Trophosome of the Deep-Sea Tubeworm Riftia pachyptila Inhibits Bacterial Growth. oleh Julia Klose, Karin Aistleitner, Matthias Horn, Liselotte Krenn, Verena Dirsch, Martin Zehl, Monika Bright

"…The giant tubeworm Riftia pachyptila lives in symbiosis with the chemoautotrophic gammaproteobacterium Cand. …"
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Identification of proteins involved in the functioning of <it>Riftia pachyptila </it>symbiosis by Subtractive Suppression Hybridization oleh Lallier François H, Hourdez Stéphane, Sanchez Sophie

"…<p>Abstract</p> <p>Background</p> <p>Since its discovery around deep sea hydrothermal vents of the Galapagos Rift about 30 years ago, the chemoautotrophic symbiosis between the vestimentiferan tubeworm <it>Riftia pachyptila </it>and its symbiotic sulfide-oxidizing γ-proteobacteria has been extensively studied. …"
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The neuroanatomy of the siboglinid Riftia pachyptila highlights sedentarian annelid nervous system evolution. oleh Nadezhda N Rimskaya-Korsakova, Sergey V Galkin, Vladimir V Malakhov

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Host-Microbe Interactions in the Chemosynthetic <italic toggle="yes">Riftia pachyptila</italic> Symbiosis oleh Tjorven Hinzke, Manuel Kleiner, Corinna Breusing, Horst Felbeck, Robert Häsler, Stefan M. Sievert, Rabea Schlüter, Philip Rosenstiel, Thorsten B. H. Reusch, Thomas Schweder, Stephanie Markert

"…ABSTRACT The deep-sea tubeworm Riftia pachyptila lacks a digestive system but completely relies on bacterial endosymbionts for nutrition. …"
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Genetic diversity and demographic instability in <it>Riftia pachyptila </it>tubeworms from eastern Pacific hydrothermal vents oleh Lutz Richard A, Karl Stephen A, Johnson Shannon B, Coykendall D Katharine, Vrijenhoek Robert C

"…We examined DNA sequences from one mitochondrial and three nuclear gene loci to assess genetic diversity in the siboglinid tubeworm, <it>Riftia pachyptila</it>, a widely distributed constituent of vents along the East Pacific Rise and Galápagos Rift.…"
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Linking hydrothermal geochemistry to organismal physiology: physiological versatility in Riftia pachyptila from sedimented and basalt-hosted vents. oleh Julie C Robidart, Annelys Roque, Pengfei Song, Peter R Girguis

"…Much of what is known regarding Riftia pachyptila physiology is based on the wealth of studies of tubeworms living at diffuse flows along the fast-spreading, basalt-hosted East Pacific Rise (EPR). …"
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Discovery of a readily heterologously expressed Rubisco from the deep sea with potential for CO2 capture oleh Junli Zhang, Guoxia Liu, Alonso I. Carvajal, Robert H. Wilson, Zhen Cai, Yin Li

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Bacterial symbiont subpopulations have different roles in a deep-sea symbiosis oleh Tjorven Hinzke, Manuel Kleiner, Mareike Meister, Rabea Schlüter, Christian Hentschker, Jan Pané-Farré, Petra Hildebrandt, Horst Felbeck, Stefan M Sievert, Florian Bonn, Uwe Völker, Dörte Becher, Thomas Schweder, Stephanie Markert

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Chemistry, Temperature, and Faunal Distributions at Diffuse-Flow Hydrothermal Vents: Comparison of Two Geologically Distinct Ridge Systems oleh George W. Luther III, Amy Gartman, Mustafa Yücel, Andrew S. Madison, Tommy S. Moore, Heather A. Nees, Donald B. Nuzzio, Arunima Sen, Richard A. Lutz, Timothy M. Shank, Charles R. Fisher

"…The eruptions at 9 N EPR in 2005 and 2006 resulted in increased H2S concentrations, increased H2S/T ratios, and an initial change in the dominant tubeworm species from Riftia pachyptila to Tevnia jerichonana after the eruption created new vent habitats. …"
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Genome Study of α-, β-, and γ-Carbonic Anhydrases from the Thermophilic Microbiome of Marine Hydrothermal Vent Ecosystems oleh Mohammad Sadegh Gheibzadeh, Colleen Varaidzo Manyumwa, Özlem Tastan Bishop, Hossein Shahbani Zahiri, Seppo Parkkila, Reza Zolfaghari Emameh

