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  • 1
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    High-level semi-synthetic production of the potent antimalarial artemisinin (2013)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2013-04-12
    Description: In 2010 there were more than 200 million cases of malaria, and at least 655,000 deaths. The World Health Organization has recommended artemisinin-based combination therapies (ACTs) for the treatment of uncomplicated malaria caused by the parasite Plasmodium falciparum. Artemisinin is a sesquiterpene endoperoxide with potent antimalarial properties, produced by the plant Artemisia annua. However, the supply of plant-derived artemisinin is unstable, resulting in shortages and price fluctuations, complicating production planning by ACT manufacturers. A stable source of affordable artemisinin is required. Here we use synthetic biology to develop strains of Saccharomyces cerevisiae (baker's yeast) for high-yielding biological production of artemisinic acid, a precursor of artemisinin. Previous attempts to produce commercially relevant concentrations of artemisinic acid were unsuccessful, allowing production of only 1.6 grams per litre of artemisinic acid. Here we demonstrate the complete biosynthetic pathway, including the discovery of a plant dehydrogenase and a second cytochrome that provide an efficient biosynthetic route to artemisinic acid, with fermentation titres of 25 grams per litre of artemisinic acid. Furthermore, we have developed a practical, efficient and scalable chemical process for the conversion of artemisinic acid to artemisinin using a chemical source of singlet oxygen, thus avoiding the need for specialized photochemical equipment. The strains and processes described here form the basis of a viable industrial process for the production of semi-synthetic artemisinin to stabilize the supply of artemisinin for derivatization into active pharmaceutical ingredients (for example, artesunate) for incorporation into ACTs. Because all intellectual property rights have been provided free of charge, this technology has the potential to increase provision of first-line antimalarial treatments to the developing world at a reduced average annual price.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Paddon, C J -- Westfall, P J -- Pitera, D J -- Benjamin, K -- Fisher, K -- McPhee, D -- Leavell, M D -- Tai, A -- Main, A -- Eng, D -- Polichuk, D R -- Teoh, K H -- Reed, D W -- Treynor, T -- Lenihan, J -- Fleck, M -- Bajad, S -- Dang, G -- Dengrove, D -- Diola, D -- Dorin, G -- Ellens, K W -- Fickes, S -- Galazzo, J -- Gaucher, S P -- Geistlinger, T -- Henry, R -- Hepp, M -- Horning, T -- Iqbal, T -- Jiang, H -- Kizer, L -- Lieu, B -- Melis, D -- Moss, N -- Regentin, R -- Secrest, S -- Tsuruta, H -- Vazquez, R -- Westblade, L F -- Xu, L -- Yu, M -- Zhang, Y -- Zhao, L -- Lievense, J -- Covello, P S -- Keasling, J D -- Reiling, K K -- Renninger, N S -- Newman, J D -- England -- Nature. 2013 Apr 25;496(7446):528-32. doi: 10.1038/nature12051. Epub 2013 Apr 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Amyris, Inc., 5885 Hollis Street, Suite 100, Emeryville, California 94608, USA. paddon@amyris.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23575629" target="_blank"〉PubMed〈/a〉
    Keywords: Antimalarials/economics/isolation & purification/metabolism/supply & distribution ; Artemisinins/chemistry/economics/isolation & purification/*metabolism/*supply & ; distribution ; *Biosynthetic Pathways ; Biotechnology ; Fermentation ; Genetic Engineering ; Malaria, Falciparum/drug therapy ; Molecular Sequence Data ; Saccharomyces cerevisiae/classification/genetics/growth & development/*metabolism ; Singlet Oxygen/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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  • 2
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    The African coelacanth genome provides insights into tetrapod evolution (2013)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2013-04-20
