences Vrije Universiteit Amsterdam Amsterdam The Netherlands
- Groningen Institute of Evolutionary Life Sciences University of Groningen Groningen The Netherlands
| | - Carol Boggs
- School of the Earth, Ocean and Environment and Department of Biological Sciences University of South Carolina Columbia South Carolina USA
- Rocky Mountain Biological Laboratory Gothic Colorado USA
| | - Jacques Brodeur
- Institut de recherche en biologie végétale, Département de sciences biologiques Université de Montréal Montréal Québec Canada
| | - Pedro Cardoso
- Laboratory for Integrative Biodiversity Research (LIBRe), Finnish Museum of Natural History Luomus University of Helsinki Helsinki Finland
| | - Jetske G. de Boer
- Department of Terrestrial Ecology Netherlands Institute of Ecology (NIOO‐KNAW) Wageningen The Netherlands
| | - Geert R. De Snoo
- Department of Terrestrial Ecology Netherlands Institute of Ecology (NIOO‐KNAW) Wageningen The Netherlands
| | - Charl Deacon
- Department of Conservation Ecology and Entomology, Faculty of AgriSciences Stellenbosch University Stellenbosch South Africa
| | - Jane E. Dell
- Geosciences and Natural Resources Department Western Carolina University Cullowhee North Carolina USA
| | | | - Michael E. Dillon
- Department of Zoology and Physiology and Program in Ecology University of Wyoming Laramie Wyoming USA
| | - Grant A. Duffy
- School of Biological Sciences Monash University Melbourne Victoria Australia
- Department of Marine Science University of Otago Dunedin New Zealand
| | - Lee A. Dyer
- University of Nevada Reno – Ecology, Evolution and Conservation Biology Reno Nevada USA
| | - Jacintha Ellers
- Department of Ecological Sciences Vrije Universiteit Amsterdam Amsterdam The Netherlands
| | - Anahí Espíndola
- Department of Entomology University of Maryland College Park Maryland USA
| | - James Fordyce
- Department of Ecology and Evolutionary Biology University of Tennessee, Knoxville Knoxville Tennessee USA
| | - Matthew L. Forister
- University of Nevada Reno – Ecology, Evolution and Conservation Biology Reno Nevada USA
| | - Caroline Fukushima
- Laboratory for Integrative Biodiversity Research (LIBRe), Finnish Museum of Natural History Luomus University of Helsinki Helsinki Finland
| | | | | | - Claire Gely
- Centre for Tropical Environmental and Sustainability Science, College of Science and Engineering James Cook University Cairns Queensland Australia
| | - Mauro Gobbi
- MUSE‐Science Museum, Research and Museum Collections Office Climate and Ecology Unit Trento Italy
| | - Caspar Hallmann
- Radboud Institute for Biological and Environmental Sciences Radboud University Nijmegen The Netherlands
| | - Thierry Hance
- Earth and Life Institute, Ecology & Biodiversity Université catholique de Louvain Louvain‐la‐Neuve Belgium
| | - John Harte
- Energy and Resources Group University of California Berkeley California USA
| | - Axel Hochkirch
- Department of Biogeography Trier University Trier Germany
- IUCN SSC Invertebrate Conservation Committee
| | - Christian Hof
- Department of Life Science Systems, School of Life Sciences Technical University of Munich, Terrestrial Ecology Research Group Freising Germany
| | - Ary A. Hoffmann
- Bio21 Institute, School of BioSciences University of Melbourne Melbourne Victoria Australia
| | - Joel G. Kingsolver
- Department of Biology University of North Carolina Chapel Hill North Carolina USA
| | - Greg P. A. Lamarre
- Smithsonian Tropical Research Institute Panama City Republic of Panama
- Department of Ecology Institute of Entomology, Czech Academy of Sciences Ceske Budejovice Czech Republic
| | - William F. Laurance
- Centre for Tropical Environmental and Sustainability Science, College of Science and Engineering James Cook University Cairns Queensland Australia
| | - Blas Lavandero
- Laboratorio de Control Biológico Universidad de Talca Talca Chile
| | - Simon R. Leather
- Center for Integrated Pest Management Harper Adams University Newport UK
| | - Philipp Lehmann
- Department of Zoology Stockholm University Stockholm Sweden
- Zoological Institute and Museum University of Greifswald Greifswald Germany
| | - Cécile Le Lann
- University of Rennes, CNRS, ECOBIO [(Ecosystèmes, biodiversité, évolution)] ‐ UMR 6553 Rennes France
| | | | - Chun‐Sen Ma
- Climate Change Biology Research Group, State Key Laboratory for Biology of Plant Diseases and Insect Pests Institute of Plant Protection, Chinese Academy of Agricultural Sciences Beijing China
| | - Gang Ma
- Climate Change Biology Research Group, State Key Laboratory for Biology of Plant Diseases and Insect Pests Institute of Plant Protection, Chinese Academy of Agricultural Sciences Beijing China
| | | | | | - Chris Nice
- Department of Biology Texas State University San Marcos Texas USA
| | - Paul J. Ode
- Department of Agricultural Biology Colorado State University Fort Collins Colorado USA
