tailieunhanh - Báo cáo sinh học: " Happy together: genomic insights into the unique Nanoarchaeum/Ignicoccus association"

Tuyển tập các báo cáo nghiên cứu về sinh học được đăng trên tạp chí sinh học Journal of Biology đề tài: Happy together: genomic insights into the unique Nanoarchaeum/Ignicoccus association. | Journal of Biology BioMed Central Minireview Happy together genomic insights into the unique Nanoarchaeum Ignicoccus association Patrick Forterre 1 Simonetta Gribaldo and Céline Brochier-ArmaneG Addresses Institut Pasteur 25 rue du Docteur Roux 75015 Paris France. tUniversité Paris-Sud Institut de Génétique et Microbiologie CNRS UMR8621 91405 Orsay Cedex France. lUniversité de Provence Aix-Marseille I CNRS UPR9043 Laboratoire de Chimie Bactérienne IFR88 31 chemin Joseph Aiguier 13402 Marseille Cedex 20 France. Correspondence Patrick Forterre. Email forterre@ Published 23 January 2009 Journal of Biology 2009 8 7 doi jbiolll0 The electronic version of this article is the complete one and can be found online at http content 8 1 7 2009 BioMed Central Ltd Abstract The complete genome sequence of the crenarchaeon Ignicoccus hospitalis published recently in Genome Biology provides a great leap forward in the dissection of its unique association with another hyperthermophilic archaeon Nanoarchaeum equitans. A unique association in the archaeal world The discovery of Nanoarchaeum equitans in a hydrothermal vent off the coast of Iceland by the group of Karl Stetter in 2002 has been one of the most exciting findings of the past decade in microbiology 1 2 . This tiny regular coccus 400 nm 1 of the volume of Escherichia coli lives at the surface equitans meaning riding of its host the crenarch-aeon Ignicoccus hospitalis hospitalis referring to the ability to serve as a host for N. equitans which belongs to the order Desulfurococcales within the Crenarchaeota Figure 1 . Members of the genus Ignicoccus are the only obligatory anaerobic chemolithoautotrophic sulfur reducers within the Desulfurococcales coupling elemental sulfur respiration and carbon dioxide fixation through a novel and unique pathway called the dicarboxylate 4-hydroxybutyrate cycle and using molecular hydrogen as electron donor 3 and references therein . Ignicoccus species exhibit .

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