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  • 1
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    Collection, mapping, and annotation of over 28,000 cDNA clones from japonica rice (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-07-19
    Description: We collected and completely sequenced 28,469 full-length complementary DNA clones from Oryza sativa L. ssp. japonica cv. Nipponbare. Through homology searches of publicly available sequence data, we assigned tentative protein functions to 21,596 clones (75.86%). Mapping of the cDNA clones to genomic DNA revealed that there are 19,000 to 20,500 transcription units in the rice genome. Protein informatics analysis against the InterPro database revealed the existence of proteins presented in rice but not in Arabidopsis. Sixty-four percent of our cDNAs are homologous to Arabidopsis proteins.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rice Full-Length cDNA Consortium -- National Institute of Agrobiological Sciences Rice Full-Length cDNA Project Team -- Kikuchi, Shoshi -- Satoh, Kouji -- Nagata, Toshifumi -- Kawagashira, Nobuyuki -- Doi, Koji -- Kishimoto, Naoki -- Yazaki, Junshi -- Ishikawa, Masahiro -- Yamada, Hitomi -- Ooka, Hisako -- Hotta, Isamu -- Kojima, Keiichi -- Namiki, Takahiro -- Ohneda, Eisuke -- Yahagi, Wataru -- Suzuki, Kohji -- Li, Chao Jie -- Ohtsuki, Kenji -- Shishiki, Toru -- Foundation of Advancement of International Science Genome Sequencing & Analysis Group -- Otomo, Yasuhiro -- Murakami, Kazuo -- Iida, Yoshiharu -- Sugano, Sumio -- Fujimura, Tatsuto -- Suzuki, Yutaka -- Tsunoda, Yuki -- Kurosaki, Takashi -- Kodama, Takeko -- Masuda, Hiromi -- Kobayashi, Michie -- Xie, Quihong -- Lu, Min -- Narikawa, Ryuya -- Sugiyama, Akio -- Mizuno, Kouichi -- Yokomizo, Satoko -- Niikura, Junko -- Ikeda, Rieko -- Ishibiki, Junya -- Kawamata, Midori -- Yoshimura, Akemi -- Miura, Junichirou -- Kusumegi, Takahiro -- Oka, Mitsuru -- Ryu, Risa -- Ueda, Mariko -- Matsubara, Kenichi -- RIKEN -- Kawai, Jun -- Carninci, Piero -- Adachi, Jun -- Aizawa, Katsunori -- Arakawa, Takahiro -- Fukuda, Shiro -- Hara, Ayako -- Hashizume, Wataru -- Hayatsu, Norihito -- Imotani, Koichi -- Ishii, Yoshiyuki -- Itoh, Masayoshi -- Kagawa, Ikuko -- Kondo, Shinji -- Konno, Hideaki -- Miyazaki, Ai -- Osato, Naoki -- Ota, Yoshimi -- Saito, Rintaro -- Sasaki, Daisuke -- Sato, Kenjiro -- Shibata, Kazuhiro -- Shinagawa, Akira -- Shiraki, Toshiyuki -- Yoshino, Masayasu -- Hayashizaki, Yoshihide -- Yasunishi, Ayako -- New York, N.Y. -- Science. 2003 Jul 18;301(5631):376-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, National Institute of Agrobiological Sciences, 2-1-2 Kannon-dai, Tsukuba, Ibaraki 305-8602, Japan. skikuchi@nias.affrc.go.jp〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12869764" target="_blank"〉PubMed〈/a〉
    Keywords: Alternative Splicing ; Amino Acid Sequence ; Cloning, Molecular ; Computational Biology ; DNA, Complementary ; Databases, Nucleic Acid ; Databases, Protein ; Genes, Plant ; *Genome, Plant ; Molecular Sequence Data ; Open Reading Frames ; Oryza/*genetics ; Plant Proteins/chemistry/genetics/physiology ; Protein Structure, Tertiary ; RNA, Antisense/genetics ; *Sequence Analysis, DNA ; Sequence Homology, Amino Acid ; Sequence Homology, Nucleic Acid ; Transcription Factors/chemistry/genetics ; Transcription, Genetic
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
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    Isolation and characterization of viruses related to the SARS coronavirus from animals in southern China (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-09-06
