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  • 1
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    Nervous system targets of RNA editing identified by comparative genomics (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-08-09
    Description: An unknown number of precursor messenger RNAs undergo genetic recoding by modification of adenosine to inosine, a reaction catalyzed by the adenosine deaminases acting on RNA (ADARs). Discovery of these edited transcripts has always been serendipitous. Using comparative genomics, we identified a phylogenetic signature of RNA editing. We report the identification and experimental verification of 16 previously unknown ADAR target genes in the fruit fly Drosophila and one in humans-more than the sum total previously reported. All of these genes are involved in rapid electrical and chemical neurotransmission, and many of the edited sites recode conserved and functionally important amino acids. These results point to a pivotal role for RNA editing in nervous system function.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hoopengardner, Barry -- Bhalla, Tarun -- Staber, Cynthia -- Reenan, Robert -- R01 GM062291/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2003 Aug 8;301(5634):832-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics and Developmental Biology, University of Connecticut Health Center, 263 Farmington Avenue, Farmington, CT 06030, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12907802" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine/metabolism ; Adenosine Deaminase/*metabolism ; Animals ; Base Sequence ; Drosophila/*genetics ; Drosophila melanogaster/genetics ; *Genes, Insect ; Genomics ; Humans ; Inosine/metabolism ; Ion Channel Gating ; Ion Channels/*genetics/metabolism ; Molecular Sequence Data ; Nervous System/metabolism ; Phylogeny ; Potassium Channels/genetics/metabolism ; *RNA Editing ; RNA-Binding Proteins ; Reverse Transcriptase Polymerase Chain Reaction ; Synapses ; *Synaptic Transmission
    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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  • 2
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    Segregation distortion induced by wild-type RanGAP in Drosophila (2002)
    National Academy of Sciences
    Details
    Publication Date: 2002-05-07
    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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  • 3
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    Highly Contiguous Genome Assemblies of 15 Drosophila Species Generated Using Nanopore Sequencing (2018)
    Genetics Society of America (GSA)
    Details
    Publication Date: 2018-10-04
    Description: The Drosophila genus is a unique group containing a wide range of species that occupy diverse ecosystems. In addition to the most widely studied species, Drosophila melanogaster , many other members in this genus also possess a well-developed set of genetic tools. Indeed, high-quality genomes exist for several species within the genus, facilitating studies of the function and evolution of cis -regulatory regions and proteins by allowing comparisons across at least 50 million years of evolution. Yet, the available genomes still fail to capture much of the substantial genetic diversity within the Drosophila genus. We have therefore tested protocols to rapidly and inexpensively sequence and assemble the genome from any Drosophila species using single-molecule sequencing technology from Oxford Nanopore. Here, we use this technology to present highly contiguous genome assemblies of 15 Drosophila species: 10 of the 12 originally sequenced Drosophila species ( ananassae , erecta , mojavensis , persimilis , pseudoobscura , sechellia , simulans , virilis , willistoni , and yakuba ), four additional species that had previously reported assemblies ( biarmipes , bipectinata , eugracilis , and mauritiana ), and one novel assembly ( triauraria ). Genomes were generated from an average of 29x depth-of-coverage data that after assembly resulted in an average contig N50 of 4.4 Mb. Subsequent alignment of contigs from the published reference genomes demonstrates that our assemblies could be used to close over 60% of the gaps present in the currently published reference genomes. Importantly, the materials and reagents cost for each genome was approximately $1,000 (USD). This study demonstrates the power and cost-effectiveness of long-read sequencing for genome assembly in Drosophila and provides a framework for the affordable sequencing and assembly of additional Drosophila genomes.
    Electronic ISSN: 2160-1836
    Topics: Biology
    Published by Genetics Society of America (GSA)
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