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  • 1
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    Genome sequence of an obligate intracellular pathogen of humans: Chlamydia trachomatis (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-10-23
    Description: Analysis of the 1,042,519-base pair Chlamydia trachomatis genome revealed unexpected features related to the complex biology of chlamydiae. Although chlamydiae lack many biosynthetic capabilities, they retain functions for performing key steps and interconversions of metabolites obtained from their mammalian host cells. Numerous potential virulence-associated proteins also were characterized. Several eukaryotic chromatin-associated domain proteins were identified, suggesting a eukaryotic-like mechanism for chlamydial nucleoid condensation and decondensation. The phylogenetic mosaic of chlamydial genes, including a large number of genes with phylogenetic origins from eukaryotes, implies a complex evolution for adaptation to obligate intracellular parasitism.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stephens, R S -- Kalman, S -- Lammel, C -- Fan, J -- Marathe, R -- Aravind, L -- Mitchell, W -- Olinger, L -- Tatusov, R L -- Zhao, Q -- Koonin, E V -- Davis, R W -- AI 39258/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1998 Oct 23;282(5389):754-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Program in Infectious Diseases, University of California, Berkeley, CA 94720, USA. ctgenome@socrates.berkeley.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9784136" target="_blank"〉PubMed〈/a〉
    Keywords: Aerobiosis ; Amino Acid Sequence ; Amino Acids/biosynthesis ; Bacterial Outer Membrane Proteins/genetics ; Bacterial Proteins/chemistry/genetics ; Biological Evolution ; Chlamydia trachomatis/classification/*genetics/metabolism/physiology ; DNA Repair ; Energy Metabolism ; Enzymes/chemistry/genetics ; *Genome, Bacterial ; Humans ; Lipids/biosynthesis ; Molecular Sequence Data ; Peptidoglycan/biosynthesis/genetics ; Phylogeny ; Protein Biosynthesis ; Recombination, Genetic ; *Sequence Analysis, DNA ; Transcription, Genetic ; Transformation, Bacterial ; Virulence
    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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    Requirement of mammalian Timeless for circadian rhythmicity (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-10-18
    Description: Despite a central circadian role in Drosophila for the transcriptional regulator Timeless (dTim), the relevance of mammalian Timeless (mTim) remains equivocal. Conditional knockdown of mTim protein expression in the rat suprachiasmatic nucleus (SCN) disrupted SCN neuronal activity rhythms, and altered levels of known core clock elements. Full-length mTim protein (mTIM-fl) exhibited a 24-hour oscillation, where as a truncated isoform (mTIM-s) was constitutively expressed. mTIM-fl associated with the mammalian clock Period proteins (mPERs) in oscillating SCN cells. These data suggest that mTim is required for rhythmicity and is a functional homolog of dTim on the negative-feedback arm of the mammalian molecular clockwork.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barnes, Jessica W -- Tischkau, Shelley A -- Barnes, Jeffrey A -- Mitchell, Jennifer W -- Burgoon, Penny W -- Hickok, Jason R -- Gillette, Martha U -- GM07143/GM/NIGMS NIH HHS/ -- HL67007/HL/NHLBI NIH HHS/ -- NS10170/NS/NINDS NIH HHS/ -- NS11134/NS/NINDS NIH HHS/ -- NS11158/NS/NINDS NIH HHS/ -- NS22155/NS/NINDS NIH HHS/ -- NS35859/NS/NINDS NIH HHS/ -- R01 HL067007/HL/NHLBI NIH HHS/ -- R01 NS022155/NS/NINDS NIH HHS/ -- R01 NS035859/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2003 Oct 17;302(5644):439-42.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell and Structural Biology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14564007" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Clocks ; Cell Cycle Proteins ; Cell Line ; *Circadian Rhythm ; Cryptochromes ; *Drosophila Proteins ; Electrophysiology ; *Eye Proteins ; Flavoproteins/metabolism ; Humans ; In Vitro Techniques ; Intracellular Signaling Peptides and Proteins ; Neurons/physiology ; Nuclear Proteins/metabolism ; Oligonucleotides, Antisense/pharmacology ; Period Circadian Proteins ; *Photoreceptor Cells, Invertebrate ; RNA Interference ; RNA, Messenger/genetics/metabolism ; Rats ; Rats, Inbred Strains ; Receptors, G-Protein-Coupled ; Reverse Transcriptase Polymerase Chain Reaction ; Suprachiasmatic Nucleus/*physiology ; Transcription Factors/chemistry/genetics/*metabolism ; Transfection
    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)
    Location Call Number Expected Availability
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    PAPER CURRENT
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