    Description: A novel coronavirus (SCoV) is the etiological agent of severe acute respiratory syndrome (SARS). SCoV-like viruses were isolated from Himalayan palm civets found in a live-animal market in Guangdong, China. Evidence of virus infection was also detected in other animals (including a raccoon dog, Nyctereutes procyonoides) and in humans working at the same market. All the animal isolates retain a 29-nucleotide sequence that is not found in most human isolates. The detection of SCoV-like viruses in small, live wild mammals in a retail market indicates a route of interspecies transmission, although the natural reservoir is not known.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Guan, Y -- Zheng, B J -- He, Y Q -- Liu, X L -- Zhuang, Z X -- Cheung, C L -- Luo, S W -- Li, P H -- Zhang, L J -- Guan, Y J -- Butt, K M -- Wong, K L -- Chan, K W -- Lim, W -- Shortridge, K F -- Yuen, K Y -- Peiris, J S M -- Poon, L L M -- New York, N.Y. -- Science. 2003 Oct 10;302(5643):276-8. Epub 2003 Sep 4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology, The University of Hong Kong, University Pathology Building, Queen Mary Hospital, Hong Kong Special Administrative Region, People's Republic of China. yguan@hkucc.hku.hk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12958366" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Animals, Wild/*virology ; Antibodies, Viral/blood ; Blotting, Western ; Carnivora/*virology ; China ; Coronavirus/classification/genetics/immunology/*isolation & purification ; Coronavirus Infections/veterinary/virology ; Disease Reservoirs ; Feces/virology ; Genome, Viral ; Humans ; Membrane Glycoproteins/chemistry/genetics ; Molecular Sequence Data ; Neutralization Tests ; Nose/virology ; Open Reading Frames/genetics ; Phylogeny ; Polymorphism, Genetic ; Reverse Transcriptase Polymerase Chain Reaction ; SARS Virus/classification/genetics/immunology/*isolation & purification ; Sequence Deletion ; Sequence Homology, Nucleic Acid ; Spike Glycoprotein, Coronavirus ; Viral Envelope Proteins/chemistry/genetics ; Viral Proteins/chemistry/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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  • 3
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    Zebrafish Dpr2 inhibits mesoderm induction by promoting degradation of nodal receptors (2004)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2004-10-02
    Description: Nodal proteins, members of the transforming growth factor-beta (TGFbeta) superfamily, have been identified as key endogenous mesoderm inducers in vertebrates. Precise control of Nodal signaling is essential for normal development of embryos. Here, we report that zebrafish dapper2 (dpr2) is expressed in mesoderm precursors during early embryogenesis and is positively regulated by Nodal signals. In vivo functional studies in zebrafish suggest that Dpr2 suppresses mesoderm induction activities of Nodal signaling. Dpr2 is localized in late endosomes, binds to the TGFbeta receptors ALK5 and ALK4, and accelerates lysosomal degradation of these receptors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, Lixia -- Zhou, Hu -- Su, Ying -- Sun, Zhihui -- Zhang, Haiwen -- Zhang, Long -- Zhang, Yu -- Ning, Yuanheng -- Chen, Ye-Guang -- Meng, Anming -- New York, N.Y. -- Science. 2004 Oct 1;306(5693):114-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Developmental Biology, Ministry of Education (MOE), Department of Biological Sciences and Biotechnology, Tsinghua University, Beijing 100084, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15459392" target="_blank"〉PubMed〈/a〉
    Keywords: Activin Receptors, Type I/*metabolism ; Amino Acid Sequence ; Animals ; Cell Line ; Embryo, Nonmammalian/embryology/*metabolism ; *Embryonic Induction ; Endosomes/metabolism ; Fluorescent Antibody Technique ; Gene Expression Profiling ; Gene Expression Regulation, Developmental ; Humans ; In Situ Hybridization ; Intracellular Signaling Peptides and Proteins ; Lysosomes/metabolism ; Mesoderm/*physiology ; Molecular Sequence Data ; Mutation ; Nodal Signaling Ligands ; Oligonucleotides, Antisense ; Protein-Serine-Threonine Kinases ; Proteins/metabolism ; Receptors, Transforming Growth Factor beta/*metabolism ; Signal Transduction ; Transforming Growth Factor beta/genetics/metabolism ; Zebrafish/*embryology/genetics/metabolism ; Zebrafish Proteins/chemistry/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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  • 4