    Description: The discovery of a living coelacanth specimen in 1938 was remarkable, as this lineage of lobe-finned fish was thought to have become extinct 70 million years ago. The modern coelacanth looks remarkably similar to many of its ancient relatives, and its evolutionary proximity to our own fish ancestors provides a glimpse of the fish that first walked on land. Here we report the genome sequence of the African coelacanth, Latimeria chalumnae. Through a phylogenomic analysis, we conclude that the lungfish, and not the coelacanth, is the closest living relative of tetrapods. Coelacanth protein-coding genes are significantly more slowly evolving than those of tetrapods, unlike other genomic features. Analyses of changes in genes and regulatory elements during the vertebrate adaptation to land highlight genes involved in immunity, nitrogen excretion and the development of fins, tail, ear, eye, brain and olfaction. Functional assays of enhancers involved in the fin-to-limb transition and in the emergence of extra-embryonic tissues show the importance of the coelacanth genome as a blueprint for understanding tetrapod evolution.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3633110/" 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/PMC3633110/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Amemiya, Chris T -- Alfoldi, Jessica -- Lee, Alison P -- Fan, Shaohua -- Philippe, Herve -- Maccallum, Iain -- Braasch, Ingo -- Manousaki, Tereza -- Schneider, Igor -- Rohner, Nicolas -- Organ, Chris -- Chalopin, Domitille -- Smith, Jeramiah J -- Robinson, Mark -- Dorrington, Rosemary A -- Gerdol, Marco -- Aken, Bronwen -- Biscotti, Maria Assunta -- Barucca, Marco -- Baurain, Denis -- Berlin, Aaron M -- Blatch, Gregory L -- Buonocore, Francesco -- Burmester, Thorsten -- Campbell, Michael S -- Canapa, Adriana -- Cannon, John P -- Christoffels, Alan -- De Moro, Gianluca -- Edkins, Adrienne L -- Fan, Lin -- Fausto, Anna Maria -- Feiner, Nathalie -- Forconi, Mariko -- Gamieldien, Junaid -- Gnerre, Sante -- Gnirke, Andreas -- Goldstone, Jared V -- Haerty, Wilfried -- Hahn, Mark E -- Hesse, Uljana -- Hoffmann, Steve -- Johnson, Jeremy -- Karchner, Sibel I -- Kuraku, Shigehiro -- Lara, Marcia -- Levin, Joshua Z -- Litman, Gary W -- Mauceli, Evan -- Miyake, Tsutomu -- Mueller, M Gail -- Nelson, David R -- Nitsche, Anne -- Olmo, Ettore -- Ota, Tatsuya -- Pallavicini, Alberto -- Panji, Sumir -- Picone, Barbara -- Ponting, Chris P -- Prohaska, Sonja J -- Przybylski, Dariusz -- Saha, Nil Ratan -- Ravi, Vydianathan -- Ribeiro, Filipe J -- Sauka-Spengler, Tatjana -- Scapigliati, Giuseppe -- Searle, Stephen M J -- Sharpe, Ted -- Simakov, Oleg -- Stadler, Peter F -- Stegeman, John J -- Sumiyama, Kenta -- Tabbaa, Diana -- Tafer, Hakim -- Turner-Maier, Jason -- van Heusden, Peter -- White, Simon -- Williams, Louise -- Yandell, Mark -- Brinkmann, Henner -- Volff, Jean-Nicolas -- Tabin, Clifford J -- Shubin, Neil -- Schartl, Manfred -- Jaffe, David B -- Postlethwait, John H -- Venkatesh, Byrappa -- Di Palma, Federica -- Lander, Eric S -- Meyer, Axel -- Lindblad-Toh, Kerstin -- 095908/Wellcome Trust/United Kingdom -- MC_U137761446/Medical Research Council/United Kingdom -- P42 ES007381/ES/NIEHS NIH HHS/ -- R01 ES006272/ES/NIEHS NIH HHS/ -- R01 HG003474/HG/NHGRI NIH HHS/ -- R01 OD011116/OD/NIH HHS/ -- R24 OD011199/OD/NIH HHS/ -- R24 RR032670/RR/NCRR NIH HHS/ -- R37 HD032443/HD/NICHD NIH HHS/ -- U54 HG003067/HG/NHGRI NIH HHS/ -- England -- Nature. 2013 Apr 18;496(7445):311-6. doi: 10.1038/nature12027.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Molecular Genetics Program, Benaroya Research Institute, Seattle, Washington 98101, USA. camemiya@benaroyaresearch.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23598338" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Genetically Modified ; *Biological Evolution ; Chick Embryo ; Conserved Sequence/genetics ; Enhancer Elements, Genetic/genetics ; Evolution, Molecular ; Extremities/anatomy & histology/growth & development ; Fishes/anatomy & histology/*classification/*genetics/physiology ; Genes, Homeobox/genetics ; Genome/*genetics ; Genomics ; Immunoglobulin M/genetics ; Mice ; Molecular Sequence Annotation ; Molecular Sequence Data ; Phylogeny ; Sequence Alignment ; Sequence Analysis, DNA ; Vertebrates/anatomy & histology/genetics/physiology
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 3
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    Identification of a candidate therapeutic autophagy-inducing peptide (2013)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2013-02-01
