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  • Molecular Sequence Data  (30)
  • Nature Publishing Group (NPG)  (30)
  • 2010-2014  (30)
  • 2013  (30)
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  • 2010-2014  (30)
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  • 1
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    The genesis and source of the H7N9 influenza viruses causing human infections in China (2013)
    Nature Publishing Group (NPG)
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    Publication Date: 2013-08-24
    Description: A novel H7N9 influenza A virus first detected in March 2013 has since caused more than 130 human infections in China, resulting in 40 deaths. Preliminary analyses suggest that the virus is a reassortant of H7, N9 and H9N2 avian influenza viruses, and carries some amino acids associated with mammalian receptor binding, raising concerns of a new pandemic. However, neither the source populations of the H7N9 outbreak lineage nor the conditions for its genesis are fully known. Using a combination of active surveillance, screening of virus archives, and evolutionary analyses, here we show that H7 viruses probably transferred from domestic duck to chicken populations in China on at least two independent occasions. We show that the H7 viruses subsequently reassorted with enzootic H9N2 viruses to generate the H7N9 outbreak lineage, and a related previously unrecognized H7N7 lineage. The H7N9 outbreak lineage has spread over a large geographic region and is prevalent in chickens at live poultry markets, which are thought to be the immediate source of human infections. Whether the H7N9 outbreak lineage has, or will, become enzootic in China and neighbouring regions requires further investigation. The discovery here of a related H7N7 influenza virus in chickens that has the ability to infect mammals experimentally, suggests that H7 viruses may pose threats beyond the current outbreak. The continuing prevalence of H7 viruses in poultry could lead to the generation of highly pathogenic variants and further sporadic human infections, with a continued risk of the virus acquiring human-to-human transmissibility.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3801098/" 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/PMC3801098/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lam, Tommy Tsan-Yuk -- Wang, Jia -- Shen, Yongyi -- Zhou, Boping -- Duan, Lian -- Cheung, Chung-Lam -- Ma, Chi -- Lycett, Samantha J -- Leung, Connie Yin-Hung -- Chen, Xinchun -- Li, Lifeng -- Hong, Wenshan -- Chai, Yujuan -- Zhou, Linlin -- Liang, Huyi -- Ou, Zhihua -- Liu, Yongmei -- Farooqui, Amber -- Kelvin, David J -- Poon, Leo L M -- Smith, David K -- Pybus, Oliver G -- Leung, Gabriel M -- Shu, Yuelong -- Webster, Robert G -- Webby, Richard J -- Peiris, Joseph S M -- Rambaut, Andrew -- Zhu, Huachen -- Guan, Yi -- 092807/Wellcome Trust/United Kingdom -- 095831/Wellcome Trust/United Kingdom -- 260864/European Research Council/International -- BB/E009670/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- HHSN266200700005C/AI/NIAID NIH HHS/ -- HSN266200700005C/PHS HHS/ -- England -- Nature. 2013 Oct 10;502(7470):241-4. doi: 10.1038/nature12515. Epub 2013 Aug 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Joint Influenza Research Centre (SUMC/HKU), Shantou University Medical College, Shantou 515041, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23965623" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chickens ; China ; Ducks ; Genes, Viral/genetics ; Humans ; Influenza A Virus, H7N7 Subtype/classification/genetics ; Influenza A Virus, H9N2 Subtype/classification/genetics ; Influenza A virus/*classification/*genetics ; Influenza in Birds/transmission/virology ; Influenza, Human/transmission/*virology ; Molecular Sequence Data ; *Phylogeny ; Reassortant Viruses/classification/genetics
    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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    High-level semi-synthetic production of the potent antimalarial artemisinin (2013)
    Nature Publishing Group (NPG)
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    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
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  • 3
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    The African coelacanth genome provides insights into tetrapod evolution (2013)
    Nature Publishing Group (NPG)
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    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
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 4
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    Isolation and characterization of a bat SARS-like coronavirus that uses the ACE2 receptor (2013)
