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Biget M, Wang T, Mony C, Xu Q, Lecoq L, Chable V, Theis KR, Ling N, Vandenkoornhuyse P. Evaluating the hologenome concept by analyzing the root-endosphere microbiota of chimeric plants. iScience 2023; 26:106031. [PMID: 36824281 PMCID: PMC9941212 DOI: 10.1016/j.isci.2023.106031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Revised: 09/07/2022] [Accepted: 01/17/2023] [Indexed: 01/25/2023] Open
Abstract
The hologenome concept considers the entity formed by a host and its microbiota, the holobiont, as new level of hierarchical organization subject to neutral and selective forces. We used grafted plants to formally evaluate the hologenome concept. We analyzed the root-endosphere microbiota of two independent watermelon and grapevine plant systems, including ungrafted and reciprocal-grafting combinations. Grafted and ungrafted hosts harbor markedly different microbiota compositions. Furthermore, the results indicate a non-random assembly of bacterial communities inhabiting the root endosphere of chimeric plants with interactive effect of both the rootstock and scion on the recruitment of microorganisms. Because chimeric plants did not have a random microbiota, the null hypothesis that holobionts assemble randomly and hologenome concept is an intellectual construction only can be rejected. The study supports the relevance of hologenome as biological level of organization and opens new avenues for a better fundamental understanding of plants as holobionts.
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Affiliation(s)
- Marine Biget
- Université de Rennes 1, CNRS, UMR 6553 ECOBIO (écosystèmes, biodiversité, évolution), 35000 Rennes, France
| | - Tingting Wang
- Université de Rennes 1, CNRS, UMR 6553 ECOBIO (écosystèmes, biodiversité, évolution), 35000 Rennes, France,Jiangsu Provincial Key Lab for Organic Solid Waste Utilization, National Engineering Research Center for Organic-based Fertilizers, Jiangsu Collaborative Innovation Center for Solid Organic Waste Resource Utilization, Nanjing Agricultural University, Nanjing 210095, China
| | - Cendrine Mony
- Université de Rennes 1, CNRS, UMR 6553 ECOBIO (écosystèmes, biodiversité, évolution), 35000 Rennes, France
| | - Qicheng Xu
- Jiangsu Provincial Key Lab for Organic Solid Waste Utilization, National Engineering Research Center for Organic-based Fertilizers, Jiangsu Collaborative Innovation Center for Solid Organic Waste Resource Utilization, Nanjing Agricultural University, Nanjing 210095, China
| | - Lucie Lecoq
- Université de Rennes 1, CNRS, UMR 6553 ECOBIO (écosystèmes, biodiversité, évolution), 35000 Rennes, France
| | - Véronique Chable
- UMR BAGAP INRAE, Centre Bretagne-Normandie, Domaine de la Motte, BP35327, 35653 Le Rheu Cedex, France
| | - Kevin R. Theis
- Department of Biochemistry, Microbiology and Immunology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Ning Ling
- Jiangsu Provincial Key Lab for Organic Solid Waste Utilization, National Engineering Research Center for Organic-based Fertilizers, Jiangsu Collaborative Innovation Center for Solid Organic Waste Resource Utilization, Nanjing Agricultural University, Nanjing 210095, China,Corresponding author
| | - Philippe Vandenkoornhuyse
- Université de Rennes 1, CNRS, UMR 6553 ECOBIO (écosystèmes, biodiversité, évolution), 35000 Rennes, France,Corresponding author
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2
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Zunino P. Native microbiomes in danger: Could One Health help to cope with this threat to global health? INTERNATIONAL JOURNAL OF ONE HEALTH 2022. [DOI: 10.14202/ijoh.2022.178-184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Planetary health faces an emergency associated with global change. Climate change, the increase in world population and urban concentration, the hyperintensification of productive systems, and the associated changes in land use, among other factors, are generating a risky substrate for global health deterioration. The emergence of the coronavirus disease 2019 pandemic is an example of the problems that this situation can provoke. Several researchers and health professionals have addressed the role of microorganisms, particularly bacteria, in promoting global health, mainly in the past decades. However, global changes have contributed to the extinction of a wide array of bacterial species and the disruption of microbial communities that support the homeostasis of humans, animals, and the environment. The need to protect the diversity and richness of native microbiomes in biotic and abiotic environments is crucial but has been frequently underestimated. The "One Health" approach, based on integrating traditionally unconnected fields such as human, animal, and environmental health, could provide a helpful framework to face this challenge. Anyway, drastic political decisions will be needed to tackle this global health crisis, in which the preservation of native microbial resources plays a critical role, even in preventing the risk of a new pandemic. This review aims to explain the importance of native microbiomes in biotic and abiotic ecosystems and the need to consider bacterial extinction as a crucial problem that could be addressed under a One Health approach.
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Affiliation(s)
- Pablo Zunino
- Department of Microbiology, Instituto de Investigaciones Biológicas Clemente Estable, Avenida Italia 3318, Montevideo 11600, Uruguay
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3
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Ramírez-Sánchez D, Gibelin-Viala C, Mayjonade B, Duflos R, Belmonte E, Pailler V, Bartoli C, Carrere S, Vailleau F, Roux F. Investigating genetic diversity within the most abundant and prevalent non-pathogenic leaf-associated bacteria interacting with Arabidopsis thaliana in natural habitats. Front Microbiol 2022; 13:984832. [PMID: 36212843 PMCID: PMC9537739 DOI: 10.3389/fmicb.2022.984832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Accepted: 08/31/2022] [Indexed: 12/02/2022] Open
Abstract
Microbiota modulates plant health and appears as a promising lever to develop innovative, sustainable and eco-friendly agro-ecosystems. Key patterns of microbiota assemblages in plants have been revealed by an extensive number of studies based on taxonomic profiling by metabarcoding. However, understanding the functionality of microbiota is still in its infancy and relies on reductionist approaches primarily based on the establishment of representative microbial collections. In Arabidopsis thaliana, most of these microbial collections include one strain per OTU isolated from a limited number of habitats, thereby neglecting the ecological potential of genetic diversity within microbial species. With this study, we aimed at estimating the extent of genetic variation between strains within the most abundant and prevalent leaf-associated non-pathogenic bacterial species in A. thaliana located south-west of France. By combining a culture-based collection approach consisting of the isolation of more than 7,000 bacterial colonies with an informative-driven approach, we isolated 35 pure strains from eight non-pathogenic bacterial species. We detected significant intra-specific genetic variation at the genomic level and for growth rate in synthetic media. In addition, significant host genetic variation was detected in response to most bacterial strains in in vitro conditions, albeit dependent on the developmental stage at which plants were inoculated, with the presence of both negative and positive responses on plant growth. Our study provides new genetic and genomic resources for a better understanding of the plant-microbe ecological interactions at the microbiota level. We also highlight the need of considering genetic variation in both non-pathogenic bacterial species and A. thaliana to decipher the genetic and molecular mechanisms involved in the ecologically relevant dialog between hosts and leaf microbiota.
