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https://www.readbyqxmd.com/read/27394587/new-records-of-caridean-shrimp-crustacea-decapoda-from-hydrothermally-influenced-fields-off-futuna-island-southwest-pacific-with-description-of-a-new-species-assigned-to-the-genus-alvinocaridinides-komai-chan-2010-alvinocarididae
#1
Tomoyuki Komai, Lenaick Menot, Michel Segonzac
Five species of caridean shrimp, including four Alvinocarididae Christoffersen, 1986 and one thorid species of the genus Lebbeus White, 1847, are reported from the recently discovered hydrothermal vent field off Futuna Island in the Southwest Pacific (depths 1418-1478 m): Alvinocaridinides semidentatus n. sp., Alvinocaris komaii Zelnio & Hourdez, 2009, Nautilocaris saintlaurentae Komai & Segonzac, 2004, Rimicaris variabilis (Komai & Tsuchida, 2015), and Lebbeus wera Ahyong, 2009. The new species, provisionally assigned to Alvinocaridinides Komai & Chan, 2010, is readily distinguished from the type species of the genus, A...
2016: Zootaxa
https://www.readbyqxmd.com/read/27101410/development-of-an-ecotoxicological-protocol-for-the-deep-sea-fauna-using-the-hydrothermal-vent-shrimp-rimicaris-exoculata
#2
M Auguste, N C Mestre, T L Rocha, C Cardoso, V Cueff-Gauchard, S Le Bloa, M A Cambon-Bonavita, B Shillito, M Zbinden, J Ravaux, M J Bebianno
In light of deep-sea mining industry development, particularly interested in massive-sulphide deposits enriched in metals with high commercial value, efforts are increasing to better understand potential environmental impacts to local fauna. The aim of this study was to assess the natural background levels of biomarkers in the hydrothermal vent shrimp Rimicaris exoculata and their responses to copper exposure at in situ pressure (30MPa) as well as the effects of depressurization and pressurization of the high-pressure aquarium IPOCAMP...
June 2016: Aquatic Toxicology
https://www.readbyqxmd.com/read/26710075/morphology-of-first-zoeal-stage-of-four-genera-of-alvinocaridid-shrimps-from-hydrothermal-vents-and-cold-seeps-implications-for-ecology-larval-biology-and-phylogeny
#3
Iván Hernández-Ávila, Marie-Anne Cambon-Bonavita, Florence Pradillon
Alvinocaridid shrimps are endemic species inhabiting hydrothermal vents and/or cold seeps. Although indirect evidences (genetic and lipid markers) suggest that their larval stages disperse widely and support large scale connectivity, larval life and mechanisms underlying dispersal are unknown in alvinocaridids. Here we provide for the first time detailed descriptions of the first larval stage (zoea I) of four alvinocaridid species: Rimicaris exoculata and Mirocaris fortunata from the Mid-Atlantic Ridge, Alvinocaris muricola from the Congo Basin and Nautilocaris saintlaurentae from the Western Pacific...
2015: PloS One
https://www.readbyqxmd.com/read/26475295/lipid-adaptation-of-shrimp-rimicaris-exoculata-in-hydrothermal-vent
#4
COMPARATIVE STUDY
Si Zhu, Mengwei Ye, Xiaojun Yan, Yadong Zhou, Chunsheng Wang, Jilin Xu
The shrimp Rimicaris exoculata is the most abundant species in hydrothermal vents. Lipids, the component of membranes, play an important role in maintaining their function normally in such extreme environments. In order to understand the lipid adaptation of R. exoculata (HV shrimp) to hydrothermal vents, we compared its lipid profile with the coastal shrimp Litopenaeus vannamei (EZ shrimp) which lives in the euphotic zone, using ultra performance liquid chromatography electrospray ionization-quadrupole time-of-flight mass spectrometry...
