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Bernatchez L, Ferchaud AL, Berger CS, Venney CJ, Xuereb A. Genomics for monitoring and understanding species responses to global climate change. Nat Rev Genet 2024; 25:165-183. [PMID: 37863940 DOI: 10.1038/s41576-023-00657-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/29/2023] [Indexed: 10/22/2023]
Abstract
All life forms across the globe are experiencing drastic changes in environmental conditions as a result of global climate change. These environmental changes are happening rapidly, incur substantial socioeconomic costs, pose threats to biodiversity and diminish a species' potential to adapt to future environments. Understanding and monitoring how organisms respond to human-driven climate change is therefore a major priority for the conservation of biodiversity in a rapidly changing environment. Recent developments in genomic, transcriptomic and epigenomic technologies are enabling unprecedented insights into the evolutionary processes and molecular bases of adaptation. This Review summarizes methods that apply and integrate omics tools to experimentally investigate, monitor and predict how species and communities in the wild cope with global climate change, which is by genetically adapting to new environmental conditions, through range shifts or through phenotypic plasticity. We identify advantages and limitations of each method and discuss future research avenues that would improve our understanding of species' evolutionary responses to global climate change, highlighting the need for holistic, multi-omics approaches to ecosystem monitoring during global climate change.
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Affiliation(s)
- Louis Bernatchez
- Institut de Biologie Intégrative et des Systèmes (IBIS), Université Laval, Quebec City, Quebec, Canada
| | - Anne-Laure Ferchaud
- Institut de Biologie Intégrative et des Systèmes (IBIS), Université Laval, Quebec City, Quebec, Canada.
- Parks Canada, Office of the Chief Ecosystem Scientist, Protected Areas Establishment, Quebec City, Quebec, Canada.
| | - Chloé Suzanne Berger
- Institut de Biologie Intégrative et des Systèmes (IBIS), Université Laval, Quebec City, Quebec, Canada
| | - Clare J Venney
- Institut de Biologie Intégrative et des Systèmes (IBIS), Université Laval, Quebec City, Quebec, Canada
| | - Amanda Xuereb
- Institut de Biologie Intégrative et des Systèmes (IBIS), Université Laval, Quebec City, Quebec, Canada
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2
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Cooney C, Sommer B, Marzinelli EM, Figueira WF. The role of microbial biofilms in range shifts of marine habitat-forming organisms. Trends Microbiol 2024; 32:190-199. [PMID: 37633773 DOI: 10.1016/j.tim.2023.07.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 07/25/2023] [Accepted: 07/27/2023] [Indexed: 08/28/2023]
Abstract
Marine species, such as corals and kelp, are responding to climate change by altering their distributions. Microbial biofilms underpin key processes that affect the establishment, maintenance, and function of these dominant habitat-formers. Climate-mediated changes to microbial biofilms can therefore strongly influence species' range shifts. Here, we review emerging research on the interactions between benthic biofilms and habitat-formers and identify two key areas of interaction where climate change can impact this dynamic: (i) via direct effects on biofilm composition, and (ii) via impacts on the complex feedback loops which exist between the biofilm microbes and habitat-forming organisms. We propose that these key interactions will be fundamental in driving the speed and extent of tropicalisation of coastal ecosystems under climate change.
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Affiliation(s)
- Christopher Cooney
- School of Life and Environmental Sciences, The University of Sydney, Sydney, NSW 2006, Australia.
| | - Brigitte Sommer
- School of Life and Environmental Sciences, The University of Sydney, Sydney, NSW 2006, Australia; School of Life Sciences, University of Technology Sydney, Sydney, NSW 2007, Australia
| | - Ezequiel M Marzinelli
- School of Life and Environmental Sciences, The University of Sydney, Sydney, NSW 2006, Australia; Singapore Centre for Environmental Life Sciences Engineering, Nanyang Technological University, Singapore
| | - Will F Figueira
- School of Life and Environmental Sciences, The University of Sydney, Sydney, NSW 2006, Australia
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3
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Dairain A, Voet H, Vafeiadou AM, De Meester N, Rigaux A, Van Colen C, Vanaverbeke J, Moens T. Structurally stable but functionally disrupted marine microbial communities under a future climate change scenario: Potential importance for nitrous oxide emissions. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 907:167928. [PMID: 37863213 DOI: 10.1016/j.scitotenv.2023.167928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 10/05/2023] [Accepted: 10/16/2023] [Indexed: 10/22/2023]
Abstract
The blue mussel Mytilus edulis is a widespread and abundant bivalve species along the North Sea with high economic and ecological importance as an engineer species. The shell of mussels is intensively colonized by microbial organisms that can produce significant quantities of nitrous oxide (N2O), a potent greenhouse gas. To characterize the impacts of climate change on the composition, structure and functioning of microbial biofilms on the shell surface of M. edulis, we experimentally exposed them to orthogonal combinations of increased seawater temperature (20 vs. 23 °C) and decreased pH (8.0 vs. 7.7) for six weeks. We used amplicon sequencing of the 16S rRNA gene to characterize the alpha and beta diversity of microbial communities on the mussel shell. The functioning of microbial biofilms was assessed by measuring aerobic respiration and nitrogen emission rates. We did not report any significant impacts of climate change treatments on the diversity of mussel microbiomes nor on the structure of these communities. Lowered pH and increased temperature had antagonistic effects on the functioning of microbial communities with decreased aerobic respiration and N2O emission rates of microbial biofilms in acidified seawater compared to increased rates in warmer conditions. An overriding impact of acidification over warming was finally observed on N2O emissions when the two factors were combined. Although acidification and warming in combination significantly reduced N2O biofilm emissions, the promotion of aquaculture activities in coastal waters where shellfish do not normally occur at high biomass and density could nonetheless result in unwanted emissions of this greenhouse gas in a near future.
