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  • *Phylogeny  (4)
  • Nature Publishing Group (NPG)  (4)
  • American Geophysical Union
  • American Geophysical Union (AGU)
  • American Institute of Physics
  • National Academy of Sciences
  • 2015-2019  (4)
Collection
Publisher
  • Nature Publishing Group (NPG)  (4)
  • American Geophysical Union
  • American Geophysical Union (AGU)
  • American Institute of Physics
  • National Academy of Sciences
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Year
  • 1
    Publication Date: 2015-05-07
    Description: The origin of the eukaryotic cell remains one of the most contentious puzzles in modern biology. Recent studies have provided support for the emergence of the eukaryotic host cell from within the archaeal domain of life, but the identity and nature of the putative archaeal ancestor remain a subject of debate. Here we describe the discovery of 'Lokiarchaeota', a novel candidate archaeal phylum, which forms a monophyletic group with eukaryotes in phylogenomic analyses, and whose genomes encode an expanded repertoire of eukaryotic signature proteins that are suggestive of sophisticated membrane remodelling capabilities. Our results provide strong support for hypotheses in which the eukaryotic host evolved from a bona fide archaeon, and demonstrate that many components that underpin eukaryote-specific features were already present in that ancestor. This provided the host with a rich genomic 'starter-kit' to support the increase in the cellular and genomic complexity that is characteristic of eukaryotes.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4444528/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4444528/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Spang, Anja -- Saw, Jimmy H -- Jorgensen, Steffen L -- Zaremba-Niedzwiedzka, Katarzyna -- Martijn, Joran -- Lind, Anders E -- van Eijk, Roel -- Schleper, Christa -- Guy, Lionel -- Ettema, Thijs J G -- 310039/European Research Council/International -- England -- Nature. 2015 May 14;521(7551):173-9. doi: 10.1038/nature14447. Epub 2015 May 6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell and Molecular Biology, Science for Life Laboratory, Uppsala University, SE-75123 Uppsala, Sweden. ; Department of Biology, Centre for Geobiology, University of Bergen, N-5020 Bergen, Norway. ; 1] Department of Biology, Centre for Geobiology, University of Bergen, N-5020 Bergen, Norway [2] Division of Archaea Biology and Ecogenomics, Department of Ecogenomics and Systems Biology, University of Vienna, A-1090 Vienna, Austria. ; 1] Department of Cell and Molecular Biology, Science for Life Laboratory, Uppsala University, SE-75123 Uppsala, Sweden [2] Department of Medical Biochemistry and Microbiology, Uppsala University, SE-75123 Uppsala, Sweden.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25945739" target="_blank"〉PubMed〈/a〉
    Keywords: Actin Cytoskeleton/metabolism ; Actins/genetics/metabolism ; Archaea/*classification/genetics/metabolism ; Arctic Regions ; Endosomal Sorting Complexes Required for Transport/genetics/metabolism ; Eukaryota/*classification/genetics/metabolism ; Eukaryotic Cells/classification/metabolism ; *Evolution, Molecular ; Hydrothermal Vents/*microbiology ; Metagenome/genetics ; Molecular Sequence Data ; Monomeric GTP-Binding Proteins/genetics/metabolism ; *Phylogeny ; Prokaryotic Cells/*classification ; Proteome/genetics/isolation & purification/metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 2
    Publication Date: 2016-02-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ettema, Thijs J G -- England -- Nature. 2016 Mar 3;531(7592):39-40. doi: 10.1038/nature16876. Epub 2016 Feb 3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell and Molecular Biology, Science for Life Laboratory, Uppsala University, SE-75123 Uppsala, Sweden.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26840482" target="_blank"〉PubMed〈/a〉
    Keywords: Eukaryotic Cells/*cytology ; Genes, Bacterial/*genetics ; Genes, Mitochondrial/*genetics ; Mitochondria/*genetics ; *Phylogeny ; Prokaryotic Cells/*cytology ; Symbiosis/*genetics