December 2015: Lipids
https://www.readbyqxmd.com/read/26439286/characterization-of-mirnas-from-hydrothermal-vent-shrimp-rimicaris-exoculata
#5
Yadong Zhou, Yaodong He, Chunsheng Wang, Xiaobo Zhang
Deep-sea hydrothermal vent shrimp Rimicaris exoculata is a dominant species aggregating in vent fields along the Mid-Atlantic Ocean Ridge. MicroRNAs play important roles in life cycles of eukaryotes. However, little is known about miRNAs of vent animals. In the present study, a small RNA cDNA library from the muscle of R. exoculata was constructed and the miRNA sequencing was performed. The results indicated that a total of 7,983,331 raw reads were obtained, representing 569,354 unique sequences. Based on sequence analysis, R...
December 2015: Marine Genomics
https://www.readbyqxmd.com/read/26324855/biogeographical-distribution-of-rimicaris-exoculata-resident-gut-epibiont-communities-along-the-mid-atlantic-ridge-hydrothermal-vent-sites
#6
Lucile Durand, Marie Roumagnac, Valérie Cueff-Gauchard, Cyrielle Jan, Mathieu Guri, Claire Tessier, Marine Haond, Philippe Crassous, Magali Zbinden, Sophie Arnaud-Haond, Marie-Anne Cambon-Bonavita
Rimicaris exoculata is a deep-sea hydrothermal vent shrimp whose enlarged gill chamber houses a complex trophic epibiotic community. Its gut harbours an autochthonous and distinct microbial community. This species dominates hydrothermal ecosystem megafauna along the Mid-Atlantic Ridge, regardless of contrasting geochemical conditions prevailing in them. Here, the resident gut epibiont community at four contrasted hydrothermal vent sites (Rainbow, TAG, Logatchev and Ashadze) was analysed and compiled with previous data to evaluate the possible influence of site location, using 16S rRNA surveys and microscopic observations (transmission electron microscopy, scanning electron microscopy and fluorescence in situ hybridization analyses)...
October 2015: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/26161742/phylogeny-and-new-classification-of-hydrothermal-vent-and-seep-shrimps-of-the-family-alvinocarididae-decapoda
#7
Alexander L Vereshchaka, Dmitry N Kulagin, Anastasia A Lunina
The paper addresses the phylogeny and classification of the hydrothermal vent shrimp family Alvinocarididae. Two morphological cladistic analyses were carried out, which use all 31 recognized species of Alvinocarididae as terminal taxa. As outgroups, two species were included, both representing major caridean clades: Acanthephyra purpurea (Acanthephyridae) and Alpheus echiurophilus (Alpheidae). For additional support of the clades we utilised available data on mitochondrial Cytochrome c Oxidase I gene (CO1) and 16S ribosomal markers...
2015: PloS One
https://www.readbyqxmd.com/read/25774156/colonization-of-plant-substrates-at-hydrothermal-vents-and-cold-seeps-in-the-northeast-atlantic-and-mediterranean-and-occurrence-of-symbiont-related-bacteria
#8
Kamil M Szafranski, Philippe Deschamps, Marina R Cunha, Sylvie M Gaudron, Sébastien Duperron
Reducing conditions with elevated sulfide and methane concentrations in ecosystems such as hydrothermal vents, cold seeps or organic falls, are suitable for chemosynthetic primary production. Understanding processes driving bacterial diversity, colonization and dispersal is of prime importance for deep-sea microbial ecology. This study provides a detailed characterization of bacterial assemblages colonizing plant-derived substrates using a standardized approach over a geographic area spanning the North-East Atlantic and Mediterranean...
2015: Frontiers in Microbiology
https://www.readbyqxmd.com/read/25686945/an-investigation-into-mechanical-strength-of-exoskeleton-of-hydrothermal-vent-shrimp-rimicaris-exoculata-and-shallow-water-shrimp-pandalus-platyceros-at-elevated-temperatures
#9
Devendra Verma, Vikas Tomar
This investigation reports a comparison of the exoskeleton mechanical strength of deep sea shrimp species Rimicaris exoculata and shallow water shrimp species Pandalus platyceros at temperatures ranging from 25°C to 80°C using nanoindentation experiments. Scanning Electron Microscopy (SEM) observations suggest that both shrimp exoskeletons have the Bouligand structure. Differences in the structural arrangement and chemical composition of both shrimps are highlighted by SEM and EDX (Energy Dispersive X-ray) analyses...
