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  • Articles  (52)
  • Genes  (52)
  • American Association for the Advancement of Science (AAAS)  (52)
  • American Association of Petroleum Geologists (AAPG)
  • Wiley
  • 1985-1989  (52)
  • 1975-1979
  • 1955-1959
  • 1987  (23)
  • 1985  (29)
Collection
  • Articles  (52)
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  • American Association for the Advancement of Science (AAAS)  (52)
  • American Association of Petroleum Geologists (AAPG)
  • Wiley
  • Springer  (1)
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  • 1985-1989  (52)
  • 1975-1979
  • 1955-1959
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  • 1
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    Functional regions of the envelope glycoprotein of human immunodeficiency virus type 1 (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-09-11
    Description: The envelope of the human immunodeficiency virus type 1 (HIV-1) plays a central role in the process of virus entry into the host cell and in the cytopathicity of the virus for lymphocytes bearing the CD4 molecule. Mutations that affect the ability of the envelope glycoprotein to form syncytia in CD4+ cells can be divided into five groups: those that decrease the binding of the envelope protein to the CD4 molecule, those that prevent a post-binding fusion reaction, those that disrupt the anchorage of the envelope glycoprotein in the membrane, those that affect the association of the two subunits of the envelope glycoprotein, and those that affect post-translational proteolytic processing of the envelope precursor protein. These findings provide a functional model of the HIV envelope glycoprotein.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kowalski, M -- Potz, J -- Basiripour, L -- Dorfman, T -- Goh, W C -- Terwilliger, E -- Dayton, A -- Rosen, C -- Haseltine, W -- Sodroski, J -- AI24755/AI/NIAID NIH HHS/ -- CA40658/CA/NCI NIH HHS/ -- CA40659/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1987 Sep 11;237(4820):1351-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3629244" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Genes ; Genes, Viral ; Glycoproteins/analysis/*genetics ; HIV/*genetics ; Mutation ; Phenotype ; Plasmids ; Viral Envelope Proteins/analysis/*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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  • 2
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    Determination of anteroposterior polarity in Drosophila (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-12-18
    Description: The principles of pattern formation in embryogenesis can be studied in Drosophila by means of a powerful combination of genetic and transplantation experiments. The segmented pattern of the Drosophila embryo is organized by two activities localized at the anterior and posterior egg poles. Both activities exert inducing and polarizing effects on the pattern when transplanted to other egg regions. A small set of maternal genes have been identified that are required for these activities. Mutants in these genes lack either the anterior or posterior part of the segmented pattern. The unsegmented terminal embryonic regions require a third class of genes and form independently of the anterior and posterior centers.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nusslein-Volhard, C -- Frohnhofer, H G -- Lehmann, R -- New York, N.Y. -- Science. 1987 Dec 18;238(4834):1675-81.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Max-Planck-Institut fur Entwicklungsbiologie, Tubingen, Federal Republic of Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3686007" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Drosophila/cytology/*embryology/genetics ; Embryo, Nonmammalian/cytology/physiology ; Genes ; Mutation ; Phenotype
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  • 3
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    Pancreatic neoplasia induced by SV40 T-antigen expression in acinar cells of transgenic mice (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-10-09
    Description: Three lines of transgenic mice were produced that develop pancreatic neoplasms as a consequence of expression of an elastase I-SV40 T-antigen fusion gene in the acinar cells. A developmental analysis suggests at least a two-stage process in the ontogeny of this disease. The first stage is a T antigen-induced, preneoplastic state characterized by a progression from hyperplasia to dysplasia of the exocrine pancreas, by an increased percentage of tetraploid cells, and by an arrest in acinar cell differentiation. The second stage is characterized by the formation of tumor nodules that appear to be monoclonal, because they have discrete aneuploid DNA contents. The cells within the nodules as compared to normal pancreatic tissue have less total RNA by a factor of 5, less pancreas-specific messenger RNA by a factor of about 50, and increased levels of T-antigen messenger RNA. A tumor cell line has been derived that retains both pancreatic and neoplastic properties.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ornitz, D M -- Hammer, R E -- Messing, A -- Palmiter, R D -- Brinster, R L -- GM-07266/GM/NIGMS NIH HHS/ -- HD-09172/HD/NICHD NIH HHS/ -- NS-00956/NS/NINDS NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1987 Oct 9;238(4824):188-93.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute Laboratory, University of Washington, Seattle 98195.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2821617" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, Polyomavirus Transforming/*genetics ; *Cell Transformation, Neoplastic ; DNA Restriction Enzymes ; Genes ; Genes, Viral ; Mice ; Mice, Transgenic ; Pancreatic Elastase/genetics ; Pancreatic Neoplasms/genetics/*microbiology/pathology ; Protein Kinases/*genetics ; RNA, Messenger/genetics ; Simian virus 40/*genetics
    Print ISSN: 0036-8075
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  • 4
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    Variable occurrence of the nrdB intron in the T-even phages suggests intron mobility (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-07-10
    Description: The bacteriophage T4 nrdB gene, encoding nucleoside diphosphate reductase subunit B, contains a self-splicing group I intervening sequence. The nrdB intron was shown to be absent from the genomes of the closely related T-even phages T2 and T6. Evidence for variable intron distribution was provided by autocatalytic 32P-guanosine 5'-triphosphate labeling of T-even RNAs, DNA and RNA hybridization analyses, and DNA sequencing studies. The results indicate the nonessential nature of the intron in nrdB expression and phage viability. Furthermore, they suggest that either precise intron loss from T2 and T6 or lateral intron acquisition by T4 occurred since the evolution of these phages from a common ancestor. Intron movement in the course of T-even phage divergence raises provocative questions about the origin of these self-splicing elements in prokaryotes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pedersen-Lane, J -- Belfort, M -- GM 33314/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1987 Jul 10;237(4811):182-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3037701" target="_blank"〉PubMed〈/a〉
    Keywords: *DNA Transposable Elements ; Genes ; *Genes, Viral ; *Introns ; Phylogeny ; RNA Splicing ; RNA, Messenger/genetics ; RNA, Viral/genetics ; Ribonucleoside Diphosphate Reductase/*genetics ; Ribonucleotide Reductases/*genetics ; T-Phages/*genetics ; Viral Proteins/*genetics
    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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  • 5
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    Identification of human uromodulin as the Tamm-Horsfall urinary glycoprotein (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-04-03
    Description: The primary structure of human uromodulin, a 616-amino acid, 85-kilodalton glycoprotein with in vitro immunosuppressive properties, was determined through isolation and characterization of complementary DNA and genomic clones. The amino acid sequence encoded by one of the exons of the uromodulin gene has homology to the low-density-lipoprotein receptor and the epidermal growth factor precursor. Northern hybridization analyses demonstrate that uromodulin is synthesized by the kidney. Evidence is provided that uromodulin is identical to the previously characterized Tamm-Horsfall glycoprotein, the most abundant protein in normal human urine.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennica, D -- Kohr, W J -- Kuang, W J -- Glaister, D -- Aggarwal, B B -- Chen, E Y -- Goeddel, D V -- New York, N.Y. -- Science. 1987 Apr 3;236(4797):83-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3453112" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Amino Acids/analysis ; Base Sequence ; Chemistry, Physical ; Cloning, Molecular ; Cysteine ; DNA/genetics ; Gene Expression Regulation ; Genes ; Glycoproteins/*genetics ; Humans ; Mucoproteins/*analysis/*genetics ; Peptide Fragments/analysis ; Physicochemical Phenomena ; RNA, Messenger/genetics ; Uromodulin
    Print ISSN: 0036-8075
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  • 6
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    Gene dosage of the amyloid beta precursor protein in Alzheimer's disease (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-10-30
    Description: The progressive deposition in the human brain of amyloid filaments composed of the amyloid beta protein is a principal feature of Alzheimer's disease (AD). Densitometric analysis of Southern blots probed with a complementary DNA for the amyloid protein has been carried out to determine the relative dosage of this gene in genomic DNA of 14 patients with AD, 12 aged normal subjects, and 10 patients with trisomy 21 (Down syndrome). Whereas patients in the last group showed the expected 1.5-fold increase in dosage of this gene, none of the patients with AD had a gene dosage higher than that of the normal controls. These results do not support the hypothesis that the genetic defect in AD involves duplication of a segment of chromosome 21 containing the amyloid gene. Alternative mechanisms for the brain-specific increase in amyloid protein deposition in AD should be considered.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Podlisny, M B -- Lee, G -- Selkoe, D J -- AGO2741/AG/NIA NIH HHS/ -- AGO6173/AG/NIA NIH HHS/ -- New York, N.Y. -- Science. 1987 Oct 30;238(4827):669-71.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurology, Harvard Medical School, Boston, MA 02115.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2960019" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Aged, 80 and over ; Alzheimer Disease/*genetics ; Amyloid/*genetics ; Amyloid beta-Peptides ; Chromosomes, Human, Pair 21 ; DNA/genetics ; Down Syndrome/genetics ; Genes ; Humans ; Leukocytes/physiology