    Description: The lysosomal degradation pathway of autophagy has a crucial role in defence against infection, neurodegenerative disorders, cancer and ageing. Accordingly, agents that induce autophagy may have broad therapeutic applications. One approach to developing such agents is to exploit autophagy manipulation strategies used by microbial virulence factors. Here we show that a peptide, Tat-beclin 1-derived from a region of the autophagy protein, beclin 1, which binds human immunodeficiency virus (HIV)-1 Nef-is a potent inducer of autophagy, and interacts with a newly identified negative regulator of autophagy, GAPR-1 (also called GLIPR2). Tat-beclin 1 decreases the accumulation of polyglutamine expansion protein aggregates and the replication of several pathogens (including HIV-1) in vitro, and reduces mortality in mice infected with chikungunya or West Nile virus. Thus, through the characterization of a domain of beclin 1 that interacts with HIV-1 Nef, we have developed an autophagy-inducing peptide that has potential efficacy in the treatment of human diseases.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3788641/" 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/PMC3788641/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shoji-Kawata, Sanae -- Sumpter, Rhea -- Leveno, Matthew -- Campbell, Grant R -- Zou, Zhongju -- Kinch, Lisa -- Wilkins, Angela D -- Sun, Qihua -- Pallauf, Kathrin -- MacDuff, Donna -- Huerta, Carlos -- Virgin, Herbert W -- Helms, J Bernd -- Eerland, Ruud -- Tooze, Sharon A -- Xavier, Ramnik -- Lenschow, Deborah J -- Yamamoto, Ai -- King, David -- Lichtarge, Olivier -- Grishin, Nick V -- Spector, Stephen A -- Kaloyanova, Dora V -- Levine, Beth -- K08 AI099150/AI/NIAID NIH HHS/ -- P30 CA142543/CA/NCI NIH HHS/ -- R01 GM066099/GM/NIGMS NIH HHS/ -- R01 GM079656/GM/NIGMS NIH HHS/ -- R01 GM094575/GM/NIGMS NIH HHS/ -- R01 NS050199/NS/NINDS NIH HHS/ -- R01 NS077111/NS/NINDS NIH HHS/ -- R01 NS084912/NS/NINDS NIH HHS/ -- R0I DK083756/DK/NIDDK NIH HHS/ -- R0I DK086502/DK/NIDDK NIH HHS/ -- R0I GM066099/GM/NIGMS NIH HHS/ -- R0I GM079656/GM/NIGMS NIH HHS/ -- R0I NS063973/NS/NINDS NIH HHS/ -- R0I NS077874/NS/NINDS NIH HHS/ -- RC1 DK086502/DK/NIDDK NIH HHS/ -- T32 GM008297/GM/NIGMS NIH HHS/ -- U54 AI057156/AI/NIAID NIH HHS/ -- U54AI057156/AI/NIAID NIH HHS/ -- U54AI057160/AI/NIAID NIH HHS/ -- Cancer Research UK/United Kingdom -- Howard Hughes Medical Institute/ -- England -- Nature. 2013 Feb 14;494(7436):201-6. doi: 10.1038/nature11866. Epub 2013 Jan 30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Internal Medicine, UT Southwestern Medical Center, Dallas, Texas 75390, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23364696" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Apoptosis Regulatory Proteins/*chemistry/metabolism/pharmacology/*therapeutic use ; Autophagy/*drug effects ; Cell Membrane Permeability ; Cells, Cultured ; Chikungunya virus/drug effects ; HIV-1/drug effects/metabolism/physiology ; HeLa Cells ; Humans ; Macrophages/cytology ; Membrane Proteins/*chemistry/metabolism/pharmacology/*therapeutic use ; Mice ; Molecular Sequence Data ; Peptide Fragments/*chemistry/metabolism/*pharmacology ; Recombinant Fusion Proteins/chemistry/metabolism/pharmacology ; Virus Replication/drug effects ; West Nile virus/drug effects ; nef Gene Products, Human Immunodeficiency Virus/metabolism ; tat Gene Products, Human Immunodeficiency Virus/genetics/metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 4
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    Distinguishable epidemics of multidrug-resistant Salmonella Typhimurium DT104 in different hosts (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-09-14
    Description: The global epidemic of multidrug-resistant Salmonella Typhimurium DT104 provides an important example, both in terms of the agent and its resistance, of a widely disseminated zoonotic pathogen. Here, with an unprecedented national collection of isolates collected contemporaneously from humans and animals and including a sample of internationally derived isolates, we have used whole-genome sequencing to dissect the phylogenetic associations of the bacterium and its antimicrobial resistance genes through the course of an epidemic. Contrary to current tenets supporting a single homogeneous epidemic, we demonstrate that the bacterium and its resistance genes were largely maintained within animal and human populations separately and that there was limited transmission, in either direction. We also show considerable variation in the resistance profiles, in contrast to the largely stable bacterial core genome, which emphasizes the critical importance of integrated genotypic data sets in understanding the ecology of bacterial zoonoses and antimicrobial resistance.