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1

Flores, J. M., G. Bourdin, O. Altaratz, et al. "Marine Aerosols: Measurements by the Tara Pacific Expedition." Bulletin of the American Meteorological Society 101, no. 6 (2020): 499–504. http://dx.doi.org/10.1175/bams-d-18-0224.a.

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2

BOISSIN, E., C. POGOREUTZ, A. PEY, N. GRAVIER-BONNET, and S. PLANES. "Millepora platyphylla (Cnidaria, Hydrozoa) range extended back to the Eastern Pacific, thanks to a new record from Clipperton Atoll." Zootaxa 4668, no. 4 (2019): 599–600. http://dx.doi.org/10.11646/zootaxa.4668.4.11.

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The fire coral Millepora platyphylla Hemprich & Ehrenberg, 1834 (Cnidaria, Hydrozoa) has a widespread Indo-Pacific distribution observed from the surface to 40 m (Razak & Hoeksema 2003). However, its extirpation from the East Pacific (Gulf of Chiriqui, Panama) was documented after the 1982-1983 bleaching event (Glynn & Weerdt 1991). Here, we report the discovery of 5 colonies of M. platyphylla from the eastern Pacific, specifically at Clipperton Atoll, during the TARA Pacific expedition (www.taraexpeditions.org).
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3

RIAUX-GOBIN, CATHERINE, ANDRZEJ WITKOWSKI, RICHARD W. JORDAN, VALERIANO PARRAVICINI, and SERGE PLANES. "Cocconeis kurakakea, a new diatom species from Nukutavake (Tuamotu Archipelago, South Pacific): description and comparison with C. diruptoides and C. pseudodiruptoides." Phytotaxa 349, no. 2 (2018): 115. http://dx.doi.org/10.11646/phytotaxa.349.2.2.

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During the ‘Tara Pacific 2016–2018 Expedition’, marine benthic diatom samples were collected from several Tuamotu atolls in the South Pacific. Preparation and examination of these samples were conducted following standard methods including light and scanning electron microscopy. A small-celled taxon from the genus Cocconeis Ehrenb. (Bacillariophyceae) is described from the Nukutavake reef, and compared to several other taxa for which the definition is not always clear (e.g., Cocconeis diruptoides Hust. and Cocconeis pseudodiruptoides Foged). The new taxon is present only on one of the investig
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4

Flores, J. M., G. Bourdin, O. Altaratz, et al. "Tara Pacific Expedition’s Atmospheric Measurements of Marine Aerosols across the Atlantic and Pacific Oceans: Overview and Preliminary Results." Bulletin of the American Meteorological Society 101, no. 5 (2020): E536—E554. http://dx.doi.org/10.1175/bams-d-18-0224.1.

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Abstract Marine aerosols play a significant role in the global radiative budget, in clouds’ processes, and in the chemistry of the marine atmosphere. There is a critical need to better understand their production mechanisms, composition, chemical properties, and the contribution of ocean-derived biogenic matter to their mass and number concentration. Here we present an overview of a new dataset of in situ measurements of marine aerosols conducted over the 2.5-yr Tara Pacific Expedition over 110,000 km across the Atlantic and Pacific Oceans. Preliminary results are presented here to describe th
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5

Miguel-Gordo, Maria, Sandra Gegunde, Kevin Calabro, et al. "Bromotryptamine and Bromotyramine Derivatives from the Tropical Southwestern Pacific Sponge Narrabeena nigra." Marine Drugs 17, no. 6 (2019): 319. http://dx.doi.org/10.3390/md17060319.

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So far, the Futuna Islands located in the Central Indo-Pacific Ocean have not been inventoried for their diversity in marine sponges and associated chemical diversity. As part of the Tara Pacific expedition, the first chemical investigation of the sponge Narrabeena nigra collected around the Futuna Islands yielded 18 brominated alkaloids: seven new bromotryptamine derivatives 1–7 and one new bromotyramine derivative 8 together with 10 known metabolites of both families 9–18. Their structures were deduced from extensive analyses of nuclear magnetic resonance (NMR) and high-resolution mass spect
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6

Mériguet, Zoé, Guillaume Bourdin, Nathaniel Kristan, et al. "Quantitative imaging datasets of surface micro- to mesoplankton communities and microplastic across the Pacific and North Atlantic oceans from the Tara Pacific expedition." Earth System Science Data 17, no. 6 (2025): 2761–92. https://doi.org/10.5194/essd-17-2761-2025.