April 2015: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/25665594/the-complete-mitogenome-of-the-atlantic-hydrothermal-vent-shrimp-rimicaris-exoculata-williams-rona-1986-crustacea-decapoda-alvinocarididae
#10
Yan-Qin Yu, Xiao-Li Liu, Hua-Wei Li, Bo Lu, Yu-Peng Fan, Jin-Shu Yang
In this study we completely determined and analyzed the mitochondrial genome of the Mid-Atlantic Ridge hydrothermal-vent shrimp Rimicaris exoculata (Crustacea: Decapoda: Alvinocarididae). The circular molecule is 15,902 bp in size with an AT content of 65.7%, composed of the same 37 mitochondrial genes as in all other known metazoan mitogenomes. Sequence composition of the R. exoculata mitogenome is exceptionally similar to that of its Indian-Ocean congener R. kairei, which suggests the fact that they might diverge at a quite recent age...
September 2016: Mitochondrial DNA. Part A. DNA Mapping, Sequencing, and Analysis
https://www.readbyqxmd.com/read/25595762/identification-and-characterization-of-carboxyl-esterases-of-gill-chamber-associated-microbiota-in-the-deep-sea-shrimp-rimicaris-exoculata-by-using-functional-metagenomics
#11
María Alcaide, Anatoli Tchigvintsev, Mónica Martínez-Martínez, Ana Popovic, Oleg N Reva, Álvaro Lafraya, Rafael Bargiela, Taras Y Nechitaylo, Ruth Matesanz, Marie-Anne Cambon-Bonavita, Mohamed Jebbar, Michail M Yakimov, Alexei Savchenko, Olga V Golyshina, Alexander F Yakunin, Peter N Golyshin, Manuel Ferrer
The shrimp Rimicaris exoculata dominates the fauna in deep-sea hydrothermal vent sites along the Mid-Atlantic Ridge (depth, 2,320 m). Here, we identified and biochemically characterized three carboxyl esterases from microbial communities inhabiting the R. exoculata gill that were isolated by naive screens of a gill chamber metagenomic library. These proteins exhibit low to moderate identity to known esterase sequences (≤52%) and to each other (11.9 to 63.7%) and appear to have originated from unknown species or from genera of Proteobacteria related to Thiothrix/Leucothrix (MGS-RG1/RG2) and to the Rhodobacteraceae group (MGS-RG3)...
March 2015: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/24447589/the-gill-chamber-epibiosis-of-deep-sea-shrimp-rimicaris-exoculata-an-in-depth-metagenomic-investigation-and-discovery-of-zetaproteobacteria
#12
Cyrielle Jan, Jillian M Petersen, Johannes Werner, Hanno Teeling, Sixing Huang, Frank Oliver Glöckner, Olga V Golyshina, Nicole Dubilier, Peter N Golyshin, Mohamed Jebbar, Marie-Anne Cambon-Bonavita
The gill chamber of deep-sea hydrothermal vent shrimp Rimicaris exoculata hosts a dense community of epibiotic bacteria dominated by filamentous Epsilonproteobacteria and Gammaproteobacteria. Using metagenomics on shrimp from the Rainbow hydrothermal vent field, we showed that both epibiont groups have the potential to grow autotrophically and oxidize reduced sulfur compounds or hydrogen with oxygen or nitrate. For carbon fixation, the Epsilonproteobacteria use the reductive tricarboxylic acid cycle, whereas the Gammaproteobacteria use the Calvin-Benson-Bassham cycle...