    Print ISSN: 0036-8075
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  • 7
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    Identification of a novel thyroid hormone receptor expressed in the mammalian central nervous system (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-09-25
    Description: A complementary DNA clone derived from rat brain messenger RNA has been isolated on the basis of homology to the human thyroid hormone receptor gene. Expression of this complementary DNA produces a high-affinity binding protein for thyroid hormones. Sequence analysis and the mapping of this gene to a distinct human genetic locus indicate the existence of multiple human thyroid hormone receptors. Messenger RNA from this gene is expressed in a tissue-specific fashion with highest levels in the central nervous system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Thompson, C C -- Weinberger, C -- Lebo, R -- Evans, R M -- GM-266444-09/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1987 Sep 25;237(4822):1610-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3629259" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Brain/*physiology ; DNA/genetics ; DNA-Binding Proteins/*genetics ; Gene Expression Regulation ; Genes ; Humans ; RNA, Messenger/genetics ; Rats ; Receptors, Thyroid Hormone/*genetics/metabolism ; Tissue Distribution ; Triiodothyronine/metabolism
    Print ISSN: 0036-8075
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  • 8
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    Absence of duplication of chromosome 21 genes in familial and sporadic Alzheimer's disease (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-10-30
    Description: The possibility that Alzheimer's disease (AD) is caused by overexpression or duplication of one or more genes on chromosome 21 has been raised by the observation of AD-like neuropathologic changes in individuals with Down syndrome and by the mapping of both the defect for familial AD and the amyloid beta protein gene to this autosome. Possible duplication on chromosome 21 was investigated in both familial and sporadic AD by means of restriction fragment length polymorphisms for the amyloid and SODI loci, as well as for DNA markers in the vicinity of the familial AD defect and in the critical Down syndrome region of chromosome 21. No evidence of increased DNA dosage was observed in either brain or leukocytes of patients with inherited or sporadic forms of AD. Duplication of these regions is therefore not a frequent event in either form of AD. Furthermore, no significant allelic association was detected between AD and any of the loci, including the amyloid and SODI genes, providing no support for the hypothesis that defects in these specific genes are the primary cause of AD.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉St George-Hyslop, P H -- Tanzi, R E -- Polinsky, R J -- Neve, R L -- Pollen, D -- Drachman, D -- Growdon, J -- Cupples, L A -- Nee, L -- Myers, R H -- ADRC P50 AGO5134-02/AD/ADAMHA HHS/ -- NS20012/NS/NINDS NIH HHS/ -- R01 AGO6865-1/AG/NIA NIH HHS/ -- New York, N.Y. -- Science. 1987 Oct 30;238(4827):664-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Neurogenetics Laboratory, Massachusetts General Hospital, Boston.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2890206" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Alzheimer Disease/*genetics ; Amyloid/genetics ; *Chromosomes, Human, Pair 21 ; Genes ; Genetic Linkage ; Humans ; Polymorphism, Restriction Fragment Length
    Print ISSN: 0036-8075
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  • 9
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    Dorsal, an embryonic polarity gene in Drosophila, is homologous to the vertebrate proto-oncogene, c-rel (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-10-30
    Description: The Drosophila gene, dorsal, is a maternal effect locus that is essential for the establishment of dorsal-ventral polarity in the developing embryo. The dorsal protein was predicted from the complementary DNA sequence; it is almost 50 percent identical, over an extensive region, to the protein encoded by the avian oncogene v-rel, its cellular homolog, c-rel, and a human c-rel fragment. The oncogene v-rel is highly oncogenic in avian lymphoid, spleen, and bone marrow cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Steward, R -- New York, N.Y. -- Science. 1987 Oct 30;238(4827):692-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Princeton University, NJ 08544.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3118464" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; DNA/genetics ; Drosophila melanogaster/embryology/*genetics ; Genes ; Molecular Sequence Data ; *Morphogenesis ; Oogenesis ; Proto-Oncogene Proteins/*genetics ; *Proto-Oncogenes ; Sequence Homology, Nucleic Acid
    Print ISSN: 0036-8075
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  • 10
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    The amyloid beta protein gene is not duplicated in brains from patients with Alzheimer's disease (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-10-30
    Description: Complementary DNAs (cDNAs) encoding portions of the amyloid beta protein were used to investigate possible amyloid gene duplication in sporadic Alzheimer's disease. A strategy employing two Eco RI restriction fragment length polymorphisms (RFLPs) detected by the amyloid cDNAs was used. RFLPs allow the detection of a 2:1 gene dosage in the DNA of any individual who is heterozygous for a particular RFLP. The amyloid gene regions homologous to the cDNAs used were not duplicated in the DNA from brains of individuals with sporadic Alzheimer's disease. Similar results were also obtained with a strategy employing a test for 3:2 gene dosage.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tanzi, R E -- Bird, E D -- Latt, S A -- Neve, R L -- HD 18658/HD/NICHD NIH HHS/ -- MH/NS 31862/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 1987 Oct 30;238(4827):666-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Genetics and Mental Retardation Center, Children's Hospital, Boston, MA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2890207" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Alzheimer Disease/*genetics ; Amyloid/*genetics ; Amyloid beta-Peptides ; Chromosomes, Human, Pair 17 ; Chromosomes, Human, Pair 21 ; DNA/genetics ; Genes ; Humans ; Microtubule-Associated Proteins/genetics ; Polymorphism, Restriction Fragment Length ; tau Proteins
    Print ISSN: 0036-8075
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  • 11
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    Reduction to homozygosity of genes on chromosome 11 in human breast neoplasia (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-10-09
    Description: The somatic loss of heterozygosity for normal alleles occurring in human tumors has suggested the presence of recessive oncogenes. The results presented here demonstrate a loss of heterozygosity of several genes on chromosome 11 in primary breast tumors. Restriction fragment length polymorphism analysis of these DNAs further suggests that the most frequent loss of sequences in breast tumors occurs between the beta-globin and parathyroid hormone loci on the short arm of chromosome 11. The loss of heterozygosity for chromosome 11 loci has a significant association with tumors that lack estrogen and progesterone receptors, grade III tumors, and distal metastasis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ali, I U -- Lidereau, R -- Theillet, C -- Callahan, R -- New York, N.Y. -- Science. 1987 Oct 9;238(4824):185-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Tumor Immunology and Biology, National Cancer Institute, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3659909" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Breast Neoplasms/*genetics ; Chromosome Aberrations ; Chromosome Deletion ; Chromosome Mapping ; *Chromosomes, Human, Pair 11 ; Female ; Genes ; *Homozygote ; Humans ; Proto-Oncogenes
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  • 12
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    Identification of the iron-responsive element for the translational regulation of human ferritin mRNA (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-12-11
    Description: Regulated translation of messenger RNA offers an important mechanism for the control of gene expression. The biosynthesis of the intracellular iron storage protein ferritin is translationally regulated by iron. A cis-acting element that is both necessary and sufficient for this translational regulation is present within the 5' nontranslated leader region of the human ferritin H-chain messenger RNA. In this report the iron-responsive element (IRE) was identified by deletional analysis. Moreover, a synthetic oligodeoxynucleotide was shown to be able to transfer iron regulation to a construct that would otherwise not be able to respond to iron. The IRE has been highly conserved and predates the evolutionary segregation between amphibians, birds, and man. The IRE may prove to be useful for the design of translationally regulated expression systems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hentze, M W -- Caughman, S W -- Rouault, T A -- Barriocanal, J G -- Dancis, A -- Harford, J B -- Klausner, R D -- New York, N.Y. -- Science. 1987 Dec 11;238(4833):1570-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cell Biology and Metabolism Branch, National Institute of Child Health and Human Development, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3685996" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Chromosome Deletion ; Ferritins/*genetics ; *Gene Expression Regulation ; Genes ; Humans ; Iron/*pharmacology ; Molecular Sequence Data ; Plasmids ; Promoter Regions, Genetic/*drug effects ; *Protein Biosynthesis ; RNA, Messenger/*genetics