    Nature Publishing Group (NPG)
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    Publication Date: 2013-11-01
    Description: The 2002-3 pandemic caused by severe acute respiratory syndrome coronavirus (SARS-CoV) was one of the most significant public health events in recent history. An ongoing outbreak of Middle East respiratory syndrome coronavirus suggests that this group of viruses remains a key threat and that their distribution is wider than previously recognized. Although bats have been suggested to be the natural reservoirs of both viruses, attempts to isolate the progenitor virus of SARS-CoV from bats have been unsuccessful. Diverse SARS-like coronaviruses (SL-CoVs) have now been reported from bats in China, Europe and Africa, but none is considered a direct progenitor of SARS-CoV because of their phylogenetic disparity from this virus and the inability of their spike proteins to use the SARS-CoV cellular receptor molecule, the human angiotensin converting enzyme II (ACE2). Here we report whole-genome sequences of two novel bat coronaviruses from Chinese horseshoe bats (family: Rhinolophidae) in Yunnan, China: RsSHC014 and Rs3367. These viruses are far more closely related to SARS-CoV than any previously identified bat coronaviruses, particularly in the receptor binding domain of the spike protein. Most importantly, we report the first recorded isolation of a live SL-CoV (bat SL-CoV-WIV1) from bat faecal samples in Vero E6 cells, which has typical coronavirus morphology, 99.9% sequence identity to Rs3367 and uses ACE2 from humans, civets and Chinese horseshoe bats for cell entry. Preliminary in vitro testing indicates that WIV1 also has a broad species tropism. Our results provide the strongest evidence to date that Chinese horseshoe bats are natural reservoirs of SARS-CoV, and that intermediate hosts may not be necessary for direct human infection by some bat SL-CoVs. They also highlight the importance of pathogen-discovery programs targeting high-risk wildlife groups in emerging disease hotspots as a strategy for pandemic preparedness.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ge, Xing-Yi -- Li, Jia-Lu -- Yang, Xing-Lou -- Chmura, Aleksei A -- Zhu, Guangjian -- Epstein, Jonathan H -- Mazet, Jonna K -- Hu, Ben -- Zhang, Wei -- Peng, Cheng -- Zhang, Yu-Ji -- Luo, Chu-Ming -- Tan, Bing -- Wang, Ning -- Zhu, Yan -- Crameri, Gary -- Zhang, Shu-Yi -- Wang, Lin-Fa -- Daszak, Peter -- Shi, Zheng-Li -- R01AI079231/AI/NIAID NIH HHS/ -- R01TW005869/TW/FIC NIH HHS/ -- R56TW009502/TW/FIC NIH HHS/ -- England -- Nature. 2013 Nov 28;503(7477):535-8. doi: 10.1038/nature12711. Epub 2013 Oct 30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Center for Emerging Infectious Diseases, State Key Laboratory of Virology, Wuhan Institute of Virology of the Chinese Academy of Sciences, Wuhan 430071, China [2].〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24172901" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cercopithecus aethiops ; China ; Chiroptera/*virology ; Disease Reservoirs/virology ; Feces/virology ; Fluorescent Antibody Technique ; Genome, Viral/genetics ; Host Specificity ; Humans ; Molecular Sequence Data ; Pandemics/prevention & control/veterinary ; Peptidyl-Dipeptidase A/genetics/*metabolism ; Real-Time Polymerase Chain Reaction ; Receptors, Virus/genetics/metabolism ; SARS Virus/genetics/*isolation & purification/*metabolism/ultrastructure ; Severe Acute Respiratory Syndrome/prevention & ; control/transmission/veterinary/virology ; Species Specificity ; Spike Glycoprotein, Coronavirus/chemistry/metabolism ; Vero Cells ; Virion/isolation & purification/ultrastructure ; Virus Internalization ; Viverridae/metabolism
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  • 5
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    D14-SCF(D3)-dependent degradation of D53 regulates strigolactone signalling (2013)
    Nature Publishing Group (NPG)
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    Publication Date: 2013-12-18