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Affiliation(s)
| | | | | | - Rémi Duflos
- LIPME, INRAE, CNRS, Université de Toulouse, Castanet-Tolosan, France
| | - Elodie Belmonte
- Gentyane, UMR 1095 GDEC, INRAE, Université Clermont Auvergne, Clermont-Ferrand, France
| | - Vincent Pailler
- Gentyane, UMR 1095 GDEC, INRAE, Université Clermont Auvergne, Clermont-Ferrand, France
| | - Claudia Bartoli
- Institute for Genetics, Environment and Plant Protection (IGEPP), INRAE, Institut Agro AgroCampus Ouest, Université de Rennes 1, Le Rheu, France
| | - Sébastien Carrere
- LIPME, INRAE, CNRS, Université de Toulouse, Castanet-Tolosan, France
| | - Fabienne Vailleau
- LIPME, INRAE, CNRS, Université de Toulouse, Castanet-Tolosan, France
| | - Fabrice Roux
- LIPME, INRAE, CNRS, Université de Toulouse, Castanet-Tolosan, France
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4
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Antonelli P, Duval P, Luis P, Minard G, Valiente Moro C. Reciprocal interactions between anthropogenic stressors and insect microbiota. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:64469-64488. [PMID: 35864395 DOI: 10.1007/s11356-022-21857-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 07/01/2022] [Indexed: 06/15/2023]
Abstract
Insects play many important roles in nature due to their diversity, ecological role, and impact on agriculture or human health. They are directly influenced by environmental changes and in particular anthropic activities that constitute an important driver of change in the environmental characteristics. Insects face numerous anthropogenic stressors and have evolved various detoxication mechanisms to survive and/or resist to these compounds. Recent studies highligted the pressure exerted by xenobiotics on insect life-cycle and the important role of insect-associated bacterial microbiota in the insect responses to environmental changes. Stressor exposure can have various impacts on the composition and structure of insect microbiota that in turn may influence insect biology. Moreover, bacterial communities associated with insects can be directly or indirectly involved in detoxification processes with the selection of certain microorganisms capable of degrading xenobiotics. Further studies are needed to assess the role of insect-associated microbiota as key contributor to the xenobiotic metabolism and thus as a driver for insect adaptation to polluted habitats.
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Affiliation(s)
- Pierre Antonelli
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, INRAE, VetAgro Sup, UMR Ecologie Microbienne, 69622, Villeurbanne, France
| | - Pénélope Duval
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, INRAE, VetAgro Sup, UMR Ecologie Microbienne, 69622, Villeurbanne, France
| | - Patricia Luis
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, INRAE, VetAgro Sup, UMR Ecologie Microbienne, 69622, Villeurbanne, France
| | - Guillaume Minard
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, INRAE, VetAgro Sup, UMR Ecologie Microbienne, 69622, Villeurbanne, France
| | - Claire Valiente Moro
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, INRAE, VetAgro Sup, UMR Ecologie Microbienne, 69622, Villeurbanne, France.
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Together forever: Inseparable partners of the symbiotic system Paramecium multimicronucleatum/Ca. Trichorickettsia mobilis. Symbiosis 2022. [DOI: 10.1007/s13199-022-00854-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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6
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Mueller UG, Linksvayer TA. Microbiome breeding: conceptual and practical issues. Trends Microbiol 2022; 30:997-1011. [PMID: 35595643 DOI: 10.1016/j.tim.2022.04.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 03/30/2022] [Accepted: 04/11/2022] [Indexed: 10/18/2022]
Abstract
Microbiome breeding is a new artificial selection technique that seeks to change the genetic composition of microbiomes in order to benefit plant or animal hosts. Recent experimental and theoretical analyses have shown that microbiome breeding is possible whenever microbiome-encoded genetic factors affect host traits (e.g., health) and microbiomes are transmissible between hosts with sufficient fidelity, such as during natural microbiome transmission between individuals of social animals, or during experimental microbiome transplanting between plants. To address misunderstandings that stymie microbiome-breeding programs, we (i) clarify and visualize the corresponding elements of microbiome selection and standard selection; (ii) elucidate the eco-evolutionary processes underlying microbiome selection within a quantitative genetic framework to summarize practical guidelines that optimize microbiome breeding; and (iii) characterize the kinds of host species most amenable to microbiome breeding.
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Affiliation(s)
- Ulrich G Mueller
- Department of Integrative Biology, University of Texas at Austin, Austin, TX 78712, USA.
| | - Timothy A Linksvayer
- Department of Biological Sciences, Texas Tech University, Lubbock, TX 79409, USA.
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Garuglieri E, Booth JM, Fusi M, Yang X, Marasco R, Mbobo T, Clementi E, Sacchi L, Daffonchio D. Morphological characteristics and abundance of prokaryotes associated with gills in mangrove brachyuran crabs living along a tidal gradient. PLoS One 2022; 17:e0266977. [PMID: 35421185 PMCID: PMC9009686 DOI: 10.1371/journal.pone.0266977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 03/30/2022] [Indexed: 11/24/2022] Open
Abstract
Due to the chemico-physical differences between air and water, the transition from aquatic life to the land poses several challenges for animal evolution, necessitating morphological, physiological and behavioural adaptations. Microbial symbiosis is known to have played an important role in eukaryote evolution, favouring host adaptation under changing environmental conditions. We selected mangrove brachyuran crabs as a model group to investigate the prokaryotes associated with the gill of crabs dwelling at different tidal levels (subtidal, intertidal and supratidal). In these animals, the gill undergoes a high selective pressure, finely regulating multiple physiological functions during both animal submersion under and emersion from the periodical tidal events. We hypothesize that similarly to other marine animals, the gills of tidal crabs are consistently colonized by prokaryotes that may quantitatively change along the environmental gradient driven by the tides. Using electron microscopy techniques, we found a thick layer of prokaryotes over the gill surfaces of all of 12 crab species from the mangrove forests of Saudi Arabia, Kenya and South Africa. We consistently observed two distinct morphotypes (rod- and spherical-shaped), positioned horizontally and/or perpendicularly to the gill surface. The presence of replicating cells indicated that the prokaryote layer is actively growing on the gill surface. Quantitative analysis of scanning electron microscopy images and the quantification of the bacterial 16S rRNA gene by qPCR revealed a higher specific abundance of prokaryote cells per gill surface area in the subtidal species than those living in the supratidal zone. Our results revealed a correlation between prokaryote colonization of the gill surfaces and the host lifestyle. This finding indicates a possible role of prokaryote partnership within the crab gills, with potential effects on animal adaptation to different levels of the intertidal gradient present in the mangrove ecosystem.