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    Role of ER export signals in controlling surface potassium channel numbers (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-02-24
    Description: Little is known about the identity of endoplasmic reticulum (ER) export signals and how they are used to regulate the number of proteins on the cell surface. Here, we describe two ER export signals that profoundly altered the steady-state distribution of potassium channels and were required for channel localization to the plasma membrane. When transferred to other potassium channels or a G protein-coupled receptor, these ER export signals increased the number of functional proteins on the cell surface. Thus, ER export of membrane proteins is not necessarily limited by folding or assembly, but may be under the control of specific export signals.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ma, D -- Zerangue, N -- Lin, Y F -- Collins, A -- Yu, M -- Jan, Y N -- Jan, L Y -- New York, N.Y. -- Science. 2001 Jan 12;291(5502):316-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, University of California, San Francisco, San Francisco, CA 94143-0725, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11209084" target="_blank"〉PubMed〈/a〉
    Keywords: 3T3 Cells ; Amino Acid Motifs ; Amino Acid Sequence ; Amino Acid Substitution ; Animals ; COS Cells ; Cell Line ; Cell Membrane/*metabolism ; Endoplasmic Reticulum/*metabolism ; G Protein-Coupled Inwardly-Rectifying Potassium Channels ; Glycosylation ; Golgi Apparatus/metabolism ; Kv1.2 Potassium Channel ; Mice ; Molecular Sequence Data ; Oocytes ; Potassium Channels/*chemistry/genetics/*metabolism ; *Potassium Channels, Inwardly Rectifying ; *Potassium Channels, Voltage-Gated ; Protein Folding ; *Protein Sorting Signals ; Protein Transport ; Receptors, GABA-B/chemistry/metabolism ; Receptors, Retinoic Acid/chemistry/metabolism ; Recombinant Fusion Proteins/chemistry/metabolism ; Retinoid X Receptors ; Transcription Factors/chemistry/metabolism ; Xenopus
    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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    Human PAD4 regulates histone arginine methylation levels via demethylimination (2004)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2004-09-04
    Description: Methylation of arginine (Arg) and lysine residues in histones has been correlated with epigenetic forms of gene regulation. Although histone methyltransferases are known, enzymes that demethylate histones have not been identified. Here, we demonstrate that human peptidylarginine deiminase 4 (PAD4) regulates histone Arg methylation by converting methyl-Arg to citrulline and releasing methylamine. PAD4 targets multiple sites in histones H3 and H4, including those sites methylated by coactivators CARM1 (H3 Arg17) and PRMT1 (H4 Arg3). A decrease of histone Arg methylation, with a concomitant increase of citrullination, requires PAD4 activity in human HL-60 granulocytes. Moreover, PAD4 activity is linked with the transcriptional regulation of estrogen-responsive genes in MCF-7 cells. These data suggest that PAD4 mediates gene expression by regulating Arg methylation and citrullination in histones.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wang, Yanming -- Wysocka, Joanna -- Sayegh, Joyce -- Lee, Young-Ho -- Perlin, Julie R -- Leonelli, Lauriebeth -- Sonbuchner, Lakshmi S -- McDonald, Charles H -- Cook, Richard G -- Dou, Yali -- Roeder, Robert G -- Clarke, Steven -- Stallcup, Michael R -- Allis, C David -- Coonrod, Scott A -- DK55274/DK/NIDDK NIH HHS/ -- GM R01 26020/GM/NIGMS NIH HHS/ -- GM R01 50659/GM/NIGMS NIH HHS/ -- HD R01 38353/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 2004 Oct 8;306(5694):279-83. Epub 2004 Sep 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetic Medicine, Weill Medical College of Cornell University, 1300 York Avenue, New York, NY 