September 2014: Environmental Microbiology
https://www.readbyqxmd.com/read/24358117/high-connectivity-of-animal-populations-in-deep-sea-hydrothermal-vent-fields-in-the-central-indian-ridge-relevant-to-its-geological-setting
#13
Girish Beedessee, Hiromi Watanabe, Tomomi Ogura, Suguru Nemoto, Takuya Yahagi, Satoshi Nakagawa, Kentaro Nakamura, Ken Takai, Meera Koonjul, Daniel E P Marie
Dispersal ability plays a key role in the maintenance of species in spatially and temporally discrete niches of deep-sea hydrothermal vent environments. On the basis of population genetic analyses in the eastern Pacific vent fields, dispersal of animals in the mid-oceanic ridge systems generally appears to be constrained by geographical barriers such as trenches, transform faults, and microplates. Four hydrothermal vent fields (the Kairei and Edmond fields near the Rodriguez Triple Junction, and the Dodo and Solitaire fields in the Central Indian Ridge) have been discovered in the mid-oceanic ridge system of the Indian Ocean...
2013: PloS One
https://www.readbyqxmd.com/read/24184205/pcr-survey-of-50-introns-in-animals-cross-amplification-of-homologous-epic-loci-in-eight-non-bilaterian-protostome-and-deuterostome-phyla
#14
K Gérard, E Guilloton, S Arnaud-Haond, D Aurelle, R Bastrop, P Chevaldonné, S Derycke, R Hanel, S Lapègue, C Lejeusne, S Mousset, A Ramšak, T Remerie, F Viard, J-P Féral, A Chenuil
Exon Primed Intron Crossing (EPIC) markers provide molecular tools that are susceptible to be variable within species while remaining amplifiable by PCR using potentially universal primers. In this study we tested the possibility of obtaining PCR products from 50 EPIC markers on 23 species belonging to seven different phyla (Porifera, Cnidaria, Arthropoda, Nematoda, Mollusca, Annelida, Echinodermata) using 70 new primer pairs. A previous study had identified and tested those loci in a dozen species, including another phylum, Urochordata (Chenuil et al...
December 2013: Marine Genomics
https://www.readbyqxmd.com/read/23741175/arsenic-speciation-in-food-chains-from-mid-atlantic-hydrothermal-vents
#15
Vivien F Taylor, Brian P Jackson, Matthew Siegfried, Jana Navratilova, Kevin A Francesconi, Julie Kirshtein, Mary Voytek
Arsenic concentration and speciation were determined in benthic fauna collected from the Mid-Atlantic Ridge hydrothermal vents. The shrimp species, Rimicaris exoculata, the vent chimney-dwelling mussel, Bathymodiolus azoricus, Branchipolynoe seepensis, a commensal worm of B. azoricus, and the gastropod Peltospira smaragdina showed variations in As concentration and in stable isotope (δ(13)C and δ(15)N) signature between species, suggesting different sources of As uptake. Arsenic speciation showed arsenobetaine to be the dominant species in R...
May 4, 2012: Environmental Chemistry
https://www.readbyqxmd.com/read/23555955/spatial-variation-in-the-population-structure-and-reproductive-biology-of-rimicaris-hybisae-caridea-alvinocarididae-at-hydrothermal-vents-on-the-mid-cayman-spreading-centre
#16
Verity Nye, Jonathan T Copley, Paul A Tyler
The dynamics and microdistribution of faunal assemblages at hydrothermal vents often reflect the fine-scale spatial and temporal heterogeneity of the vent environment. This study examined the reproductive development and population structure of the caridean shrimp Rimicaris hybisae at the Beebe and Von Damm Vent Fields (Mid-Cayman Spreading Centre, Caribbean) using spatially discrete samples collected in January 2012. Rimicaris hybisae is gonochoric and exhibits iteroparous reproduction. Oocyte size-frequency distributions (21-823 µm feret diameters) varied significantly among samples...