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Affiliation(s)
- Elisa Garuglieri
- Biological and Environmental Sciences and Engineering Division (BESE), King Abdullah University of Science and Technology (KAUST), Red Sea Research Center, Thuwal, Saudi Arabia
| | - Jenny Marie Booth
- Biological and Environmental Sciences and Engineering Division (BESE), King Abdullah University of Science and Technology (KAUST), Red Sea Research Center, Thuwal, Saudi Arabia
| | - Marco Fusi
- Biological and Environmental Sciences and Engineering Division (BESE), King Abdullah University of Science and Technology (KAUST), Red Sea Research Center, Thuwal, Saudi Arabia
- Joint Nature Conservation Committee, Peterborough, United Kingdom
| | - Xinyuan Yang
- Biological and Environmental Sciences and Engineering Division (BESE), King Abdullah University of Science and Technology (KAUST), Red Sea Research Center, Thuwal, Saudi Arabia
| | - Ramona Marasco
- Biological and Environmental Sciences and Engineering Division (BESE), King Abdullah University of Science and Technology (KAUST), Red Sea Research Center, Thuwal, Saudi Arabia
| | - Tumeka Mbobo
- National Research Foundation-South African Institute for Aquatic Biodiversity Institute, Makhanda, South Africa
- South African National Biodiversity Institute, Kirstenbosch Research Centre, Cape Town, South Africa
- Department of Botany and Zoology, Centre for Invasion Biology, Stellenbosch University, Stellenbosch, South Africa
| | - Emanuela Clementi
- Dipartimento di Biologia e Biotecnologie "L. Spallanzani", Università di Pavia, Pavia, Italy
| | - Luciano Sacchi
- Dipartimento di Biologia e Biotecnologie "L. Spallanzani", Università di Pavia, Pavia, Italy
| | - Daniele Daffonchio
- Biological and Environmental Sciences and Engineering Division (BESE), King Abdullah University of Science and Technology (KAUST), Red Sea Research Center, Thuwal, Saudi Arabia
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8
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Soil Origin and Plant Genotype Modulate Switchgrass Aboveground Productivity and Root Microbiome Assembly. mBio 2022; 13:e0007922. [PMID: 35384699 PMCID: PMC9040762 DOI: 10.1128/mbio.00079-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Switchgrass (Panicum virgatum) is a model perennial grass for bioenergy production that can be productive in agricultural lands that are not suitable for food production. There is growing interest in whether its associated microbiome may be adaptive in low- or no-input cultivation systems. However, the relative impact of plant genotype and soil factors on plant microbiome and biomass are a challenge to decouple. To address this, a common garden greenhouse experiment was carried out using six common switchgrass genotypes, which were each grown in four different marginal soils collected from long-term bioenergy research sites in Michigan and Wisconsin. We characterized the fungal and bacterial root communities with high-throughput amplicon sequencing of the ITS and 16S rDNA markers, and collected phenological plant traits during plant growth, as well as soil chemical traits. At harvest, we measured the total plant aerial dry biomass. Significant differences in richness and Shannon diversity across soils but not between plant genotypes were found. Generalized linear models showed an interaction between soil and genotype for fungal richness but not for bacterial richness. Community structure was also strongly shaped by soil origin and soil origin × plant genotype interactions. Overall, plant genotype effects were significant but low. Random Forest models indicate that important factors impacting switchgrass biomass included NO3−, Ca2+, PO43−, and microbial biodiversity. We identified 54 fungal and 52 bacterial predictors of plant aerial biomass, which included several operational taxonomic units belonging to Glomeraceae and Rhizobiaceae, fungal and bacterial lineages that are involved in provisioning nutrients to plants.
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Salgueiro J, Nussenbaum AL, Milla FH, Asimakis E, Goane L, Ruiz MJ, Bachmann GE, Vera MT, Stathopoulou P, Bourtzis K, Deutscher AT, Lanzavecchia SB, Tsiamis G, Segura DF. Analysis of the Gut Bacterial Community of Wild Larvae of Anastrepha fraterculus sp. 1: Effect of Host Fruit, Environment, and Prominent Stable Associations of the Genera Wolbachia, Tatumella, and Enterobacter. Front Microbiol 2022; 13:822990. [PMID: 35359740 PMCID: PMC8960962 DOI: 10.3389/fmicb.2022.822990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Accepted: 01/24/2022] [Indexed: 11/13/2022] Open
Abstract
The genus Anastrepha (Diptera Tephritidae) includes some of the most important fruit fly pests in the Americas. Here, we studied the gut bacterial community of 3rd instar larvae of Anastrepha fraterculus sp. 1 through Next Generation Sequencing (lllumina) of the V3-V4 hypervariable region within the 16S rRNA gene. Gut bacterial communities were compared between host species (guava and peach), and geographical origins (Concordia and Horco Molle in Argentina) representing distinct ecological scenarios. In addition, we explored the effect of spatial scale by comparing the samples collected from different trees within each geographic origin and host species. We also addressed the effect of fruit size on bacterial diversity. The gut bacterial community was affected both by host species and geographic origin. At smaller spatial scales, the gut bacterial profile differed among trees of the same species and location at least in one host-location combination. There was no effect of fruit size on the larval gut bacteriome. Operational Taxonomic Units (OTUs) assigned to Wolbachia, Tatumella and Enterobacter were identified in all samples examined, which suggest potential, non-transient symbioses. Better knowledge on the larval gut bacteriome contributes valuable information to develop sustainable control strategies against A. fraterculus targeting key symbionts as the Achilles' heel to control this important fruit fly pest.
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Affiliation(s)
- Julieta Salgueiro
- Instituto de Genética “Ewald A. Favret” (INTA) – GV IABIMO (CONICET), Hurlingham, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - A. Laura Nussenbaum
- Instituto de Genética “Ewald A. Favret” (INTA) – GV IABIMO (CONICET), Hurlingham, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - Fabián H. Milla
- Instituto de Genética “Ewald A. Favret” (INTA) – GV IABIMO (CONICET), Hurlingham, Argentina
| | - Elias Asimakis
- Laboratory of Systems Microbiology and Applied Genomics, Department of Environmental Engineering, University of Patras, Agrinio, Greece
| | - Lucía Goane
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
- Facultad de Agronomía y Zootecnia, Universidad Nacional de Tucumán, San Miguel de Tucumán, Argentina
| | - M. Josefina Ruiz
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
- Facultad de Agronomía y Zootecnia, Universidad Nacional de Tucumán, San Miguel de Tucumán, Argentina
| | - Guillermo E. Bachmann
- Instituto de Genética “Ewald A. Favret” (INTA) – GV IABIMO (CONICET), Hurlingham, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - María T. Vera
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
- Facultad de Agronomía y Zootecnia, Universidad Nacional de Tucumán, San Miguel de Tucumán, Argentina
| | - Panagiota Stathopoulou
- Laboratory of Systems Microbiology and Applied Genomics, Department of Environmental Engineering, University of Patras, Agrinio, Greece
| | - Kostas Bourtzis
- Insect Pest Control Laboratory, Joint FAO/IAEA Center of Nuclear Techniques in Food and Agriculture, Vienna, Austria
| | - Ania T. Deutscher
- Biosecurity and Food Safety, NSW Department of Primary Industries, Elizabeth Macarthur Agricultural Institute (EMAI), Menangle, NSW, Australia
| | - Silvia B. Lanzavecchia
- Instituto de Genética “Ewald A. Favret” (INTA) – GV IABIMO (CONICET), Hurlingham, Argentina
| | - George Tsiamis
- Laboratory of Systems Microbiology and Applied Genomics, Department of Environmental Engineering, University of Patras, Agrinio, Greece
| | - Diego F. Segura
- Instituto de Genética “Ewald A. Favret” (INTA) – GV IABIMO (CONICET), Hurlingham, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
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10
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Rebuffat S. Ribosomally synthesized peptides, foreground players in microbial interactions: recent developments and unanswered questions. Nat Prod Rep 2021; 39:273-310. [PMID: 34755755 DOI: 10.1039/d1np00052g] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
It is currently well established that multicellular organisms live in tight association with complex communities of microorganisms including a large number of bacteria. These are immersed in complex interaction networks reflecting the relationships established between them and with host organisms; yet, little is known about the molecules and mechanisms involved in these mutual interactions. Ribosomally synthesized peptides, among which bacterial antimicrobial peptides called bacteriocins and microcins have been identified as contributing to host-microbe interplays, are either unmodified or post-translationally modified peptides. This review will unveil current knowledge on these ribosomal peptide-based natural products, their interplay with the host immune system, and their roles in microbial interactions and symbioses. It will include their major structural characteristics and post-translational modifications, the main rules of their maturation pathways, and the principal ecological functions they ensure (communication, signalization, competition), especially in symbiosis, taking select examples in various organisms. Finally, we address unanswered questions and provide a framework for deciphering big issues inspiring future directions in the field.