10021, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15345777" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Arginine/*metabolism ; Blotting, Western ; Calcimycin/pharmacology ; Cell Line, Tumor ; Citrulline/metabolism ; Gene Expression Regulation ; Genes, Reporter ; HL-60 Cells ; Histones/*metabolism ; Humans ; Hydrolases/*metabolism ; Ionophores/pharmacology ; Membrane Proteins/genetics ; Methylamines/metabolism ; Methylation ; Molecular Sequence Data ; Presenilin-2 ; Promoter Regions, Genetic ; Protein-Arginine N-Methyltransferases/metabolism ; Recombinant Fusion Proteins/metabolism ; Recombinant Proteins/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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  • 6
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    A p53 amino-terminal nuclear export signal inhibited by DNA damage-induced phosphorylation (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-06-09
    Description: The p53 protein is present in low amounts in normally growing cells and is activated in response to physiological insults. MDM2 regulates p53 either through inhibiting p53's transactivating function in the nucleus or by targeting p53 degradation in the cytoplasm. We identified a previously unknown nuclear export signal (NES) in the amino terminus of p53, spanning residues 11 to 27 and containing two serine residues phosphorylated after DNA damage, which was required for p53 nuclear export in colloboration with the carboxyl-terminal NES. Serine-15-phosphorylated p53 induced by ultraviolet irradiation was not exported. Thus, DNA damage-induced phosphorylation may achieve optimal p53 activation by inhibiting both MDM2 binding to, and the nuclear export of, p53.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, Y -- Xiong, Y -- CA65572/CA/NCI NIH HHS/ -- K01 CA087580/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2001 Jun 8;292(5523):1910-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Lineberger Comprehensive Cancer Center, Department of Biochemistry and Biophysics, and Program in Molecular Biology and Biotechnology, University of North Carolina at Chapel Hill, NC 27599-7295, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11397945" target="_blank"〉PubMed〈/a〉
    Keywords: Active Transport, Cell Nucleus ; Amino Acid Sequence ; Animals ; Cell Fusion ; Cell Line ; Cell Nucleus/*metabolism ; Cells, Cultured ; Cytoplasm/metabolism ; *DNA Damage ; Mice ; Molecular Sequence Data ; Mutation ; *Nuclear Proteins ; Phosphorylation ; Phosphoserine/metabolism ; *Protein Sorting Signals ; Protein Structure, Tertiary ; Proteins/genetics/metabolism ; Proto-Oncogene Proteins/metabolism ; Proto-Oncogene Proteins c-mdm2 ; Recombinant Fusion Proteins/metabolism ; Transfection ; Tumor Suppressor Protein p14ARF ; Tumor Suppressor Protein p53/*chemistry/genetics/*metabolism ; Ubiquitins/metabolism ; Ultraviolet Rays
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
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    RGS-PX1, a GAP for GalphaS and sorting nexin in vesicular trafficking (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-12-01
    Description: Heterotrimeric GTP-binding proteins (G proteins) control cellular functions by transducing signals from the outside to the inside of cells. Regulator of G protein signaling (RGS) proteins are key modulators of the amplitude and duration of G protein-mediated signaling through their ability to serve as guanosine triphosphatase-activating proteins (GAPs). We have identified RGS-PX1, a Galpha(s)-specific GAP. The RGS domain of RGS-PX1 specifically interacted with Galpha(s), accelerated its GTP hydrolysis, and attenuated Galpha(s)-mediated signaling. RGS-PX1 also contains a Phox (PX) domain that resembles those in sorting nexin (SNX) proteins. Expression of RGS-PX1 delayed lysosomal degradation of the EGF receptor. Because of its bifunctional role as both a GAP and a SNX, RGS-PX1 may link heterotrimeric G protein signaling and vesicular trafficking.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zheng, B -- Ma, Y C -- Ostrom, R S -- Lavoie, C -- Gill, G N -- Insel, P A -- Huang, X Y -- Farquhar, M G -- AG14563/AG/NIA NIH HHS/ -- CA58689/CA/NCI NIH HHS/ -- DK17780/DK/NIDDK NIH HHS/ -- GM56904/GM/NIGMS NIH HHS/ -- HL53773/HL/NHLBI NIH HHS/ -- HL63885/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2001 Nov 30;294(5548):1939-42.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cellular and Molecular Medicine, University of California San Diego, La Jolla, CA 92093-0651, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11729322" target="_blank"〉PubMed〈/a〉