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 3
    Publication Date: 2016-02-06
    Description: The position of Xenacoelomorpha in the tree of life remains a major unresolved question in the study of deep animal relationships. Xenacoelomorpha, comprising Acoela, Nemertodermatida, and Xenoturbella, are bilaterally symmetrical marine worms that lack several features common to most other bilaterians, for example an anus, nephridia, and a circulatory system. Two conflicting hypotheses are under debate: Xenacoelomorpha is the sister group to all remaining Bilateria (= Nephrozoa, namely protostomes and deuterostomes) or is a clade inside Deuterostomia. Thus, determining the phylogenetic position of this clade is pivotal for understanding the early evolution of bilaterian features, or as a case of drastic secondary loss of complexity. Here we show robust phylogenomic support for Xenacoelomorpha as the sister taxon of Nephrozoa. Our phylogenetic analyses, based on 11 novel xenacoelomorph transcriptomes and using different models of evolution under maximum likelihood and Bayesian inference analyses, strongly corroborate this result. Rigorous testing of 25 experimental data sets designed to exclude data partitions and taxa potentially prone to reconstruction biases indicates that long-branch attraction, saturation, and missing data do not influence these results. The sister group relationship between Nephrozoa and Xenacoelomorpha supported by our phylogenomic analyses implies that the last common ancestor of bilaterians was probably a benthic, ciliated acoelomate worm with a single opening into an epithelial gut, and that excretory organs, coelomic cavities, and nerve cords evolved after xenacoelomorphs separated from the stem lineage of Nephrozoa.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cannon, Johanna Taylor -- Vellutini, Bruno Cossermelli -- Smith, Julian 3rd -- Ronquist, Fredrik -- Jondelius, Ulf -- Hejnol, Andreas -- England -- Nature. 2016 Feb 4;530(7588):89-93. doi: 10.1038/nature16520.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Naturhistoriska Riksmuseet, PO Box 50007, SE-104 05 Stockholm, Sweden. ; Sars International Centre for Marine Molecular Biology, University of Bergen, Thormohlensgate 55, 5008 Bergen, Norway. ; Department of Biology, Winthrop University, 701 Oakland Avenue, Rock Hill, South Carolina 29733, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26842059" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Structures/anatomy & histology ; Animals ; Aquatic Organisms/*classification/genetics ; Bayes Theorem ; Genes ; Likelihood Functions ; Male ; Models, Biological ; *Phylogeny ; Transcriptome
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 4
    Publication Date: 2015-08-13
    Description: Tropical mountains are hot spots of biodiversity and endemism, but the evolutionary origins of their unique biotas are poorly understood. In varying degrees, local and regional extinction, long-distance colonization, and local recruitment may all contribute to the exceptional character of these communities. Also, it is debated whether mountain endemics mostly originate from local lowland taxa, or from lineages that reach the mountain by long-range dispersal from cool localities elsewhere. Here we investigate the evolutionary routes to endemism by sampling an entire tropical mountain biota on the 4,095-metre-high Mount Kinabalu in Sabah, East Malaysia. We discover that most of its unique biodiversity is younger than the mountain itself (6 million years), and comprises a mix of immigrant pre-adapted lineages and descendants from local lowland ancestors, although substantial shifts from lower to higher vegetation zones in this latter group were rare. These insights could improve forecasts of the likelihood of extinction and 'evolutionary rescue' in montane biodiversity hot spots under climate change scenarios.