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Affiliation(s)
- Annabelle Dairain
- Marine Biology Research Group, Department of Biology, Ghent University, Krijgslaan 281/S8, Ghent 9000, Belgium; Sorbonne Université, CNRS, Station Biologique de Roscoff, UMR7144, Adaptation et Diversité en Milieu Marin, Place Georges Teissier, CS90074, 29688 Roscoff Cedex, France.
| | - Helena Voet
- Marine Biology Research Group, Department of Biology, Ghent University, Krijgslaan 281/S8, Ghent 9000, Belgium; Royal Belgian Institute of Natural Sciences, Operational Directorate Natural Environment, Marine Ecology and Management, Vautierstraat 29, Brussels 1000, Belgium
| | - Anna-Maria Vafeiadou
- Marine Biology Research Group, Department of Biology, Ghent University, Krijgslaan 281/S8, Ghent 9000, Belgium
| | - Nele De Meester
- Marine Biology Research Group, Department of Biology, Ghent University, Krijgslaan 281/S8, Ghent 9000, Belgium
| | - Annelien Rigaux
- Marine Biology Research Group, Department of Biology, Ghent University, Krijgslaan 281/S8, Ghent 9000, Belgium
| | - Carl Van Colen
- Marine Biology Research Group, Department of Biology, Ghent University, Krijgslaan 281/S8, Ghent 9000, Belgium
| | - Jan Vanaverbeke
- Marine Biology Research Group, Department of Biology, Ghent University, Krijgslaan 281/S8, Ghent 9000, Belgium; Royal Belgian Institute of Natural Sciences, Operational Directorate Natural Environment, Marine Ecology and Management, Vautierstraat 29, Brussels 1000, Belgium
| | - Tom Moens
- Marine Biology Research Group, Department of Biology, Ghent University, Krijgslaan 281/S8, Ghent 9000, Belgium
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4
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Kochanowski JA, Carroll B, Asp ME, Kaputa EC, Patteson AE. Bacteria Colonies Modify Their Shear and Compressive Mechanical Properties in Response to Different Growth Substrates. ACS APPLIED BIO MATERIALS 2024. [PMID: 38193703 DOI: 10.1021/acsabm.3c00907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2024]
Abstract
Bacteria build multicellular communities termed biofilms, which are often encased in a self-secreted extracellular matrix that gives the community mechanical strength and protection against harsh chemicals. How bacteria assemble distinct multicellular structures in response to different environmental conditions remains incompletely understood. Here, we investigated the connection between bacteria colony mechanics and the colony growth substrate by measuring the oscillatory shear and compressive rheology of bacteria colonies grown on agar substrates. We found that bacteria colonies modify their own mechanical properties in response to shear and uniaxial compression in a manner that depends on the concentration of agar in their growth substrate. These findings highlight that mechanical interactions between bacteria and their microenvironments are an important element in bacteria colony development, which can aid in developing strategies to disrupt or reduce biofilm growth.
