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  • 1
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    Genome analysis of the platypus reveals unique signatures of evolution (2008)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2008-05-10
    Description: We present a draft genome sequence of the platypus, Ornithorhynchus anatinus. This monotreme exhibits a fascinating combination of reptilian and mammalian characters. For example, platypuses have a coat of fur adapted to an aquatic lifestyle; platypus females lactate, yet lay eggs; and males are equipped with venom similar to that of reptiles. Analysis of the first monotreme genome aligned these features with genetic innovations. We find that reptile and platypus venom proteins have been co-opted independently from the same gene families; milk protein genes are conserved despite platypuses laying eggs; and immune gene family expansions are directly related to platypus biology. Expansions of protein, non-protein-coding RNA and microRNA families, as well as repeat elements, are identified. Sequencing of this genome now provides a valuable resource for deep mammalian comparative analyses, as well as for monotreme biology and conservation.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2803040/" 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/PMC2803040/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Warren, Wesley C -- Hillier, LaDeana W -- Marshall Graves, Jennifer A -- Birney, Ewan -- Ponting, Chris P -- Grutzner, Frank -- Belov, Katherine -- Miller, Webb -- Clarke, Laura -- Chinwalla, Asif T -- Yang, Shiaw-Pyng -- Heger, Andreas -- Locke, Devin P -- Miethke, Pat -- Waters, Paul D -- Veyrunes, Frederic -- Fulton, Lucinda -- Fulton, Bob -- Graves, Tina -- Wallis, John -- Puente, Xose S -- Lopez-Otin, Carlos -- Ordonez, Gonzalo R -- Eichler, Evan E -- Chen, Lin -- Cheng, Ze -- Deakin, Janine E -- Alsop, Amber -- Thompson, Katherine -- Kirby, Patrick -- Papenfuss, Anthony T -- Wakefield, Matthew J -- Olender, Tsviya -- Lancet, Doron -- Huttley, Gavin A -- Smit, Arian F A -- Pask, Andrew -- Temple-Smith, Peter -- Batzer, Mark A -- Walker, Jerilyn A -- Konkel, Miriam K -- Harris, Robert S -- Whittington, Camilla M -- Wong, Emily S W -- Gemmell, Neil J -- Buschiazzo, Emmanuel -- Vargas Jentzsch, Iris M -- Merkel, Angelika -- Schmitz, Juergen -- Zemann, Anja -- Churakov, Gennady -- Kriegs, Jan Ole -- Brosius, Juergen -- Murchison, Elizabeth P -- Sachidanandam, Ravi -- Smith, Carly -- Hannon, Gregory J -- Tsend-Ayush, Enkhjargal -- McMillan, Daniel -- Attenborough, Rosalind -- Rens, Willem -- Ferguson-Smith, Malcolm -- Lefevre, Christophe M -- Sharp, Julie A -- Nicholas, Kevin R -- Ray, David A -- Kube, Michael -- Reinhardt, Richard -- Pringle, Thomas H -- Taylor, James -- Jones, Russell C -- Nixon, Brett -- Dacheux, Jean-Louis -- Niwa, Hitoshi -- Sekita, Yoko -- Huang, Xiaoqiu -- Stark, Alexander -- Kheradpour, Pouya -- Kellis, Manolis -- Flicek, Paul -- Chen, Yuan -- Webber, Caleb -- Hardison, Ross -- Nelson, Joanne -- Hallsworth-Pepin, Kym -- Delehaunty, Kim -- Markovic, Chris -- Minx, Pat -- Feng, Yucheng -- Kremitzki, Colin -- Mitreva, Makedonka -- Glasscock, Jarret -- Wylie, Todd -- Wohldmann, Patricia -- Thiru, Prathapan -- Nhan, Michael N -- Pohl, Craig S -- Smith, Scott M -- Hou, Shunfeng -- Nefedov, Mikhail -- de Jong, Pieter J -- Renfree, Marilyn B -- Mardis, Elaine R -- Wilson, Richard K -- 062023/Wellcome Trust/United Kingdom -- HG002238/HG/NHGRI NIH HHS/ -- MC_U137761446/Medical Research Council/United Kingdom -- P01 CA013106/CA/NCI NIH HHS/ -- P01 CA013106-37/CA/NCI NIH HHS/ -- R01 GM59290/GM/NIGMS NIH HHS/ -- R01 HG002939/HG/NHGRI NIH HHS/ -- R01 HG004037/HG/NHGRI NIH HHS/ -- R01 HG004037-02/HG/NHGRI NIH HHS/ -- R01HG02385/HG/NHGRI NIH HHS/ -- Medical Research Council/United Kingdom -- England -- Nature. 2008 May 8;453(7192):175-83. doi: 10.1038/nature06936.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Genome Sequencing Center, Washington University School of Medicine, Campus Box 8501, 4444 Forest Park Avenue, St Louis, Missouri 63108, USA. wwarren@wustl.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18464734" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Composition ; Dentition ; *Evolution, Molecular ; Female ; Genome/*genetics ; Genomic Imprinting/genetics ; Humans ; Immunity/genetics ; Male ; Mammals/genetics ; MicroRNAs/genetics ; Milk Proteins/genetics ; Phylogeny ; Platypus/*genetics/immunology/physiology ; Receptors, Odorant/genetics ; Repetitive Sequences, Nucleic Acid/genetics ; Reptiles/genetics ; Sequence Analysis, DNA ; Spermatozoa/metabolism ; Venoms/genetics ; Zona Pellucida/metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 2