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4012302/" 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/PMC4012302/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mather, A E -- Reid, S W J -- Maskell, D J -- Parkhill, J -- Fookes, M C -- Harris, S R -- Brown, D J -- Coia, J E -- Mulvey, M R -- Gilmour, M W -- Petrovska, L -- de Pinna, E -- Kuroda, M -- Akiba, M -- Izumiya, H -- Connor, T R -- Suchard, M A -- Lemey, P -- Mellor, D J -- Haydon, D T -- Thomson, N R -- 098051/Wellcome Trust/United Kingdom -- 260864/European Research Council/International -- AI107034/AI/NIAID NIH HHS/ -- HG006139/HG/NHGRI NIH HHS/ -- R01 AI107034/AI/NIAID NIH HHS/ -- R01 GM086887/GM/NIGMS NIH HHS/ -- R01 HG006139/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 2013 Sep 27;341(6153):1514-7. doi: 10.1126/science.1240578. Epub 2013 Sep 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton CB10 1SA, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24030491" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Drug Resistance, Multiple, Bacterial/*genetics ; Epidemics ; Genome, Bacterial ; *Host-Pathogen Interactions ; Humans ; Molecular Sequence Data ; Phylogeny ; Salmonella Infections/epidemiology/*microbiology ; Salmonella Infections, Animal/epidemiology/*microbiology ; Salmonella typhimurium/*classification/drug effects/genetics ; Zoonoses/*microbiology
    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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    A compendium of RNA-binding motifs for decoding gene regulation (2013)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2013-07-13
    Description: RNA-binding proteins are key regulators of gene expression, yet only a small fraction have been functionally characterized. Here we report a systematic analysis of the RNA motifs recognized by RNA-binding proteins, encompassing 205 distinct genes from 24 diverse eukaryotes. The sequence specificities of RNA-binding proteins display deep evolutionary conservation, and the recognition preferences for a large fraction of metazoan RNA-binding proteins can thus be inferred from their RNA-binding domain sequence. The motifs that we identify in vitro correlate well with in vivo RNA-binding data. Moreover, we can associate them with distinct functional roles in diverse types of post-transcriptional regulation, enabling new insights into the functions of RNA-binding proteins both in normal physiology and in human disease. These data provide an unprecedented overview of RNA-binding proteins and their targets, and constitute an invaluable resource for determining post-transcriptional regulatory mechanisms in eukaryotes.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3929597/" 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/PMC3929597/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ray, Debashish -- Kazan, Hilal -- Cook, Kate B -- Weirauch, Matthew T -- Najafabadi, Hamed S -- Li, Xiao -- Gueroussov, Serge -- Albu, Mihai -- Zheng, Hong -- Yang, Ally -- Na, Hong -- Irimia, Manuel -- Matzat, Leah H -- Dale, Ryan K -- Smith, Sarah A -- Yarosh, Christopher A -- Kelly, Seth M -- Nabet, Behnam -- Mecenas, Desirea -- Li, Weimin -- Laishram, Rakesh S -- Qiao, Mei -- Lipshitz, Howard D -- Piano, Fabio -- Corbett, Anita H -- Carstens, Russ P -- Frey, Brendan J -- Anderson, Richard A -- Lynch, Kristen W -- Penalva, Luiz O F -- Lei, Elissa P -- Fraser, Andrew G -- Blencowe, Benjamin J -- Morris, Quaid D -- Hughes, Timothy R -- 1R01HG00570/HG/NHGRI NIH HHS/ -- DK015602-05/DK/NIDDK NIH HHS/ -- MOP-125894/Canadian Institutes of Health Research/Canada -- MOP-14409/Canadian Institutes of Health Research/Canada -- MOP-49451/Canadian Institutes of Health Research/Canada -- MOP-67011/Canadian Institutes of Health Research/Canada -- MOP-93671/Canadian Institutes of Health Research/Canada -- P30 CA014520/CA/NCI NIH HHS/ -- R01 CA104708/CA/NCI NIH HHS/ -- R01 GM051968/GM/NIGMS NIH HHS/ -- R01 GM084034/GM/NIGMS NIH HHS/ -- R01 HG005700/HG/NHGRI NIH HHS/ -- R01GM084034/GM/NIGMS NIH HHS/ -- T32 GM008061/GM/NIGMS NIH HHS/ -- Z01 DK015602-01/Intramural NIH HHS/ -- England -- Nature. 2013 Jul 11;499(7457):172-7. doi: 10.1038/nature12311.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Donnelly Centre, University of Toronto, Toronto M5S 3E1, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23846655" target="_blank"〉PubMed〈/a〉
