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  • 1
    Publication Date: 2013-12-18
    Description: Strigolactones (SLs) are a group of newly identified plant hormones that control plant shoot branching. SL signalling requires the hormone-dependent interaction of DWARF 14 (D14), a probable candidate SL receptor, with DWARF 3 (D3), an F-box component of the Skp-Cullin-F-box (SCF) E3 ubiquitin ligase complex. Here we report the characterization of a dominant SL-insensitive rice (Oryza sativa) mutant dwarf 53 (d53) and the cloning of D53, which encodes a substrate of the SCF(D3) ubiquitination complex and functions as a repressor of SL signalling. Treatments with GR24, a synthetic SL analogue, cause D53 degradation via the proteasome in a manner that requires D14 and the SCF(D3) ubiquitin ligase, whereas the dominant form of D53 is resistant to SL-mediated degradation. Moreover, D53 can interact with transcriptional co-repressors known as TOPLESS-RELATED PROTEINS. Our results suggest a model of SL signalling that involves SL-dependent degradation of the D53 repressor mediated by the D14-D3 complex.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jiang, Liang -- Liu, Xue -- Xiong, Guosheng -- Liu, Huihui -- Chen, Fulu -- Wang, Lei -- Meng, Xiangbing -- Liu, Guifu -- Yu, Hong -- Yuan, Yundong -- Yi, Wei -- Zhao, Lihua -- Ma, Honglei -- He, Yuanzheng -- Wu, Zhongshan -- Melcher, Karsten -- Qian, Qian -- Xu, H Eric -- Wang, Yonghong -- Li, Jiayang -- England -- Nature. 2013 Dec 19;504(7480):401-5. doi: 10.1038/nature12870. Epub 2013 Dec 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] State Key Laboratory of Plant Genomics and National Center for Plant Gene Research (Beijing), Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China [2]. ; State Key Laboratory of Plant Genomics and National Center for Plant Gene Research (Beijing), Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China. ; VARI-SIMM Center, Center for Structure and Function of Drug Targets, CAS-Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China. ; Laboratory of Structural Sciences, Van Andel Research Institute, 333 Bostwick Avenue Northeast, Grand Rapids, Michigan 49503, USA. ; State Key Laboratory of Rice Biology, China National Rice Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310006, China. ; 1] VARI-SIMM Center, Center for Structure and Function of Drug Targets, CAS-Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China [2] Laboratory of Structural Sciences, Van Andel Research Institute, 333 Bostwick Avenue Northeast, Grand Rapids, Michigan 49503, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24336200" target="_blank"〉PubMed〈/a〉
    Keywords: Cloning, Molecular ; Gene Expression Regulation, Plant ; Lactones/*antagonists & inhibitors/*metabolism ; Models, Biological ; Multiprotein Complexes/chemistry/metabolism ; Mutation/genetics ; Oryza/genetics/*metabolism ; Plant Growth Regulators/antagonists & inhibitors/*metabolism ; Plant Proteins/chemistry/genetics/*metabolism ; Proteasome Endopeptidase Complex/metabolism ; Protein Binding ; Proteolysis ; *Signal Transduction ; Ubiquitin/metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 2
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2012-11-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fam, Shun Deng -- Yong, Ding Li -- Ng, Daniel -- Xiong, Gordon -- New York, N.Y. -- Science. 2012 Nov 2;338(6107):605. doi: 10.1126/science.338.6107.605.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23118170" target="_blank"〉PubMed〈/a〉
    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
    Publication Date: 2013-05-25
    Description: Key insights into the behavior of materials can be gained by observing their structure as they undergo lattice distortion. Laser pulses on the femtosecond time scale can be used to induce disorder in a "pump-probe" experiment with the ensuing transients being probed stroboscopically with femtosecond pulses of visible light, x-rays, or electrons. Here we report three-dimensional imaging of the generation and subsequent evolution of coherent acoustic phonons on the picosecond time scale within a single gold nanocrystal by means of an x-ray free-electron laser, providing insights into the physics of this phenomenon. Our results allow comparison and confirmation of predictive models based on continuum elasticity theory and molecular dynamics simulations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Clark, J N -- Beitra, L -- Xiong, G -- Higginbotham, A -- Fritz, D M -- Lemke, H T -- Zhu, D -- Chollet, M -- Williams, G J -- Messerschmidt, M -- Abbey, B -- Harder, R J -- Korsunsky, A M -- Wark, J S -- Robinson, I K -- BB/H022597/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- New York, N.Y. -- Science. 2013 Jul 5;341(6141):56-9. doi: 10.1126/science.1236034. Epub 2013 May 23.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉London Centre for Nanotechnology, University College London, London, UK. jesse.clark@ucl.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23704372" target="_blank"〉PubMed〈/a〉
    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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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2013-05-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yong, Ding Li -- Ng, Daniel -- Xiong, Gordon -- Fam, Shun Deng -- New York, N.Y. -- Science. 2013 May 10;340(6133):681-2. doi: 10.1126/science.340.6133.681-a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23661740" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Communicable Diseases, Emerging/*transmission/*virology ; Humans ; Influenza A virus/*physiology ; Influenza in Birds/*transmission ; Influenza, Human/*virology
    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