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    An exon splice enhancer primes IGF2:IGF2R binding site structure and function evolution (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-12-01
    Description: Placental development and genomic imprinting coevolved with parental conflict over resource distribution to mammalian offspring. The imprinted genes IGF2 and IGF2R code for the growth promoter insulin-like growth factor 2 (IGF2) and its inhibitor, mannose 6-phosphate (M6P)/IGF2 receptor (IGF2R), respectively. M6P/IGF2R of birds and fish do not recognize IGF2. In monotremes, which lack imprinting, IGF2 specifically bound M6P/IGF2R via a hydrophobic CD loop. We show that the DNA coding the CD loop in monotremes functions as an exon splice enhancer (ESE) and that structural evolution of binding site loops (AB, HI, FG) improved therian IGF2 affinity. We propose that ESE evolution led to the fortuitous acquisition of IGF2 binding by M6P/IGF2R that drew IGF2R into parental conflict; subsequent imprinting may then have accelerated affinity maturation.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4658703/" 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/PMC4658703/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Williams, Christopher -- Hoppe, Hans-Jurgen -- Rezgui, Dellel -- Strickland, Madeleine -- Forbes, Briony E -- Grutzner, Frank -- Frago, Susana -- Ellis, Rosamund Z -- Wattana-Amorn, Pakorn -- Prince, Stuart N -- Zaccheo, Oliver J -- Nolan, Catherine M -- Mungall, Andrew J -- Jones, E Yvonne -- Crump, Matthew P -- Hassan, A Bassim -- 082352/Wellcome Trust/United Kingdom -- 090532/Wellcome Trust/United Kingdom -- 9891/Cancer Research UK/United Kingdom -- A13295/Cancer Research UK/United Kingdom -- A9891/Cancer Research UK/United Kingdom -- C375/Cancer Research UK/United Kingdom -- C429/Cancer Research UK/United Kingdom -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2012 Nov 30;338(6111):1209-13. doi: 10.1126/science.1228633.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Organic and Biological Chemistry, School of Chemistry, University of Bristol, Bristol BS8 1TS, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23197533" target="_blank"〉PubMed〈/a〉
    Keywords: *Alternative Splicing ; Amino Acid Sequence ; Animals ; Binding Sites/genetics ; Conserved Sequence ; Enhancer Elements, Genetic/*genetics ; *Evolution, Molecular ; *Exons ; Genomic Imprinting ; Humans ; Insulin-Like Growth Factor II/*chemistry/classification/genetics ; Molecular Sequence Data ; Phylogeny ; Protein Structure, Tertiary ; Receptor, IGF Type 2/*chemistry/classification/genetics ; Species Specificity
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 3
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    The evolution of gene expression levels in mammalian organs (2011)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2011-10-21
    Description: Changes in gene expression are thought to underlie many of the phenotypic differences between species. However, large-scale analyses of gene expression evolution were until recently prevented by technological limitations. Here we report the sequencing of polyadenylated RNA from six organs across ten species that represent all major mammalian lineages (placentals, marsupials and monotremes) and birds (the evolutionary outgroup), with the goal of understanding the dynamics of mammalian transcriptome evolution. We show that the rate of gene expression evolution varies among organs, lineages and chromosomes, owing to differences in selective pressures: transcriptome change was slow in nervous tissues and rapid in testes, slower in rodents than in apes and monotremes, and rapid for the X chromosome right after its formation. Although gene expression evolution in mammals was strongly shaped by purifying selection, we identify numerous potentially selectively driven expression switches, which occurred at different rates across lineages and tissues and which probably contributed to the specific organ biology of various mammals.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brawand, David -- Soumillon, Magali -- Necsulea, Anamaria -- Julien, Philippe -- Csardi, Gabor -- Harrigan, Patrick -- Weier, Manuela -- Liechti, Angelica -- Aximu-Petri, Ayinuer -- Kircher, Martin -- Albert, Frank W -- Zeller, Ulrich -- Khaitovich, Philipp -- Grutzner, Frank -- Bergmann, Sven -- Nielsen, Rasmus -- Paabo, Svante -- Kaessmann, Henrik -- England -- Nature. 2011 Oct 19;478(7369):343-8. doi: 10.1038/nature10532.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Integrative Genomics, University of Lausanne, 1015 Lausanne, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22012392" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Evolution, Molecular ; *Gene Expression Profiling ; Humans ; Phylogeny ; Principal Component Analysis ; RNA, Messenger/*genetics ; X Chromosome/genetics