    Keywords: Autistic Disorder/genetics ; Base Sequence ; Binding Sites/genetics ; Conserved Sequence/genetics ; Eukaryotic Cells/metabolism ; Gene Expression Regulation/*genetics ; Humans ; Molecular Sequence Data ; Nucleotide Motifs/*genetics ; Protein Structure, Tertiary/genetics ; RNA Stability/genetics ; RNA-Binding Proteins/chemistry/genetics/*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
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    Draft genome of the wheat A-genome progenitor Triticum urartu (2013)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2013-03-29
    Description: Bread wheat (Triticum aestivum, AABBDD) is one of the most widely cultivated and consumed food crops in the world. However, the complex polyploid nature of its genome makes genetic and functional analyses extremely challenging. The A genome, as a basic genome of bread wheat and other polyploid wheats, for example, T. turgidum (AABB), T. timopheevii (AAGG) and T. zhukovskyi (AAGGA(m)A(m)), is central to wheat evolution, domestication and genetic improvement. The progenitor species of the A genome is the diploid wild einkorn wheat T. urartu, which resembles cultivated wheat more extensively than do Aegilops speltoides (the ancestor of the B genome) and Ae. tauschii (the donor of the D genome), especially in the morphology and development of spike and seed. Here we present the generation, assembly and analysis of a whole-genome shotgun draft sequence of the T. urartu genome. We identified protein-coding gene models, performed genome structure analyses and assessed its utility for analysing agronomically important genes and for developing molecular markers. Our T. urartu genome assembly provides a diploid reference for analysis of polyploid wheat genomes and is a valuable resource for the genetic improvement of wheat.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ling, Hong-Qing -- Zhao, Shancen -- Liu, Dongcheng -- Wang, Junyi -- Sun, Hua -- Zhang, Chi -- Fan, Huajie -- Li, Dong -- Dong, Lingli -- Tao, Yong -- Gao, Chuan -- Wu, Huilan -- Li, Yiwen -- Cui, Yan -- Guo, Xiaosen -- Zheng, Shusong -- Wang, Biao -- Yu, Kang -- Liang, Qinsi -- Yang, Wenlong -- Lou, Xueyuan -- Chen, Jie -- Feng, Mingji -- Jian, Jianbo -- Zhang, Xiaofei -- Luo, Guangbin -- Jiang, Ying -- Liu, Junjie -- Wang, Zhaobao -- Sha, Yuhui -- Zhang, Bairu -- Wu, Huajun -- Tang, Dingzhong -- Shen, Qianhua -- Xue, Pengya -- Zou, Shenhao -- Wang, Xiujie -- Liu, Xin -- Wang, Famin -- Yang, Yanping -- An, Xueli -- Dong, Zhenying -- Zhang, Kunpu -- Zhang, Xiangqi -- Luo, Ming-Cheng -- Dvorak, Jan -- Tong, Yiping -- Wang, Jian -- Yang, Huanming -- Li, Zhensheng -- Wang, Daowen -- Zhang, Aimin -- Wang, Jun -- England -- Nature. 2013 Apr 4;496(7443):87-90. doi: 10.1038/nature11997. Epub 2013 Mar 24.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23535596" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Brachypodium/genetics ; Crops, Agricultural/classification/genetics ; Diploidy ; Genetic Markers/genetics ; Genome, Plant/*genetics ; Molecular Sequence Data ; Oryza/genetics ; Phylogeny ; Sorghum/genetics ; Synteny/genetics ; Triticum/classification/*genetics ; Zea mays/genetics
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 7
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    Immunological and virological mechanisms of vaccine-mediated protection against SIV and HIV (2013)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2013-12-20