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  • 13
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    Diversity of alpha-fetoprotein gene expression in mice is generated by a combination of separate enhancer elements (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-01-02
    Description: The 5' flanking region of the mouse alpha-fetoprotein (AFP) gene contains a tissue-specific promoter and three upstream regulatory elements that behave as classical enhancers. At least one of these enhancers is now shown to be required for the tissue-specific expression of the AFP gene when it is introduced into the mouse genome by microinjection of cloned DNA fragments into fertilized eggs. Each enhancer can direct expression in the appropriate tissues, the visceral endoderm of the yolk sac, the fetal liver, and the gastrointestinal tract, but each exerts different influence in these three tissues. These differences may explain the tissue-specific diversity in the levels of expression characteristic of the AFP gene. The postnatal repression of transcription of the AFP gene in both liver and gut, as well as the reinitiation of its transcription during liver regeneration, is mimicked by the introduced gene when it is linked to the enhancer domains together or singly. Thus, the DNA sequence elements responsible for directing the activation of AFP transcription, its repression, and reinduction are contained in a limited segment of DNA within or 5' to the gene (or both) and are operative in the absence of the closely linked albumin gene.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hammer, R E -- Krumlauf, R -- Camper, S A -- Brinster, R L -- Tilghman, S M -- CA06927/CA/NCI NIH HHS/ -- CA28050/CA/NCI NIH HHS/ -- HD17321/HD/NICHD NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1987 Jan 2;235(4784):53-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2432657" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cloning, Molecular ; *Enhancer Elements, Genetic ; Gene Expression Regulation ; Genes ; *Genes, Regulator ; Intestines/physiology ; Liver/physiology ; Mice ; Promoter Regions, Genetic ; RNA, Messenger/genetics ; Tissue Distribution ; Transcription, Genetic ; Transfection ; Yolk Sac/physiology ; alpha-Fetoproteins/*genetics
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  • 14
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    Structurally divergent human T cell receptor gamma proteins encoded by distinct C gamma genes (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-07-03
    Description: The human T cell receptor (TCR) gamma polypeptide occurs in structurally distinct forms on certain peripheral blood T lymphocytes. Complementary DNA clones representing the transcripts of functionally rearranged TCR gamma genes in these cells have been analyzed. The expression of a disulfide-linked and a nondisulfide-linked form of TCR gamma correlates with the use of the C gamma 1 and C gamma 2 constant-region gene segments, respectively. Variability in TCR gamma polypeptide size and disulfide linkage is determined by the number of copies and the sequence of a repeated segment of the constant region. Thus C gamma 1 and C gamma 2 are used to generate structurally distinct, yet functional, T3-associated receptor complexes on peripheral blood lymphocytes. Tryptic peptide mapping suggests that the T3-associated TCR gamma and delta peptides in the nondisulfide-linked form are distinct.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Krangel, M S -- Band, H -- Hata, S -- McLean, J -- Brenner, M B -- 1-KO1-AM01598/AM/NIADDK NIH HHS/ -- 1-RO1-GM38308/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1987 Jul 3;237(4810):64-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2955517" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Exons ; Genes ; Humans ; Peptide Fragments/*genetics ; Receptors, Antigen, T-Cell/*genetics ; Receptors, Antigen, T-Cell, gamma-delta ; Repetitive Sequences, Nucleic Acid ; T-Lymphocytes/*physiology
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  • 15
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    Sequence of a probable potassium channel component encoded at Shaker locus of Drosophila (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-08-14
    Description: Potassium currents are crucial for the repolarization of electrically excitable membranes, a role that makes potassium channels a target for physiological modifications that alter synaptic efficacy. The Shaker locus of Drosophila is thought to encode a K+ channel. The sequence of two complementary DNA clones from the Shaker locus is reported here. The sequence predicts an integral membrane protein of 70,200 daltons containing seven potential membrane-spanning sequences. In addition, the predicted protein is homologous to the vertebrate sodium channel in a region previously proposed to be involved in the voltage-dependent activation of the Na+ channel. These results support the hypothesis that Shaker encodes a structural component of a voltage-dependent K+ channel and suggest a conserved mechanism for voltage activation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tempel, B L -- Papazian, D M -- Schwarz, T L -- Jan, Y N -- Jan, L Y -- NS15963/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1987 Aug 14;237(4816):770-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2441471" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Codon ; DNA/*genetics ; Drosophila melanogaster/*genetics ; Electrophorus/genetics ; Genes ; *Ion Channels ; Membrane Proteins/*genetics ; Mutation ; Potassium/*metabolism ; Sodium/metabolism
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  • 16
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    High-speed chromosome sorting (1987)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1987-10-16
    Description: Dual-beam high-speed sorting has been developed to facilitate purification of chromosomes based on DNA staining with the fluorescent dyes Hoechst 33258 and chromomycin A3. Approximately 200 chromosomes per second of two types can be sorted from a suspension of chromosomes isolated from human lymphoblasts while fluorescent objects (chromosomes, debris fragments, chromosome clumps, and nuclei) are processed at the rate of about 20,000 per second. This sorting rate is approximately ten times that possible with conventional sorters. Chromosomes of a single type can be sorted with a purity of about 90 percent. DNA from the sorted chromosomes is suitable for construction of recombinant DNA libraries and for gene mapping.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gray, J W -- Dean, P N -- Fuscoe, J C -- Peters, D C -- Trask, B J -- van den Engh, G J -- Van Dilla, M A -- HD17655/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1987 Oct 16;238(4825):323-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biomedical Sciences Division, Lawrence Livermore National Laboratory, CA 94550.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2443974" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bisbenzimidazole ; Cell Fractionation/*methods ; Chromomycin A3 ; Chromosomes/*ultrastructure ; Chromosomes, Human/ultrastructure ; Cloning, Molecular ; DNA/isolation & purification ; DNA, Recombinant ; Flow Cytometry ; Fluorescent Dyes ; Genes ; Humans
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  • 17
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    Identification of putative human T cell receptor delta complementary DNA clones (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-10-30
    Description: A novel T cell receptor (TCR) subunit termed TCR delta, associated with TCR gamma and CD3 polypeptides, was recently found on a subpopulation of human T lymphocytes. T cell-specific complementary DNA clones present in a human TCR gamma delta T cell complementary DNA library were obtained and characterized in order to identify candidate clones encoding TCR delta. One cross-hybridizing group of clones detected transcripts that are expressed in lymphocytes bearing TCR gamma delta but not in other T lymphocytes and are encoded by genes that are rearranged in TCR gamma delta lymphocytes but deleted in other T lymphocytes. Their sequences indicate homology to the variable, joining, and constant elements of other TCR and immunoglobulin genes. These characteristics, as well as the immunochemical data presented in a companion paper, are strong evidence that the complementary DNA clones encode TCR delta.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hata, S -- Brenner, M B -- Krangel, M S -- 1-K01-AM01598/AM/NIADDK NIH HHS/ -- New York, N.Y. -- Science. 1987 Oct 30;238(4827):678-82.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Tumor Virology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA 02115.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3499667" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Cloning, Molecular ; DNA/genetics ; Genes ; Humans ; Membrane Proteins/genetics ; Molecular Sequence Data ; RNA, Messenger/genetics ; Receptors, Antigen, T-Cell/*genetics ; T-Lymphocytes/*physiology
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  • 18
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    Human beta 2 interferon and B-cell differentiation factor BSF-2 are identical (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-02-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sehgal, P B -- May, L T -- Tamm, I -- Vilcek, J -- New York, N.Y. -- Science. 1987 Feb 13;235(4790):731-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3492764" target="_blank"〉PubMed〈/a〉
    Keywords: B-Lymphocytes/*immunology ; Colony-Stimulating Factors/genetics ; Genes ; Growth Substances/*genetics ; Humans ; Interferon Type I/*genetics ; Interleukin-4 ; Lymphokines/*genetics ; Sequence Homology, Nucleic Acid
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  • 19
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    Broad attack launched on the nervous system (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-12-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barnes, D M -- New York, N.Y. -- Science. 1987 Dec 18;238(4834):1651-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3686006" target="_blank"〉PubMed〈/a〉