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Affiliation(s)
- Sylvie Rebuffat
- Laboratory Molecules of Communication and Adaptation of Microorganisms (MCAM, UMR 7245 CNRS-MNHN), National Museum of Natural History (MNHN), National Centre of Scientific Research (CNRS), CP 54, 57 rue Cuvier 75005, Paris, France.
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11
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Abstract
Recent human activity has profoundly transformed Earth biomes on a scale and at rates that are unprecedented. Given the central role of symbioses in ecosystem processes, functions, and services throughout the Earth biosphere, the impacts of human-driven change on symbioses are critical to understand. Symbioses are not merely collections of organisms, but co-evolved partners that arise from the synergistic combination and action of different genetic programs. They function with varying degrees of permanence and selection as emergent units with substantial potential for combinatorial and evolutionary innovation in both structure and function. Following an articulation of operational definitions of symbiosis and related concepts and characteristics of the Anthropocene, we outline a basic typology of anthropogenic change (AC) and a conceptual framework for how AC might mechanistically impact symbioses with select case examples to highlight our perspective. We discuss surprising connections between symbiosis and the Anthropocene, suggesting ways in which new symbioses could arise due to AC, how symbioses could be agents of ecosystem change, and how symbioses, broadly defined, of humans and “farmed” organisms may have launched the Anthropocene. We conclude with reflections on the robustness of symbioses to AC and our perspective on the importance of symbioses as ecosystem keystones and the need to tackle anthropogenic challenges as wise and humble stewards embedded within the system.
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Affiliation(s)
- Erik F Y Hom
- Department of Biology and Center for Biodiversity and Conservation Research, University of Mississippi, University, MS 38677 USA
| | - Alexandra S Penn
- Department of Sociology and Centre for Evaluation of Complexity Across the Nexus, University of Surrey, Guildford, Surrey, GU2 7XH UK
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12
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Kraml MM. Der Mensch und seine Mikroben. DO - DEUTSCHE ZEITSCHRIFT FÜR OSTEOPATHIE 2021; 19:4-10. [DOI: 10.1055/a-1346-4153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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13
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Lyu D, Zajonc J, Pagé A, Tanney CAS, Shah A, Monjezi N, Msimbira LA, Antar M, Nazari M, Backer R, Smith DL. Plant Holobiont Theory: The Phytomicrobiome Plays a Central Role in Evolution and Success. Microorganisms 2021; 9:675. [PMID: 33805166 PMCID: PMC8064057 DOI: 10.3390/microorganisms9040675] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 03/20/2021] [Accepted: 03/23/2021] [Indexed: 12/15/2022] Open
Abstract
Under natural conditions, plants are always associated with a well-orchestrated community of microbes-the phytomicrobiome. The nature and degree of microbial effect on the plant host can be positive, neutral, or negative, and depends largely on the environment. The phytomicrobiome is integral for plant growth and function; microbes play a key role in plant nutrient acquisition, biotic and abiotic stress management, physiology regulation through microbe-to-plant signals, and growth regulation via the production of phytohormones. Relationships between the plant and phytomicrobiome members vary in intimacy, ranging from casual associations between roots and the rhizosphere microbial community, to endophytes that live between plant cells, to the endosymbiosis of microbes by the plant cell resulting in mitochondria and chloroplasts. If we consider these key organelles to also be members of the phytomicrobiome, how do we distinguish between the two? If we accept the mitochondria and chloroplasts as both members of the phytomicrobiome and the plant (entrained microbes), the influence of microbes on the evolution of plants becomes so profound that without microbes, the concept of the "plant" is not viable. This paper argues that the holobiont concept should take greater precedence in the plant sciences when referring to a host and its associated microbial community. The inclusivity of this concept accounts for the ambiguous nature of the entrained microbes and the wide range of functions played by the phytomicrobiome in plant holobiont homeostasis.
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Affiliation(s)
- Dongmei Lyu
- Department of Plant Science, Macdonald Campus, McGill University, Montréal, QC H9X 3V9, Canada; (D.L.); (J.Z.); (A.P.); (C.A.S.T.); (A.S.); (N.M.); (L.A.M.); (M.A.); (M.N.); (R.B.)
| | - Jonathan Zajonc
- Department of Plant Science, Macdonald Campus, McGill University, Montréal, QC H9X 3V9, Canada; (D.L.); (J.Z.); (A.P.); (C.A.S.T.); (A.S.); (N.M.); (L.A.M.); (M.A.); (M.N.); (R.B.)
| | - Antoine Pagé
- Department of Plant Science, Macdonald Campus, McGill University, Montréal, QC H9X 3V9, Canada; (D.L.); (J.Z.); (A.P.); (C.A.S.T.); (A.S.); (N.M.); (L.A.M.); (M.A.); (M.N.); (R.B.)