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Affiliation(s)
- Jakub A Kochanowski
- Physics Department and BioInspired Institute, Syracuse University, Syracuse, New York 13210, United States
| | - Bobby Carroll
- Physics Department and BioInspired Institute, Syracuse University, Syracuse, New York 13210, United States
| | - Merrill E Asp
- Physics Department and BioInspired Institute, Syracuse University, Syracuse, New York 13210, United States
| | - Emma C Kaputa
- Physics Department and BioInspired Institute, Syracuse University, Syracuse, New York 13210, United States
| | - Alison E Patteson
- Physics Department and BioInspired Institute, Syracuse University, Syracuse, New York 13210, United States
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Ranheim Sveen T, Hannula SE, Bahram M. Microbial regulation of feedbacks to ecosystem change. Trends Microbiol 2024; 32:68-78. [PMID: 37500365 DOI: 10.1016/j.tim.2023.06.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 06/12/2023] [Accepted: 06/14/2023] [Indexed: 07/29/2023]
Abstract
Microbes are key biodiversity components of all ecosystems and control vital ecosystem functions. Although we have just begun to unravel the scales and factors that regulate microbial communities, their role in mediating ecosystem stability in response to disturbances remains underexplored. Here, we review evidence of how, when, and where microbes regulate or drive disturbance feedbacks. Negative feedbacks dampen the impacts of disturbance, which maintain ecosystem stability, whereas positive feedbacks instead erode stability by amplifying the disturbance. Here we describe the processes underlying the responses to disturbance using a hierarchy of functional traits, and we exemplify how these may drive biogeochemical feedbacks. We suggest that the feedback potential of functional traits at different hierarchical levels is contingent on the complexity and heterogeneity of the environment.
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Affiliation(s)
- T Ranheim Sveen
- Department of Ecology, Swedish University of Agricultural Sciences, Ulls Väg 16, 756 51 Uppsala, Sweden.
| | - S E Hannula
- Institute of Environmental Sciences, Leiden University, Leiden 2333, The Netherlands
| | - M Bahram
- Department of Ecology, Swedish University of Agricultural Sciences, Ulls Väg 16, 756 51 Uppsala, Sweden; Institute of Ecology and Earth Sciences, University of Tartu, Tartu, Estonia
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Naik AT, Kamensky KM, Hellum AM, Moisander PH. Disturbance frequency directs microbial community succession in marine biofilms exposed to shear. mSphere 2023; 8:e0024823. [PMID: 37931135 PMCID: PMC10790581 DOI: 10.1128/msphere.00248-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 08/30/2023] [Indexed: 11/08/2023] Open
Abstract
IMPORTANCE Disturbances are major drivers of community succession in many microbial systems; however, relatively little is known about marine biofilm community succession, especially under antifouling disturbance. Antifouling technologies exert strong local disturbances on marine biofilms, and resulting biomass losses can be accompanied by shifts in biofilm community composition and succession. We address this gap in knowledge by bridging microbial ecology with antifouling technology development. We show that disturbance by shear can strongly alter marine biofilm community succession, acting as a selective filter influenced by frequency of exposure. Examining marine biofilm succession patterns with and without shear revealed stable associations between key prokaryotic and eukaryotic taxa, highlighting the importance of cross-domain assessment in future marine biofilm research. Describing how compounded top-down and bottom-up disturbances shape the succession of marine biofilms is valuable for understanding the assembly and stability of these complex microbial communities and predicting species invasiveness.
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Affiliation(s)
- Abhishek T. Naik
- Department of Biology, University of Massachusetts Dartmouth, North Dartmouth, Massachusetts, USA
- School of Marine Science and Technology, University of Massachusetts Dartmouth, New Bedford, Massachusetts, USA
| | | | - Aren M. Hellum
- Naval Undersea Warfare Center, Newport, Rhode Island, USA
| | - Pia H. Moisander
- Department of Biology, University of Massachusetts Dartmouth, North Dartmouth, Massachusetts, USA
- School of Marine Science and Technology, University of Massachusetts Dartmouth, New Bedford, Massachusetts, USA
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Sushmitha TJ, Rajeev M, Murthy PS, Rao TS, Pandian SK. Planktonic and early-stage biofilm microbiota respond contrastingly to thermal discharge-created seawater warming. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 264:115433. [PMID: 37696079 DOI: 10.1016/j.ecoenv.2023.115433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 07/21/2023] [Accepted: 08/30/2023] [Indexed: 09/13/2023]
Abstract
Thermal-discharges from power plants highly disturb the biological communities of the receiving water body and understanding their influence is critical, given the relevance to global warming. We employed 16 S rRNA gene sequencing to examine the response of two dominant marine bacterial lifestyles (planktonic and biofilm) against elevated seawater temperature (+5 ℃). Obtained results demonstrated that warming prompted high heterogeneity in diversity and composition of planktonic and biofilm microbiota, albeit both communities responded contrastingly. Alpha diversity revealed that temperature exhibited positive effect on biofilm microbiota and negative effect on planktonic microbiota. The community composition of planktonic microbiota shifted significantly in warming area, with decreased abundances of Bacteroidetes, Cyanobacteria, and Actinobacteria. Contrastingly, these bacterial groups exhibited opposite trend in biofilm microbiota. Co-occurrence networks of biofilm microbiota displayed higher node diversity and co-presence in warming area. The study concludes that with increasing ocean warming, marine biofilms and biofouling management strategies will be more challenging.
