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Comparative validation of the D. melanogaster modENCODE transcriptome annotation

Journal Article · · Genome Research
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  1. National Institutes of Health (NIH), Bethesda, MD (United States). National Inst. of Diabetes and Digestive and Kidney Diseases; DOE/OSTI
  2. National Institutes of Health (NIH), Bethesda, MD (United States). National Inst. of Diabetes and Digestive and Kidney Diseases
  3. Baylor Univ., Houston, TX (United States). College of Medicine. Human Genome Sequencing Center
  4. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Life Sciences Division. Dept. of Genome Dynamics
  5. Univ. of California, Berkeley, CA (United States). Dept. of Statistics
  6. RIKEN Omics Science Center Yokohama City (Japan). RIKEN Center for Life Science Technologies. Division of Genomic Technologies. Technology Development Group
  7. National Institutes of Health (NIH), Bethesda, MD (United States). Center for Information Technology. Division of Computational Bioscience
  8. Univ. of California, Davis, CA (United States). Dept. of Evolution and Ecology
  9. National Cancer Institute, Bethesda, MD (United States)
  10. National Institutes of Health (NIH), Bethesda, MD (United States). National Inst. of Arthritis and Musculoskeletal and Skin Diseases. Clinical Trials and Outcomes Branch
  11. National Library of Medicine (NLM), Bethesda, MD (United States)
  12. Indiana Univ., Bloomington, IN (United States). Dept. of Biology
  13. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States). Computer Science and Artificial Intelligence Lab.
  14. Univ. of California, Berkeley, CA (United States). Molecular and Cell Biology
  15. New York Univ. (NYU), NY (United States). Dept. of Biology
  16. California Institute of Technology (CalTech), Pasadena, CA (United States). HHMI and Division of Biology
  17. Univ. of Toronto, ON (Canada). Dept. of Ecology and Evolutionary Biology
  18. Univ. of Connecticut, Farmington, CT (United States). Health Center. Inst. for Systems genomics. Dept. of Genetics and Developmental Biology
  19. RIKEN Omics Science Center Yokohama City (Japan). RIKEN Center for Life Science Technologies. Division of Genomic Technologies. Technology Development Group
Accurate gene model annotation of reference genomes is critical for making them useful. The modENCODE project has improved the D. melanogaster genome annotation by using deep and diverse high-throughput data. Since transcriptional activity that has been evolutionarily conserved is likely to have an advantageous function, we have performed large-scale interspecific comparisons to increase confidence in predicted annotations. To support comparative genomics, we filled in divergence gaps in the Drosophila phylogeny by generating draft genomes for eight new species. For comparative transcriptome analysis, we generated mRNA expression profiles on 81 samples from multiple tissues and developmental stages of 15 Drosophila species, and we performed cap analysis of gene expression in D. melanogaster and D. pseudoobscura. We also describe conservation of four distinct core promoter structures composed of combinations of elements at three positions. Overall, each type of genomic feature shows a characteristic divergence rate relative to neutral models, highlighting the value of multispecies alignment in annotating a target genome that should prove useful in the annotation of other high priority genomes, especially human and other mammalian genomes that are rich in noncoding sequences. We report that the vast majority of elements in the annotation are evolutionarily conserved, indicating that the annotation will be an important springboard for functional genetic testing by the Drosophila community.
Research Organization:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC)
Sponsoring Organization:
USDOE Office of Science (SC), Biological and Environmental Research (BER). Biological Systems Science Division
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1625626
Journal Information:
Genome Research, Journal Name: Genome Research Journal Issue: 7 Vol. 24; ISSN 1088-9051
Publisher:
Cold Spring Harbor Laboratory PressCopyright Statement
Country of Publication:
United States
Language:
English

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  • Roux, Julien; Rosikiewicz, Marta; Robinson‐Rechavi, Marc
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Endogenously Tagged Rab Proteins: A Resource to Study Membrane Trafficking in Drosophila journal May 2015
High rate of translocation-based gene birth on the Drosophila Y chromosome journal October 2017
No Promoter Left Behind (NPLB): learn de novo promoter architectures from genome-wide transcription start sites journal November 2015
Genomics of Ecological Adaptation in Cactophilic Drosophila journal December 2014
Molecular Evolution ofDrosophilaGermline Stem Cell and Neural Stem Cell Regulating Genes journal October 2015
VHICA, a New Method to Discriminate between Vertical and Horizontal Transposon Transfer: Application to the Mariner Family within Drosophila journal December 2015
Rapidly Evolving Toll-3/4 Genes Encode Male-Specific Toll-Like Receptors in Drosophila journal May 2017
SAGD: a comprehensive sex-associated gene database from transcriptomes journal October 2018
Parallel evolution of sperm hyper-activation Ca2+ channels posted_content April 2017
Long Noncoding RNAs as New Architects in Cancer Epigenetics, Prognostic Biomarkers, and Potential Therapeutic Targets journal January 2015
Drosophila (Sophophora) carrolli n. sp., a new species from Brunei, closely related to Drosophila (Sophophora) rhopaloa Bock & Wheeler, 1972 (Diptera: Drosophilidae) journal June 2018
Exploration of the Drosophila buzzatii transposable element content suggests underestimation of repeats in Drosophila genomes journal May 2016
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