    Description: Strigolactones (SLs), a newly discovered class of carotenoid-derived phytohormones, are essential for developmental processes that shape plant architecture and interactions with parasitic weeds and symbiotic arbuscular mycorrhizal fungi. Despite the rapid progress in elucidating the SL biosynthetic pathway, the perception and signalling mechanisms of SL remain poorly understood. Here we show that DWARF 53 (D53) acts as a repressor of SL signalling and that SLs induce its degradation. We find that the rice (Oryza sativa) d53 mutant, which produces an exaggerated number of tillers compared to wild-type plants, is caused by a gain-of-function mutation and is insensitive to exogenous SL treatment. The D53 gene product shares predicted features with the class I Clp ATPase proteins and can form a complex with the alpha/beta hydrolase protein DWARF 14 (D14) and the F-box protein DWARF 3 (D3), two previously identified signalling components potentially responsible for SL perception. We demonstrate that, in a D14- and D3-dependent manner, SLs induce D53 degradation by the proteasome and abrogate its activity in promoting axillary bud outgrowth. Our combined genetic and biochemical data reveal that D53 acts as a repressor of the SL signalling pathway, whose hormone-induced degradation represents a key molecular link between SL perception and responses.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4096652/" 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/PMC4096652/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhou, Feng -- Lin, Qibing -- Zhu, Lihong -- Ren, Yulong -- Zhou, Kunneng -- Shabek, Nitzan -- Wu, Fuqing -- Mao, Haibin -- Dong, Wei -- Gan, Lu -- Ma, Weiwei -- Gao, He -- Chen, Jun -- Yang, Chao -- Wang, Dan -- Tan, Junjie -- Zhang, Xin -- Guo, Xiuping -- Wang, Jiulin -- Jiang, Ling -- Liu, Xi -- Chen, Weiqi -- Chu, Jinfang -- Yan, Cunyu -- Ueno, Kotomi -- Ito, Shinsaku -- Asami, Tadao -- Cheng, Zhijun -- Wang, Jie -- Lei, Cailin -- Zhai, Huqu -- Wu, Chuanyin -- Wang, Haiyang -- Zheng, Ning -- Wan, Jianmin -- R01 CA107134/CA/NCI NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2013 Dec 19;504(7480):406-10. doi: 10.1038/nature12878. Epub 2013 Dec 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] National Key Laboratory for Crop Genetics and Germplasm Enhancement, Jiangsu Plant Gene Engineering Research Center, Nanjing Agricultural University, Nanjing 210095, China [2] National Key Facility for Crop Gene Resources and Genetic Improvement, Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, China. ; National Key Facility for Crop Gene Resources and Genetic Improvement, Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, China. ; National Key Laboratory for Crop Genetics and Germplasm Enhancement, Jiangsu Plant Gene Engineering Research Center, Nanjing Agricultural University, Nanjing 210095, China. ; 1] Department of Pharmacology, University of Washington, Seattle, Washington 98195, USA [2] Howard Hughes Medical Institute, Box 357280, University of Washington, Seattle, Washington 98195, USA. ; National Centre for Plant Gene Research (Beijing), Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, 1-2 Beichen West Road, Beijing 100101, China. ; Department of Applied Biological Chemistry, The University of Tokyo, 1-1-1 Yayoi, Bunkyo, Tokyo 113-8657, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24336215" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Cloning, Molecular ; Gene Expression Regulation, Plant ; Lactones/*metabolism ; Molecular Sequence Data ; Mutation/genetics ; Oryza/genetics/*metabolism ; Phenotype ; Plant Growth Regulators/*metabolism ; Plant Proteins/genetics/*metabolism ; Proteasome Endopeptidase Complex/metabolism ; Protein Binding ; *Proteolysis ; SKP Cullin F-Box Protein Ligases/*metabolism ; *Signal Transduction
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  • 6
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    Oil palm genome sequence reveals divergence of interfertile species in Old and New worlds (2013)
    Nature Publishing Group (NPG)
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    Publication Date: 2013-07-26
    Description: Oil palm is the most productive oil-bearing crop. Although it is planted on only 5% of the total world vegetable oil acreage, palm oil accounts for 33% of vegetable oil and 45% of edible oil worldwide, but increased cultivation competes with dwindling rainforest reserves. We report the 1.8-gigabase (Gb) genome sequence of the African oil palm Elaeis guineensis, the predominant source of worldwide oil production. A total of 1.535 Gb of assembled sequence and transcriptome data from 30 tissue types were used to predict at least 34,802 genes, including oil biosynthesis genes and homologues of WRINKLED1 (WRI1), and other transcriptional regulators, which are highly expressed in the kernel. We also report the draft sequence of the South American oil palm Elaeis oleifera, which has the same number of chromosomes (2n = 32) and produces fertile interspecific hybrids with E. guineensis but seems to have diverged in the New World. Segmental duplications of chromosome arms define the palaeotetraploid origin of palm trees. The oil palm sequence enables the discovery of genes for important traits as well as somaclonal epigenetic alterations that restrict the use of clones in commercial plantings, and should therefore help to achieve sustainability for biofuels and edible oils, reducing the rainforest footprint of this tropical plantation crop.