1
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Pinto J, Lami R, Krasovec M, Grimaud R, Urios L, Lupette J, Escande ML, Sanchez F, Intertaglia L, Grimsley N, Piganeau G, Sanchez-Brosseau S. Features of the Opportunistic Behaviour of the Marine Bacterium Marinobacter algicola in the Microalga Ostreococcus tauri Phycosphere. Microorganisms 2021; 9:microorganisms9081777. [PMID: 34442856 PMCID: PMC8399681 DOI: 10.3390/microorganisms9081777] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 08/07/2021] [Accepted: 08/10/2021] [Indexed: 11/16/2022] Open
Abstract
Although interactions between microalgae and bacteria are observed in both natural environment and the laboratory, the modalities of coexistence of bacteria inside microalgae phycospheres in laboratory cultures are mostly unknown. Here, we focused on well-controlled cultures of the model green picoalga Ostreococcus tauri and the most abundant member of its phycosphere, Marinobacter algicola. The prevalence of M. algicola in O. tauri cultures raises questions about how this bacterium maintains itself under laboratory conditions in the microalga culture. The results showed that M. algicola did not promote O. tauri growth in the absence of vitamin B12 while M. algicola depended on O. tauri to grow in synthetic medium, most likely to obtain organic carbon sources provided by the microalgae. M. algicola grew on a range of lipids, including triacylglycerols that are known to be produced by O. tauri in culture during abiotic stress. Genomic screening revealed the absence of genes of two particular modes of quorum-sensing in Marinobacter genomes which refutes the idea that these bacterial communication systems operate in this genus. To date, the ‘opportunistic’ behaviour of M. algicola in the laboratory is limited to several phytoplanktonic species including Chlorophyta such as O. tauri. This would indicate a preferential occurrence of M. algicola in association with these specific microalgae under optimum laboratory conditions.
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Affiliation(s)
- Jordan Pinto
- Sorbonne Université, CNRS, UMR 7232 Biologie Intégrative des Organismes Marins (BIOM), Observatoire Océanologique, 66650 Banyuls-sur-Mer, France; (J.P.); (M.K.); (J.L.); (F.S.); (N.G.); (G.P.)
| | - Raphaël Lami
- Sorbonne Université, CNRS, USR 3579 Laboratoire de Biodiversité et Biotechnologies Microbiennes (LBBM), Observatoire Océanologique, 66650 Banyuls-sur-Mer, France;
| | - Marc Krasovec
- Sorbonne Université, CNRS, UMR 7232 Biologie Intégrative des Organismes Marins (BIOM), Observatoire Océanologique, 66650 Banyuls-sur-Mer, France; (J.P.); (M.K.); (J.L.); (F.S.); (N.G.); (G.P.)
- Department of Plant Sciences, University of Oxford, Oxford OX1 3RB, UK
| | - Régis Grimaud
- Université de Pau et des Pays de l’Adour, E2S UPPA, CNRS, IPREM, 64000 Pau, France; (R.G.); (L.U.)
| | - Laurent Urios
- Université de Pau et des Pays de l’Adour, E2S UPPA, CNRS, IPREM, 64000 Pau, France; (R.G.); (L.U.)
| | - Josselin Lupette
- Sorbonne Université, CNRS, UMR 7232 Biologie Intégrative des Organismes Marins (BIOM), Observatoire Océanologique, 66650 Banyuls-sur-Mer, France; (J.P.); (M.K.); (J.L.); (F.S.); (N.G.); (G.P.)
- Université de Bordeaux, CNRS, UMR 5200 Laboratoire de Biogenèse Membranaire, 33140 Villenave d’Ornon, France
| | - Marie-Line Escande
- Sorbonne Université, CNRS, FR 3724, Observatoire Océanologique, 66650 Banyuls-sur-Mer, France; (M.-L.E.); (L.I.)
| | - Frédéric Sanchez
- Sorbonne Université, CNRS, UMR 7232 Biologie Intégrative des Organismes Marins (BIOM), Observatoire Océanologique, 66650 Banyuls-sur-Mer, France; (J.P.); (M.K.); (J.L.); (F.S.); (N.G.); (G.P.)
| | - Laurent Intertaglia
- Sorbonne Université, CNRS, FR 3724, Observatoire Océanologique, 66650 Banyuls-sur-Mer, France; (M.-L.E.); (L.I.)
