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  • 1
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    Kaposi's sarcoma-associated herpesvirus infection and multiple myeloma (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-01-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Parravicini, C -- Lauri, E -- Baldini, L -- Neri, A -- Poli, F -- Sirchia, G -- Moroni, M -- Galli, M -- Corbellino, M -- New York, N.Y. -- Science. 1997 Dec 12;278(5345):1969-70; author reply 1972-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9417642" target="_blank"〉PubMed〈/a〉
    Keywords: Aged ; Aged, 80 and over ; Antibodies, Viral/*blood ; Bone Marrow Cells/*virology ; DNA, Viral/analysis ; Female ; Herpesviridae Infections/*complications/virology ; Herpesvirus 8, Human/genetics/immunology/*isolation & purification ; Humans ; Male ; Middle Aged ; Multiple Myeloma/*virology ; Polymerase Chain Reaction
    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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    Paternal control of embryonic patterning in Arabidopsis thaliana (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-03-17
    Description: The YODA (YDA) mitogen-activated protein kinase pathway promotes elongation of the Arabidopsis zygote and development of its basal daughter cell into the extra-embryonic suspensor. Here, we show that the interleukin-1 receptor-associated kinase (IRAK)/Pelle-like kinase gene SHORT SUSPENSOR (SSP) regulates this pathway through a previously unknown parent-of-origin effect. SSP transcripts are produced in mature pollen but do not appear to be translated. Instead, they are delivered via the sperm cells to the zygote and the endosperm, where SSP protein transiently accumulates. Ectopic expression of SSP protein in the leaf epidermis is sufficient to activate YDA-dependent signaling. We propose that SSP protein produced from paternal transcripts upon fertilization triggers zygotic YDA activity, providing an essential temporal cue for the regulation of the asymmetric first division.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bayer, Martin -- Nawy, Tal -- Giglione, Carmela -- Galli, Mary -- Meinnel, Thierry -- Lukowitz, Wolfgang -- New York, N.Y. -- Science. 2009 Mar 13;323(5920):1485-8. doi: 10.1126/science.1167784.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cold Spring Harbor Laboratory, Cold Spring Harbor, NY 11724, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19286558" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Motifs ; Arabidopsis/*embryology/*genetics/metabolism ; Arabidopsis Proteins/*metabolism ; Biocatalysis ; Catalytic Domain ; Cell Division ; Crosses, Genetic ; *Gene Expression Regulation, Plant ; Genomic Imprinting ; Interleukin-1 Receptor-Associated Kinases/chemistry/*genetics/*metabolism ; MAP Kinase Kinase Kinases/*metabolism ; MAP Kinase Signaling System ; Mutation ; Plants, Genetically Modified ; Pollen/metabolism ; Protein Binding ; Protein Structure, Tertiary ; RNA, Messenger/genetics/metabolism ; Recombinant Fusion Proteins ; Seeds/growth & development/metabolism ; Transcription, Genetic
    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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    Independently evolved virulence effectors converge onto hubs in a plant immune system network (2011)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2011-07-30
    Description: Plants generate effective responses to infection by recognizing both conserved and variable pathogen-encoded molecules. Pathogens deploy virulence effector proteins into host cells, where they interact physically with host proteins to modulate defense. We generated an interaction network of plant-pathogen effectors from two pathogens spanning the eukaryote-eubacteria divergence, three classes of Arabidopsis immune system proteins, and ~8000 other Arabidopsis proteins. We noted convergence of effectors onto highly interconnected host proteins and indirect, rather than direct, connections between effectors and plant immune receptors. We demonstrated plant immune system functions for 15 of 17 tested host proteins that interact with effectors from both pathogens. Thus, pathogens from different kingdoms deploy independently evolved virulence proteins that interact with a limited set of highly connected cellular hubs to facilitate their diverse life-cycle strategies.