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3929164/" 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/PMC3929164/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Singh, Rajinder -- Ong-Abdullah, Meilina -- Low, Eng-Ti Leslie -- Manaf, Mohamad Arif Abdul -- Rosli, Rozana -- Nookiah, Rajanaidu -- Ooi, Leslie Cheng-Li -- Ooi, Siew-Eng -- Chan, Kuang-Lim -- Halim, Mohd Amin -- Azizi, Norazah -- Nagappan, Jayanthi -- Bacher, Blaire -- Lakey, Nathan -- Smith, Steven W -- He, Dong -- Hogan, Michael -- Budiman, Muhammad A -- Lee, Ernest K -- DeSalle, Rob -- Kudrna, David -- Goicoechea, Jose Luis -- Wing, Rod A -- Wilson, Richard K -- Fulton, Robert S -- Ordway, Jared M -- Martienssen, Robert A -- Sambanthamurthi, Ravigadevi -- Howard Hughes Medical Institute/ -- England -- Nature. 2013 Aug 15;500(7462):335-9. doi: 10.1038/nature12309. Epub 2013 Jul 24.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Malaysian Palm Oil Board, 6, Persiaran Institusi, Bandar Baru Bangi, 43000 Kajang, Selangor, Malaysia. raviga@mpob.gov.my〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23883927" target="_blank"〉PubMed〈/a〉
    Keywords: Arecaceae/*classification/*genetics ; Carbohydrate Metabolism/genetics ; Chromosomes, Plant/genetics ; Genome, Plant/*genetics ; Lipid Metabolism/genetics ; Models, Genetic ; Molecular Sequence Data ; *Phylogeny
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    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
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  • 8
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    A pathogenic picornavirus acquires an envelope by hijacking cellular membranes (2013)
    Nature Publishing Group (NPG)
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    Publication Date: 2013-04-02
    Description: Animal viruses are broadly categorized structurally by the presence or absence of an envelope composed of a lipid-bilayer membrane, attributes that profoundly affect stability, transmission and immune recognition. Among those lacking an envelope, the Picornaviridae are a large and diverse family of positive-strand RNA viruses that includes hepatitis A virus (HAV), an ancient human pathogen that remains a common cause of enterically transmitted hepatitis. HAV infects in a stealth-like manner and replicates efficiently in the liver. Virus-specific antibodies appear only after 3-4 weeks of infection, and typically herald its resolution. Although unexplained mechanistically, both anti-HAV antibody and inactivated whole-virus vaccines prevent disease when administered as late as 2 weeks after exposure, when virus replication is well established in the liver. Here we show that HAV released from cells is cloaked in host-derived membranes, thereby protecting the virion from antibody-mediated neutralization. These enveloped viruses ('eHAV') resemble exosomes, small vesicles that are increasingly recognized to be important in intercellular communications. They are fully infectious, sensitive to extraction with chloroform, and circulate in the blood of infected humans. Their biogenesis is dependent on host proteins associated with endosomal-sorting complexes required for transport (ESCRT), namely VPS4B and ALIX. Whereas the hijacking of membranes by HAV facilitates escape from neutralizing antibodies and probably promotes virus spread within the liver, anti-capsid antibodies restrict replication after infection with eHAV, suggesting a possible explanation for prophylaxis after exposure. Membrane hijacking by HAV blurs the classic distinction between 'enveloped' and 'non-enveloped' viruses and has broad implications for mechanisms of viral egress from infected cells as well as host immune responses.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3631468/" 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/PMC3631468/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Feng, Zongdi -- Hensley, Lucinda -- McKnight, Kevin L -- Hu, Fengyu -- Madden, Victoria -- Ping, Lifang -- Jeong, Sook-Hyang -- Walker, Christopher -- Lanford, Robert E -- Lemon, Stanley M -- P30 CA016086/CA/NCI NIH HHS/ -- P51 OD011133/OD/NIH HHS/ -- R01 AI103083/AI/NIAID NIH HHS/ -- R01-AI103083/AI/NIAID NIH HHS/ -- R37 AI047367/AI/NIAID NIH HHS/ -- England -- Nature. 2013 Apr 18;496(7445):367-71. doi: 10.1038/nature12029. Epub 2013 Mar 31.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Lineberger Comprehensive Cancer Center, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-7292, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23542590" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Neutralizing/immunology/therapeutic use ; Cell Line ; Cell Membrane/*metabolism ; Cercopithecus aethiops ; Endosomal Sorting Complexes Required for Transport/metabolism ; Hepatitis A/blood/immunology/prevention & control/virology ; Hepatitis A virus/chemistry/growth & development/immunology/*metabolism ; *Host-Pathogen Interactions ; Humans ; Liver/virology ; Macaca mulatta ; Molecular Sequence Data ; Neutralization Tests ; Pan troglodytes ; Viral Envelope Proteins