    Description: A major challenge for the development of a highly effective AIDS vaccine is the identification of mechanisms of protective immunity. To address this question, we used a nonhuman primate challenge model with simian immunodeficiency virus (SIV). We show that antibodies to the SIV envelope are necessary and sufficient to prevent infection. Moreover, sequencing of viruses from breakthrough infections revealed selective pressure against neutralization-sensitive viruses; we identified a two-amino-acid signature that alters antigenicity and confers neutralization resistance. A similar signature confers resistance of human immunodeficiency virus (HIV)-1 to neutralization by monoclonal antibodies against variable regions 1 and 2 (V1V2), suggesting that SIV and HIV share a fundamental mechanism of immune escape from vaccine-elicited or naturally elicited antibodies. These analyses provide insight into the limited efficacy seen in HIV vaccine trials.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3946913/" 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/PMC3946913/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roederer, Mario -- Keele, Brandon F -- Schmidt, Stephen D -- Mason, Rosemarie D -- Welles, Hugh C -- Fischer, Will -- Labranche, Celia -- Foulds, Kathryn E -- Louder, Mark K -- Yang, Zhi-Yong -- Todd, John-Paul M -- Buzby, Adam P -- Mach, Linh V -- Shen, Ling -- Seaton, Kelly E -- Ward, Brandy M -- Bailer, Robert T -- Gottardo, Raphael -- Gu, Wenjuan -- Ferrari, Guido -- Alam, S Munir -- Denny, Thomas N -- Montefiori, David C -- Tomaras, Georgia D -- Korber, Bette T -- Nason, Martha C -- Seder, Robert A -- Koup, Richard A -- Letvin, Norman L -- Rao, Srinivas S -- Nabel, Gary J -- Mascola, John R -- AI100645/AI/NIAID NIH HHS/ -- HHSN261200800001E/PHS HHS/ -- HHSN27201100016C/PHS HHS/ -- UM1 AI100645/AI/NIAID NIH HHS/ -- Z99 AI999999/Intramural NIH HHS/ -- ZIA AI005019-12/Intramural NIH HHS/ -- England -- Nature. 2014 Jan 23;505(7484):502-8. doi: 10.1038/nature12893. Epub 2013 Dec 18.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Vaccine Research Center, NIAID, NIH, Bethesda, Maryland 20892, USA. ; SAIC-Frederick, Frederick National Laboratory, NIH, Frederick, Maryland 21702, USA. ; 1] Vaccine Research Center, NIAID, NIH, Bethesda, Maryland 20892, USA [2] George Washington University, Washington DC 20052, USA. ; Los Alamos National Laboratories, Los Alamos, New Mexico 87545, USA. ; Department of Surgery, Duke University, Durham, North Carolina 27710, USA. ; 1] Vaccine Research Center, NIAID, NIH, Bethesda, Maryland 20892, USA [2] Sanofi-Pasteur, Cambridge, Massachusetts 02139, USA. ; Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, Massachusetts 02115, USA. ; Human Vaccine Institute, Duke University, Durham, North Carolina 27710, USA. ; Fred Hutchison Cancer Research Center, Seattle, Washington 98109, USA. ; Biostatistics Research Branch, NIAID, NIH, Bethesda, Maryland 20892, USA. ; 1] Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, Massachusetts 02115, USA [2].〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24352234" target="_blank"〉PubMed〈/a〉
    Keywords: AIDS Vaccines/*immunology ; Amino Acid Sequence ; Animals ; Antibodies, Neutralizing/immunology ; Disease Susceptibility/immunology ; Female ; Founder Effect ; HIV Antibodies/immunology ; HIV Infections/immunology/*prevention & control/*virology ; HIV-1/chemistry/*immunology ; Humans ; Immune Evasion/immunology ; Macaca mulatta ; Male ; Molecular Sequence Data ; Phylogeny ; Risk ; SAIDS Vaccines/*immunology ; Simian Acquired Immunodeficiency Syndrome/immunology/prevention & ; control/virology ; Simian Immunodeficiency Virus/chemistry/genetics/*immunology/physiology ; env Gene Products, Human Immunodeficiency Virus/immunology
    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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  • 8
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    Mutations in prion-like domains in hnRNPA2B1 and hnRNPA1 cause multisystem proteinopathy and ALS (2013)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2013-03-05
    Description: Algorithms designed to identify canonical yeast prions predict that around 250 human proteins, including several RNA-binding proteins associated with neurodegenerative disease, harbour a distinctive prion-like domain (PrLD) enriched in uncharged polar amino acids and glycine. PrLDs in RNA-binding proteins are essential for the assembly of ribonucleoprotein granules. However, the interplay between human PrLD function and disease is not understood. Here we define pathogenic mutations in PrLDs of heterogeneous nuclear ribonucleoproteins (hnRNPs) A2B1 and A1 in families with inherited degeneration affecting muscle, brain, motor neuron and bone, and in one case of familial amyotrophic lateral sclerosis. Wild-type hnRNPA2 (the most abundant isoform of