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3170753/" 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/PMC3170753/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mukhtar, M Shahid -- Carvunis, Anne-Ruxandra -- Dreze, Matija -- Epple, Petra -- Steinbrenner, Jens -- Moore, Jonathan -- Tasan, Murat -- Galli, Mary -- Hao, Tong -- Nishimura, Marc T -- Pevzner, Samuel J -- Donovan, Susan E -- Ghamsari, Lila -- Santhanam, Balaji -- Romero, Viviana -- Poulin, Matthew M -- Gebreab, Fana -- Gutierrez, Bryan J -- Tam, Stanley -- Monachello, Dario -- Boxem, Mike -- Harbort, Christopher J -- McDonald, Nathan -- Gai, Lantian -- Chen, Huaming -- He, Yijian -- European Union Effectoromics Consortium -- Vandenhaute, Jean -- Roth, Frederick P -- Hill, David E -- Ecker, Joseph R -- Vidal, Marc -- Beynon, Jim -- Braun, Pascal -- Dangl, Jeffery L -- BB/E024815/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/G015066/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- E024815/Biotechnology and Biological Sciences Research Council/United Kingdom -- F005806/Biotechnology and Biological Sciences Research Council/United Kingdom -- G015066/Biotechnology and Biological Sciences Research Council/United Kingdom -- GM-066025/GM/NIGMS NIH HHS/ -- P50 HG004233/HG/NHGRI NIH HHS/ -- P50 HG004233-04/HG/NHGRI NIH HHS/ -- P50-HG004233/HG/NHGRI NIH HHS/ -- R01 GM066025/GM/NIGMS NIH HHS/ -- R01 GM066025-07/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2011 Jul 29;333(6042):596-601. doi: 10.1126/science.1203659.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21798943" target="_blank"〉PubMed〈/a〉
    Keywords: Arabidopsis/genetics/*immunology/*metabolism/microbiology ; Bacterial Proteins/metabolism ; Evolution, Molecular ; Genes, Plant ; *Host-Pathogen Interactions ; Immunity, Innate ; Oomycetes/pathogenicity ; Plant Diseases/*immunology ; *Plant Immunity ; Protein Interaction Mapping ; Pseudomonas syringae/pathogenicity ; Receptors, Immunologic/*metabolism ; Virulence Factors/*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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    Detection of gamma-ray emission from the Vela pulsar wind nebula with AGILE (2010)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2010-01-02
    Description: Pulsars are known to power winds of relativistic particles that can produce bright nebulae by interacting with the surrounding medium. These pulsar wind nebulae are observed by their radio, optical, and x-ray emissions, and in some cases also at TeV (teraelectron volt) energies, but the lack of information in the gamma-ray band precludes drawing a comprehensive multiwavelength picture of their phenomenology and emission mechanisms. Using data from the AGILE satellite, we detected the Vela pulsar wind nebula in the energy range from 100 MeV to 3 GeV. This result constrains the particle population responsible for the GeV emission and establishes a class of gamma-ray emitters that could account for a fraction of the unidentified galactic gamma-ray sources.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pellizzoni, A -- Trois, A -- Tavani, M -- Pilia, M -- Giuliani, A -- Pucella, G -- Esposito, P -- Sabatini, S -- Piano, G -- Argan, A -- Barbiellini, G -- Bulgarelli, A -- Burgay, M -- Caraveo, P -- Cattaneo, P W -- Chen, A W -- Cocco, V -- Contessi, T -- Costa, E -- D'Ammando, F -- Del Monte, E -- De Paris, G -- Di Cocco, G -- Di Persio, G -- Donnarumma, I -- Evangelista, Y -- Feroci, M -- Ferrari, A -- Fiorini, M -- Fuschino, F -- Galli, M -- Gianotti, F -- Hotan, A -- Labanti, C -- Lapshov, I -- Lazzarotto, F -- Lipari, P -- Longo, F -- Marisaldi, M -- Mastropietro, M -- Mereghetti, S -- Moretti, E -- Morselli, A -- Pacciani, L -- Palfreyman, J -- Perotti, F -- Picozza, P -- Pittori, C -- Possenti, A -- Prest, M -- Rapisarda, M -- Rappoldi, A -- Rossi, E -- Rubini, A -- Santolamazza, P -- Scalise, E -- Soffitta, P -- Striani, E -- Trifoglio, M -- Vallazza, E -- Vercellone, S -- Verrecchia, F -- Vittorini, V -- Zambra, A -- Zanello, D -- Giommi, P -- Colafrancesco, S -- Antonelli, A -- Salotti, L -- D'Amico, N -- Bignami, G F -- New York, N.Y. -- Science. 2010 Feb 5;327(5966):663-5. doi: 10.1126/science.1183844. Epub 2009 Dec 31.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉INAF-Osservatorio Astronomico di Cagliari, loc. Poggio dei Pini, strada 54, I-09012, Capoterra (CA), Italy. apellizz@ca.astro.it〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20044540" 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