- Graduate Degree Program in Ecology Colorado State University Fort Collins Colorado USA
| | - Sylvain Pincebourde
- Institut de Recherche sur la Biologie de l'Insecte, UMR 7261, CNRS Université de Tours Tours France
| | - William J. Ripple
- Department of Forest Ecosystems and Society Oregon State University Oregon USA
| | - Melissah Rowe
- Netherlands Institute of Ecology (NIOO‐KNAW) Department of Animal Ecology Wageningen The Netherlands
| | - Michael J. Samways
- Department of Conservation Ecology and Entomology, Faculty of AgriSciences Stellenbosch University Stellenbosch South Africa
| | - Arnaud Sentis
- INRAE, Aix‐Marseille University, UMR RECOVER Aix‐en‐Provence France
| | - Alisha A. Shah
- W.K. Kellogg Biological Station, Department of Integrative Biology Michigan State University East Lansing Michigan USA
| | - Nigel Stork
- Centre for Planetary Health and Food Security, School of Environment and Science Griffith University Nathan Queensland Australia
| | - John S. Terblanche
- Department of Conservation Ecology and Entomology, Faculty of AgriSciences Stellenbosch University Stellenbosch South Africa
| | - Madhav P. Thakur
- Institute of Ecology and Evolution University of Bern Bern Switzerland
| | - Matthew B. Thomas
- York Environmental Sustainability Institute and Department of Biology University of York York UK
| | - Jason M. Tylianakis
- Bioprotection Aotearoa, School of Biological Sciences University of Canterbury Christchurch New Zealand
| | - Joan Van Baaren
- University of Rennes, CNRS, ECOBIO [(Ecosystèmes, biodiversité, évolution)] ‐ UMR 6553 Rennes France
| | - Martijn Van de Pol
- Netherlands Institute of Ecology (NIOO‐KNAW) Department of Animal Ecology Wageningen The Netherlands
- College of Science and Engineering James Cook University Townsville Queensland Australia
| | - Wim H. Van der Putten
- Department of Terrestrial Ecology Netherlands Institute of Ecology (NIOO‐KNAW) Wageningen The Netherlands
| | - Hans Van Dyck
- Earth and Life Institute, Ecology & Biodiversity Université catholique de Louvain Louvain‐la‐Neuve Belgium
| | | | - David L. Wagner
- Ecology and Evolutionary Biology University of Connecticut Storrs Connecticut USA
| | - Wolfgang W. Weisser
- Department of Life Science Systems, School of Life Sciences Technical University of Munich, Terrestrial Ecology Research Group Freising Germany
| | - William C. Wetzel
- Department of Entomology, Department of Integrative Biology, and Ecology, Evolution, and Behavior Program Michigan State University East Lansing Michigan USA
| | - H. Arthur Woods
- Division of Biological Sciences University of Montana Missoula Montana USA
| | - Kris A. G. Wyckhuys
- Chrysalis Consulting Hanoi Vietnam
- China Academy of Agricultural Sciences Beijing China
| | - Steven L. Chown
- Securing Antarctica's Environmental Future, School of Biological Sciences Monash University Melbourne Victoria Australia
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Tougeron K, Iltis C. Impact of heat stress on the fitness outcomes of symbiotic infection in aphids: a meta-analysis. Proc Biol Sci 2022; 289:20212660. [PMID: 35350854 PMCID: PMC8965392 DOI: 10.1098/rspb.2021.2660] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Beneficial microorganisms shape the evolutionary trajectories of their hosts, facilitating or constraining the colonization of new ecological niches. One convincing example entails the responses of insect-microbe associations to rising temperatures. Indeed, insect resilience to stressful high temperatures depends on the genetic identity of the obligate symbiont and the presence of heat-protective facultative symbionts. As extensively studied organisms, aphids and their endosymbiotic bacteria represent valuable models to address eco-evolutionary questions about the thermal ecology of insect-microbe partnerships, with broad relevance to various biological systems and insect models. This meta-analysis aims to quantify the context-dependent impacts of symbionts on host phenotype in benign or stressful heat conditions, across fitness traits, types of heat stress and symbiont species. We found that warming lowered the benefits (resistance to parasitoids) and costs (development, fecundity) of infection by facultative symbionts, which was overall mostly beneficial to the hosts under short-term heat stress (heat shock) rather than extended warming. Heat-tolerant genotypes of the obligate symbiont Buchnera aphidicola and some facultative symbionts (Rickettsia sp., Serratia symbiotica) improved or maintained aphid fitness under heat stress. We discuss the implications of these findings for the general understanding of the cost-benefit balance of insect-microbe associations across multiple traits and their eco-evolutionary dynamics faced with climate change.