hnRNPA2B1) and hnRNPA1 show an intrinsic tendency to assemble into self-seeding fibrils, which is exacerbated by the disease mutations. Indeed, the pathogenic mutations strengthen a 'steric zipper' motif in the PrLD, which accelerates the formation of self-seeding fibrils that cross-seed polymerization of wild-type hnRNP. Notably, the disease mutations promote excess incorporation of hnRNPA2 and hnRNPA1 into stress granules and drive the formation of cytoplasmic inclusions in animal models that recapitulate the human pathology. Thus, dysregulated polymerization caused by a potent mutant steric zipper motif in a PrLD can initiate degenerative disease. Related proteins with PrLDs should therefore be considered candidates for initiating and perhaps propagating proteinopathies of muscle, brain, motor neuron and bone.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3756911/" 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/PMC3756911/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kim, Hong Joo -- Kim, Nam Chul -- Wang, Yong-Dong -- Scarborough, Emily A -- Moore, Jennifer -- Diaz, Zamia -- MacLea, Kyle S -- Freibaum, Brian -- Li, Songqing -- Molliex, Amandine -- Kanagaraj, Anderson P -- Carter, Robert -- Boylan, Kevin B -- Wojtas, Aleksandra M -- Rademakers, Rosa -- Pinkus, Jack L -- Greenberg, Steven A -- Trojanowski, John Q -- Traynor, Bryan J -- Smith, Bradley N -- Topp, Simon -- Gkazi, Athina-Soragia -- Miller, Jack -- Shaw, Christopher E -- Kottlors, Michael -- Kirschner, Janbernd -- Pestronk, Alan -- Li, Yun R -- Ford, Alice Flynn -- Gitler, Aaron D -- Benatar, Michael -- King, Oliver D -- Kimonis, Virginia E -- Ross, Eric D -- Weihl, Conrad C -- Shorter, James -- Taylor, J Paul -- 089701/Wellcome Trust/United Kingdom -- AG031867/AG/NIA NIH HHS/ -- AG032953/AG/NIA NIH HHS/ -- DP2OD002177/OD/NIH HHS/ -- G0900688/Medical Research Council/United Kingdom -- K02 AG042095/AG/NIA NIH HHS/ -- MC_G1000733/Medical Research Council/United Kingdom -- NS053825/NS/NINDS NIH HHS/ -- NS067354/NS/NINDS NIH HHS/ -- P01 AG032953/AG/NIA NIH HHS/ -- R01 AG031867/AG/NIA NIH HHS/ -- R01 NS053825/NS/NINDS NIH HHS/ -- England -- Nature. 2013 Mar 28;495(7442):467-73. doi: 10.1038/nature11922. Epub 2013 Mar 3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Developmental Neurobiology, St Jude Children's Research Hospital, Memphis, Tennessee 38120, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23455423" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Amyotrophic Lateral Sclerosis/*genetics/metabolism/*pathology ; Animals ; Drosophila melanogaster/cytology/genetics/metabolism ; Female ; Frontotemporal Dementia/*genetics/metabolism/pathology ; HeLa Cells ; Heterogeneous-Nuclear Ribonucleoprotein Group A-B/*chemistry/genetics/*metabolism ; Humans ; Inclusion Bodies/genetics/metabolism/pathology ; Male ; Mice ; Molecular Sequence Data ; Muscular Dystrophies, Limb-Girdle/*genetics/metabolism/pathology ; Mutant Proteins/chemistry/*genetics/metabolism ; Mutation/*genetics ; Myositis, Inclusion Body/*genetics/metabolism/pathology ; Osteitis Deformans/*genetics/metabolism/pathology ; Peptide Termination Factors/chemistry/genetics/metabolism ; Prions/*chemistry/genetics/metabolism ; Protein Structure, Tertiary/genetics ; RNA/metabolism ; Saccharomyces cerevisiae Proteins/chemistry/genetics/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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  • 9
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    Rational HIV immunogen design to target specific germline B cell receptors (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-03-30
    Description: Vaccine development to induce broadly neutralizing antibodies (bNAbs) against HIV-1 is a global health priority. Potent VRC01-class bNAbs against the CD4 binding site of HIV gp120 have been isolated from HIV-1-infected individuals; however, such bNAbs have not been induced by vaccination. Wild-type gp120 proteins lack detectable affinity for predicted germline precursors of VRC01-class bNAbs, making them poor immunogens to prime a VRC01-class response. We employed computation-guided, in vitro screening to engineer a germline-targeting gp120 outer domain immunogen that binds to multiple VRC01-class bNAbs and germline precursors, and elucidated germline binding crystallographically. When multimerized on nanoparticles, this immunogen (eOD-GT6) activates germline and mature VRC01-class B cells. Thus, eOD-GT6 nanoparticles have promise as a vaccine prime. In principle, germline-targeting strategies could be applied to other epitopes and pathogens.