| | - Nigel Grimsley
- Sorbonne Université, CNRS, UMR 7232 Biologie Intégrative des Organismes Marins (BIOM), Observatoire Océanologique, 66650 Banyuls-sur-Mer, France; (J.P.); (M.K.); (J.L.); (F.S.); (N.G.); (G.P.)
| | - Gwenaël Piganeau
- Sorbonne Université, CNRS, UMR 7232 Biologie Intégrative des Organismes Marins (BIOM), Observatoire Océanologique, 66650 Banyuls-sur-Mer, France; (J.P.); (M.K.); (J.L.); (F.S.); (N.G.); (G.P.)
| | - Sophie Sanchez-Brosseau
- Sorbonne Université, CNRS, UMR 7232 Biologie Intégrative des Organismes Marins (BIOM), Observatoire Océanologique, 66650 Banyuls-sur-Mer, France; (J.P.); (M.K.); (J.L.); (F.S.); (N.G.); (G.P.)
- Correspondence:
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2
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Krasovec M, Rickaby REM, Filatov DA. Evolution of Mutation Rate in Astronomically Large Phytoplankton Populations. Genome Biol Evol 2021; 12:1051-1059. [PMID: 32645145 PMCID: PMC7486954 DOI: 10.1093/gbe/evaa131] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/02/2020] [Indexed: 02/06/2023] Open
Abstract
Genetic diversity is expected to be proportional to population size, yet, there is a well-known, but unexplained lack of genetic diversity in large populations-the "Lewontin's paradox." Larger populations are expected to evolve lower mutation rates, which may help to explain this paradox. Here, we test this conjecture by measuring the spontaneous mutation rate in a ubiquitous unicellular marine phytoplankton species Emiliania huxleyi (Haptophyta) that has modest genetic diversity despite an astronomically large population size. Genome sequencing of E. huxleyi mutation accumulation lines revealed 455 mutations, with an unusual GC-biased mutation spectrum. This yielded an estimate of the per site mutation rate µ = 5.55×10-10 (CI 95%: 5.05×10-10 - 6.09×10-10), which corresponds to an effective population size Ne ∼ 2.7×106. Such a modest Ne is surprising for a ubiquitous and abundant species that accounts for up to 10% of global primary productivity in the oceans. Our results indicate that even exceptionally large populations do not evolve mutation rates lower than ∼10-10 per nucleotide per cell division. Consequently, the extreme disparity between modest genetic diversity and astronomically large population size in the plankton species cannot be explained by an unusually low mutation rate.
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Affiliation(s)
- Marc Krasovec
- Department of Plant Sciences, University of Oxford, United Kingdom
| | | | - Dmitry A Filatov
- Department of Plant Sciences, University of Oxford, United Kingdom
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3
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Yau S, Krasovec M, Benites LF, Rombauts S, Groussin M, Vancaester E, Aury JM, Derelle E, Desdevises Y, Escande ML, Grimsley N, Guy J, Moreau H, Sanchez-Brosseau S, van de Peer Y, Vandepoele K, Gourbiere S, Piganeau G. Virus-host coexistence in phytoplankton through the genomic lens. SCIENCE ADVANCES 2020; 6:eaay2587. [PMID: 32270031 PMCID: PMC7112755 DOI: 10.1126/sciadv.aay2587] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Accepted: 01/09/2020] [Indexed: 05/02/2023]
Abstract
Virus-microbe interactions in the ocean are commonly described by "boom and bust" dynamics, whereby a numerically dominant microorganism is lysed and replaced by a virus-resistant one. Here, we isolated a microalga strain and its infective dsDNA virus whose dynamics are characterized instead by parallel growth of both the microalga and the virus. Experimental evolution of clonal lines revealed that this viral production originates from the lysis of a minority of virus-susceptible cells, which are regenerated from resistant cells. Whole-genome sequencing demonstrated that this resistant-susceptible switch involved a large deletion on one chromosome. Mathematical modeling explained how the switch maintains stable microalga-virus population dynamics consistent with their observed growth pattern. Comparative genomics confirmed an ancient origin of this "accordion" chromosome despite a lack of sequence conservation. Together, our results show how dynamic genomic rearrangements may account for a previously overlooked coexistence mechanism in microalgae-virus interactions.