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 4
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    The evolution of lncRNA repertoires and expression patterns in tetrapods (2014)
    Nature Publishing Group (NPG)
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    Publication Date: 2014-01-28
    Description: Only a very small fraction of long noncoding RNAs (lncRNAs) are well characterized. The evolutionary history of lncRNAs can provide insights into their functionality, but the absence of lncRNA annotations in non-model organisms has precluded comparative analyses. Here we present a large-scale evolutionary study of lncRNA repertoires and expression patterns, in 11 tetrapod species. We identify approximately 11,000 primate-specific lncRNAs and 2,500 highly conserved lncRNAs, including approximately 400 genes that are likely to have originated more than 300 million years ago. We find that lncRNAs, in particular ancient ones, are in general actively regulated and may function predominantly in embryonic development. Most lncRNAs evolve rapidly in terms of sequence and expression levels, but tissue specificities are often conserved. We compared expression patterns of homologous lncRNA and protein-coding families across tetrapods to reconstruct an evolutionarily conserved co-expression network. This network suggests potential functions for lncRNAs in fundamental processes such as spermatogenesis and synaptic transmission, but also in more specific mechanisms such as placenta development through microRNA production.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Necsulea, Anamaria -- Soumillon, Magali -- Warnefors, Maria -- Liechti, Angelica -- Daish, Tasman -- Zeller, Ulrich -- Baker, Julie C -- Grutzner, Frank -- Kaessmann, Henrik -- 099175/Z/12/Z/Wellcome Trust/United Kingdom -- Medical Research Council/United Kingdom -- England -- Nature. 2014 Jan 30;505(7485):635-40. doi: 10.1038/nature12943. Epub 2014 Jan 19.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Center for Integrative Genomics, University of Lausanne, 1015 Lausanne, Switzerland [2] Swiss Institute of Bioinformatics, 1015 Lausanne, Switzerland [3] Laboratory of Developmental Genomics, Ecole Polytechnique Federale de Lausanne (EPFL), 1015 Lausanne, Switzerland (A.N.); Harvard Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, Massachusetts 02138, USA, and Broad Institute, Cambridge, Massachusetts 02142, USA (M.S.). ; 1] Center for Integrative Genomics, University of Lausanne, 1015 Lausanne, Switzerland [2] Swiss Institute of Bioinformatics, 1015 Lausanne, Switzerland. ; The Robinson Institute, School of Molecular and Biomedical Science, University of Adelaide, Adelaide, South Australia 5005, Australia. ; Department of Systematic Zoology, Faculty of Agriculture and Horticulture, Humboldt University Berlin, 10099 Berlin, Germany. ; Department of Genetics, Stanford University School of Medicine, Stanford University, Stanford, California 94305, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24463510" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anura/genetics ; Chickens/genetics ; Conserved Sequence/genetics ; *Evolution, Molecular ; Gene Expression Regulation, Developmental/genetics ; Genomics ; Humans ; Mice ; MicroRNAs/genetics ; Multigene Family ; Primates/genetics ; Proteins/genetics ; RNA Precursors/genetics ; RNA, Long Noncoding/*genetics ; Transcriptome
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 5
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    Origins and functional evolution of Y chromosomes across mammals (2014)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2014-04-25