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Affiliation(s)
- Kévin Tougeron
- Earth and Life Institute, Ecology and Biodiversity, Université catholique de Louvain, Louvain-la-Neuve, Belgium,UMR CNRS 7058-EDYSAN, Université de Picardie Jules Verne, Amiens, France
| | - Corentin Iltis
- Earth and Life Institute, Ecology and Biodiversity, Université catholique de Louvain, Louvain-la-Neuve, Belgium
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Jerbi-Elayed M, Tougeron K, Grissa-Lebdi K, Hance T. Effect of developmental temperatures on Aphidius colemani host-foraging behavior at high temperature. J Therm Biol 2022; 103:103140. [PMID: 35027198 DOI: 10.1016/j.jtherbio.2021.103140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 11/02/2021] [Accepted: 11/26/2021] [Indexed: 11/26/2022]
Abstract
Temperatures experienced by insects during their adult life often differ from developmental temperatures. Yet, developmental thermal acclimation can play an important role in shaping physiological, morphological, and behavioral traits at the adult stage. We explored how three rearing temperatures (10, 20, and 28 °C) affected host-foraging behaviors and associated traits under warm conditions in the parasitoid Aphidius colemani, a key model in behavioral ecology and an important natural enemy of aphids. Developmental time was longer at lower temperatures, resulting in bigger emerging parasitoids, with higher egg-loads. Parasitism rates, emergence rates, and parasitoid survival (once placed at high temperature) were the highest for parasitoids developed at 20 °C. When exposed to 28 °C, the expression of all behavioral items (time spent walking searching for hosts, number of antennal and ovipositor contacts with hosts) was higher for parasitoids reared at 20 °C, followed by those reared at 10 °C, then those reared at 28 °C. Finally, we showed that parasitoid residence time on aphid patches was determined by both developmental temperatures and the number of host encounter without oviposition, representative of the resource quality. We revealed that developing at 28 °C did not lead to increased adult performance at this temperature, probably because of complex interactions and trade-offs between developmental costs at high temperature and optimal foraging behaviors (e.g., parasitoid size and host-handling capacities). Our results strengthen the idea that thermal developmental plasticity may play an important role in insect behavioral responses to varying temperatures, and is important to consider in the context of climate change.
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Affiliation(s)
- Mey Jerbi-Elayed
- Earth and Life Institute, Ecology and Biodiversity, Université catholique de Louvain, Louvain-la-Neuve, Belgium.
| | - Kévin Tougeron
- Earth and Life Institute, Ecology and Biodiversity, Université catholique de Louvain, Louvain-la-Neuve, Belgium; UMR CNRS 7058 EDYSAN (Écologie et Dynamique des Systèmes Anthropisés), Université de Picardie Jules Verne, Amiens, France
| | - Kaouthar Grissa-Lebdi
- Department of Plant Protection, Institut Agronomique de Tunisie, Université de Carthage, Carthage, Tunisia
| | - Thierry Hance
- Earth and Life Institute, Ecology and Biodiversity, Université catholique de Louvain, Louvain-la-Neuve, Belgium
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