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Affiliation(s)
- Sheree Yau
- Sorbonne Université, CNRS, UMR 7232 Biologie Intégrative des Organismes Marins (BIOM), Observatoire Océanologique, F-66650 Banyuls-sur-Mer, France
- Department of Marine Biology and Oceanography, Institute of Marine Sciences (ICM), CSIC, Barcelona, Spain
- Corresponding author. (G.P.); (S.Y.)
| | - Marc Krasovec
- Sorbonne Université, CNRS, UMR 7232 Biologie Intégrative des Organismes Marins (BIOM), Observatoire Océanologique, F-66650 Banyuls-sur-Mer, France
| | - L. Felipe Benites
- Sorbonne Université, CNRS, UMR 7232 Biologie Intégrative des Organismes Marins (BIOM), Observatoire Océanologique, F-66650 Banyuls-sur-Mer, France
| | - Stephane Rombauts
- Ghent University, Department of Plant Biotechnology and Bioinformatics, Technologiepark-Zwijnaarde 71, 9052 Ghent, Belgium
- VIB Center for Plant Systems Biology, Technologiepark-Zwijnaarde 71, 9052 Ghent, Belgium
| | - Mathieu Groussin
- Department of Biological Engineering, Massachusetts Institute of Technology, 500 Technology Square NE47-378, Cambridge, MA 02139, USA
| | - Emmelien Vancaester
- Ghent University, Department of Plant Biotechnology and Bioinformatics, Technologiepark-Zwijnaarde 71, 9052 Ghent, Belgium
- VIB Center for Plant Systems Biology, Technologiepark-Zwijnaarde 71, 9052 Ghent, Belgium
| | - Jean-Marc Aury
- Genoscope, Institut de biologie François Jacob, Commissariat à l’Energie Atomique (CEA), Université Paris-Saclay, Evry, France
| | - Evelyne Derelle
- Sorbonne Université, CNRS, UMR 7232 Biologie Intégrative des Organismes Marins (BIOM), Observatoire Océanologique, F-66650 Banyuls-sur-Mer, France
- Univ. Brest, CNRS, IRD, Ifremer, LEMAR, F-29280 Plouzane, France
| | - Yves Desdevises
- Sorbonne Université, CNRS, UMR 7232 Biologie Intégrative des Organismes Marins (BIOM), Observatoire Océanologique, F-66650 Banyuls-sur-Mer, France
| | - Marie-Line Escande
- Sorbonne Université, CNRS, UMR 7232 Biologie Intégrative des Organismes Marins (BIOM), Observatoire Océanologique, F-66650 Banyuls-sur-Mer, France
| | - Nigel Grimsley
- Sorbonne Université, CNRS, UMR 7232 Biologie Intégrative des Organismes Marins (BIOM), Observatoire Océanologique, F-66650 Banyuls-sur-Mer, France
| | - Julie Guy
- Genoscope, Institut de biologie François Jacob, Commissariat à l’Energie Atomique (CEA), Université Paris-Saclay, Evry, France
| | - Hervé Moreau
- Sorbonne Université, CNRS, UMR 7232 Biologie Intégrative des Organismes Marins (BIOM), Observatoire Océanologique, F-66650 Banyuls-sur-Mer, France
| | - Sophie Sanchez-Brosseau
- Sorbonne Université, CNRS, UMR 7232 Biologie Intégrative des Organismes Marins (BIOM), Observatoire Océanologique, F-66650 Banyuls-sur-Mer, France
| | - Yves van de Peer
- Ghent University, Department of Plant Biotechnology and Bioinformatics, Technologiepark-Zwijnaarde 71, 9052 Ghent, Belgium
- VIB Center for Plant Systems Biology, Technologiepark-Zwijnaarde 71, 9052 Ghent, Belgium
- Department of Biochemistry, Genetics and Microbiology, University of Pretoria, Pretoria 0028, South Africa
| | - Klaas Vandepoele
- Ghent University, Department of Plant Biotechnology and Bioinformatics, Technologiepark-Zwijnaarde 71, 9052 Ghent, Belgium
- VIB Center for Plant Systems Biology, Technologiepark-Zwijnaarde 71, 9052 Ghent, Belgium
| | - Sebastien Gourbiere
- Laboratoire Génome et Développement des Plantes, Université de Perpignan Via Domitia, UMR 5096, 52 Avenue Paul Alduy, 66860 Perpignan, France
| | - Gwenael Piganeau
- Sorbonne Université, CNRS, UMR 7232 Biologie Intégrative des Organismes Marins (BIOM), Observatoire Océanologique, F-66650 Banyuls-sur-Mer, France
- Corresponding author. (G.P.); (S.Y.)