    Published by American Association for the Advancement of Science (AAAS)
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  • 5
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    Discovery of powerful gamma-ray flares from the Crab Nebula (2011)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2011-01-08
    Description: The well-known Crab Nebula is at the center of the SN1054 supernova remnant. It consists of a rotationally powered pulsar interacting with a surrounding nebula through a relativistic particle wind. The emissions originating from the pulsar and nebula have been considered to be essentially stable. Here, we report the detection of strong gamma-ray (100 mega-electron volts to 10 giga-electron volts) flares observed by the AGILE satellite in September 2010 and October 2007. In both cases, the total gamma-ray flux increased by a factor of three compared with the non-flaring flux. The flare luminosity and short time scale favor an origin near the pulsar, and we discuss Chandra Observatory x-ray and Hubble Space Telescope optical follow-up observations of the nebula. Our observations challenge standard models of nebular emission and require power-law acceleration by shock-driven plasma wave turbulence within an approximately 1-day time scale.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tavani, M -- Bulgarelli, A -- Vittorini, V -- Pellizzoni, A -- Striani, E -- Caraveo, P -- Weisskopf, M C -- Tennant, A -- Pucella, G -- Trois, A -- Costa, E -- Evangelista, Y -- Pittori, C -- Verrecchia, F -- Del Monte, E -- Campana, R -- Pilia, M -- De Luca, A -- Donnarumma, I -- Horns, D -- Ferrigno, C -- Heinke, C O -- Trifoglio, M -- Gianotti, F -- Vercellone, S -- Argan, A -- Barbiellini, G -- Cattaneo, P W -- Chen, A W -- Contessi, T -- D'Ammando, F -- DePris, G -- Di Cocco, G -- Di Persio, G -- Feroci, M -- Ferrari, A -- Galli, M -- Giuliani, A -- Giusti, M -- Labanti, C -- Lapshov, I -- Lazzarotto, F -- Lipari, P -- Longo, F -- Fuschino, F -- Marisaldi, M -- Mereghetti, S -- Morelli, E -- Moretti, E -- Morselli, A -- Pacciani, L -- Perotti, F -- Piano, G -- Picozza, P -- Prest, M -- Rapisarda, M -- Rappoldi, A -- Rubini, A -- Sabatini, S -- Soffitta, P -- Vallazza, E -- Zambra, A -- Zanello, D -- Lucarelli, F -- Santolamazza, P -- Giommi, P -- Salotti, L -- Bignami, G F -- New York, N.Y. -- Science. 2011 Feb 11;331(6018):736-9. doi: 10.1126/science.1200083. Epub 2011 Jan 6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Istituto Nazionale di Astrofisica-Istituto di Astrofisica Spaziale e Fisica Cosmica (INAF-IASF) Roma, via del Fosso del Cavaliere 100, 00133 Roma, Italy. pi.agile@iasf-roma.inaf.it〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21212318" 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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  • 6
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    A persulfidation-based mechanism controls aquaporin-8 conductance (2018)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2018-05-03
    Description: Upon engagement of tyrosine kinase receptors, nicotinamide adenine dinucleotide phosphate (NADPH)–oxidases release H 2 O 2 in the extracellular space. We reported previously that aquaporin-8 (AQP8) transports H 2 O 2 across the plasma membrane and is reversibly gated during cell stress, modulating signal strength and duration. We show that AQP8 gating is mediated by persulfidation of cysteine 53 (C53). Treatment with H 2 S is sufficient to block H 2 O 2 entry in unstressed cells. Silencing cystathionine β-synthase (CBS) prevents closure, suggesting that this enzyme is the main source of H 2 S. Molecular modeling indicates that C53 persulfidation displaces a nearby histidine located in the narrowest part of the channel. We propose that H 2 O 2 molecules transported through AQP8 sulfenylate C53, making it susceptible to H 2 S produced by CBS. This mechanism tunes H 2 O 2 transport and may control signaling and limit oxidative stress.
    Electronic ISSN: 2375-2548
    Topics: Natural Sciences in General
    Published by American Association for the Advancement of Science (AAAS)
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