    Keywords: Adrenergic beta-2 Receptor Agonists ; Amino Acid Sequence ; Animals ; COS Cells ; Carrier Proteins/chemistry/*metabolism ; Cattle ; Cell Line ; Cyclic AMP/metabolism ; Endosomes/chemistry/metabolism ; GTP-Binding Protein alpha Subunits, Gs/antagonists & inhibitors/*metabolism ; GTPase-Activating Proteins/chemistry/*metabolism ; Guanosine Triphosphate/metabolism ; Humans ; Mitogen-Activated Protein Kinases/metabolism ; Molecular Sequence Data ; Protein Binding ; Protein Interaction Mapping ; Protein Structure, Tertiary ; Protein Transport ; RGS Proteins/chemistry/*metabolism ; Receptor, Epidermal Growth Factor/metabolism ; Receptors, Adrenergic, beta-2/genetics/metabolism ; Sequence Alignment ; Signal Transduction ; Sorting Nexins ; Substrate Specificity ; *Vesicular Transport Proteins
    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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  • 8
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    An LRR receptor kinase involved in perception of a peptide plant hormone, phytosulfokine (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-05-25
    Description: The sulfated peptide phytosulfokine (PSK) is an intercellular signal that plays a key role in cellular dedifferentiation and proliferation in plants. Using ligand-based affinity chromatography, we purified a 120-kilodalton membrane protein, specifically interacting with PSK, from carrot microsomal fractions. The corresponding complementary DNA encodes a 1021-amino acid receptor kinase that contains extracellular leucine-rich repeats, a single transmembrane domain, and a cytoplasmic kinase domain. Overexpression of this receptor kinase in carrot cells caused enhanced callus growth in response to PSK and a substantial increase in the number of tritium-labeled PSK binding sites, suggesting that PSK and this receptor kinase act as a ligand-receptor pair.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Matsubayashi, Yoshikatsu -- Ogawa, Mari -- Morita, Akiko -- Sakagami, Youji -- New York, N.Y. -- Science. 2002 May 24;296(5572):1470-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Graduate School of Bio-Agricultural Sciences, Nagoya University, Chikusa, Nagoya 464-8601, Japan. matsu@agr.nagoya-u.ac.jp〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12029134" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Binding, Competitive ; Cell Line ; Chromatography, Affinity ; DNA, Complementary ; Daucus carota/cytology/*enzymology/genetics/growth & development ; Genes, Plant ; Glycosylation ; Leucine ; Ligands ; Microsomes/enzymology ; Molecular Sequence Data ; Molecular Weight ; Peptide Hormones ; *Plant Growth Regulators ; Plant Proteins/*chemistry/genetics/isolation & purification/*metabolism ; Plants, Genetically Modified ; Polymerase Chain Reaction ; Protein Structure, Tertiary ; Receptors, Cell Surface/*chemistry/genetics/isolation & purification/*metabolism ; Repetitive Sequences, Amino Acid
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
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    Aureusidin synthase: a polyphenol oxidase homolog responsible for flower coloration (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2000-11-10