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Merckx, Vincent S F T -- Hendriks, Kasper P -- Beentjes, Kevin K -- Mennes, Constantijn B -- Becking, Leontine E -- Peijnenburg, Katja T C A -- Afendy, Aqilah -- Arumugam, Nivaarani -- de Boer, Hugo -- Biun, Alim -- Buang, Matsain M -- Chen, Ping-Ping -- Chung, Arthur Y C -- Dow, Rory -- Feijen, Frida A A -- Feijen, Hans -- Feijen-van Soest, Cobi -- Geml, Jozsef -- Geurts, Rene -- Gravendeel, Barbara -- Hovenkamp, Peter -- Imbun, Paul -- Ipor, Isa -- Janssens, Steven B -- Jocque, Merlijn -- Kappes, Heike -- Khoo, Eyen -- Koomen, Peter -- Lens, Frederic -- Majapun, Richard J -- Morgado, Luis N -- Neupane, Suman -- Nieser, Nico -- Pereira, Joan T -- Rahman, Homathevi -- Sabran, Suzana -- Sawang, Anati -- Schwallier, Rachel M -- Shim, Phyau-Soon -- Smit, Harry -- Sol, Nicolien -- Spait, Maipul -- Stech, Michael -- Stokvis, Frank -- Sugau, John B -- Suleiman, Monica -- Sumail, Sukaibin -- Thomas, Daniel C -- van Tol, Jan -- Tuh, Fred Y Y -- Yahya, Bakhtiar E -- Nais, Jamili -- Repin, Rimi -- Lakim, Maklarin -- Schilthuizen, Menno -- England -- Nature. 2015 Aug 20;524(7565):347-50. doi: 10.1038/nature14949. Epub 2015 Aug 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Naturalis Biodiversity Center, Darwinweg 2, 2333 CR Leiden, The Netherlands. ; Institute of Biology Leiden, Leiden University, Sylviusweg 72, 2333 BE Leiden, The Netherlands. ; Groningen Institute for Evolutionary Life Sciences, University of Groningen, Nijenborg 7, 9747 AG Groningen, The Netherlands. ; Wageningen University &Research centre, Marine Animal Ecology Group, PO Box 338, 6700 AH Wageningen, The Netherlands. ; Department of Environmental Science, Policy, &Management, University of California Berkeley, 130 Mulford Hall #3114, Berkeley, California 94720, USA. ; Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands. ; Institute for Tropical Biology and Conservation, Universiti Malaysia Sabah, Jalan UMS, 88400 Kota Kinabalu, Sabah, Malaysia. ; Faculty of Earth Science, Universiti Malaysia Kelantan, Jeli Campus, Locked bag No.100, 17600 Jeli, Kelantan Darul Naim, Malaysia. ; Department of Organismal Biology, Uppsala University, Norbyvagen 18D, 75236 Uppsala, Sweden. ; Natural History Museum, University of Oslo, P.O. Box 1172 Blindern, NO-0318 Oslo, Norway. ; Sabah Parks, Lot 45 &46, Level 1-5, Blok H, KK Times Square, 88806 Kota Kinabalu, Sabah, Malaysia. ; Forest Research Centre, Sabah Forestry Department, P.O. Box 1407, 90175 Sandakan, Sabah, Malaysia. ; Wageningen University, Department of Plant Sciences, Laboratory of Molecular Biology, 6700AP Wageningen, The Netherlands. ; University of Applied Sciences Leiden, Zernikedreef 11, 2333 CK Leiden, The Netherlands. ; Faculty of Resource Science and Technology, Universiti Malaysia Sarawak, 94300 Kota Samarahan, Sarawak, Malaysia. ; Botanic Garden Meise, Nieuwelaan 38, 1860 Meise, Belgium. ; Royal Belgian Institute of Natural Sciences, Aquatic and Terrestrial Ecology, Vautierstraat 29, 1000 Brussels, Belgium. ; Rutgers, The State University of New Jersey, Department of Biological Sciences, 195 University Avenue, Boyden Hall, Newark, New Jersey 07102, USA. ; Zoological Institute, University of Cologne, Zulpicher Strasse 47b, D-50674 Cologne, Germany. ; Natuurmuseum Fryslan, Schoenmakersperk 2, 8911 EM Leeuwarden, The Netherlands. ; EEB Department, University of Connecticut, 75 N. Eagleville Road, Storrs, Connecticut 06269-3043, USA. ; School of Biological Sciences, University of Hong Kong, Pok Fu Lam Road, Hong Kong, China. ; Singapore Botanic Gardens, 1 Cluny Road, 259569 Singapore, Republic of Singapore.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26266979" target="_blank"〉PubMed〈/a〉
    Keywords: *Altitude ; Animal Migration ; Animals ; *Biota ; Climate Change ; DNA Barcoding, Taxonomic ; Extinction, Biological ; Introduced Species/*statistics & numerical data ; Malaysia ; Molecular Sequence Data ; *Phylogeny ; *Phylogeography ; Plants/classification/genetics ; Time Factors ; *Tropical Climate
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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