    Keywords: Alzheimer Disease/*metabolism ; Amnesia/*psychology ; Brain/*physiopathology ; Genes ; Humans ; Infant ; Male ; *Memory ; Middle Aged ; Nerve Tissue Proteins/analysis ; *Nervous System Physiological Phenomena ; Receptors, Cholinergic/genetics ; tau Proteins
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  • 20
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    Disruption of the Dictyostelium myosin heavy chain gene by homologous recombination (1987)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1987-05-29
    Description: The phenomenon of homologous recombination, which allows specific gene conversion and gene insertion, can be a powerful system for the study of eukaryotic cell biology. Data are presented demonstrating that integration of a transfected plasmid by homologous recombination occurs in the motile eukaryotic cell Dictyostelium discoideum. A plasmid carrying a G418 resistance gene and the amino terminal half of the myosin heavy chain gene was used to transfect Dictyostelium. A large fraction of the resultant G418-resistant cells had the plasmid integrated into the single genomic copy of the heavy chain gene. These cells, which fail to express the native myosin but express the myosin fragment, are defective in cytokinesis and become large and multinucleate. In spite of the absence of native myosin, these cells, termed hmm cells, exhibit many forms of cell movement, including membrane ruffling, phagocytosis, and chemotaxis. The hmm cells can aggregate but are blocked at a later stage in the Dictyostelium developmental cycle. The hmm cells revert to the wild-type phenotype. Reversion of the hmm phenotype is due to excision and loss of the transforming plasmid. The revertant cells express native myosin, are G418 sensitive, and have a normal developmental cycle. These results constitute genetic proof that the intact myosin molecule is required for cytokinesis and not for karyokinesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉De Lozanne, A -- Spudich, J A -- GM33289/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1987 May 29;236(4805):1086-91.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3576222" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Division ; Cell Movement ; Dictyostelium/*genetics/physiology ; Genes ; Genetic Vectors ; Myosins/*genetics/physiology ; Phenotype ; Plasmids
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  • 21
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    Sevenless, a cell-specific homeotic gene of Drosophila, encodes a putative transmembrane receptor with a tyrosine kinase domain (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-04-03
    Description: The determination of cell fates during the assembly of the ommatidia in the compound eye of Drosophila appears to be controlled by cell-cell interactions. In this process, the sevenless gene is essential for the development of a single type of photoreceptor cell. In the absence of proper sevenless function the cells that would normally become the R7 photoreceptors instead become nonneuronal cells. Previous morphological and genetic analysis has indicated that the product of the sevenless gene is involved in reading or interpreting the positional information that specifies this particular developmental pathway. The sevenless gene has now been isolated and characterized. The data indicate that sevenless encodes a transmembrane protein with a tyrosine kinase domain. This structural similarity between sevenless and certain hormone receptors suggests that similar mechanisms are involved in developmental decisions based on cell-cell interaction and physiological or developmental changes induced by diffusible factors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hafen, E -- Basler, K -- Edstroem, J E -- Rubin, G M -- GM32795/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1987 Apr 3;236(4797):55-63.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2882603" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Chromosome Mapping ; Cloning, Molecular ; DNA Restriction Enzymes ; Drosophila melanogaster/*embryology/genetics ; Eye/cytology/embryology ; Gene Expression Regulation ; Genes ; *Genes, Homeobox ; Growth Substances/physiology ; Membrane Proteins/genetics ; Phenotype ; Protein-Tyrosine Kinases/*genetics/physiology ; Receptors, Cell Surface/*genetics/physiology ; Transcription, Genetic
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  • 22
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    Cloning, sequencing, and expression of the gene coding for the human platelet alpha 2-adrenergic receptor (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-10-30
    Description: The gene for the human platelet alpha 2-adrenergic receptor has been cloned with oligonucleotides corresponding to the partial amino acid sequence of the purified receptor. The identity of this gene has been confirmed by the binding of alpha 2-adrenergic ligands to the cloned receptor expressed in Xenopus laevis oocytes. The deduced amino acid sequence is most similar to the recently cloned human beta 2- and beta 1-adrenergic receptors; however, similarities to the muscarinic cholinergic receptors are also evident. Two related genes have been identified by low stringency Southern blot analysis. These genes may represent additional alpha 2-adrenergic receptor subtypes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kobilka, B K -- Matsui, H -- Kobilka, T S -- Yang-Feng, T L -- Francke, U -- Caron, M G -- Lefkowitz, R J -- Regan, J W -- New York, N.Y. -- Science. 1987 Oct 30;238(4827):650-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Medicine, Duke University Medical Center, Durham, NC 27710.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2823383" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Blood Platelets/*physiology ; Cloning, Molecular ; GTP-Binding Proteins/metabolism ; Gene Expression Regulation ; Genes ; Humans ; Infant, Newborn ; Membrane Proteins/*genetics ; Molecular Sequence Data ; Multigene Family ; Oligodeoxyribonucleotides ; Phosphoproteins/genetics ; Receptors, Adrenergic, alpha/*genetics
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  • 23
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    The T cell receptor (1987)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1987-11-20
    Description: The primary structure of T cell receptor proteins and genes is well understood. Immunologists are now trying to understand the properties of these interesting molecules. Evidence suggests that T cell alpha beta receptors recognize a complex of an antigen-derived peptide bound to one of the cell-surface products of the major histocompatibility complex (MHC) genes. It is likely that alpha beta receptors and MHC proteins have coevolved to have some affinity for each other. During T cell development in the thymus, cells bearing self-reactive receptors are deleted by the mechanisms of tolerance, and cells are preferentially allowed to mature if they bear receptors that will be able to recognize antigen plus self-MHC after they have become full-fledged T cells. Some explanations for these phenomena have been tested, but no satisfactory theory can yet be proposed to account for them.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marrack, P -- Kappler, J -- AI17134/AI/NIAID NIH HHS/ -- AI18785/AI/NIAID NIH HHS/ -- AI22295/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1987 Nov 20;238(4830):1073-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Medicine, National Jewish Center for Immunology and Respiratory Medicine, Denver, CO 80206.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3317824" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Genes ; Histocompatibility Antigens Class II/*physiology ; Humans ; Immune Tolerance ; Macromolecular Substances ; Major Histocompatibility Complex ; Mice ; Receptors, Antigen, T-Cell/*physiology ; T-Lymphocytes/*physiology ; Thymus Gland/physiology
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  • 24
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    Intrinsic and extrinsic factors in protein antigenic structure (1985)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1985-09-06
    Description: Recent advances in the preparation of synthetic peptide vaccines and the use of synthetic peptides as probes of antigenic structure and function have led to renewed interest in the prediction of antigenic sites recognized by antibodies and T cells. This review focuses on antibodies. Features intrinsic to the antigen, such as hydrophilicity and mobility, may be useful in the selection of amino acid sequences of the native protein that will elicit antibodies cross-reacting with peptides, or sequences which, as peptides, will be more likely to elicit antibodies cross-reactive with the native protein. Structural mobility may also contribute to protein-protein interactions in general. However, the entire accessible surface of a protein is likely to be detectable by a large enough panel of antibodies. Which of these antibodies are made in any individual depends on factors extrinsic to the antigen molecule, host factors such as self-tolerance, immune response genes, idiotype networks, and the immunoglobulin structural gene repertoire.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Berzofsky, J A -- New York, N.Y. -- Science. 1985 Sep 6;229(4717):932-40.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2410982" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Antibody Specificity ; Antigen-Antibody Complex ; B-Lymphocytes/immunology ; Clone Cells/immunology ; *Epitopes ; Genes ; Genes, MHC Class II ; Humans ; Immune Tolerance ; Immunoglobulin Idiotypes ; Lymphocyte Cooperation ; Motion ; Myoglobin/immunology ; Probability ; Protein Conformation ; Proteins/*immunology ; Solubility ; Structure-Activity Relationship ; Surface Properties ; T-Lymphocytes, Helper-Inducer/immunology ; T-Lymphocytes, Regulatory/immunology ; Water
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  • 25
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    Plasticity of the differentiated state (1985)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1985-11-15