- National Research Council Canada, Aquatic and Crop Resource Development (ACRD), Montréal, QC H4P 2R2, Canada
| | - Cailun A. S. Tanney
- Department of Plant Science, Macdonald Campus, McGill University, Montréal, QC H9X 3V9, Canada; (D.L.); (J.Z.); (A.P.); (C.A.S.T.); (A.S.); (N.M.); (L.A.M.); (M.A.); (M.N.); (R.B.)
| | - Ateeq Shah
- Department of Plant Science, Macdonald Campus, McGill University, Montréal, QC H9X 3V9, Canada; (D.L.); (J.Z.); (A.P.); (C.A.S.T.); (A.S.); (N.M.); (L.A.M.); (M.A.); (M.N.); (R.B.)
| | - Nadia Monjezi
- Department of Plant Science, Macdonald Campus, McGill University, Montréal, QC H9X 3V9, Canada; (D.L.); (J.Z.); (A.P.); (C.A.S.T.); (A.S.); (N.M.); (L.A.M.); (M.A.); (M.N.); (R.B.)
| | - Levini A. Msimbira
- Department of Plant Science, Macdonald Campus, McGill University, Montréal, QC H9X 3V9, Canada; (D.L.); (J.Z.); (A.P.); (C.A.S.T.); (A.S.); (N.M.); (L.A.M.); (M.A.); (M.N.); (R.B.)
| | - Mohammed Antar
- Department of Plant Science, Macdonald Campus, McGill University, Montréal, QC H9X 3V9, Canada; (D.L.); (J.Z.); (A.P.); (C.A.S.T.); (A.S.); (N.M.); (L.A.M.); (M.A.); (M.N.); (R.B.)
| | - Mahtab Nazari
- Department of Plant Science, Macdonald Campus, McGill University, Montréal, QC H9X 3V9, Canada; (D.L.); (J.Z.); (A.P.); (C.A.S.T.); (A.S.); (N.M.); (L.A.M.); (M.A.); (M.N.); (R.B.)
| | - Rachel Backer
- Department of Plant Science, Macdonald Campus, McGill University, Montréal, QC H9X 3V9, Canada; (D.L.); (J.Z.); (A.P.); (C.A.S.T.); (A.S.); (N.M.); (L.A.M.); (M.A.); (M.N.); (R.B.)
| | - Donald L. Smith
- Department of Plant Science, Macdonald Campus, McGill University, Montréal, QC H9X 3V9, Canada; (D.L.); (J.Z.); (A.P.); (C.A.S.T.); (A.S.); (N.M.); (L.A.M.); (M.A.); (M.N.); (R.B.)
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14
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Bosch TCG, McFall-Ngai M. Animal development in the microbial world: Re-thinking the conceptual framework. Curr Top Dev Biol 2021; 141:399-427. [PMID: 33602495 PMCID: PMC8214508 DOI: 10.1016/bs.ctdb.2020.11.007] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Animals have evolved within the framework of the microbes and are constantly exposed to diverse microbiota. This dominance of the microbial world is forcing all fields of biology to question some of their most basic premises, with developmental biology being no exception. While animals under laboratory conditions can develop and live without microbes, they are far from normal, and would not survive under natural conditions, where their fitness would be strongly compromised. Since much of the undescribed biodiversity on Earth is microbial, any consideration of animal development in the absence of the recognition of microbes will be incomplete. Here, we show that animal development may never have been autonomous, rather it requires transient or persistent interactions with the microbial world. We propose that to formulate a comprehensive understanding of embryogenesis and post-embryonic development, we must recognize that symbiotic microbes provide important developmental signals and contribute in significant ways to phenotype production. This offers limitless opportunities for the field of developmental biology to expand.
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Affiliation(s)
- Thomas C G Bosch
- Zoological Institute, Christian-Albrechts-University Kiel, Kiel, Germany.
| | - Margaret McFall-Ngai
- Pacific Biosciences Research Center, Kewalo Marine Laboratory, University of Hawai'i at Mānoa, Honolulu, HI, United States
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15
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Mironov T, Sabaneyeva E. A Robust Symbiotic Relationship Between the Ciliate Paramecium multimicronucleatum and the Bacterium Ca. Trichorickettsia Mobilis. Front Microbiol 2020; 11:603335. [PMID: 33324385 PMCID: PMC7721670 DOI: 10.3389/fmicb.2020.603335] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2020] [Accepted: 10/28/2020] [Indexed: 12/22/2022] Open
Abstract
Close reciprocal interactions in symbiotic systems have suggested the holobiont concept, in which the host and its microbiota are considered as a single entity. Ciliates are known for their ability to form symbiotic associations with prokaryotes. Relationships between the partners in such systems vary from mutualism to parasitism and differ significantly in their robustness. We assessed the viability of the ciliate Paramecium multimicronucleatum and its ability to maintain its intranuclear endosymbiont Ca. Trichorickettsia mobilis (Rickettsiaceae) after treatment with antibiotics characterized by different mode of action, such as ampicillin, streptomycin, chloramphenicol, tetracycline. The presence of endosymbionts in the host cell was determined by means of living cell observations made using differential interference contrast or fluorescence in situ hybridization with the species-specific oligonucleotide probe (FISH). Administration of antibiotics traditionally used in treatments of rickettsioses, tetracycline and chloramphenicol, depending on the concentration used and the ciliate strain treated, either caused death of both, infected and control cells, or did not affect the ability of the host to maintain the intranuclear endosymbiont. The surviving cells always manifested motile bacteria in the macronucleus. Streptomycin treatment never led to the loss of endosymbionts in any of the four infected strains, and nearly all ciliates remained viable. Ampicillin treatment never caused host cell death, but resulted in formation of filamentous and immobile oval bacterial forms. Under repeated ampicillin treatments, a part of endosymbionts was registered in the host cytoplasm, as evidenced both by FISH and transmission electron microscopy. Endosymbionts located in the host cytoplasm were enclosed in vacuoles, apparently, corresponding to autophagosomes. Nevertheless, the bacteria seemed to persist in this compartment and might cause relapse of the infection. Although the antibiotic sensitivity profile of Trichorickettsia seems to resemble that of other representatives of Rickettsiaceae, causative agents of severe diseases in humans, neither of the antibiotic treatments used in this study resulted in an aposymbiotic cell line, apparently, due to the protists’ sensitivity to tetracyclines, the drugs of preference in rickettsiosis treatment. The observed robustness of this symbiotic system makes it a good model for further elaboration of the holobiont concept.
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Affiliation(s)
- Timofey Mironov
- Department of Cytology and Histology, Biological Faculty, Saint-Petersburg State University, Saint-Petersburg, Russia
| | - Elena Sabaneyeva
- Department of Cytology and Histology, Biological Faculty, Saint-Petersburg State University, Saint-Petersburg, Russia
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16
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Triviño V, Suárez J. Holobionts: Ecological communities, hybrids, or biological individuals? A metaphysical perspective on multispecies systems. STUDIES IN HISTORY AND PHILOSOPHY OF BIOLOGICAL AND BIOMEDICAL SCIENCES 2020; 84:101323. [PMID: 32788054 DOI: 10.1016/j.shpsc.2020.101323] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Revised: 05/28/2020] [Accepted: 06/09/2020] [Indexed: 06/11/2023]
Abstract
Holobionts are symbiotic assemblages composed by a macrobe host (animal or plant) plus its symbiotic microbiota. In recent years, the ontological status of holobionts has created a great amount of controversy among philosophers and biologists: are holobionts biological individuals or are they rather ecological communities of independent individuals that interact together? Chiu and Eberl have recently developed an eco-immunity account of the holobiont wherein holobionts are neither biological individuals nor ecological communities, but hybrids between a host and its microbiota. According to their account, the microbiota is not a proper part of the holobiont. Yet, it should be regarded as a set of scaffolds that support the individuality of the host. In this paper, we approach Chiu and Eberl's account from a metaphysical perspective and argue that, contrary to what the authors claim, the eco-immunity account entails that the microorganisms that compose the host's microbiota are proper parts of the holobiont. Second, we argue that by claiming that holobionts are hybrids, and therefore, not biological individuals, the authors seem to be assuming a controversial position about the ontology of hybrids, which are conventionally characterized as a type of biological individual. In doing so, our paper aligns with the contemporary tendency to incorporate metaphysical resources to shed light on current biological debates and builds on that to provide additional support to the consideration of holobionts as biological individuals from an eco-immunity perspective.
