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  • Molecular Sequence Data  (94)
  • Gene Expression Regulation  (37)
  • American Association for the Advancement of Science (AAAS)  (121)
  • American Meteorological Society
  • Blackwell Publishing Ltd
  • Copernicus
  • Hindawi
  • Institute of Electrical and Electronics Engineers
  • Molecular Diversity Preservation International
  • Springer Nature
  • 2020-2022
  • 2010-2014
  • 1985-1989  (121)
  • 1960-1964
  • 1988  (121)
Collection
Keywords
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  • American Association for the Advancement of Science (AAAS)  (121)
  • American Meteorological Society
  • Blackwell Publishing Ltd
  • Copernicus
  • Hindawi
    • +
Years
  • 2020-2022
  • 2010-2014
  • 1985-1989  (121)
  • 1960-1964
Year
  • 1
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    A "selfish" B chromosome that enhances its transmission by eliminating the paternal genome (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-04-22
    Description: In the parasitic wasp, Nasonia vitripennis, males are haploid and usually develop from unfertilized eggs, whereas females are diploid and develop from fertilized eggs. Some individuals in this species carry a genetic element, termed psr (paternal sex ratio), which is transmitted through sperm and causes condensation and subsequent loss of paternal chromosomes in fertilized eggs, thus converting diploid females into haploid males. In this report the psr trait was shown to be caused by a supernumerary chromosome. This B chromosome contains at least three repetitive DNA sequences that do not cross-hybridize to each other or to the host genome. The psr chromosome apparently produces a trans-acting product responsible for condensation of the paternal chromosomes, but is itself insensitive to the effect. Because the psr chromosome enhances its transmission by eliminating the rest of the genome, it can be considered the most "selfish" genetic element yet described.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nur, U -- Werren, J H -- Eickbush, D G -- Burke, W D -- Eickbush, T H -- GM31867/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1988 Apr 22;240(4851):512-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, University of Rochester, NY 14627.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3358129" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Chromosomes/*physiology ; Cloning, Molecular ; DNA, Satellite ; Diploidy ; Haploidy ; Hymenoptera/*genetics ; Molecular Sequence Data ; Repetitive Sequences, Nucleic Acid ; Sex Determination Analysis ; *Sex Ratio ; Wasps/*genetics
    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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    Molecular cloning of odorant-binding protein: member of a ligand carrier family (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-07-15
    Description: Odorant-binding protein (OBP) is found in nasal epithelium, and it selectively binds odorants. Three complementary DNAs encoding rat odorant-binding protein have now been cloned and sequenced. One clone contains an open reading frame predicted to encode an 18,091-dalton protein. RNA blot analysis confirms the localization of OBP messenger RNA in the nasal epithelium. This OBP has 33 percent amino acid identity to alpha 2-microglobulin, a secreted plasma protein. Other members of an alpha 2-microglobulin superfamily bind and transport hydrophobic ligands. Thus, OBP probably binds and carries odorants within the nasal epithelium to putative olfactory receptors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pevsner, J -- Reed, R R -- Feinstein, P G -- Snyder, S H -- DA-00074/DA/NIDA NIH HHS/ -- GM-07626/GM/NIGMS NIH HHS/ -- P01 CA16519-13/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1988 Jul 15;241(4863):336-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD 21205.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3388043" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Carrier Proteins/*genetics ; Cloning, Molecular ; Ligands ; Membrane Proteins/*genetics ; Molecular Sequence Data ; Nasal Mucosa/*physiology ; Rats ; *Receptors, Odorant ; Smell/*physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
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    Helix signals in proteins (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-06-17
    Description: The alpha helix, first proposed by Pauling and co-workers, is a hallmark of protein structure, and much effort has been directed toward understanding which sequences can form helices. The helix hypothesis, introduced here, provides a tentative answer to this question. The hypothesis states that a necessary condition for helix formation is the presence of residues flanking the helix termini whose side chains can form hydrogen bonds with the initial four-helix greater than N-H groups and final four-helix greater than C-O groups; these eight groups would otherwise lack intrahelical partners. This simple hypothesis implies the existence of a stereochemical code in which certain sequences have the hydrogen-bonding capacity to function as helix boundaries and thereby enable the helix to form autonomously. The three-dimensional structure of a protein is a consequence of the genetic code, but the rules relating sequence to structure are still unknown. The ensuing analysis supports the idea that a stereochemical code for the alpha helix resides in its boundary residues.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Presta, L G -- Rose, G D -- AG 06084/AG/NIA NIH HHS/ -- GM 29458/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1988 Jun 17;240(4859):1632-41.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Chemistry, Hershey Medical Center, Pennsylvania State University, Hershey 17033.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2837824" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Carboxypeptidases ; Carboxypeptidases A ; Cytochrome c Group ; Flavodoxin ; Humans ; Hydrogen Bonding ; Models, Chemical ; Molecular Sequence Data ; Muramidase ; Myoglobin ; Pancreatic Polypeptide ; Parvalbumins ; Plastocyanin ; *Protein Conformation ; Ribonucleases ; Scorpion Venoms ; Tetrahydrofolate Dehydrogenase ; Triose-Phosphate Isomerase ; Trypsin Inhibitors ; X-Ray Diffraction