    Description: Heterokaryons provide a model system in which to examine how tissue-specific phenotypes arise and are maintained. When muscle cells are fused with nonmuscle cells, muscle gene expression is activated in the nonmuscle cell type. Gene expression was studied either at a single cell level with monoclonal antibodies or in mass cultures at a biochemical and molecular level. In all of the nonmuscle cell types tested, including representatives of different embryonic lineages, phenotypes, and developmental stages, muscle gene expression was induced. Differences among cell types in the kinetics, frequency, and gene dosage requirements for gene expression provide clues to the underlying regulatory mechanisms. These results show that the expression of genes in the nuclei of differentiated cells is remarkably plastic and susceptible to modulation by the cytoplasm. The isolation of the genes encoding the tissue-specific trans-acting regulators responsible for muscle gene activation should now be possible.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Blau, H M -- Pavlath, G K -- Hardeman, E C -- Chiu, C P -- Silberstein, L -- Webster, S G -- Miller, S C -- Webster, C -- GM07149/GM/NIGMS NIH HHS/ -- GM26717/GM/NIGMS NIH HHS/ -- HD18179/HD/NICHD NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1985 Nov 15;230(4727):758-66.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2414846" target="_blank"〉PubMed〈/a〉
    Keywords: Aged ; Animals ; Antibodies, Monoclonal ; *Cell Differentiation ; Cell Fusion ; Cell Nucleus/ultrastructure ; Epidermis/cytology ; Fetus/metabolism ; Fibroblasts/cytology ; Gene Expression Regulation ; Genes ; HeLa Cells/metabolism ; Humans ; Hybrid Cells/metabolism ; Keratins/physiology ; Kinetics ; Liver/cytology ; Mice ; Muscle Development ; Muscles/cytology ; Myosins/genetics ; Phenotype ; Transcription, Genetic ; Transcriptional Activation
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  • 26
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    Tissue factor gene localized to human chromosome 1 (1pter----1p21) (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-09-06
    Description: Tissue factor (tissue thromboplastin, coagulation factor III), a protein component of cell membranes, is an essential cofactor for factor VII-dependent initiation of blood coagulation. Since no tissue factor-deficient condition has been described, it is one of only a few proteins of the coagulation system for which the pattern of inheritance has not been ascertained. Because of the species-specificity of tissue factor activity and the availability of a very sensitive chromogenic assay, it was possible in the present study to use somatic cell hybrids to assign the chromosomal location of the tissue factor structural gene (F3) to human chromosome 1 (1pter----1p21).〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Carson, S D -- Henry, W M -- Shows, T B -- GM-20454/GM/NIGMS NIH HHS/ -- HD-05196/HD/NICHD NIH HHS/ -- HL-31408/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1985 Sep 6;229(4717):991-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/4023720" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Chromosomes, Human, 1-3 ; Genes ; Humans ; Hybrid Cells ; Mice ; Thromboplastin/*genetics ; Translocation, Genetic
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  • 27
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    A novel mechanism of somatic rearrangement predicted by a human T-cell antigen receptor beta-chain complementary DNA (1985)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1985-06-07
    Description: The T-cell antigen receptor is a cell surface molecule vital in mediating the cellular immune response. The arrangement and rearrangement of the gene segments encoding the beta-chain polypeptide of the receptor are similar to those of immunoglobulin gene segments. The two constant region genes of the human T-cell antigen receptor are 8 kilobases apart with a cluster of joining segments located 5' of each constant region gene. Although most beta-chain gene rearrangements involve the variable, diversity, and joining segments, analysis of a beta-chain complementary DNA clone suggests the occasional occurrence of another type of rearrangement.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Duby, A D -- Klein, K A -- Murre, C -- Seidman, J G -- AI-19438/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1985 Jun 7;228(4704):1204-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3839095" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; DNA/genetics ; Genes ; Humans ; Macromolecular Substances ; Receptors, Antigen, T-Cell/*genetics ; Recombination, Genetic
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  • 28
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    Gene for alpha-chain of human T-cell receptor: location on chromosome 14 region involved in T-cell neoplasms (1985)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1985-03-01
    Description: A human complementary DNA clone specific for the alpha-chain of the T-cell receptor and a panel of rodent X human somatic cell hybrids were used to map the alpha-chain gene to human chromosome 14 in a region proximal to the immunoglobulin heavy chain locus. Analysis by means of in situ hybridization of human metaphase chromosomes served to further localize the alpha-chain gene to region 14q11q12, which is consistently involved in translocations and inversions detectable in human T-cell leukemias and lymphomas. Thus, the locus for the alpha-chain T-cell receptor may participate in oncogene activation in T-cell tumors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Croce, C M -- Isobe, M -- Palumbo, A -- Puck, J -- Ming, J -- Tweardy, D -- Erikson, J -- Davis, M -- Rovera, G -- CA 10 815/CA/NCI NIH HHS/ -- CA16685/CA/NCI NIH HHS/ -- CA215875/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1985 Mar 1;227(4690):1044-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3919442" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Chromosome Mapping ; Chromosomes, Human, 13-15 ; DNA/genetics ; Genes ; Humans ; Hybrid Cells/metabolism ; Immunoglobulin Heavy Chains/*genetics ; Immunoglobulin alpha-Chains/*genetics ; Leukemia/genetics ; Lymphoma/genetics ; Mice ; Nucleic Acid Hybridization ; Receptors, Antigen, T-Cell/*genetics ; T-Lymphocytes ; Translocation, 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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  • 29
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    Rescue of the Drosophila phototransduction mutation trp by germline transformation (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-11-29
    Description: Phototransduction is the process by which light-stimulated photoreceptor cells of the visual system send electrical signals to the nervous system. Many of the steps that follow the initial event in phototransduction, absorption of light by rhodopsin, are ill-defined. The fruitfly, Drosophila melanogaster, provides a means to dissect phototransduction genetically. Mutations such as transient receptor potential (trp) affect intermediate steps in phototransduction. In order to facilitate molecular studies of phototransduction, the trp gene was isolated and its identity was confirmed by complementing the mutant trpCM allele of the trp gene by P-element mediated germline transformation of a 7.1-kilobase DNA fragment. Expression of the trp gene begins late in pupal development and appears to be limited to the eyes and ocelli.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Montell, C -- Jones, K -- Hafen, E -- Rubin, G -- New York, N.Y. -- Science. 1985 Nov 29;230(4729):1040-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3933112" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; DNA/genetics ; Drosophila melanogaster/*genetics/physiology ; Gene Expression Regulation ; Genes ; Mutation ; Ocular Physiological Phenomena ; RNA, Messenger/genetics ; *Vision, Ocular
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  • 30
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    Diversity of circumsporozoite antigen genes from two strains of the malarial parasite Plasmodium knowlesi (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-08-23
    Description: The complete nucleotide sequence of the coding region of the circumsporozoite antigen gene (CS gene) of the Nuri strain of the malarial parasite Plasmodium knowlesi is presented. The gene from the Nuri strain exhibits a novel form of sequence diversity when compared to the CS gene from the H strain. Instead of the 12 tandem repeating 36-base pair units of the H strain, the Nuri strain contains 16 tandem repeating 27-base pair units of a different nucleotide sequence that encodes a different repeating peptide. In contrast, the 5' and 3' coding and noncoding sequences flanking the repeats are 98 percent conserved in both strains.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sharma, S -- Svec, P -- Mitchell, G H -- Godson, G N -- 1 R01 AI21496-01/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1985 Aug 23;229(4715):779-82.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/4023712" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antigens, Protozoan/*genetics ; Antigens, Surface/genetics ; Base Sequence ; Genes ; Molecular Sequence Data ; Plasmodium/*genetics/immunology ; Protozoan Proteins/*genetics ; Repetitive Sequences, Nucleic Acid
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    The T-cell receptor--the genes and beyond (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-02-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1985 Feb 15;227(4688):733-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3969562" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Genes ; Glycoproteins/immunology ; Histocompatibility Antigens/immunology ; Humans ; Receptors, Antigen, T-Cell/*genetics ; Thymus Gland/immunology
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  • 32
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    Cassette of eight exons shared by genes for LDL receptor and EGF precursor (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-05-17
