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  • Molecular Sequence Data  (6)
  • Arabidopsis thaliana  (3)
  • 2015-2019  (2)
  • 2010-2014  (1)
  • 1990-1994  (6)
  • 1945-1949
  • 1
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    Epidermolysis bullosa simplex: evidence in two families for keratin gene abnormalities (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-12-02
    Description: Epidermolysis bullosa simplex (EBS) is characterized by skin blistering due to basal keratinocyte fragility. In one family studied, inheritance of EBS is linked to the gene encoding keratin 14, and a thymine to cytosine mutation in exon 6 of keratin 14 has introduced a proline in the middle of an alpha-helical region. In a second family, inheritance of EBS is linked to loci that map near the keratin 5 gene. These data indicate that abnormalities of either of the components of the keratin intermediate filament heterodipolymer can impair the mechanical stability of these epithelial cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bonifas, J M -- Rothman, A L -- Epstein, E H Jr -- R01-AR28069/AR/NIAMS NIH HHS/ -- R01-AR39953/AR/NIAMS NIH HHS/ -- New York, N.Y. -- Science. 1991 Nov 22;254(5035):1202-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Dermatology, San Francisco General Hospital, University of California 94110.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1720261" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Chromosomes, Human, Pair 12 ; Chromosomes, Human, Pair 17 ; Epidermolysis Bullosa Simplex/*genetics ; Genes ; Genetic Linkage ; Humans ; Keratins/*genetics ; Molecular Sequence Data ; Oligonucleotides/chemistry ; Pedigree ; Polymerase Chain Reaction ; Polymorphism, Restriction Fragment Length
    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 analysis of protein assembly in muscle development (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-03-01
    Description: The challenge presented by myofibril assembly in striated muscle is to understand the molecular mechanisms by which its protein components are arranged at each level of organization. Recent advances in the genetics and cell biology of muscle development have shown that in vivo assembly of the myofilaments requires a complex array of structural and associated proteins and that organization of whole sarcomeres occurs initially at the cell membrane. These studies have been complemented by in vitro analyses of the renaturation, polymerization, and three-dimensional structure of the purified proteins.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Epstein, H F -- Fischman, D A -- AR-32147/AR/NIAMS NIH HHS/ -- GM-33223/GM/NIGMS NIH HHS/ -- HL-42267/HL/NHLBI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1991 Mar 1;251(4997):1039-44.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurology, Baylor College of Medicine, Houston, TX 77030.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1998120" target="_blank"〉PubMed〈/a〉
    Keywords: Actins/physiology ; Amino Acid Sequence ; Animals ; Macromolecular Substances ; Molecular Sequence Data ; Morphogenesis ; Muscle Contraction ; *Muscle Development ; Muscle Proteins/*physiology ; Myofibrils/*physiology ; Myosins/physiology ; Polymers ; Sarcolemma/physiology
    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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  • 3
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    Isolation and characterization of a bat SARS-like coronavirus that uses the ACE2 receptor (2013)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2013-11-01
    Description: The 2002-3 pandemic caused by severe acute respiratory syndrome coronavirus (SARS-CoV) was one of the most significant public health events in recent history. An ongoing outbreak of Middle East respiratory syndrome coronavirus suggests that this group of viruses remains a key threat and that their distribution is wider than previously recognized. Although bats have been suggested to be the natural reservoirs of both viruses, attempts to isolate the progenitor virus of SARS-CoV from bats have been unsuccessful. Diverse SARS-like coronaviruses (SL-CoVs) have now been reported from bats in China, Europe and Africa, but none is considered a direct progenitor of SARS-CoV because of their phylogenetic disparity from this virus and the inability of their spike proteins to use the SARS-CoV cellular receptor molecule, the human angiotensin converting enzyme II (ACE2). Here we report whole-genome sequences of two novel bat coronaviruses from Chinese horseshoe bats (family: Rhinolophidae) in Yunnan, China: RsSHC014 and Rs3367. These viruses are far more closely related to SARS-CoV than any previously identified bat coronaviruses, particularly in the receptor binding domain of the spike protein. Most importantly, we report the first recorded isolation of a live SL-CoV (bat SL-CoV-WIV1) from bat faecal samples in Vero E6 cells, which has typical coronavirus morphology, 99.9% sequence identity to Rs3367 and uses ACE2 from humans, civets and Chinese horseshoe bats for cell entry. Preliminary in vitro testing indicates that WIV1 also has a broad species tropism. Our results provide the strongest evidence to date that Chinese horseshoe bats are natural reservoirs of SARS-CoV, and that intermediate hosts may not be necessary for direct human infection by some bat SL-CoVs. They also highlight the importance of pathogen-discovery programs targeting high-risk wildlife groups in emerging disease hotspots as a strategy for pandemic preparedness.