    Description: Y chromosomes underlie sex determination in mammals, but their repeat-rich nature has hampered sequencing and associated evolutionary studies. Here we trace Y evolution across 15 representative mammals on the basis of high-throughput genome and transcriptome sequencing. We uncover three independent sex chromosome originations in mammals and birds (the outgroup). The original placental and marsupial (therian) Y, containing the sex-determining gene SRY, emerged in the therian ancestor approximately 180 million years ago, in parallel with the first of five monotreme Y chromosomes, carrying the probable sex-determining gene AMH. The avian W chromosome arose approximately 140 million years ago in the bird ancestor. The small Y/W gene repertoires, enriched in regulatory functions, were rapidly defined following stratification (recombination arrest) and erosion events and have remained considerably stable. Despite expression decreases in therians, Y/W genes show notable conservation of proto-sex chromosome expression patterns, although various Y genes evolved testis-specificities through differential regulatory decay. Thus, although some genes evolved novel functions through spatial/temporal expression shifts, most Y genes probably endured, at least initially, because of dosage constraints.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cortez, Diego -- Marin, Ray -- Toledo-Flores, Deborah -- Froidevaux, Laure -- Liechti, Angelica -- Waters, Paul D -- Grutzner, Frank -- Kaessmann, Henrik -- England -- Nature. 2014 Apr 24;508(7497):488-93. doi: 10.1038/nature13151.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Center for Integrative Genomics, University of Lausanne, 1015 Lausanne, Switzerland [2] Swiss Institute of Bioinformatics, 1015 Lausanne, Switzerland. ; The Robinson Research Institute, School of Molecular and Biomedical Science, University of Adelaide, Adelaide, South Australia 5005, Australia. ; Center for Integrative Genomics, University of Lausanne, 1015 Lausanne, Switzerland. ; School of Biotechnology and Biomolecular Sciences, UNSW Australia, Sydney, New South Wales 2052, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24759410" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Birds/genetics ; Conserved Sequence/genetics ; *Evolution, Molecular ; Female ; Gene Dosage/genetics ; Genes, sry/genetics ; Genomics ; High-Throughput Nucleotide Sequencing ; Male ; Mammals/*genetics ; Marsupialia/genetics ; Receptors, Peptide/genetics ; Receptors, Transforming Growth Factor beta/genetics ; Selection, Genetic/genetics ; Sex Chromosomes/genetics ; Spatio-Temporal Analysis ; Spermatogenesis/genetics ; Testis/metabolism ; Transcriptome/genetics ; Y Chromosome/*genetics
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 6
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    From The Cover: Resolution and evolution of the duck-billed platypus karyotype with an X1Y1X2Y2X3Y3X4Y4X5Y5 male sex chromosome constitution (2004)
    National Academy of Sciences
    Details
    Publication Date: 2004-11-08
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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  • 7
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    Ancestry of the Australian Termitivorous Numbat (2013)
    Oxford University Press
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    Publication Date: 2013-04-16
    Description: The Australian numbat, Myrmecobius fasciatus , is the only marsupial that feeds almost exclusively on termites and that has a life following the diurnally restricted and dynamic geographical distribution of termites. The millions of years of this adaptation led to unique morphological and anatomical features, especially basicranial and dental characteristics, that make it difficult to identify a clear phylogenetic affiliation to other marsupials. From DNA sequence analyses, the family Myrmecobiidae is placed within the dasyuromorph marsupials, but the exact position varies from study to study, and support values are mostly rather modest. Here, we report the recovery and analysis of approximately 110,000 quasifossilized traces of mobile element insertions into the genome of a dasyurid marsupial (Tasmanian devil), 25 of which are phylogenetically informative for early dasyuromorphial evolution. Fourteen of these ancient retroposon insertions are shared by the 16 Dasyuromorphia species analyzed, including the numbat, but are absent in the outgroups. An additional 11 other insertions are present in all Dasyuridae but are absent in the numbat. These findings place numbats as the sister group to all living Dasyuridae and show that the investigated Dasyuromorphia, including the Myrmecobiidae, constitutes a monophyletic group that is separated from Peramelemorphia, Notoryctemorphia, and other marsupials.
    Print ISSN: 0737-4038
    Electronic ISSN: 1537-1719
    Topics: Biology
    Published by Oxford University Press
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