    Description: The amino acid sequences of the human low-density lipoprotein (LDL) receptor and the human precursor for epidermal growth factor (EGF) show 33 percent identity over a stretch of 400 residues. This region of homologous is encoded by eight contiguous exons in each respective gene. Of the nine introns that separate these exons, five are located in identical positions in the two protein sequences. This finding suggests that the homologous region may have resulted from a duplication of an ancestral gene and that the two genes evolved further by recruitment of exons from other genes, which provided the specific functional domains of the LDL receptor and the EGF precursor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sudhof, T C -- Russell, D W -- Goldstein, J L -- Brown, M S -- Sanchez-Pescador, R -- Bell, G I -- HL 01287/HL/NHLBI NIH HHS/ -- HL 20948/HL/NHLBI NIH HHS/ -- HL 31346/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1985 May 17;228(4701):893-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3873704" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; *Base Sequence ; Biological Evolution ; Cloning, Molecular ; Epidermal Growth Factor/*genetics ; Genes ; Humans ; Protein Precursors/genetics ; Receptors, LDL/*genetics ; Repetitive Sequences, Nucleic Acid
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  • 33
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    Locus of the alpha-chain of the T-cell receptor is split by chromosome translocation in T-cell leukemias (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-08-23
    Description: Mouse lymphoma cells were hybridized with two human acute T-cell leukemias with a t(11;14) (p13;q11) translocation and the segregated hybrids were examined for the presence of the DNA segments coding for the constant (C) and the variable (V) regions of the alpha chain (C alpha and V alpha) of the T-cell receptor. The C alpha segment was translocated to the involved chromosome 11 (11p+) while the V alpha segment remained on the involved chromosome 14 (14q-). The data indicate that the locus for the alpha chain of the T-cell receptor is split by the chromosomal breakpoint between the V alpha and the C alpha gene segments, and that the V alpha segments are proximal to the C alpha segment within chromosome band 14q11.2.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Erikson, J -- Williams, D L -- Finan, J -- Nowell, P C -- Croce, C M -- CA16685/CA/NCI NIH HHS/ -- CA36521/CA/NCI NIH HHS/ -- CA39860/CA/NCI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1985 Aug 23;229(4715):784-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3875152" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chromosome Mapping ; *Chromosomes, Human, 13-15 ; *Chromosomes, Human, 6-12 and X ; Gene Expression Regulation ; Genes ; Humans ; Leukemia/*genetics ; Oncogenes ; Receptors, Antigen, T-Cell/*genetics ; T-Lymphocytes/physiology ; *Translocation, Genetic
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  • 34
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    Repression of the immunoglobulin heavy chain enhancer by the adenovirus-2 E1A products (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-12-20
    Description: The products of the adenovirus-2 (Ad2) immortalizing oncogene E1A repress the activity of the SV40, polyoma virus and E1A enhancers. Evidence is presented that Ad2 infection of MPC11 plasmocytoma cells results in an inhibition of transcription of both the gamma 2b heavy chain (IgH) and the kappa light chain immunoglobulin genes. This inhibition is caused by the Ad2 E1A products. Furthermore, the Ad2 E1A products repress transcription activated by the immunoglobulin heavy chain enhancer in chimeric recombinants, which are either stably integrated in the genome of lymphoid cells or are present as episomes. The implications of negative regulation of cellular enhancers are discussed.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hen, R -- Borrelli, E -- Chambon, P -- New York, N.Y. -- Science. 1985 Dec 20;230(4732):1391-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2999984" target="_blank"〉PubMed〈/a〉
    Keywords: Adenoviruses, Human/*genetics ; *Cell Transformation, Viral ; DNA Restriction Enzymes ; DNA, Recombinant/metabolism ; Endonucleases ; *Enhancer Elements, Genetic ; Genes ; *Genes, Regulator ; *Genes, Viral ; Humans ; Immunoglobulin Heavy Chains/*genetics ; *Oncogenes ; Plasmids ; Single-Strand Specific DNA and RNA Endonucleases ; Transcription, Genetic
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  • 35
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    The human gene encoding GM-CSF is at 5q21-q32, the chromosome region deleted in the 5q- anomaly (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-12-13
    Description: Human granulocyte-macrophage colony-stimulating factor (GM-CSF) is a 22,000-dalton glycoprotein that stimulates the growth of myeloid progenitor cells and acts directly on mature neutrophils. A full-length complementary DNA clone encoding human GM-CSF was used as a probe to screen a human genomic library and isolate the gene encoding human GM-CSF. The human GM-CSF gene is approximately 2.5 kilobase pairs in length with at least three intervening sequences. The GM-CSF gene was localized by somatic cell hybrid analysis and in situ hybridization to human chromosome region 5q21-5q32, which is involved in interstitial deletions in the 5q- syndrome and acute myelogenous leukemia. An established, human promyelocytic leukemia cell line, HL60, contains a rearranged, partially deleted GM-CSF allele and a candidate 5q- marker chromosome, indicating that the truncated GM-CSF allele may reside at the rejoining point for the interstitial deletion on the HL60 marker chromosome.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Huebner, K -- Isobe, M -- Croce, C M -- Golde, D W -- Kaufman, S E -- Gasson, J C -- CA-10805/CA/NCI NIH HHS/ -- CA-16685/CA/NCI NIH HHS/ -- CA-21124/CA/NCI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1985 Dec 13;230(4731):1282-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2999978" target="_blank"〉PubMed〈/a〉
    Keywords: Anemia/genetics ; Base Sequence ; Cell Line ; Chromosome Aberrations/*genetics ; Chromosome Deletion ; Chromosome Disorders ; Chromosome Mapping ; *Chromosomes, Human, 4-5 ; Colony-Stimulating Factors/*genetics ; DNA Restriction Enzymes ; Genes ; Granulocytes ; Humans ; Leukemia, Myeloid, Acute/genetics ; Macrophages ; Syndrome
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  • 36
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    Constitutive and conditional suppression of exogenous and endogenous genes by anti-sense RNA (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-07-26
    Description: Plasmid DNA directing transcription of the noncoding (anti-sense) DNA strand can specifically inhibit the expression of several test genes as well as normal, endogenous genes. The anti-sense plasmid constructions can be introduced into eukaryotic cells by transfection or microinjection and function in both transient and stable transformation assays. Anti-sense transcripts complementary to as little as 52 bases of 5' untranslated target gene mRNA specifically suppress gene activity as well as, or more efficiently than, anti-sense transcripts directed against the protein coding domain alone. Conditional anti-sense inhibition is accomplished with the use of hormone-inducible promoter sequences. Suppression of endogenous actin gene activity by anti-sense RNA is detected as a decrease in growth rate and as a reduction in the number of actin microfilament cables. These observations suggest that anti-sense RNA may be generally useful for suppressing the expression of specific genes in vivo and may be a potential molecular alternative to classical genetic analysis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Izant, J G -- Weintraub, H -- New York, N.Y. -- Science. 1985 Jul 26;229(4711):345-52.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2990048" target="_blank"〉PubMed〈/a〉
    Keywords: Acetyltransferases/genetics ; Actins/genetics ; Animals ; Cattle ; Chickens ; Chloramphenicol O-Acetyltransferase ; DNA, Recombinant ; Drosophila ; Genes ; Genes, Viral ; *Genetic Engineering ; Genetic Vectors ; Globins/genetics ; Plasmids ; RNA, Messenger/*genetics ; Simplexvirus/genetics ; *Suppression, Genetic ; Thymidine Kinase/genetics ; Xenopus
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  • 37
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    Chromosomal locations of the murine T-cell receptor alpha-chain gene and the T-cell gamma gene (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-02-22
    Description: Two independent methods were used to identify the mouse chromosomes on which are located two families of immunoglobulin (Ig)-like genes that are rearranged and expressed in T lymphocytes. The genes coding for the alpha subunit of T-cell receptors are on chromosome 14 and the gamma genes, whose function is yet to be determined, are on chromosome 13. Since genes for the T-cell receptor beta chain were previously shown to be on mouse chromosome 6, all three of the Ig-like multigene families expressed and rearranged in T cells are located on different chromosomes, just as are the B-cell multigene families for the Ig heavy chain, and the Ig kappa and lambda light chains. The findings do not support earlier contentions that genes for T-cell receptors are linked to the Ig heavy chain locus (mouse chromosome 12) or to the major histocompatibility complex (mouse chromosome 17).〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kranz, D M -- Saito, H -- Disteche, C M -- Swisshelm, K -- Pravtcheva, D -- Ruddle, F H -- Eisen, H N -- Tonegawa, S -- CA-24051/CA/NCI NIH HHS/ -- CA-28900-04/CA/NCI NIH HHS/ -- GM 30476-03/GM/NIGMS NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1985 Feb 22;227(4689):941-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3918347" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Chromosome Mapping ; Cricetinae ; Cricetulus ; Genes ; Humans ; Hybrid Cells/metabolism ; Immunoglobulin Heavy Chains/*genetics ; Immunoglobulin alpha-Chains/*genetics ; Immunoglobulin gamma-Chains/*genetics ; Major Histocompatibility Complex ; Mice ; Receptors, Antigen, T-Cell/*genetics
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  • 38
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    Genes for beta chain of human T-cell antigen receptor map to regions of chromosomal rearrangement in T cells (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-05-03