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ge, Xing-Yi -- Li, Jia-Lu -- Yang, Xing-Lou -- Chmura, Aleksei A -- Zhu, Guangjian -- Epstein, Jonathan H -- Mazet, Jonna K -- Hu, Ben -- Zhang, Wei -- Peng, Cheng -- Zhang, Yu-Ji -- Luo, Chu-Ming -- Tan, Bing -- Wang, Ning -- Zhu, Yan -- Crameri, Gary -- Zhang, Shu-Yi -- Wang, Lin-Fa -- Daszak, Peter -- Shi, Zheng-Li -- R01AI079231/AI/NIAID NIH HHS/ -- R01TW005869/TW/FIC NIH HHS/ -- R56TW009502/TW/FIC NIH HHS/ -- England -- Nature. 2013 Nov 28;503(7477):535-8. doi: 10.1038/nature12711. Epub 2013 Oct 30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Center for Emerging Infectious Diseases, State Key Laboratory of Virology, Wuhan Institute of Virology of the Chinese Academy of Sciences, Wuhan 430071, China [2].〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24172901" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cercopithecus aethiops ; China ; Chiroptera/*virology ; Disease Reservoirs/virology ; Feces/virology ; Fluorescent Antibody Technique ; Genome, Viral/genetics ; Host Specificity ; Humans ; Molecular Sequence Data ; Pandemics/prevention & control/veterinary ; Peptidyl-Dipeptidase A/genetics/*metabolism ; Real-Time Polymerase Chain Reaction ; Receptors, Virus/genetics/metabolism ; SARS Virus/genetics/*isolation & purification/*metabolism/ultrastructure ; Severe Acute Respiratory Syndrome/prevention & ; control/transmission/veterinary/virology ; Species Specificity ; Spike Glycoprotein, Coronavirus/chemistry/metabolism ; Vero Cells ; Virion/isolation & purification/ultrastructure ; Virus Internalization ; Viverridae/metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 4
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    Potential role of human cytomegalovirus and p53 interaction in coronary restenosis (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-07-15
    Description: A subset of patients who have undergone coronary angioplasty develop restenosis, a vessel renarrowing characterized by excessive proliferation of smooth muscle cells (SMCs). Of 60 human restenosis lesions examined, 23 (38 percent) were found to have accumulated high amounts of the tumor suppressor protein p53, and this correlated with the presence of human cytomegalovirus (HCMV) in the lesions. SMCs grown from the lesions expressed HCMV protein IE84 and high amounts of p53. HCMV infection of cultured SMCs enhanced p53 accumulation, which correlated temporally with IE84 expression. IE84 also bound to p53 and abolished its ability to transcriptionally activate a reporter gene. Thus, HCMV, and IE84-mediated inhibition of p53 function, may contribute to the development of restenosis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Speir, E -- Modali, R -- Huang, E S -- Leon, M B -- Shawl, F -- Finkel, T -- Epstein, S E -- New York, N.Y. -- Science. 1994 Jul 15;265(5170):391-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cardiology Branch, National Institutes of Health, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8023160" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Aged ; Aged, 80 and over ; *Angioplasty, Balloon ; Antigens, Viral/*metabolism ; Atherectomy, Coronary ; Base Sequence ; Cells, Cultured ; Coronary Disease/*etiology/pathology/therapy ; Coronary Vessels/cytology/metabolism/microbiology ; Cytomegalovirus/*physiology ; Genes, p53 ; Humans ; Immediate-Early Proteins/*metabolism ; Middle Aged ; Molecular Sequence Data ; Muscle, Smooth, Vascular/cytology/metabolism/microbiology ; Recurrence ; Transcriptional Activation ; Transfection ; Tumor Suppressor Protein p53/genetics/*metabolism
    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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    HEART DEVELOPMENT. Integration of Bmp and Wnt signaling by Hopx specifies commitment of cardiomyoblasts (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-06-27