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Affiliation(s)
- T J Sushmitha
- Department of Biotechnology, Alagappa University, Karaikudi, Tamil Nadu, India
| | - Meora Rajeev
- Department of Biotechnology, Alagappa University, Karaikudi, Tamil Nadu, India
| | - P Sriyutha Murthy
- Water & Steam Chemistry Division, Bhabha Atomic Research Centre Facilities, Kalpakkam, Tamil Nadu, India
| | - Toleti Subba Rao
- School of Arts & Sciences, Sai University, OMR, Paiyanur, 603105 Tamil Nadu, India
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Djaoudi K, Onrubia JAT, Boukra A, Guesnay L, Portas A, Barry-Martinet R, Angeletti B, Mounier S, Lenoble V, Briand JF. Seawater copper content controls biofilm bioaccumulation and microbial community on microplastics. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 814:152278. [PMID: 34902408 DOI: 10.1016/j.scitotenv.2021.152278] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 12/01/2021] [Accepted: 12/05/2021] [Indexed: 06/14/2023]
Abstract
The adsorption of trace metals on microplastics (MPs) is affected by the presence of surficial biofilms but their interactions are poorly understood. Here, we present the influence of Cu levels in real seawater (Toulon Bay, NW Mediterranean Sea) on microbial communities and Cu content of the resulting biofilms grown during incubation experiments on high density polyethylene. Two sets of incubation experiments were run with seawater supplied with MPs, sampled in two sites with contrasting Cu levels: Pt12 (most contaminated site) and Pt41P (less contaminated site). For each incubation experiment, 5 treatments were considered differing in Cu concentrations, ranging between 30 and 400 nM and between 6 and 60 nM, for Pt12 and Pt41p, respectively. A control experiment (filtered at 0.2 μm) was run in parallel for each incubation experiment. We observed that, at the time scale of the incubation period, both prokaryotic and eukaryotic richness and diversity were higher in the biofilms formed from the most contaminated site. In addition, we showed that Cu levels are shaping biofilm communities, evidencing co-occurrence patterns between prokaryotes and eukaryotes with diatoms playing a central role. These differences in biofilm formation were reflected in the amount of bioaccumulated Cu per dry weight of MPs, exhibiting higher values in the most contaminated site. Within this site, the increase of Cu seawater content enhanced its bioaccumulation onto MPs until reaching saturation. This study strongly suggests a striking link between seawater copper content, biofilm community shaping and the resulting Cu bioaccumulation onto MPs.
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Affiliation(s)
- Kahina Djaoudi
- Université de Toulon, Aix Marseille Univ., CNRS/INSU, IRD, MIO UM 110, Mediterranean Institute of Oceanography, CS 60584, 83041 Toulon, France; Department of Molecular and Cellular Biology, University of Arizona, Tucson, AZ 85721, USA.
| | - Javier Angel Tesán Onrubia
- Université de Toulon, Aix Marseille Univ., CNRS/INSU, IRD, MIO UM 110, Mediterranean Institute of Oceanography, CS 60584, 83041 Toulon, France
| | - Amine Boukra
- Université de Toulon, Aix Marseille Univ., CNRS/INSU, IRD, MIO UM 110, Mediterranean Institute of Oceanography, CS 60584, 83041 Toulon, France
| | - Lucas Guesnay
- Laboratoire MAPIEM, EA 4323, Université de Toulon, Toulon, France
| | - Aurélie Portas
- Laboratoire MAPIEM, EA 4323, Université de Toulon, Toulon, France
| | | | - Bernard Angeletti
- Aix Marseille Univ, CNRS, IRD, INRA, Coll France, CEREGE, Aix-en-Provence, France
| | - Stéphane Mounier
- Université de Toulon, Aix Marseille Univ., CNRS/INSU, IRD, MIO UM 110, Mediterranean Institute of Oceanography, CS 60584, 83041 Toulon, France
| | - Véronique Lenoble
- Université de Toulon, Aix Marseille Univ., CNRS/INSU, IRD, MIO UM 110, Mediterranean Institute of Oceanography, CS 60584, 83041 Toulon, France
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Bani A, Randall KC, Clark DR, Gregson BH, Henderson DK, Losty EC, Ferguson RM. Mind the gaps: What do we know about how multiple chemical stressors impact freshwater aquatic microbiomes? ADV ECOL RES 2022. [DOI: 10.1016/bs.aecr.2022.09.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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