    Description: The T-cell antigen receptor is a cell-surface molecule that participates in the immune response. In the present experiments the genes encoding the beta chain of the T-cell receptor were found to reside on the long arm of human chromosome 7 at or near band q32. Related sequences were found on the short arm of chromosome 7 in bands p15-21 in some experiments. Chromosomal rearrangements in T-cells from normal individuals and patients with ataxia telangiectasia have previously been observed at and near these map assignments for the beta-chain genes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Morton, C C -- Duby, A D -- Eddy, R L -- Shows, T B -- Seidman, J G -- CA-07511/CA/NCI NIH HHS/ -- GM-20454/GM/NIGMS NIH HHS/ -- HD-05196/HD/NICHD NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1985 May 3;228(4699):582-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3983642" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Ataxia Telangiectasia/genetics ; Chromosome Aberrations/genetics ; Chromosome Disorders ; *Chromosome Mapping ; Chromosomes, Human, 6-12 and X ; DNA/genetics ; Genes ; Humans ; Hybrid Cells/metabolism ; Mice ; Nucleic Acid Hybridization ; Receptors, Antigen, T-Cell/*genetics
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  • 39
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    A test of clathrin function in protein secretion and cell growth (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-11-29
    Description: Clathrin-coated membranes are intimately associated with a variety of protein transport processes in eukaryotic cells, yet no direct test of clathrin function has been possible. The data presented demonstrate that Saccharomyces cerevisiae does not require clathrin for either cell growth or protein secretion. Antiserum to the yeast clathrin heavy chain has been used to isolate a molecular clone of the heavy chain gene (CHC1) from a library of yeast DNA in lambda gt11. Clathrin-deficient mutant yeast have been obtained by replacing the single chromosomal CHC1 gene with a disrupted version of the cloned DNA. Cells harboring a nonfunctional chc1 allele produce no immunoreactive heavy chain polypeptide, and vesicles prepared from mutant cells are devoid of clathrin heavy and light chains. Although clathrin-deficient cells grow two to three times more slowly than normal, secretion of invertase occurs at a nearly normal rate. Therefore protein transport through the secretory pathway is not obligately coupled to the formation of clathrin-coated vesicles.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Payne, G S -- Schekman, R -- New York, N.Y. -- Science. 1985 Nov 29;230(4729):1009-14.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2865811" target="_blank"〉PubMed〈/a〉
    Keywords: Biological Transport ; *Cell Physiological Phenomena ; Clathrin/genetics/immunology/*physiology ; Coated Pits, Cell-Membrane/*physiology ; Endosomes/*physiology ; Eukaryotic Cells/*physiology ; Genes ; Genes, Fungal ; Genetic Engineering ; Glycoside Hydrolases/secretion ; Macromolecular Substances ; Molecular Weight ; Proteins/*secretion ; Saccharomyces cerevisiae/genetics ; beta-Fructofuranosidase
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  • 40
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    The neu gene: an erbB-homologous gene distinct from and unlinked to the gene encoding the EGF receptor (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-09-06
    Description: The neu oncogene, identified in ethylnitrosourea-induced rat neuroglioblastomas, had strong homology with the erbB gene that encodes the epidermal growth factor receptor. This homology was limited to the region of erbB encoding the tyrosine kinase domain. It was concluded that the neu gene is a distinct novel gene, as it is not coamplified with sequences encoding the EGF receptor in the genome of the A431 tumor line and it maps to human chromosome 17.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schechter, A L -- Hung, M C -- Vaidyanathan, L -- Weinberg, R A -- Yang-Feng, T L -- Francke, U -- Ullrich, A -- Coussens, L -- CA 39964-01/CA/NCI NIH HHS/ -- GM 26105/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1985 Sep 6;229(4717):976-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2992090" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, Neoplasm/*genetics ; Chromosome Mapping ; Chromosomes, Human, 16-18 ; DNA, Neoplasm/*genetics ; Genes ; Genetic Linkage ; Humans ; Neoplasm Proteins/*genetics ; Neuroblastoma/genetics ; Neuroglia ; *Oncogenes ; Rats ; Receptor, Epidermal Growth Factor ; Receptors, Cell Surface/*genetics
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  • 41
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    The cytochrome P450's and their genes (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-05-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1985 May 24;228(4702):975-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/4001932" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; Cloning, Molecular ; Cytochrome P-450 Enzyme System/biosynthesis/*genetics ; Disease Susceptibility ; Enzyme Induction ; Gene Conversion ; Gene Expression Regulation ; Genes ; Humans ; Neoplasms/etiology
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  • 42
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    Interleukin-1 genes are cloned (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-05-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1985 May 31;228(4703):1076-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3873111" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Cloning, Molecular ; Genes ; Humans ; Interleukin-1/*genetics
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  • 43
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    Expression of two variant surface glycoproteins on individual African trypanosomes during antigen switching (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-07-12
    Description: Individual Trypanosoma brucei rhodesiense organisms were observed in the process of switching variant surface glycoproteins (VSG's). During this switch, trypanosomes simultaneously expressed both pre- and postswitch VSG's uniformly over their surface as detected with monoclonal antibodies. Analysis of this switching event showed that trypanosomes expressing any one of three distinct preswitch VSG's could switch to expression of from one to three different postswitch VSG's. Up to 2.7 percent of the trypanosome population was in the process of switching at one time.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Esser, K M -- Schoenbechler, M J -- New York, N.Y. -- Science. 1985 Jul 12;229(4709):190-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3892689" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Monoclonal ; *Antigens, Protozoan ; *Antigens, Surface ; Cell Cycle ; Fluorescein ; Fluoresceins ; Fluorescent Antibody Technique ; Genes ; Mice ; Rhodamines ; Time Factors ; Trypanosoma brucei gambiense/*immunology ; Trypanosomiasis, African/immunology
    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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  • 44
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    Syrian hamster female protein: analysis of female protein primary structure and gene expression (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-06-07
    Description: The concentration in plasma of the female protein (FP) of the golden Syrian hamster is regulated by sex steroids and by mediators of the acute-phase response to tissue injury or inflammation. A complementary DNA (cDNA) clone corresponding to FP was isolated from a hamster liver cDNA library and used to determine the nucleotide sequence and derived amino acid sequence of native FP. The primary sequence of FP is 69 percent identical to human serum amyloid P component and 50 percent identical to human C-reactive protein. Evidence showed that sex-limited and acute-phase control of the FP gene is pretranslational. The FP protein is thus a useful model for investigating dual regulation of expression of a single gene.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dowton, S B -- Woods, D E -- Mantzouranis, E C -- Colten, H R -- AI20959/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1985 Jun 7;228(4704):1206-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2408337" target="_blank"〉PubMed〈/a〉
    Keywords: Acute-Phase Proteins ; Alpha-Globulins/*genetics ; Amino Acid Sequence ; Animals ; Base Sequence ; Blood Proteins/genetics ; *C-Reactive Protein ; Cricetinae/*physiology ; DNA/genetics ; Female ; Gene Expression Regulation ; Genes ; Liver/physiology ; Male ; Mesocricetus/*physiology ; RNA, Messenger/genetics
    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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  • 45
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    Expression of a microinjected porcine class I major histocompatibility complex gene in transgenic mice (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-05-03
    Description: A porcine class I major histocompatibility complex (SLA) gene has been introduced into the genome of a C57BL/10 mouse. This transgenic mouse expressed SLA antigen on its cell surfaces and transmitted the gene to offspring, in which the gene is also expressed. Skin grafts of such transgenic mice were rejected by normal C57BL/10 mice, suggesting that the foreign SLA antigen expressed in the transgenic mice is recognized as a functional transplantation antigen.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Frels, W I -- Bluestone, J A -- Hodes, R J -- Capecchi, M R -- Singer, D S -- GM 07825/GM/NIGMS NIH HHS/ -- GM 2116B/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1985 May 3;228(4699):577-80.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3885396" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; DNA/genetics ; Female ; Genes ; Genetic Engineering ; Graft Rejection ; H-2 Antigens/genetics ; *Major Histocompatibility Complex ; Male ; Mice ; Mice, Inbred C57BL/genetics ; Microinjections ; Nucleic Acid Hybridization ; Skin Transplantation ; Swine
    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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  • 46
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    Selective loss of a family of gene transcripts in a hereditary murine cataract (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-01-04