    Description: Cardiac progenitor cells are multipotent and give rise to cardiac endothelium, smooth muscle, and cardiomyocytes. Here, we define and characterize the cardiomyoblast intermediate that is committed to the cardiomyocyte fate, and we characterize the niche signals that regulate commitment. Cardiomyoblasts express Hopx, which functions to coordinate local Bmp signals to inhibit the Wnt pathway, thus promoting cardiomyogenesis. Hopx integrates Bmp and Wnt signaling by physically interacting with activated Smads and repressing Wnt genes. The identification of the committed cardiomyoblast that retains proliferative potential will inform cardiac regenerative therapeutics. In addition, Bmp signals characterize adult stem cell niches in other tissues where Hopx-mediated inhibition of Wnt is likely to contribute to stem cell quiescence and to explain the role of Hopx as a tumor suppressor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jain, Rajan -- Li, Deqiang -- Gupta, Mudit -- Manderfield, Lauren J -- Ifkovits, Jamie L -- Wang, Qiaohong -- Liu, Feiyan -- Liu, Ying -- Poleshko, Andrey -- Padmanabhan, Arun -- Raum, Jeffrey C -- Li, Li -- Morrisey, Edward E -- Lu, Min Min -- Won, Kyoung-Jae -- Epstein, Jonathan A -- 5-T32-GM-007170/GM/NIGMS NIH HHS/ -- K08 HL119553/HL/NHLBI NIH HHS/ -- K08 HL119553-02/HL/NHLBI NIH HHS/ -- R01 HL071546/HL/NHLBI NIH HHS/ -- U01 HL100405/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2015 Jun 26;348(6242):aaa6071. doi: 10.1126/science.aaa6071.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell and Developmental Biology, Penn Cardiovascular Institute, Institute of Regenerative Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA. ; Department of Genetics, Institute for Diabetes, Obesity, and Metabolism, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA. ; Department of Cell and Developmental Biology, Penn Cardiovascular Institute, Institute of Regenerative Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA. epsteinj@upenn.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26113728" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Bone Morphogenetic Proteins/genetics/*metabolism ; Cell Lineage/genetics ; Gene Expression ; *Gene Expression Regulation, Developmental ; Heart/*embryology ; Homeodomain Proteins/genetics/*metabolism ; Mice ; Mice, Mutant Strains ; Molecular Sequence Data ; Muscle, Smooth/cytology/metabolism ; Myoblasts, Cardiac/cytology/*metabolism ; Organogenesis/*genetics ; Stem Cell Niche/genetics/physiology ; Tumor Suppressor Proteins/genetics/*metabolism ; Wnt Signaling Pathway/*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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  • 6
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    A new antibiotic kills pathogens without detectable resistance (2015)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2015-01-07
    Description: Antibiotic resistance is spreading faster than the introduction of new compounds into clinical practice, causing a public health crisis. Most antibiotics were produced by screening soil microorganisms, but this limited resource of cultivable bacteria was overmined by the 1960s. Synthetic approaches to produce antibiotics have been unable to replace this platform. Uncultured bacteria make up approximately 99% of all species in external environments, and are an untapped source of new antibiotics. We developed several methods to grow uncultured organisms by cultivation in situ or by using specific growth factors. Here we report a new antibiotic that we term teixobactin, discovered in a screen of uncultured bacteria. Teixobactin inhibits cell wall synthesis by binding to a highly conserved motif of lipid II (precursor of peptidoglycan) and lipid III (precursor of cell wall teichoic acid). We did not obtain any mutants of Staphylococcus aureus or Mycobacterium tuberculosis resistant to teixobactin. The properties of this compound suggest a path towards developing antibiotics that are likely to avoid development of resistance.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ling, Losee L -- Schneider, Tanja -- Peoples, Aaron J -- Spoering, Amy L -- Engels, Ina -- Conlon, Brian P -- Mueller, Anna -- Schaberle, Till F -- Hughes, Dallas E -- Epstein, Slava -- Jones, Michael -- Lazarides, Linos -- Steadman, Victoria A -- Cohen, Douglas R -- Felix, Cintia R -- Fetterman, K Ashley -- Millett, William P -- Nitti, Anthony G -- Zullo, Ashley M -- Chen, Chao -- Lewis, Kim -- AI085612/AI/NIAID NIH HHS/ -- T-RO1AI085585/AI/NIAID NIH HHS/ -- England -- Nature. 2015 Jan 22;517(7535):455-9. doi: 10.1038/nature14098. Epub 2015 Jan 7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉NovoBiotic Pharmaceuticals, Cambridge, Massachusetts 02138, USA. ; 1] Institute of Medical Microbiology, Immunology and Parasitology-Pharmaceutical Microbiology Section, University of Bonn, Bonn 53115, Germany [2] German Centre for Infection Research (DZIF), Partner Site Bonn-Cologne, 53115 Bonn, Germany. ; Antimicrobial Discovery Center, Northeastern University, Department of Biology, Boston, Massachusetts 02115, USA. ; 1] German Centre for Infection Research (DZIF), Partner Site Bonn-Cologne, 53115 Bonn, Germany [2] Institute for Pharmaceutical Biology, University of Bonn, Bonn 53115, Germany. ; Department of Biology, Northeastern University, Boston, Massachusetts 02115, USA. ; Selcia, Ongar, Essex CM5 0GS, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25561178" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anti-Bacterial