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Affiliation(s)
- Vanessa Triviño
- Department of Philosophy, Universidad Rey Juan Carlos I, Spain
| | - Javier Suárez
- Department of Philosophy, University of Bielefeld, Bielefeld, Germany.
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17
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de Oliveira BFR, Freitas-Silva J, Sánchez-Robinet C, Laport MS. Transmission of the sponge microbiome: moving towards a unified model. ENVIRONMENTAL MICROBIOLOGY REPORTS 2020; 12:619-638. [PMID: 33048474 DOI: 10.1111/1758-2229.12896] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 10/08/2020] [Accepted: 10/11/2020] [Indexed: 06/11/2023]
Abstract
Sponges have co-evolved for millions of years alongside several types of microorganisms, which aside from participating in the animal's diet, are mostly symbionts. Since most of the genetic repertoire in the holobiont genome is provided by microbes, it is expected that the host-associated microbiome will be at least partially heritable. Sponges can therefore acquire their symbionts in different ways. Both vertical transmission (VT) and horizontal transmission (HT) have different advantages and disadvantages in the life cycle of these invertebrates. However, a third mode of transmission, called leaky vertical transmission or mixed mode of transmission (MMT), which incorporates both VT and HT modes, has gained relevance and seems to be the most robust model. In that regard, the aim of this review is to present the evolving knowledge on these main modes of transmission of the sponge microbiome. Our conclusions lead us to suggest that MMT may be more common for all sponges, with its frequency varying across the transmission spectrum between species and the environment. This hybrid model supports the stable and specific transmission of these microbial partners and reinforces their assistance in the resilience of sponges over the years.
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Affiliation(s)
- Bruno Francesco Rodrigues de Oliveira
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Av. Carlos Chagas Filho, 373, Cidade Universitária, 21941-590, Rio de Janeiro, Brazil
| | - Jéssyca Freitas-Silva
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Av. Carlos Chagas Filho, 373, Cidade Universitária, 21941-590, Rio de Janeiro, Brazil
| | - Claudia Sánchez-Robinet
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Av. Carlos Chagas Filho, 373, Cidade Universitária, 21941-590, Rio de Janeiro, Brazil
| | - Marinella Silva Laport
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Av. Carlos Chagas Filho, 373, Cidade Universitária, 21941-590, Rio de Janeiro, Brazil
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18
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Salgueiro J, Pimper LE, Segura DF, Milla FH, Russo RM, Asimakis E, Stathopoulou P, Bourtzis K, Cladera JL, Tsiamis G, Lanzavecchia SB. Gut Bacteriome Analysis of Anastrepha fraterculus sp. 1 During the Early Steps of Laboratory Colonization. Front Microbiol 2020; 11:570960. [PMID: 33193166 PMCID: PMC7606190 DOI: 10.3389/fmicb.2020.570960] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Accepted: 09/25/2020] [Indexed: 11/13/2022] Open
Abstract
Microbial communities associated to insect species are involved in essential biological functions such as host nutrition, reproduction and survivability. Main factors have been described as modulators of gut bacterial community, such as diet, habit, developmental stage and taxonomy of the host. The present work focuses on the complex changes that gut microbial communities go through when wild insects are introduced to artificial rearing conditions. Specifically, we analyzed the effect of the laboratory colonization on the richness and diversity of the gut bacteriome hosted by the fruit fly pest Anastrepha fraterculus sp. 1. Bacterial profiles were studied by amplicon sequencing of the 16S rRNA V3-V4 hypervariable region in gut samples of males and females, in teneral (1-day-old, unfed) and post-teneral (15-day-old, fed) flies. A total of 3,147,665 sequence reads were obtained and 32 bacterial operational taxonomic units (OTUs) were identified. Proteobacteria was the most abundant phylum (93.3% of the total reads) and, Wolbachia and Enterobacter were the most represented taxa at the genus level (29.9% and 27.7%, respectively, of the total read counts). Wild and laboratory flies showed highly significant differences in the relative abundances of bacteria. The analysis of the core bacteriome showed the presence of five OTUs in all samples grouped by origin, while nine and five OTUs were exclusively detected in laboratory and wild flies, respectively. Irrespective of fly origin or sex, a dominant presence of Wolbachia was observed in teneral flies, whereas Enterobacter was highly abundant in post-teneral individuals. We evidenced significant differences in bacterial richness and diversity among generations under laboratory colonization (F0, F1, F3 and F6) and compared to laboratory and wild flies, displaying also differential patterns between teneral and post-teneral flies. Laboratory and wild A. fraterculus sp. 1 harbor different gut bacterial communities. Laboratory colonization has an important effect on the microbiota, most likely associated to the combined effects of insect physiology and environmental conditions (e.g., diet and colony management).