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Krasovec M, Sanchez-Brosseau S, Piganeau G. First Estimation of the Spontaneous Mutation Rate in Diatoms. Genome Biol Evol 2020; 11:1829-1837. [PMID: 31218358 PMCID: PMC6604790 DOI: 10.1093/gbe/evz130] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/17/2019] [Indexed: 12/25/2022] Open
Abstract
Mutations are the origin of genetic diversity, and the mutation rate is a fundamental parameter to understand all aspects of molecular evolution. The combination of mutation-accumulation experiments and high-throughput sequencing enabled the estimation of mutation rates in most model organisms, but several major eukaryotic lineages remain unexplored. Here, we report the first estimation of the spontaneous mutation rate in a model unicellular eukaryote from the Stramenopile kingdom, the diatom Phaeodactylum tricornutum (strain RCC2967). We sequenced 36 mutation accumulation lines for an average of 181 generations per line and identified 156 de novo mutations. The base substitution mutation rate per site per generation is μbs = 4.77 × 10-10 and the insertion-deletion mutation rate is μid = 1.58 × 10-11. The mutation rate varies as a function of the nucleotide context and is biased toward an excess of mutations from GC to AT, consistent with previous observations in other species. Interestingly, the mutation rates between the genomes of organelles and the nucleus differ, with a significantly higher mutation rate in the mitochondria. This confirms previous claims based on indirect estimations of the mutation rate in mitochondria of photosynthetic eukaryotes that acquired their plastid through a secondary endosymbiosis. This novel estimate enables us to infer the effective population size of P. tricornutum to be Ne∼8.72 × 106.
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Affiliation(s)
- Marc Krasovec
- Sorbonne Universités, UPMC Univ Paris 06, CNRS, Biologie Intégrative des Organismes Marins (BIOM), Observatoire Océanologique, Banyuls/Mer, France
| | - Sophie Sanchez-Brosseau
- Sorbonne Universités, UPMC Univ Paris 06, CNRS, Biologie Intégrative des Organismes Marins (BIOM), Observatoire Océanologique, Banyuls/Mer, France
| | - Gwenael Piganeau
- Sorbonne Universités, UPMC Univ Paris 06, CNRS, Biologie Intégrative des Organismes Marins (BIOM), Observatoire Océanologique, Banyuls/Mer, France.,Department of Plant Sciences, University of Oxford, Oxford, United Kingdom
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5
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Katju V, Bergthorsson U. Old Trade, New Tricks: Insights into the Spontaneous Mutation Process from the Partnering of Classical Mutation Accumulation Experiments with High-Throughput Genomic Approaches. Genome Biol Evol 2019; 11:136-165. [PMID: 30476040 PMCID: PMC6330053 DOI: 10.1093/gbe/evy252] [Citation(s) in RCA: 77] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/22/2018] [Indexed: 12/17/2022] Open
Abstract
Mutations spawn genetic variation which, in turn, fuels evolution. Hence, experimental investigations into the rate and fitness effects of spontaneous mutations are central to the study of evolution. Mutation accumulation (MA) experiments have served as a cornerstone for furthering our understanding of spontaneous mutations for four decades. In the pregenomic era, phenotypic measurements of fitness-related traits in MA lines were used to indirectly estimate key mutational parameters, such as the genomic mutation rate, new mutational variance per generation, and the average fitness effect of mutations. Rapidly emerging next-generating sequencing technology has supplanted this phenotype-dependent approach, enabling direct empirical estimates of the mutation rate and a more nuanced understanding of the relative contributions of different classes of mutations to the standing genetic variation. Whole-genome sequencing of MA lines bears immense potential to provide a unified account of the evolutionary process at multiple levels-the genetic basis of variation, and the evolutionary dynamics of mutations under the forces of selection and drift. In this review, we have attempted to synthesize key insights into the spontaneous mutation process that are rapidly emerging from the partnering of classical MA experiments with high-throughput sequencing, with particular emphasis on the spontaneous rates and molecular properties of different mutational classes in nuclear and mitochondrial genomes of diverse taxa, the contribution of mutations to the evolution of gene expression, and the rate and stability of transgenerational epigenetic modifications. Future advances in sequencing technologies will enable greater species representation to further refine our understanding of mutational parameters and their functional consequences.