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Abstract. This paper presents the quantitative imaging datasets collected during the Tara Pacific expedition (2016–2018) carried out on the schooner Tara. The datasets cover a wide range of plankton sizes, from microphytoplankton (> 20 µm in size) to mesozooplankton (a few centimetres in size), and non-living particles such as plastic and detrital particles. It consists of surface samples collected across the North Atlantic and the North and South Pacific Ocean from open-ocean stations (a total of 357 samples) and from stations located in coastal waters, lagoons or reefs of 32 Pacific islan
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7

Planes, Serge, Denis Allemand, Sylvain Agostini, et al. "The Tara Pacific expedition—A pan-ecosystemic approach of the “-omics” complexity of coral reef holobionts across the Pacific Ocean." PLOS Biology 17, no. 9 (2019): e3000483. http://dx.doi.org/10.1371/journal.pbio.3000483.

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8

Lucena, Teresa, Isabel Sanz-Sáez, David R. Arahal, et al. "Mesonia oceanica sp. nov., isolated from oceans during the Tara oceans expedition, with a preference for mesopelagic waters." International Journal of Systematic and Evolutionary Microbiology 70, no. 7 (2020): 4329–38. http://dx.doi.org/10.1099/ijsem.0.004296.

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Strain ISS653T, isolated from Atlantic seawater, is a yellow pigmented, non-motile, Gram-reaction-negative rod-shaped bacterium, strictly aerobic and chemoorganotrophic, slightly halophilic (1–15 % NaCl) and mesophilic (4–37 °C), oxidase- and catalase-positive and proteolytic. Its major cellular fatty acids are iso-C15 : 0, iso-C15 : 0 2-OH, and iso-C17 : 0 3-OH; the major identified phospholipid is phosphatidylethanolamine and the major respiratory quinone is MK6. Genome size is 4.28 Mbp and DNA G+C content is 34.9 mol%. 16S rRNA gene sequence similarity places the strain among members of the
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9

Mitushasi, Guinther, Yuko F. Kitano, Nicolas Oury, et al. "Morphological traits and machine learning for genetic lineage prediction of two reef-building corals." PLOS One 20, no. 6 (2025): e0326095. https://doi.org/10.1371/journal.pone.0326095.

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Integrating multiple lines of evidence that support molecular taxonomy analysis has proven to be a robust method for species delimitation in scleractinian corals. However, morphology often conflicts with genetic approaches due to high phenotypic plasticity and convergence. Understanding morphological variation among species is crucial to studying coral distribution, life history, ecology, and evolution. Here, we present an application of Random Forest models for coral species identification based on morphological annotation of the corallum and corallites. We show that the integration of molecu
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10

Cornejo, M., L. Bravo, M. Ramos, et al. "Biogeochemical characteristics of a long-lived anticyclonic eddy in the eastern South Pacific Ocean." Biogeosciences Discussions 12, no. 17 (2015): 14481–506. http://dx.doi.org/10.5194/bgd-12-14481-2015.

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Abstract. Eastern boundary upwelling systems are characterized by high productivity that often leads to subsurface hypoxia on the shelf. Mesoscale eddies are important, frequent, and persistent features of circulation in these regions, transporting physical, chemical and biological properties from shelves to the open ocean. In austral fall of 2011, during the Tara Oceans expedition, a subsurface layer (200–400 m) in which the concentration of oxygen was very low (< 2 μmol kg−1 of O2) was observed in the eastern South Pacific, ~ 900 km offshore (30° S, 81° W). Satellite altimetry combined wi
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11

Dror, Tom, J. Michel Flores, Orit Altaratz, et al. "Sensitivity of warm clouds to large particles in measured marine aerosol size distributions – a theoretical study." Atmospheric Chemistry and Physics 20, no. 23 (2020): 15297–306. http://dx.doi.org/10.5194/acp-20-15297-2020.

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Abstract. Aerosol size distribution has major effects on warm cloud processes. Here, we use newly acquired marine aerosol size distributions (MSDs), measured in situ over the open ocean during the Tara Pacific expedition (2016–2018), to examine how the total aerosol concentration (Ntot) and the shape of the MSDs change warm clouds' properties. For this, we used a toy model with detailed bin microphysics initialized using three different atmospheric profiles, supporting the formation of shallow to intermediate and deeper warm clouds. The changes in the MSDs affected the clouds' total mass and s
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12

Cornejo D'Ottone, Marcela, Luis Bravo, Marcel Ramos, et al. "Biogeochemical characteristics of a long-lived anticyclonic eddy in the eastern South Pacific Ocean." Biogeosciences 13, no. 10 (2016): 2971–79. http://dx.doi.org/10.5194/bg-13-2971-2016.