    Publication Date: 2014-12-24
    Description: The plant cell wall is an important factor for determining cell shape, function and response to the environment. Secondary cell walls, such as those found in xylem, are composed of cellulose, hemicelluloses and lignin and account for the bulk of plant biomass. The coordination between transcriptional regulation of synthesis for each polymer is complex and vital to cell function. A regulatory hierarchy of developmental switches has been proposed, although the full complement of regulators remains unknown. Here we present a protein-DNA network between Arabidopsis thaliana transcription factors and secondary cell wall metabolic genes with gene expression regulated by a series of feed-forward loops. This model allowed us to develop and validate new hypotheses about secondary wall gene regulation under abiotic stress. Distinct stresses are able to perturb targeted genes to potentially promote functional adaptation. These interactions will serve as a foundation for understanding the regulation of a complex, integral plant component.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4333722/" 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/PMC4333722/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Taylor-Teeples, M -- Lin, L -- de Lucas, M -- Turco, G -- Toal, T W -- Gaudinier, A -- Young, N F -- Trabucco, G M -- Veling, M T -- Lamothe, R -- Handakumbura, P P -- Xiong, G -- Wang, C -- Corwin, J -- Tsoukalas, A -- Zhang, L -- Ware, D -- Pauly, M -- Kliebenstein, D J -- Dehesh, K -- Tagkopoulos, I -- Breton, G -- Pruneda-Paz, J L -- Ahnert, S E -- Kay, S A -- Hazen, S P -- Brady, S M -- R01 GM056006/GM/NIGMS NIH HHS/ -- R01 GM107311/GM/NIGMS NIH HHS/ -- R01GM056006/GM/NIGMS NIH HHS/ -- R01GM107311/GM/NIGMS NIH HHS/ -- R25 GM056765/GM/NIGMS NIH HHS/ -- RC2 GM092412/GM/NIGMS NIH HHS/ -- RC2GM092412/GM/NIGMS NIH HHS/ -- England -- Nature. 2015 Jan 29;517(7536):571-5. doi: 10.1038/nature14099. Epub 2014 Dec 24.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Department of Plant Biology, University of California Davis, One Shields Avenue, Davis, California 95616, USA [2] Genome Center, University of California Davis, One Shields Avenue, Davis, California 95616, USA. ; Biology Department, University of Massachusetts, Amherst, Massachusetts 01003, USA. ; Department of Plant and Microbial Biology, University of California Berkeley, Berkeley, California 94720, USA. ; Department of Plant Biology, University of California Davis, One Shields Avenue, Davis, California 95616, USA. ; Department of Plant Sciences, University of California Davis, One Shields Avenue, Davis, California 95616, USA. ; 1] Genome Center, University of California Davis, One Shields Avenue, Davis, California 95616, USA [2] Department of Computer Science, University of California Davis, One Shields Avenue, Davis, California 95616, USA. ; Cold Spring Harbor Laboratory, Cold Spring Harbor, New York 11724, USA. ; 1] Cold Spring Harbor Laboratory, Cold Spring Harbor, New York 11724, USA [2] US Department of Agriculture, Agricultural Research Service, Ithaca, New York 14853, USA. ; Section of Cell and Developmental Biology, Division of Biological Sciences, University of California San Diego, La Jolla, California 92093, USA. ; Theory of Condensed Matter Group, Cavendish Laboratory, University of Cambridge, Cambridge CB3 0HE, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25533953" target="_blank"〉PubMed〈/a〉
    Keywords: Arabidopsis/*genetics/growth & development/*metabolism ; Arabidopsis Proteins/genetics/metabolism ; Cell Wall/*metabolism ; DNA, Plant/genetics/metabolism ; E2F Transcription Factors/metabolism ; Feedback ; Gene Expression Regulation, Developmental/genetics ; Gene Expression Regulation, Plant/*genetics ; Gene Regulatory Networks/*genetics ; Iron/deficiency ; Organ Specificity ; Promoter Regions, Genetic/genetics ; Reproducibility of Results ; Salinity ; Time Factors ; Transcription Factors/*metabolism ; Xylem/genetics/growth & development/metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 6
    Publication Date: 2013-01-26
    Description: Molecular ferroelectrics are highly desirable for their easy and environmentally friendly processing, light weight, and mechanical flexibility. We found that diisopropylammonium bromide (DIPAB), a molecular crystal processed from aqueous solution, is a ferroelectric with a spontaneous polarization of 23 microcoulombs per square centimeter [close to that of barium titanate (BTO)], high Curie temperature of 426 kelvin (above that of BTO), large dielectric constant, and low dielectric loss. DIPAB exhibits good piezoelectric response and well-defined ferroelectric domains. These attributes make it a molecular alternative to perovskite ferroelectrics and ferroelectric polymers in sensing, actuation, data storage, electro-optics, and molecular or flexible electronics.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fu, Da-Wei -- Cai, Hong-Ling -- Liu, Yuanming -- Ye, Qiong -- Zhang, Wen -- Zhang, Yi -- Chen, Xue-Yuan -- Giovannetti, Gianluca -- Capone, Massimo -- Li, Jiangyu -- Xiong, Ren-Gen -- New York, N.Y. -- Science. 2013 Jan 25;339(6118):425-8. doi: 10.1126/science.1229675.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Ordered Matter Science Research Centre, Southeast University, Nanjing 211189, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23349285" target="_blank"〉PubMed〈/a〉
    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
    ISSN: 0921-4534
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 0921-4534
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 0022-0248
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 0020-0891
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
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