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    Characterization of a helical protein designed from first principles (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-08-19
    Description: The question of how the primary amino acid sequence of a protein determines its three-dimensional structure is still unanswered. One approach to this problem involves the de novo design of model peptides and proteins that should adopt desired three-dimensional structures. A systematic approach was aimed at the design of a four-helix bundle protein. The gene encoding the designed protein was synthesized and the protein was expressed in Escherichia coli and purified to homogeneity. The protein was shown to be monomeric, highly helical, and very stable to denaturation by guanidine hydrochloride (GuHCl). Thus a globular protein has been designed that is capable of adopting a stable, folded structure in aqueous solution.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Regan, L -- DeGrado, W F -- New York, N.Y. -- Science. 1988 Aug 19;241(4868):976-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉E. I. du Pont de Nemours & Company, Central Research & Development Department, Wilmington, DE 19898.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3043666" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Chemical Phenomena ; Chemistry ; Chromatography, Gel ; Escherichia coli/genetics ; Molecular Sequence Data ; Plasmids ; *Protein Conformation ; *Proteins/genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
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    Mammalian glucocorticoid receptor derivatives enhance transcription in yeast (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-08-19
    Description: In mammalian cells, the glucocorticoid receptor binds specifically to glucocorticoid response element (GRE) DNA sequences and enhances transcription from linked promoters. It is shown here that derivatives of the glucocorticoid receptor also enhance transcription when expressed in yeast. Receptor-mediated enhancement in yeast was observed in fusions of GRE sequences to the yeast cytochrome c1 (CYC1) promoter; the CYC1 upstream activator sequences were not essential, since enhancement was observed in fusions of GREs to mutant CYC1 promoters retaining only the TATA region and transcription startpoints. It is concluded that the receptor operates by a common, highly conserved mechanism in yeast and mammalian cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schena, M -- Yamamoto, K R -- CA20535-12/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1988 Aug 19;241(4868):965-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Biophysics, University of California, San Francisco 94143.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3043665" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; DNA/metabolism ; *Enhancer Elements, Genetic ; Gene Expression Regulation ; Immunoassay ; Plasmids ; Promoter Regions, Genetic ; Rats ; Receptors, Glucocorticoid/*genetics ; Saccharomyces cerevisiae/*genetics ; *Transcription, Genetic
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    DNA looping (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-04-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schleif, R -- New York, N.Y. -- Science. 1988 Apr 8;240(4849):127-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, Brandeis University, Waltham, Massachusetts 02254.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3353710" target="_blank"〉PubMed〈/a〉
    Keywords: DNA/*genetics ; DNA-Binding Proteins/physiology ; Eukaryotic Cells/physiology ; Gene Expression Regulation ; Nucleic Acid Conformation ; Prokaryotic Cells/physiology ; Regulatory Sequences, Nucleic Acid
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
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    A newly characterized HLA DQ beta allele associated with pemphigus vulgaris (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-02-26
    Description: The inheritance of particular alleles of major histocompatibility complex class II genes increases the risk for various human autoimmune diseases; however, only a small percentage of individuals having an allele associated with susceptibility develop disease. The identification of allelic variants more precisely correlated with disease susceptibility would greatly facilitate clinical screening and diagnosis. Oligonucleotide-primed gene amplification in vitro was used to determine the nucleotide sequence of a class II variant found almost exclusively in patients with the autoimmune skin disease pemphigus vulgaris. In addition to clinical implications, the disease-restricted distribution of this variant should provide insight into the molecular mechanisms underlying associations between diseases and HLA-class II genes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sinha, A A -- Brautbar, C -- Szafer, F -- Friedmann, A -- Tzfoni, E -- Todd, J A -- Steinman, L -- McDevitt, H O -- New York, N.Y. -- Science. 1988 Feb 26;239(4843):1026-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medical Microbiology, Stanford University, CA 94305.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2894075" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Autoimmune Diseases/*genetics/immunology ; Base Sequence ; DNA/genetics ; Gene Amplification ; Genetic Variation ; HLA-D Antigens/*genetics ; HLA-DQ Antigens/*genetics/immunology ; HLA-DR Antigens/immunology ; Humans ; Molecular Sequence Data ; Nucleic Acid Hybridization ; Pemphigus/*genetics/immunology ; Polymorphism, Restriction Fragment Length