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Affiliation(s)
- Julieta Salgueiro
- Laboratorio de Insectos de Importancia Agronómica, Instituto de Genética "E.A. Favret", Centro de Investigación en Ciencias Veterinarias y Agronómicas - Instituto Nacional de Tecnología Agropecuaria, Instituto de Agrobiotecnología y Biología Molecular - Consejo Nacional de Investigaciones Científicas y Tecnológicas, Buenos Aires, Argentina.,Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Lida E Pimper
- Laboratorio de Insectos de Importancia Agronómica, Instituto de Genética "E.A. Favret", Centro de Investigación en Ciencias Veterinarias y Agronómicas - Instituto Nacional de Tecnología Agropecuaria, Instituto de Agrobiotecnología y Biología Molecular - Consejo Nacional de Investigaciones Científicas y Tecnológicas, Buenos Aires, Argentina
| | - Diego F Segura
- Laboratorio de Insectos de Importancia Agronómica, Instituto de Genética "E.A. Favret", Centro de Investigación en Ciencias Veterinarias y Agronómicas - Instituto Nacional de Tecnología Agropecuaria, Instituto de Agrobiotecnología y Biología Molecular - Consejo Nacional de Investigaciones Científicas y Tecnológicas, Buenos Aires, Argentina.,Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Fabián H Milla
- Laboratorio de Insectos de Importancia Agronómica, Instituto de Genética "E.A. Favret", Centro de Investigación en Ciencias Veterinarias y Agronómicas - Instituto Nacional de Tecnología Agropecuaria, Instituto de Agrobiotecnología y Biología Molecular - Consejo Nacional de Investigaciones Científicas y Tecnológicas, Buenos Aires, Argentina
| | - Romina M Russo
- Laboratorio de Insectos de Importancia Agronómica, Instituto de Genética "E.A. Favret", Centro de Investigación en Ciencias Veterinarias y Agronómicas - Instituto Nacional de Tecnología Agropecuaria, Instituto de Agrobiotecnología y Biología Molecular - Consejo Nacional de Investigaciones Científicas y Tecnológicas, Buenos Aires, Argentina
| | - Elias Asimakis
- Department of Environmental Engineering, University of Patras, Agrinio, Greece
| | | | - Kostas Bourtzis
- Insect Pest Control Laboratory, Joint FAO/IAEA Programme of Nuclear Techniques in Food and Agriculture, Vienna, Austria
| | - Jorge L Cladera
- Laboratorio de Insectos de Importancia Agronómica, Instituto de Genética "E.A. Favret", Centro de Investigación en Ciencias Veterinarias y Agronómicas - Instituto Nacional de Tecnología Agropecuaria, Instituto de Agrobiotecnología y Biología Molecular - Consejo Nacional de Investigaciones Científicas y Tecnológicas, Buenos Aires, Argentina
| | - George Tsiamis
- Department of Environmental Engineering, University of Patras, Agrinio, Greece
| | - Silvia B Lanzavecchia
- Laboratorio de Insectos de Importancia Agronómica, Instituto de Genética "E.A. Favret", Centro de Investigación en Ciencias Veterinarias y Agronómicas - Instituto Nacional de Tecnología Agropecuaria, Instituto de Agrobiotecnología y Biología Molecular - Consejo Nacional de Investigaciones Científicas y Tecnológicas, Buenos Aires, Argentina
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19
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Garibay-Valdez E, Martínez-Córdova LR, López-Torres MA, Almendariz-Tapia FJ, Martínez-Porchas M, Calderón K. The implication of metabolically active Vibrio spp. in the digestive tract of Litopenaeus vannamei for its post-larval development. Sci Rep 2020; 10:11428. [PMID: 32651435 PMCID: PMC7351783 DOI: 10.1038/s41598-020-68222-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Accepted: 06/11/2020] [Indexed: 11/19/2022] Open
Abstract
This work aimed to evaluate the link between the occurrence/abundance of Vibrio populations and bacterial composition in shrimp’s intestine (Litopenaeus vannamei) during post-larval ontogenetic development and in its culture water, and the correlation of these with environmental parameters. The total and metabolically active populations of Vibrio in the digestive tract of shrimp during its post-larval development were analysed using quantitative PCR (qPCR) and reverse transcription qPCR targeting the 16S rRNA gene sequence. A lab-scale shrimp bioassay was performed for 80 days in a recirculating aquarium under strictly controlled conditions. The results indicate that the Vibrio population from shrimp’s gut is associated with its developmental stage and the environment. Multivariate analyses revealed that the presence of Vibrio spp. drove the studied system, but their metabolically active performance was related to earlier developmental stages in an aqueous environment. Also, the samples taken from water of culture units to compare the influence of the aquatic environment on the intestinal microbial community during shrimp’s ontogenetic development showed significant differences. Finally, our results revealed that Vibrio is an important member of shrimp’s gut microbiota; however, its metabolic activity seems to be highly regulated, possibly by the host and by the rest of the microbiota.
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Affiliation(s)
- Estefanía Garibay-Valdez
- Centro de Investigación en Alimentos y Desarrollo A.C (CIAD), Carretera a La Victoria S/N, CP. 83304, Hermosillo, Sonora, Mexico
| | - Luis Rafael Martínez-Córdova
- Departamento de Investigaciones Científicas y Tecnológicas (DICTUS), Universidad de Sonora, Blvd. Luis Donaldo Colosio S/N, CP. 83000, Hermosillo, Sonora, Mexico
| | - Marco A López-Torres
- Departamento de Investigaciones Científicas y Tecnológicas (DICTUS), Universidad de Sonora, Blvd. Luis Donaldo Colosio S/N, CP. 83000, Hermosillo, Sonora, Mexico
| | - F Javier Almendariz-Tapia
- Departamento de Ingeniería Química y Metalurgia, Universidad de Sonora, Blvd. Luis Donaldo Colosio S/N, CP. 83000, Hermosillo, Sonora, Mexico
| | - Marcel Martínez-Porchas
- Centro de Investigación en Alimentos y Desarrollo A.C (CIAD), Carretera a La Victoria S/N, CP. 83304, Hermosillo, Sonora, Mexico
| | - Kadiya Calderón
- Departamento de Investigaciones Científicas y Tecnológicas (DICTUS), Universidad de Sonora, Blvd. Luis Donaldo Colosio S/N, CP. 83000, Hermosillo, Sonora, Mexico.
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20
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Suárez J, Stencel A. A part‐dependent account of biological individuality: why holobionts are individuals
and
ecosystems simultaneously. Biol Rev Camb Philos Soc 2020; 95:1308-1324. [DOI: 10.1111/brv.12610] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 04/22/2020] [Accepted: 04/24/2020] [Indexed: 12/11/2022]
Affiliation(s)
- Javier Suárez
- Department of Philosophy, Logos/BIAP University of Barcelona C/Montalegre 6 Barcelona E‐08001 Spain
- Egenis – The Centre for the Study of Life Sciences University of Exeter St. German's Rd Exeter EX4 4PJ U.K
| | - Adrian Stencel
- Institute of Philosophy Jagiellonian University Kraków 31‐044 Poland
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21
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Baedke J, Fábregas‐Tejeda A, Nieves Delgado A. The holobiont concept before Margulis. JOURNAL OF EXPERIMENTAL ZOOLOGY PART B-MOLECULAR AND DEVELOPMENTAL EVOLUTION 2020; 334:149-155. [DOI: 10.1002/jez.b.22931] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Revised: 01/22/2020] [Accepted: 01/24/2020] [Indexed: 12/13/2022]
Affiliation(s)
- Jan Baedke
- Department of Philosophy IRuhr University BochumBochum Germany
- Institute of Zoology and Evolutionary ResearchFriedrich‐Schiller‐UniversityJena Germany
| | - Alejandro Fábregas‐Tejeda
- Department of Philosophy IRuhr University BochumBochum Germany
- Institute of BiologyNational Autonomous University of Mexico (UNAM) Circuito Exterior Ciudad Universitaria S/N Mexico City Mexico
| | - Abigail Nieves Delgado
- Department of Philosophy IRuhr University BochumBochum Germany
- Centre for Anthropological Knowledge in Scientific and Technological Cultures (CAST)Ruhr University BochumBochum Germany
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22
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News Feature: Do hosts and their microbes evolve as a unit? Proc Natl Acad Sci U S A 2020; 116:14391-14394. [PMID: 31311888 DOI: 10.1073/pnas.1908139116] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
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23
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Leitão AL, Costa MC, Gabriel AF, Enguita FJ. Interspecies Communication in Holobionts by Non-Coding RNA Exchange. Int J Mol Sci 2020; 21:ijms21072333. [PMID: 32230931 PMCID: PMC7177868 DOI: 10.3390/ijms21072333] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 03/24/2020] [Accepted: 03/26/2020] [Indexed: 12/18/2022] Open
Abstract
Complex organisms are associations of different cells that coexist and collaborate creating a living consortium, the holobiont. The relationships between the holobiont members are essential for proper homeostasis of the organisms, and they are founded on the establishment of complex inter-connections between all the cells. Non-coding RNAs are regulatory molecules that can also act as communication signals between cells, being involved in either homeostasis or dysbiosis of the holobionts. Eukaryotic and prokaryotic cells can transmit signals via non-coding RNAs while using specific extracellular conveyors that travel to the target cell and can be translated into a regulatory response by dedicated molecular machinery. Within holobionts, non-coding RNA regulatory signaling is involved in symbiotic and pathogenic relationships among the cells. This review analyzes current knowledge regarding the role of non-coding RNAs in cell-to-cell communication, with a special focus on the signaling between cells in multi-organism consortia.