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Affiliation(s)
- Vaishali Katju
- Department of Veterinary Integrative Biosciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX 77843-4458
| | - Ulfar Bergthorsson
- Department of Veterinary Integrative Biosciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX 77843-4458
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6
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Woodruff RC, Balinski MA. Increase in viability due to the accumulation of X chromosome mutations in Drosophila melanogaster males. Genetica 2018; 146:323-328. [PMID: 29744733 DOI: 10.1007/s10709-018-0023-1] [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: 01/03/2018] [Accepted: 05/05/2018] [Indexed: 10/16/2022]
Abstract
To increase our understanding of the role of new X-chromosome mutations in adaptive evolution, single-X Drosophila melanogaster males were mated with attached-X chromosome females, allowing the male X chromosome to accumulate mutations over 28 generations. Contrary to our hypothesis that male viability would decrease over time, due to the accumulation and expression of X-linked recessive deleterious mutations in hemizygous males, viability significantly increased. This increase may be attributed to germinal selection and to new X-linked beneficial or compensatory mutations, possibly supporting the faster-X hypothesis.
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Affiliation(s)
- Ronny C Woodruff
- Department of Biological Sciences, Bowling Green State University, Bowling Green, OH, 43403, USA.
| | - Michael A Balinski
- Department of Biological Sciences, Bowling Green State University, Bowling Green, OH, 43403, USA
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Krasovec M, Eyre-Walker A, Sanchez-Ferandin S, Piganeau G. Spontaneous Mutation Rate in the Smallest Photosynthetic Eukaryotes. Mol Biol Evol 2017; 34:1770-1779. [PMID: 28379581 PMCID: PMC5455958 DOI: 10.1093/molbev/msx119] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Mutation is the ultimate source of genetic variation, and knowledge of mutation rates is fundamental for our understanding of all evolutionary processes. High throughput sequencing of mutation accumulation lines has provided genome wide spontaneous mutation rates in a dozen model species, but estimates from nonmodel organisms from much of the diversity of life are very limited. Here, we report mutation rates in four haploid marine bacterial-sized photosynthetic eukaryotic algae; Bathycoccus prasinos, Ostreococcus tauri, Ostreococcus mediterraneus, and Micromonas pusilla. The spontaneous mutation rate between species varies from μ = 4.4 × 10-10 to 9.8 × 10-10 mutations per nucleotide per generation. Within genomes, there is a two-fold increase of the mutation rate in intergenic regions, consistent with an optimization of mismatch and transcription-coupled DNA repair in coding sequences. Additionally, we show that deviation from the equilibrium GC content increases the mutation rate by ∼2% to ∼12% because of a GC bias in coding sequences. More generally, the difference between the observed and equilibrium GC content of genomes explains some of the inter-specific variation in mutation rates.
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Affiliation(s)
- Marc Krasovec
- Sorbonne Universités, UPMC Univ Paris 06, CNRS, Biologie Intégrative des Organismes Marins (BIOM), Observatoire Océanologique, Banyuls/Mer, France
| | - Adam Eyre-Walker
- Evolution, behaviour and environment, School of Life Sciences, University of Sussex, Brighton, United Kingdom
| | - Sophie Sanchez-Ferandin
- Sorbonne Universités, UPMC Univ Paris 06, CNRS, Biologie Intégrative des Organismes Marins (BIOM), Observatoire Océanologique, Banyuls/Mer, France
| | - Gwenael Piganeau
- Sorbonne Universités, UPMC Univ Paris 06, CNRS, Biologie Intégrative des Organismes Marins (BIOM), Observatoire Océanologique, Banyuls/Mer, France
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8
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Lupette J, Lami R, Krasovec M, Grimsley N, Moreau H, Piganeau G, Sanchez-Ferandin S. Marinobacter Dominates the Bacterial Community of the Ostreococcus tauri Phycosphere in Culture. Front Microbiol 2016; 7:1414. [PMID: 27656176 PMCID: PMC5013054 DOI: 10.3389/fmicb.2016.01414] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2016] [Accepted: 08/26/2016] [Indexed: 11/13/2022] Open
Abstract
Microalgal–bacterial interactions are commonly found in marine environments and are well known in diatom cultures maintained in laboratory. These interactions also exert strong effects on bacterial and algal diversity in the oceans. Small green eukaryote algae of the class Mamiellophyceae (Chlorophyta) are ubiquitous and some species, such as Ostreococcus spp., are particularly important in Mediterranean coastal lagoons, and are observed as dominant species during phytoplankton blooms in open sea. Despite this, little is known about the diversity of bacteria that might facilitate or hinder O. tauri growth. We show, using rDNA 16S sequences, that the bacterial community found in O. tauri RCC4221 laboratory cultures is dominated by γ-proteobacteria from the Marinobacter genus, regardless of the growth phase of O. tauri RCC4221, the photoperiod used, or the nutrient conditions (limited in nitrogen or phosphorous) tested. Several strains of Marinobacter algicola were detected, all closely related to strains found in association with taxonomically distinct organisms, particularly with dinoflagellates and coccolithophorids. These sequences were more distantly related to M. adhaerens, M. aquaeoli and bacteria usually associated to euglenoids. This is the first time, to our knowledge, that distinct Marinobacter strains have been found to be associated with a green alga in culture.