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 8
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    Cloning of a lymphoid-specific cDNA encoding a protein binding the regulatory octamer DNA motif (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-07-29
    Description: An octamer DNA sequence plays a critical role in directing transcription of immunoglobulin genes in B lymphocytes. A new technique of direct binding of radioactive DNA was used to screen a complementary DNA expression library from the BJAB cell line in lambda gt11 phage to derive molecular cDNA clones representing a putative B lymphocyte-specific octamer binding protein. The plaques were screened with DNA containing four copies of the octamer sequence and positive phage recombinants were identified. The fusion protein produced on inducing a lysogen of one phage bound to a monomeric octamer probe. The cDNA insert from this phage hybridized to messenger RNA found in B lymphocytes, but not in most other cells. Thus, this cDNA derives from a gene (oct-2) that specifies an octamer binding protein expressed preferentially in B lymphocytes, proving that, for at least one gene, a cell-specific transcription factor exists and its amount is controlled through messenger RNA availability.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Staudt, L M -- Clerc, R G -- Singh, H -- LeBowitz, J H -- Sharp, P A -- Baltimore, D -- P01-CA42063/CA/NCI NIH HHS/ -- P30-CAL4051/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1988 Jul 29;241(4865):577-80.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Whitehead Institute for Biomedical Research, Cambridge, MA 02142.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3399892" target="_blank"〉PubMed〈/a〉
    Keywords: Cloning, Molecular ; DNA/genetics ; DNA-Binding Proteins/*physiology ; Gene Expression Regulation ; *Genes ; Humans ; Lymphocytes/*physiology ; *Regulatory Sequences, Nucleic Acid ; Transcription Factors/*physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
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  • 9
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    The effect of histone gene deletions on chromatin structure in Saccharomyces cerevisiae (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-11-04
    Description: As a way of studying nucleosome assembly and maintenance in Saccharomyces cerevisiae, mutants bearing deletions or duplications of the genes encoding histones H2A and H2B were analyzed. Previous genetic analysis had shown that only one of these mutants exhibited dramatic and pleiotropic phenotypes. This mutant was also the only one that contained disrupted chromatin, suggesting that the original phenotypes were attributable to alterations in chromosome structure. The chromatin disruption in the mutant, however, did not extend over the entire genome, but rather was localized to specific regions. Thus, while the arrangement of nucleosomes over the HIS4 and GAL1 genes, the telomeres, and the long terminal repeats (delta sequences) of Ty retrotransposons appeared essentially normal, nucleosomes over the CYH2 and UBI4 genes and the centromere of chromosome III were dramatically disrupted. The observation that the mutant exhibited localized chromatin disruptions implies that the assembly or maintenance of nucleosomes differs over different parts of the yeast genome.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Norris, D -- Dunn, B -- Osley, M A -- GM40118/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1988 Nov 4;242(4879):759-61.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2847314" target="_blank"〉PubMed〈/a〉
    Keywords: Centromere/ultrastructure ; Chromatin/physiology/*ultrastructure ; Chromosome Deletion ; DNA Transposable Elements ; Galactose ; Gene Expression Regulation ; Genes, Fungal ; Histidine ; Histones/*genetics ; Mutation ; Phenotype ; RNA, Messenger/genetics ; Repetitive Sequences, Nucleic Acid ; Saccharomyces cerevisiae/genetics/*ultrastructure ; Transcription, Genetic
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
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    A transcriptional enhancer 3' of C beta 2 in the T cell receptor beta locus (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-07-08
    Description: Run-on transcription experiments were used to demonstrate that transcription of T cell receptor beta chain V genes is activated by DNA rearrangement, in a manner similar to immunoglobulin genes. A transcriptional enhancer likely to be involved in this activation has been identified. A 25-kilobase region from J beta 1 to V beta 14 was tested for enhancer activity by transient transfections, and an enhancer was found 7.5 kilobases 3' of C beta 2. The beta enhancer has low activity relative to the simian virus 40 viral enhancer, does not display a preference for V beta promoters, has a T cell-specific activity, and binds two purified immunoglobulin heavy chain enhancer factors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McDougall, S -- Peterson, C L -- Calame, K -- GM29361/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1988 Jul 8;241(4862):205-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Chemistry, UCLA School of Medicine 90024.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2968651" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chromosome Mapping ; *Enhancer Elements, Genetic ; Gene Expression Regulation ; Genes, Immunoglobulin ; Immunoglobulin Heavy Chains/genetics ; In Vitro Techniques ; Mice ; Nuclear Proteins/physiology ; Receptors, Antigen, T-Cell/*genetics ; Receptors, Antigen, T-Cell, alpha-beta ; *Regulatory Sequences, Nucleic Acid ; Transcription Factors/physiology ; Transcription, Genetic
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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