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Abstract. Mesoscale eddies are important, frequent, and persistent features of the circulation in the eastern South Pacific (ESP) Ocean, transporting physical, chemical and biological properties from the productive shelves to the open ocean. Some of these eddies exhibit subsurface hypoxic or suboxic conditions and may serve as important hotspots for nitrogen loss, but little is known about oxygen consumption rates and nitrogen transformation processes associated with these eddies. In the austral fall of 2011, during the Tara Oceans expedition, an intrathermocline, anticyclonic, mesoscale eddy
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13

Planes, Serge, and Denis Allemand. "Insights and achievements from the Tara Pacific expedition." Nature Communications 14, no. 1 (2023). http://dx.doi.org/10.1038/s41467-023-38896-6.

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14

Belser, Caroline, Julie Poulain, Karine Labadie, et al. "Integrative omics framework for characterization of coral reef ecosystems from the Tara Pacific expedition." Scientific Data 10, no. 1 (2023). http://dx.doi.org/10.1038/s41597-023-02204-0.

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AbstractCoral reef science is a fast-growing field propelled by the need to better understand coral health and resilience to devise strategies to slow reef loss resulting from environmental stresses. Key to coral resilience are the symbiotic interactions established within a complex holobiont, i.e. the multipartite assemblages comprising the coral host organism, endosymbiotic dinoflagellates, bacteria, archaea, fungi, and viruses. Tara Pacific is an ambitious project built upon the experience of previous Tara Oceans expeditions, and leveraging state-of-the-art sequencing technologies and analy
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15

Lombard, Fabien, Guillaume Bourdin, Stéphane Pesant, et al. "Open science resources from the Tara Pacific expedition across coral reef and surface ocean ecosystems." Scientific Data 10, no. 1 (2023). http://dx.doi.org/10.1038/s41597-022-01757-w.

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AbstractThe Tara Pacific expedition (2016–2018) sampled coral ecosystems around 32 islands in the Pacific Ocean and the ocean surface waters at 249 locations, resulting in the collection of nearly 58 000 samples. The expedition was designed to systematically study warm-water coral reefs and included the collection of corals, fish, plankton, and seawater samples for advanced biogeochemical, molecular, and imaging analysis. Here we provide a complete description of the sampling methodology, and we explain how to explore and access the different datasets generated by the expedition. Environmental
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16

Gorsky, Gabriel, Guillaume Bourdin, Fabien Lombard, et al. "Expanding Tara Oceans Protocols for Underway, Ecosystemic Sampling of the Ocean-Atmosphere Interface During Tara Pacific Expedition (2016–2018)." Frontiers in Marine Science 6 (December 11, 2019). http://dx.doi.org/10.3389/fmars.2019.00750.

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17

Lang-Yona, Naama, J. Michel Flores, Rotem Haviv, et al. "Terrestrial and marine influence on atmospheric bacterial diversity over the north Atlantic and Pacific Oceans." Communications Earth & Environment 3, no. 1 (2022). http://dx.doi.org/10.1038/s43247-022-00441-6.

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AbstractThe diversity of microbes and their transmission between ocean and atmosphere are poorly understood despite the implications for microbial global dispersion and biogeochemical processes. Here, we survey the genetic diversity of airborne and surface ocean bacterial communities sampled during springtime transects across the northwest Pacific and subtropical north Atlantic as part of the Tara Pacific Expedition. We find that microbial community composition is more variable in the atmosphere than in the surface ocean. Bacterial communities were more similar between the two surface oceans t
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18

Canesi, Marine, Eric Douville, Paolo Montagna, et al. "Differences in carbonate chemistry up-regulation of long-lived reef-building corals." Scientific Reports 13, no. 1 (2023). http://dx.doi.org/10.1038/s41598-023-37598-9.

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AbstractWith climate projections questioning the future survival of stony corals and their dominance as tropical reef builders, it is critical to understand the adaptive capacity of corals to ongoing climate change. Biological mediation of the carbonate chemistry of the coral calcifying fluid is a fundamental component for assessing the response of corals to global threats. The Tara Pacific expedition (2016–2018) provided an opportunity to investigate calcification patterns in extant corals throughout the Pacific Ocean. Cores from colonies of the massive Porites and Diploastrea genera were col
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19

Galand, Pierre E., Hans-Joachim Ruscheweyh, Guillem Salazar, et al. "Diversity of the Pacific Ocean coral reef microbiome." Nature Communications 14, no. 1 (2023). http://dx.doi.org/10.1038/s41467-023-38500-x.

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AbstractCoral reefs are among the most diverse ecosystems on Earth. They support high biodiversity of multicellular organisms that strongly rely on associated microorganisms for health and nutrition. However, the extent of the coral reef microbiome diversity and its distribution at the oceanic basin-scale remains to be explored. Here, we systematically sampled 3 coral morphotypes, 2 fish species, and planktonic communities in 99 reefs from 32 islands across the Pacific Ocean, to assess reef microbiome composition and biogeography. We show a very large richness of reef microorganisms compared t
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20

Voolstra, Christian R., Benjamin C. C. Hume, Eric J. Armstrong, et al. "Disparate genetic divergence patterns in three corals across a pan-Pacific environmental gradient highlight species-specific adaptation." npj Biodiversity 2, no. 1 (2023). http://dx.doi.org/10.1038/s44185-023-00020-8.