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Affiliation(s)
- Ana Lúcia Leitão
- Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Campus da Caparica, 2829-516 Caparica, Portugal;
- MEtRICs, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Campus da Caparica, 2829-516 Caparica, Portugal
| | - Marina C. Costa
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028 Lisboa, Portugal; (M.C.C.); (A.F.G.)
| | - André F. Gabriel
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028 Lisboa, Portugal; (M.C.C.); (A.F.G.)
| | - Francisco J. Enguita
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028 Lisboa, Portugal; (M.C.C.); (A.F.G.)
- Correspondence: ; Tel.: +351-217999480
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24
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Tomáška Ľ, Nosek J. Co-evolution in the Jungle: From Leafcutter Ant Colonies to Chromosomal Ends. J Mol Evol 2020; 88:293-318. [PMID: 32157325 DOI: 10.1007/s00239-020-09935-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Accepted: 02/25/2020] [Indexed: 02/06/2023]
Abstract
Biological entities are multicomponent systems where each part is directly or indirectly dependent on the others. In effect, a change in a single component might have a consequence on the functioning of its partners, thus affecting the fitness of the entire system. In this article, we provide a few examples of such complex biological systems, ranging from ant colonies to a population of amino acids within a single-polypeptide chain. Based on these examples, we discuss one of the central and still challenging questions in biology: how do such multicomponent consortia co-evolve? More specifically, we ask how telomeres, nucleo-protein complexes protecting the integrity of linear DNA chromosomes, originated from the ancestral organisms having circular genomes and thus not dealing with end-replication and end-protection problems. Using the examples of rapidly evolving topologies of mitochondrial genomes in eukaryotic microorganisms, we show what means of co-evolution were employed to accommodate various types of telomere-maintenance mechanisms in mitochondria. We also describe an unprecedented runaway evolution of telomeric repeats in nuclei of ascomycetous yeasts accompanied by co-evolution of telomere-associated proteins. We propose several scenarios derived from research on telomeres and supported by other studies from various fields of biology, while emphasizing that the relevant answers are still not in sight. It is this uncertainty and a lack of a detailed roadmap that makes the journey through the jungle of biological systems still exciting and worth undertaking.
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Affiliation(s)
- Ľubomír Tomáška
- Department of Genetics, Faculty of Natural Sciences, Comenius University in Bratislava, Ilkovičova 6, 842 15, Bratislava, Slovakia.
| | - Jozef Nosek
- Department of Biochemistry, Faculty of Natural Sciences, Comenius University in Bratislava, Ilkovičova 6, 842 15, Bratislava, Slovakia
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Li Y, Rebuffat S. The manifold roles of microbial ribosomal peptide-based natural products in physiology and ecology. J Biol Chem 2020; 295:34-54. [PMID: 31784450 PMCID: PMC6952617 DOI: 10.1074/jbc.rev119.006545] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
The ribosomally synthesized and posttranslationally modified peptides (RiPPs), also called ribosomal peptide natural products (RPNPs), form a growing superfamily of natural products that are produced by many different organisms and particularly by bacteria. They are derived from precursor polypeptides whose modification by various dedicated enzymes helps to establish a vast array of chemical motifs. RiPPs have attracted much interest as a source of potential therapeutic agents, and in particular as alternatives to conventional antibiotics to address the bacterial resistance crisis. However, their ecological roles in nature are poorly understood and explored. The present review describes major RiPP actors in competition within microbial communities, the main ecological and physiological functions currently evidenced for RiPPs, and the microbial ecosystems that are the sites for these functions. We envision that the study of RiPPs may lead to discoveries of new biological functions and highlight that a better knowledge of how bacterial RiPPs mediate inter-/intraspecies and interkingdom interactions will hold promise for devising alternative strategies in antibiotic development.
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Affiliation(s)
- Yanyan Li
- Laboratory Molecules of Communication and Adaptation of Microorganisms (MCAM, UMR 7245 CNRS-MNHN), National Museum of Natural History (MNHN), CNRS, CP 54, 57 rue Cuvier 75005, Paris, France.
| | - Sylvie Rebuffat
- Laboratory Molecules of Communication and Adaptation of Microorganisms (MCAM, UMR 7245 CNRS-MNHN), National Museum of Natural History (MNHN), CNRS, CP 54, 57 rue Cuvier 75005, Paris, France.
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Koch EJ, McFall-Ngai M. Model systems for the study of how symbiotic associations between animals and extracellular bacterial partners are established and maintained. DRUG DISCOVERY TODAY. DISEASE MODELS 2019; 28:3-12. [PMID: 32855643 PMCID: PMC7449258 DOI: 10.1016/j.ddmod.2019.08.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
This contribution describes the current state of experimental model development and use as a strategy for gaining insight into the form and function of certain types of host-microbe associations. Development of quality models for the study of symbiotic systems will be critical not only to facilitate an understanding of mechanisms underlying symbiosis, but also for providing insights into how drug development can promote healthy animal-microbe interactions as well as the treatment of pathogenic infections. Because of the growing awareness over the last decade of the importance of symbiosis in biology, a number of model systems has emerged to examine how these partnerships are maintained within and across generations of the host. The focus here will be upon host-bacterial symbiotic systems that, as in humans, (i) are acquired from the environment each generation, or horizontally transmitted, and (ii) are defined by interactions at the interface of their cellular boundaries, i.e., extracellular symbiotic associations. As with the use of models in other fields of biology where complexity is daunting (e.g., developmental biology or brain circuitry), each model has its strengths and weaknesses, i.e., no one model system will provide easy access to all the questions defining what is conserved in cell-cell interactions in symbiosis and what creates diversity within such partnerships. Rather, as discussed here, the more models explored, the richer our understanding of these associations is likely to be.
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Affiliation(s)
- Eric J. Koch
- Kewalo Marine Laboratory, University of Hawaiʻi at Mānoa, 41 Ahui Street, Honolulu, Hawaii 96813 USA
| | - Margaret McFall-Ngai
- Kewalo Marine Laboratory, University of Hawaiʻi at Mānoa, 41 Ahui Street, Honolulu, Hawaii 96813 USA
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