Agents/biosynthesis/chemistry/isolation & ; purification/*pharmacology ; Betaproteobacteria/chemistry/genetics ; Biological Products/chemistry/isolation & purification/pharmacology ; Cell Wall/chemistry/drug effects/metabolism ; Depsipeptides/biosynthesis/chemistry/isolation & purification/*pharmacology ; Disease Models, Animal ; *Drug Resistance, Microbial/genetics ; Female ; Mice ; Microbial Sensitivity Tests ; Microbial Viability/*drug effects ; Molecular Sequence Data ; Multigene Family/genetics ; Mycobacterium tuberculosis/cytology/*drug effects/genetics ; Peptidoglycan/biosynthesis ; Staphylococcal Infections/drug therapy/microbiology ; Staphylococcus aureus/chemistry/cytology/*drug effects/genetics ; Teichoic Acids/biosynthesis ; Time Factors
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 7
    Electronic Resource
    Electronic Resource
    Indole-3-butyric acid in Arabidopsis thaliana III. In vivo biosynthesis (1994)
    Springer
    Plant growth regulation 14 (1994), S. 7-14 
    Details
    ISSN: 1573-5087
    Keywords: Arabidopsis thaliana ; IBA biosynthesis ; indole-3-acetic acid ; indole-3-butyric acid ; α-naphthylacetic acid ; phenylacetic acid
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Indole-3-butyric acid (IBA) was identified by HPLC and GC-MS as one of the reaction products after incubation of sterile cultures of Arabidopsis thaliana seedlings with labeled indole-3-acetic acid (IAA). This is the first demonstration of IBA biosynthesis in a dicotyledonous plant. After 1 h of incubation most of the IBA was found in the free form, while after longer periods of incubation most of it was detected in conjugated forms. Formation of IBA conjugates was inhibited by the addition of unlabeled IBA. The biosynthesis of IBA and its conjugates was followed throughout the development of the seedlings and at different pH values. All parts of the plant (isolated roots, leaves, shoots and flowers) were able to convert IAA to IBA to the same extent. IAA was more readily transported than IBA in mature Arabidopsis plants. Feeding of labeled phenylacetic acid (PAA) and α-naphthylacetic acid (NAA) to Arabidopsis seedlings resulted in a new small peak which was hydrolyzed by 7N NaOH, but the formation of compounds with longer side chains (analogous to IBA) could not be detected.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00024135
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  • 8
    Electronic Resource
    Electronic Resource
    Indole-3-butyric acid in Arabidopsis thaliana (1993)
    Springer
    Plant growth regulation 13 (1993), S. 189-195 
    Details
    ISSN: 1573-5087
    Keywords: Arabidopsis thaliana ; autofluorography ; auxin conjugates ; IBA-glucose synthase ; indole-3-butyric acid
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Indole-3-butyric acid (IBA) was metabolized by seedlings of Arabidopsis thaliana cultivated in liquid medium under sterile conditions to two major metabolites. One metabolite was hydrolyzed by 1 N NaOH and β-glucosidase and was tentatively identified as IBA-glucose and the other was hydrolyzed by 7 N NaOH and amidase and was identified as an amide-linked conjugate. IBA-glucose synthase activity was found in a soluble enzyme fraction after incubation of 3H-IBA, IBA and UDP-glucose. The labelled reaction product had an Rf value comparable to IBA glucose and stained positive with Ehmann reagent.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00024261
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  • 9
    Electronic Resource
    Electronic Resource
    Indole-3-butyric acid in Arabidopsis thaliana (1993)
    Springer
    Plant growth regulation 13 (1993), S. 179-187 
    Details
    ISSN: 1573-5087
    Keywords: Arabidopsis thaliana ; auxin conjugates ; ethylene ; indole-3-acetic acid ; indole-3-butyric acid
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Indole-3-butyric acid (IBA) was identified by HPLC and GC-MS as an endogenous compound in plantlets of the crucifer Arabidopsis thaliana (L.) Heynh. A. thaliana was cultivated under sterile conditions as shaking culture in different liquid media with and without supply of hormones. Free and total IBA and indole-3-acetic acid (IAA) were determined at different stages of development during the culture period as well as in culture media of different initial pH values. The results showed that IAA was present in higher concentrations than IBA, but both hormones seemed to show the same behaviour under the different experimental conditions. Differences were found in the mode of conjugation of the two hormones. While IAA was mostly conjugated via amide bonds, the main IBA conjugates were ester bound. The ethylene concentration derived from the seedlings, when they were grown in flasks of different size, seemed not to influence the auxin content in the same cultures.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00024260
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