    Description: Aurones are plant flavonoids that provide yellow color to the flowers of some popular ornamental plants, such as snapdragon and cosmos. In this study, we have identified an enzyme responsible for the synthesis of aurone from chalcones in the yellow snapdragon flower. The enzyme (aureusidin synthase) is a 39-kilodalton, copper-containing glycoprotein catalyzing the hydroxylation and/or oxidative cyclization of the precursor chalcones, 2',4',6',4-tetrahydroxychalcone and 2',4',6',3,4-pentahydroxychalcone. The complementary DNA encoding aureusidin synthase is expressed in the petals of aurone-containing varieties. DNA sequence analysis revealed that aureusidin synthase belongs to the plant polyphenol oxidase family, providing an unequivocal example of the function of the polyphenol oxidase homolog in plants, i.e., flower coloration.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nakayama, T -- Yonekura-Sakakibara, K -- Sato, T -- Kikuchi, S -- Fukui, Y -- Fukuchi-Mizutani, M -- Ueda, T -- Nakao, M -- Tanaka, Y -- Kusumi, T -- Nishino, T -- New York, N.Y. -- Science. 2000 Nov 10;290(5494):1163-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biomolecular Engineering, Graduate School of Engineering, Tohoku University, Aoba-yama 07, Sendai 980-8579, Japan. nakayama@seika.che.tohoku.ac.jp〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11073455" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Angiosperms/*enzymology/genetics ; Benzofurans/*metabolism ; Catalysis ; Catechol Oxidase/chemistry/metabolism ; Cyclization ; DNA, Complementary ; Enzyme Precursors/chemistry/genetics/isolation & purification/metabolism ; Genes, Plant ; Hydroxylation ; Mixed Function Oxygenases/chemistry/genetics/isolation & purification/metabolism ; Molecular Sequence Data ; Molecular Weight ; Pigmentation ; Plant Structures/enzymology ; Plants/enzymology ; Sequence Homology, Amino Acid
    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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  • 10
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    Asef, a link between the tumor suppressor APC and G-protein signaling (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2000-08-19
    Description: The adenomatous polyposis coli gene (APC) is mutated in familial adenomatous polyposis and in sporadic colorectal tumors. Here the APC gene product is shown to bind through its armadillo repeat domain to a Rac-specific guanine nucleotide exchange factor (GEF), termed Asef. Endogenous APC colocalized with Asef in mouse colon epithelial cells and neuronal cells. Furthermore, APC enhanced the GEF activity of Asef and stimulated Asef-mediated cell flattening, membrane ruffling, and lamellipodia formation in MDCK cells. These results suggest that the APC-Asef complex may regulate the actin cytoskeletal network, cell morphology and migration, and neuronal function.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kawasaki, Y -- Senda, T -- Ishidate, T -- Koyama, R -- Morishita, T -- Iwayama, Y -- Higuchi, O -- Akiyama, T -- New York, N.Y. -- Science. 2000 Aug 18;289(5482):1194-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Molecular and Genetic Information, Institute for Molecular and Cellular Biosciences, University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10947987" target="_blank"〉PubMed〈/a〉
    Keywords: Adenomatous Polyposis Coli Protein ; Amino Acid Sequence ; Animals ; Brain/metabolism ; Cell Line ; Cell Membrane/ultrastructure ; Cell Size ; Colon/cytology/metabolism ; Cytoplasm/metabolism ; Cytoskeletal Proteins/*metabolism ; Guanine Nucleotide Exchange Factors/chemistry/genetics/*metabolism ; Guanosine Diphosphate/metabolism ; Humans ; Immunoblotting ; Intestinal Mucosa/cytology/metabolism ; Mice ; Molecular Sequence Data ; Neurons/metabolism ; Precipitin Tests ; Protein Binding ; Protein Structure, Tertiary ; Rats ; Recombinant Fusion Proteins/metabolism ; Rho Guanine Nucleotide Exchange Factors ; Signal Transduction ; *Trans-Activators ; Transfection ; Two-Hybrid System Techniques ; beta Catenin ; rac GTP-Binding Proteins/*metabolism
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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