    Description: The eye lens of the Fraser mouse contains a dominantly inherited cataract with reduced amounts of seven distinct but homologous gamma crystallins encoded by a family of gamma-crystallin genes. The results of experiments with cultured lenses, cell-free RNA translation, and Northern blot hybridization indicated a specific loss of the family of gamma-crystallin messenger RNA's in the Fraser mouse lens. Southern blot hybridization of genomic DNA's from normal and Fraser mice showed no differences in gamma-crystallin coding sequences.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Garber, A T -- Winkler, C -- Shinohara, T -- King, C R -- Inana, G -- Piatigorsky, J -- Gold, R J -- New York, N.Y. -- Science. 1985 Jan 4;227(4682):74-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3964960" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cataract/*genetics ; Crystallins/*genetics ; Genes ; Lens, Crystalline/metabolism ; Mice ; Mice, Mutant Strains ; Nucleic Acid Hybridization ; Protein Biosynthesis ; RNA, Messenger/genetics
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 47
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    Mutation in LDL receptor: Alu-Alu recombination deletes exons encoding transmembrane and cytoplasmic domains (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-01-11
    Description: The molecular size of the plasma LDL (low density lipoprotein) receptor synthesized by cultured fibroblasts from a patient with the internalization-defective form of familial hypercholesterolemia (FH 274) was smaller by 10,000 daltons than the size of the normal LDL receptor. The segment of the gene encoding the truncated portion of the FH 274 receptor was cloned into bacteriophage lambda. Comparison of the nucleotide sequences of the normal and FH 274 genes revealed a 5-kilobase deletion, which eliminated the exons encoding the membrane-spanning region and the carboxyl terminal cytoplasmic domain of the receptor. The deletion appeared to be caused by a novel intrastrand recombination between two repetitive sequences of the Alu family that were oriented in opposite directions. The truncated receptors lack membrane-spanning regions and cytoplasmic domains; they are largely secreted into the culture medium, but a small fraction remains adherent to the cell surface. The surface-adherent receptors bind LDL, but they are unable to cluster in coated pits, thus explaining the internalization-defective phenotype.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4449727/" 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/PMC4449727/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lehrman, M A -- Schneider, W J -- Sudhof, T C -- Brown, M S -- Goldstein, J L -- Russell, D W -- HL 01287/HL/NHLBI NIH HHS/ -- HL 20948/HL/NHLBI NIH HHS/ -- HL 31346/HL/NHLBI NIH HHS/ -- P01 HL020948/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1985 Jan 11;227(4683):140-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3155573" target="_blank"〉PubMed〈/a〉
    Keywords: Bacteriophage lambda ; Base Sequence ; Cell Membrane ; Cloning, Molecular ; Coated Pits, Cell-Membrane/metabolism ; Cytoplasm ; Fibroblasts ; Genes ; Humans ; Hyperlipoproteinemia Type II/*genetics ; Male ; Molecular Weight ; Mutation ; Receptors, LDL/*genetics ; Recombination, Genetic ; *Repetitive Sequences, Nucleic Acid
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  • 48
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    Chromosomal locations of human tissue plasminogen activator and urokinase genes (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-11-08
    Description: A panel of human-mouse somatic cell hybrids and specific complementary DNA probes were used to map the human tissue plasminogen activator and urokinase genes to human chromosomes 8 and 10, respectively. This result is in contrast to a previous assignment of a plasminogen activator gene to chromosome 6. As neoplastic cells produce high levels of plasminogen activator, it is of interest that aberrations of chromosome 8 have been linked to various leukemias and lymphomas and that two human oncogenes, c-mos and c-myc, have also been mapped to chromosome 8.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rajput, B -- Degen, S F -- Reich, E -- Waller, E K -- Axelrod, J -- Eddy, R L -- Shows, T B -- GM20454/GM/NIGMS NIH HHS/ -- HD05196/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1985 Nov 8;230(4726):672-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3840278" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Chromosome Mapping ; Chromosomes, Human, 6-12 and X ; DNA/genetics ; Genes ; Humans ; Hybrid Cells ; Leukemia/genetics ; Lymphoma/genetics ; Mice ; Nucleic Acid Hybridization ; Oncogenes ; Plasminogen Activators/*genetics ; Urokinase-Type Plasminogen Activator/*genetics
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Nucleotide sequence of yellow fever virus: implications for flavivirus gene expression and evolution (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-08-23
    Description: The sequence of the entire RNA genome of the type flavivirus, yellow fever virus, has been obtained. Inspection of this sequence reveals a single long open reading frame of 10,233 nucleotides, which could encode a polypeptide of 3411 amino acids. The structural proteins are found within the amino-terminal 780 residues of this polyprotein; the remainder of the open reading frame consists of nonstructural viral polypeptides. This genome organization implies that mature viral proteins are produced by posttranslational cleavage of a polyprotein precursor and has implications for flavivirus RNA replication and for the evolutionary relation of this virus family to other RNA viruses.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rice, C M -- Lenches, E M -- Eddy, S R -- Shin, S J -- Sheets, R L -- Strauss, J H -- AI 10793/AI/NIAID NIH HHS/ -- AI 20612/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1985 Aug 23;229(4715):726-33.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/4023707" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Biological Evolution ; Gene Expression Regulation ; Genes ; Glycoproteins/genetics ; Nucleic Acid Conformation ; Protein Biosynthesis ; Protein Conformation ; Protein Processing, Post-Translational ; RNA, Viral/*genetics ; Viral Proteins/*genetics ; *Virus Replication ; Yellow fever virus/*genetics
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    New sickle cell test (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-12-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1985 Dec 20;230(4732):1365.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2999982" target="_blank"〉PubMed〈/a〉
    Keywords: Anemia, Sickle Cell/*diagnosis/genetics ; DNA Restriction Enzymes ; DNA-Directed DNA Polymerase ; Female ; Gene Amplification ; Genes ; Globins/genetics ; Humans ; Nucleic Acid Hybridization ; Pregnancy ; Prenatal Diagnosis
    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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  • 51
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    The genetic linkage map of the human X chromosome (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-11-15
    Description: A database useful for mapping the human X chromosome has been established. The data consist of the genotypic characterizations obtained at more than 20 DNA marker loci from a set of 38 selected families. Multilocus linkage analysis has provided an initial genetic map completely spanning the distance from the distal short arm to the distal long arm of the chromosome, for a total genetic length of at least 185 recombination units. Analysis of the recombinational behavior of fully marked chromosomes suggests that the number of recombination events on the X chromosome may be nonrandom. Linkage studies of six families that carry the mutation which causes Duchenne muscular dystrophy were combined with linkage data from a large number of normal families. This permitted mapping of the locus for Duchenne muscular dystrophy with greater precision and statistical confidence than studies in which disease families alone provided the genotypic database. This observation suggests that the normal linkage map of this chromosome should be especially valuable in the mapping of rare X-linked diseases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Drayna, D -- White, R -- New York, N.Y. -- Science. 1985 Nov 15;230(4727):753-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/4059909" target="_blank"〉PubMed〈/a〉
    Keywords: *Chromosome Mapping ; Crossing Over, Genetic ; DNA/genetics ; Female ; Genes ; Genetic Diseases, Inborn/genetics ; *Genetic Linkage ; Hemophilia A/genetics ; Humans ; Male ; Muscular Dystrophies/genetics ; Retinitis Pigmentosa/genetics ; X Chromosome/*physiology
    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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  • 52
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    Expression of the major surface antigen of Plasmodium knowlesi sporozoites in yeast (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-05-17
    Description: The circumsporozite protein, a surface antigen of the sporozoite stage of the monkey malarial parasite Plasmodium knowlesi, was expressed in the yeast Saccharomyces cerevisiae by using an expression vector containing the 5' regulatory region of the yeast alcohol dehydrogenase I gene. It was necessary to eliminate the entire 5' upstream region of the parasite DNA to obtain the expression of this protein. Only the circumsporozoite precursor was produced by the yeast transformants, as detected by immunoblotting. About 55 and 20 percent of the circumsporozoite protein produced in yeast was associated wtih the 25,000 g and 150,000 g particulate fractions, respectively. The protein could be solubilized in Triton X-100 and was stable in solubilized extracts.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sharma, S -- Godson, G N -- 1 R01 AI21496-01/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1985 May 17;228(4701):879-82.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3890178" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, Protozoan/*genetics ; Antigens, Surface/*genetics ; Cloning, Molecular ; DNA, Recombinant ; Genes ; Molecular Weight ; Plasmodium/genetics/*immunology ; Protein Precursors/biosynthesis/genetics ; Protozoan Proteins/*genetics ; Saccharomyces cerevisiae/*genetics ; Transformation, Genetic
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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