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 9
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    Immune clearance of highly pathogenic SIV infection (2013)
    Nature Publishing Group (NPG)
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    Publication Date: 2013-09-13
    Description: Established infections with the human and simian immunodeficiency viruses (HIV and SIV, respectively) are thought to be permanent with even the most effective immune responses and antiretroviral therapies only able to control, but not clear, these infections. Whether the residual virus that maintains these infections is vulnerable to clearance is a question of central importance to the future management of millions of HIV-infected individuals. We recently reported that approximately 50% of rhesus macaques (RM; Macaca mulatta) vaccinated with SIV protein-expressing rhesus cytomegalovirus (RhCMV/SIV) vectors manifest durable, aviraemic control of infection with the highly pathogenic strain SIVmac239 (ref. 5). Here we show that regardless of the route of challenge, RhCMV/SIV vector-elicited immune responses control SIVmac239 after demonstrable lymphatic and haematogenous viral dissemination, and that replication-competent SIV persists in several sites for weeks to months. Over time, however, protected RM lost signs of SIV infection, showing a consistent lack of measurable plasma- or tissue-associated virus using ultrasensitive assays, and a loss of T-cell reactivity to SIV determinants not in the vaccine. Extensive ultrasensitive quantitative PCR and quantitative PCR with reverse transcription analyses of tissues from RhCMV/SIV vector-protected RM necropsied 69-172 weeks after challenge did not detect SIV RNA or DNA sequences above background levels, and replication-competent SIV was not detected in these RM by extensive co-culture analysis of tissues or by adoptive transfer of 60 million haematolymphoid cells to naive RM. These data provide compelling evidence for progressive clearance of a pathogenic lentiviral infection, and suggest that some lentiviral reservoirs may be susceptible to the continuous effector memory T-cell-mediated immune surveillance elicited and maintained by cytomegalovirus vectors.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3849456/" 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/PMC3849456/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hansen, Scott G -- Piatak, Michael Jr -- Ventura, Abigail B -- Hughes, Colette M -- Gilbride, Roxanne M -- Ford, Julia C -- Oswald, Kelli -- Shoemaker, Rebecca -- Li, Yuan -- Lewis, Matthew S -- Gilliam, Awbrey N -- Xu, Guangwu -- Whizin, Nathan -- Burwitz, Benjamin J -- Planer, Shannon L -- Turner, John M -- Legasse, Alfred W -- Axthelm, Michael K -- Nelson, Jay A -- Fruh, Klaus -- Sacha, Jonah B -- Estes, Jacob D -- Keele, Brandon F -- Edlefsen, Paul T -- Lifson, Jeffrey D -- Picker, Louis J -- HHSN261200800001E/PHS HHS/ -- P01 AI094417/AI/NIAID NIH HHS/ -- P51OD011092/OD/NIH HHS/ -- R01 AI060392/AI/NIAID NIH HHS/ -- R01 DE021291/DE/NIDCR NIH HHS/ -- R37 AI054292/AI/NIAID NIH HHS/ -- U19 AI095985/AI/NIAID NIH HHS/ -- U19 AI096109/AI/NIAID NIH HHS/ -- U24 OD010850/OD/NIH HHS/ -- U42 OD010426/OD/NIH HHS/ -- England -- Nature. 2013 Oct 3;502(7469):100-4. doi: 10.1038/nature12519. Epub 2013 Sep 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Vaccine and Gene Therapy Institute and Oregon National Primate Research Center, Oregon Health & Science University, Beaverton, Oregon 97006, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24025770" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cytomegalovirus/genetics/immunology ; Female ; Macaca mulatta ; Male ; Molecular Sequence Data ; SAIDS Vaccines/*immunology ; Simian Acquired Immunodeficiency Syndrome/*prevention & control/virology ; Simian Immunodeficiency Virus/*immunology ; Time Factors ; Vaccines, Attenuated/immunology ; Viral Load ; Virus Replication/physiology
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    A compendium of RNA-binding motifs for decoding gene regulation (2013)
    Nature Publishing Group (NPG)
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    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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