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3689846/" 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/PMC3689846/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jardine, Joseph -- Julien, Jean-Philippe -- Menis, Sergey -- Ota, Takayuki -- Kalyuzhniy, Oleksandr -- McGuire, Andrew -- Sok, Devin -- Huang, Po-Ssu -- MacPherson, Skye -- Jones, Meaghan -- Nieusma, Travis -- Mathison, John -- Baker, David -- Ward, Andrew B -- Burton, Dennis R -- Stamatatos, Leonidas -- Nemazee, David -- Wilson, Ian A -- Schief, William R -- 5T32AI007606-10/AI/NIAID NIH HHS/ -- AI081625/AI/NIAID NIH HHS/ -- AI33292/AI/NIAID NIH HHS/ -- AI84817/AI/NIAID NIH HHS/ -- P01 AI094419/AI/NIAID NIH HHS/ -- P30 AI027767-24/AI/NIAID NIH HHS/ -- P41RR001209/RR/NCRR NIH HHS/ -- R01 AI033292/AI/NIAID NIH HHS/ -- R01 AI073148/AI/NIAID NIH HHS/ -- R01 AI081625/AI/NIAID NIH HHS/ -- R01 AI084817/AI/NIAID NIH HHS/ -- R37 AI033292/AI/NIAID NIH HHS/ -- T32 CA080416/CA/NCI NIH HHS/ -- T32CA080416/CA/NCI NIH HHS/ -- UM1 AI100663/AI/NIAID NIH HHS/ -- Y1-CO-1020/CO/NCI NIH HHS/ -- Y1-GM-1104/GM/NIGMS NIH HHS/ -- Canadian Institutes of Health Research/Canada -- New York, N.Y. -- Science. 2013 May 10;340(6133):711-6. doi: 10.1126/science.1234150. Epub 2013 Mar 28.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Immunology and Microbial Science, The Scripps Research Institute, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23539181" target="_blank"〉PubMed〈/a〉
    Keywords: AIDS Vaccines/chemistry/genetics/*immunology ; Amino Acid Sequence ; Animals ; Antibodies, Neutralizing/immunology ; Antigens, CD4/immunology ; B-Lymphocytes/immunology ; Crystallography, X-Ray ; DNA Mutational Analysis ; Germ Cells/*immunology ; HIV Envelope Protein gp120/chemistry/genetics/*immunology ; HIV Infections/*prevention & control ; HIV-1/*immunology ; Humans ; Macaca ; Mice ; Models, Animal ; Molecular Sequence Data ; Nanoparticles ; Protein Engineering ; Protein Structure, Tertiary ; Receptors, Antigen, B-Cell/*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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  • 10
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    The genetic basis for bacterial mercury methylation (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-02-09
    Description: Methylmercury is a potent neurotoxin produced in natural environments from inorganic mercury by anaerobic bacteria. However, until now the genes and proteins involved have remained unidentified. Here, we report a two-gene cluster, hgcA and hgcB, required for mercury methylation by Desulfovibrio desulfuricans ND132 and Geobacter sulfurreducens PCA. In either bacterium, deletion of hgcA, hgcB, or both genes abolishes mercury methylation. The genes encode a putative corrinoid protein, HgcA, and a 2[4Fe-4S] ferredoxin, HgcB, consistent with roles as a methyl carrier and an electron donor required for corrinoid cofactor reduction, respectively. Among bacteria and archaea with sequenced genomes, gene orthologs are present in confirmed methylators but absent in nonmethylators, suggesting a common mercury methylation pathway in all methylating bacteria and archaea sequenced to date.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Parks, Jerry M -- Johs, Alexander -- Podar, Mircea -- Bridou, Romain -- Hurt, Richard A Jr -- Smith, Steven D -- Tomanicek, Stephen J -- Qian, Yun -- Brown, Steven D -- Brandt, Craig C -- Palumbo, Anthony V -- Smith, Jeremy C -- Wall, Judy D -- Elias, Dwayne A -- Liang, Liyuan -- New York, N.Y. -- Science. 2013 Mar 15;339(6125):1332-5. doi: 10.1126/science.1230667. Epub 2013 Feb 7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23393089" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Bacterial Proteins/*genetics ; Corrinoids/genetics ; Desulfovibrio desulfuricans/*genetics/metabolism ; Environmental Pollutants/*metabolism ; Ferredoxins/genetics ; Gene Deletion ; Geobacter/*genetics/metabolism ; Mercury/*metabolism ; Methylation ; Molecular Sequence Data ; *Multigene Family
    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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