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AbstractTropical coral reefs are among the most affected ecosystems by climate change and face increasing loss in the coming decades. Effective conservation strategies that maximize ecosystem resilience must be informed by the accurate characterization of extant genetic diversity and population structure together with an understanding of the adaptive potential of keystone species. Here we analyzed samples from the Tara Pacific Expedition (2016–2018) that completed an 18,000 km longitudinal transect of the Pacific Ocean sampling three widespread corals—Pocillopora meandrina, Porites lobata, and
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21

Trainic, Miri, J. Michel Flores, Iddo Pinkas, et al. "Airborne microplastic particles detected in the remote marine atmosphere." Communications Earth & Environment 1, no. 1 (2020). http://dx.doi.org/10.1038/s43247-020-00061-y.

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AbstractAnthropogenic pollution from marine microplastic particles is a growing concern, both as a source of toxic compounds, and because they can transport pathogens and other pollutants. Airborne microplastic particles were previously observed over terrestrial and coastal locations, but not in the remote ocean. Here, we collected ambient aerosol samples in the North Atlantic Ocean, including the remote marine atmosphere, during the Tara Pacific expedition in May-June 2016, and chemically characterized them using micro-Raman spectroscopy. We detected a range of airborne microplastics, includi
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22

Reddy, Maggie M., Corentine Goossens, Yuxiang Zhou, et al. "Multi-omics determination of metabolome diversity in natural coral populations in the Pacific Ocean." Communications Earth & Environment 4, no. 1 (2023). http://dx.doi.org/10.1038/s43247-023-00942-y.

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AbstractCoral reefs are considered one of the most emblematic ecosystems in our oceans, but their existence is increasingly threatened by climate change. In this study, natural populations of two reef-building coral genera, Pocillopora spp. and Porites spp., and one hydrocoral Millepora cf. platyphylla from two different marine provinces in the Pacific Ocean were investigated using a multi-omics approach as part of the Tara Pacific expedition. Here, we propose a standardised method consisting of a biphasic extraction method followed by metabolomics analysis using mass spectrometry for the lipi
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23

Carradec, Quentin, Julie Poulain, Emilie Boissin, et al. "A framework for in situ molecular characterization of coral holobionts using nanopore sequencing." Scientific Reports 10, no. 1 (2020). http://dx.doi.org/10.1038/s41598-020-72589-0.

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Abstract Molecular characterization of the coral host and the microbial assemblages associated with it (referred to as the coral holobiont) is currently undertaken via marker gene sequencing. This requires bulky instruments and controlled laboratory conditions which are impractical for environmental experiments in remote areas. Recent advances in sequencing technologies now permit rapid sequencing in the field; however, development of specific protocols and pipelines for the effective processing of complex microbial systems are currently lacking. Here, we used a combination of 3 marker genes t
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24

Noel, Benjamin, France Denoeud, Alice Rouan, et al. "Pervasive tandem duplications and convergent evolution shape coral genomes." Genome Biology 24, no. 1 (2023). http://dx.doi.org/10.1186/s13059-023-02960-7.

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Abstract Background Over the last decade, several coral genomes have been sequenced allowing a better understanding of these symbiotic organisms threatened by climate change. Scleractinian corals are reef builders and are central to coral reef ecosystems, providing habitat to a great diversity of species. Results In the frame of the Tara Pacific expedition, we assemble two coral genomes, Porites lobata and Pocillopora cf. effusa, with vastly improved contiguity that allows us to study the functional organization of these genomes. We annotate their gene catalog and report a relatively higher ge
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25

Veglia, Alex J., Kalia S. I. Bistolas, Christian R. Voolstra, et al. "Endogenous viral elements reveal associations between a non-retroviral RNA virus and symbiotic dinoflagellate genomes." Communications Biology 6, no. 1 (2023). http://dx.doi.org/10.1038/s42003-023-04917-9.

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AbstractEndogenous viral elements (EVEs) offer insight into the evolutionary histories and hosts of contemporary viruses. This study leveraged DNA metagenomics and genomics to detect and infer the host of a non-retroviral dinoflagellate-infecting +ssRNA virus (dinoRNAV) common in coral reefs. As part of the Tara Pacific Expedition, this study surveyed 269 newly sequenced cnidarians and their resident symbiotic dinoflagellates (Symbiodiniaceae), associated metabarcodes, and publicly available metagenomes, revealing 178 dinoRNAV EVEs, predominantly among hydrocoral-dinoflagellate metagenomes. Pu
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