"…We found evidence of HGT of α- and β-CAs between <i>Cycloclasticus</i> sp., a symbiont of <i>Bathymodiolus heckerae,</i> and an endosymbiont of <i>Riftia pachyptila</i> via Integrons. Conversely, HGT of β-CA genes from the endosymbiont Tevnia jerichonana to the endosymbiont Riftia pachyptila was detected. …"
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First Description of Sulphur-Oxidizing Bacterial Symbiosis in a Cnidarian (Medusozoa) Living in Sulphidic Shallow-Water Environments. oleh Sylvie Abouna, Silvina Gonzalez-Rizzo, Adrien Grimonprez, Olivier Gros

"…<h4>Background</h4>Since the discovery of thioautotrophic bacterial symbiosis in the giant tubeworm Riftia pachyptila, there has been great impetus to investigate such partnerships in other invertebrates. …"
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Exploring the oxygenase function of Form II Rubisco for production of glycolate from CO2 oleh Fan Yang, Junli Zhang, Zhen Cai, Jie Zhou, Yin Li

"…Heterologous expression of a Form II Rubisco from endosymbiont of tubeworm Riftia pachyptila (RPE Rubisco) significantly increased glycolate production. …"
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Genetic Evidence for Two Carbon Fixation Pathways (the Calvin-Benson-Bassham Cycle and the Reverse Tricarboxylic Acid Cycle) in Symbiotic and Free-Living Bacteria oleh Maxim Rubin-Blum, Nicole Dubilier, Manuel Kleiner

"…ABSTRACT Very few bacteria are able to fix carbon via both the reverse tricarboxylic acid (rTCA) and the Calvin-Benson-Bassham (CBB) cycles, such as symbiotic, sulfur-oxidizing bacteria that are the sole carbon source for the marine tubeworm Riftia pachyptila, the fastest-growing invertebrate. To date, the coexistence of these two carbon fixation pathways had not been found in a cultured bacterium and could thus not be studied in detail. …"
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Animal life in the shallow subseafloor crust at deep-sea hydrothermal vents oleh Monika Bright, Sabine Gollner, André Luiz de Oliveira, Salvador Espada-Hinojosa, Avery Fulford, Ian Vincent Hughes, Stephane Hourdez, Clarissa Karthäuser, Ingrid Kolar, Nicole Krause, Victor Le Layec, Tihomir Makovec, Alessandro Messora, Jessica Mitchell, Philipp Pröts, Ivonne Rodríguez-Ramírez, Fanny Sieler, Stefan M. Sievert, Jan Steger, Tinkara Tinta, Teresa Rosa Maria Winter, Zach Bright, Russel Coffield, Carl Hill, Kris Ingram, Alex Paris

"…Yet, on the seafloor, animals like the giant tubeworm Riftia pachyptila thrive. Their larvae are thought to disperse in the water column, despite never being observed there. …"
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Widespread occurrence of two carbon fixation pathways in tubeworm endosymbionts: lessons from hydrothermal vent associated tubeworms from the Mediterranean Sea oleh Vera eThiel, Vera eThiel, Michael eHügler, Martina eBlümel, Martina eBlümel, Heike I. Baumann, Andrea eGärtner, Rolf eSchmaljohann, Harald eStrauss, Dieter eGarbe-Schönberg, Sven ePetersen, Dominique A. Cowart, Charles R. Fisher, Johannes F. Imhoff

"…Surprisingly, the endosymbiont harbors genes for two different carbon fixation pathways, the Calvin-Benson-Bassham (CBB) cycle as well as the reductive tricarboxylic acid (rTCA) cycle, as has been reported for the endosymbiont of the giant vent tubeworm Riftia pachyptila. In addition to RubisCO genes we detected ATP citrate lyase (ACL, the key enzyme of the rTCA cycle) type II gene sequences using newly designed primer sets. …"
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