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Affiliation(s)
- Josselin Lupette
- Sorbonne Universités, Université Pierre et Marie Curie Paris 06, UMR 7232 Biologie Intégrative des Organismes Marins, Observatoire OcéanologiqueBanyuls-sur-Mer, France; Centre National de la Recherche Scientifique, UMR 7232 Biologie Intégrative des Organismes Marins, Observatoire OcéanologiqueBanyuls-sur-Mer, France; CEA/CNRS/INRA/Université Grenoble Alpes, UMR 5168 Laboratoire Physiologie Cellulaire VégétaleGrenoble, France
| | - Raphaël Lami
- Sorbonne Universités, Université Pierre et Marie Curie Paris 06, USR 3579 Laboratoire de Biodiversité et Biotechnologies Microbiennes, Observatoire OcéanologiqueBanyuls-sur-Mer, France; Centre National de la Recherche Scientifique, USR 3579 Laboratoire de Biodiversité et Biotechnologies Microbiennes, Observatoire OcéanologiqueBanyuls-sur-Mer, France
| | - Marc Krasovec
- Sorbonne Universités, Université Pierre et Marie Curie Paris 06, UMR 7232 Biologie Intégrative des Organismes Marins, Observatoire OcéanologiqueBanyuls-sur-Mer, France; Centre National de la Recherche Scientifique, UMR 7232 Biologie Intégrative des Organismes Marins, Observatoire OcéanologiqueBanyuls-sur-Mer, France
| | - Nigel Grimsley
- Sorbonne Universités, Université Pierre et Marie Curie Paris 06, UMR 7232 Biologie Intégrative des Organismes Marins, Observatoire OcéanologiqueBanyuls-sur-Mer, France; Centre National de la Recherche Scientifique, UMR 7232 Biologie Intégrative des Organismes Marins, Observatoire OcéanologiqueBanyuls-sur-Mer, France
| | - Hervé Moreau
- Sorbonne Universités, Université Pierre et Marie Curie Paris 06, UMR 7232 Biologie Intégrative des Organismes Marins, Observatoire OcéanologiqueBanyuls-sur-Mer, France; Centre National de la Recherche Scientifique, UMR 7232 Biologie Intégrative des Organismes Marins, Observatoire OcéanologiqueBanyuls-sur-Mer, France
| | - Gwenaël Piganeau
- Sorbonne Universités, Université Pierre et Marie Curie Paris 06, UMR 7232 Biologie Intégrative des Organismes Marins, Observatoire OcéanologiqueBanyuls-sur-Mer, France; Centre National de la Recherche Scientifique, UMR 7232 Biologie Intégrative des Organismes Marins, Observatoire OcéanologiqueBanyuls-sur-Mer, France
| | - Sophie Sanchez-Ferandin
- Sorbonne Universités, Université Pierre et Marie Curie Paris 06, UMR 7232 Biologie Intégrative des Organismes Marins, Observatoire OcéanologiqueBanyuls-sur-Mer, France; Centre National de la Recherche Scientifique, UMR 7232 Biologie Intégrative des Organismes Marins, Observatoire OcéanologiqueBanyuls-sur-Mer, France
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