2013: PloS One
https://www.readbyqxmd.com/read/23469217/ltr-retrotransposons-in-r-exoculata-and-other-crustaceans-the-outstanding-success-of-galea-like-copia-elements
#17
Mathieu Piednoël, Tifenn Donnart, Caroline Esnault, Paula Graça, Dominique Higuet, Eric Bonnivard
Transposable elements are major constituents of eukaryote genomes and have a great impact on genome structure and stability. They can contribute to the genetic diversity and evolution of organisms. Knowledge of their distribution among several genomes is an essential condition to study their dynamics and to better understand their role in species evolution. LTR-retrotransposons have been reported in many diverse eukaryote species, describing a ubiquitous distribution. Given their abundance, diversity and their extended ranges in C-values, environment and life styles, crustaceans are a great taxon to investigate the genomic component of adaptation and its possible relationships with TEs...
2013: PloS One
https://www.readbyqxmd.com/read/23080406/effects-of-hydrogen-sulfide-on-bacterial-communities-on-the-surface-of-galatheid-crab-shinkaia-crosnieri-and-in-a-bacterial-mat-cultured-in-rearing-tanks
#18
Masaaki Konishi, Tomo-O Watsuji, Satoshi Nakagawa, Yuji Hatada, Ken Takai, Takashi Toyofuku
To investigate the effects of H2S on the bacterial consortia on the galatheid crab, Shinkaia crosnieri, crabs of this species were cultivated in the laboratory under two different conditions, with and without hydrogen sulfide feeding. We developed a novel rearing tank system equipped with a feedback controller using a semiconductor sensor for hydrogen sulfide feeding. H2S aqueous concentration was successfully maintained between 5 to 40 µM for 80 d with the exception of brief periods of mechanical issues. According to real-time PCR analysis, the numbers of copies of partial 16S rRNA gene of an episymbiont of the crabs with H2S feeding was three orders of magnitude larger than that without feeding...
2013: Microbes and Environments
https://www.readbyqxmd.com/read/22914596/inorganic-carbon-fixation-by-chemosynthetic-ectosymbionts-and-nutritional-transfers-to-the-hydrothermal-vent-host-shrimp-rimicaris-exoculata
#19
Julie Ponsard, Marie-Anne Cambon-Bonavita, Magali Zbinden, Gilles Lepoint, André Joassin, Laure Corbari, Bruce Shillito, Lucile Durand, Valérie Cueff-Gauchard, Philippe Compère
The shrimp Rimicaris exoculata dominates several hydrothermal vent ecosystems of the Mid-Atlantic Ridge and is thought to be a primary consumer harbouring a chemoautotrophic bacterial community in its gill chamber. The aim of the present study was to test current hypotheses concerning the epibiont's chemoautotrophy, and the mutualistic character of this association. In-vivo experiments were carried out in a pressurised aquarium with isotope-labelled inorganic carbon (NaH(13)CO(3) and NaH(14)CO(3)) in the presence of two different electron donors (Na(2)S(2)O(3) and Fe(2+)) and with radiolabelled organic compounds ((14)C-acetate and (3)H-lysine) chosen as potential bacterial substrates and/or metabolic by-products in experiments mimicking transfer of small biomolecules from epibionts to host...
January 2013: ISME Journal
https://www.readbyqxmd.com/read/22679511/panmixia-in-a-fragmented-and-unstable-environment-the-hydrothermal-shrimp-rimicaris-exoculata-disperses-extensively-along-the-mid-atlantic-ridge
#20
Sara Teixeira, Ester A Serrão, Sophie Arnaud-Haond
Dispersal plays a fundamental role in the evolution and persistence of species, and especially for species inhabiting extreme, ephemeral and highly fragmented habitats as hydrothermal vents. The Mid-Atlantic Ridge endemic shrimp species Rimicaris exoculata was studied using microsatellite markers to infer connectivity along the 7100-Km range encompassing the sampled sites. Astonishingly, no genetic differentiation was found between individuals from the different geographic origins, supporting a scenario of widespread large-scale dispersal despite the habitat distance and fragmentation...
2012: PloS One
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