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  • 2005-2009  (634)
  • 1
    Publication Date: 2007-09-22
    Description: Parasitic nematodes that cause elephantiasis and river blindness threaten hundreds of millions of people in the developing world. We have sequenced the approximately 90 megabase (Mb) genome of the human filarial parasite Brugia malayi and predict approximately 11,500 protein coding genes in 71 Mb of robustly assembled sequence. Comparative analysis with the free-living, model nematode Caenorhabditis elegans revealed that, despite these genes having maintained little conservation of local synteny during approximately 350 million years of evolution, they largely remain in linkage on chromosomal units. More than 100 conserved operons were identified. Analysis of the predicted proteome provides evidence for adaptations of B. malayi to niches in its human and vector hosts and insights into the molecular basis of a mutualistic relationship with its Wolbachia endosymbiont. These findings offer a foundation for rational drug design.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2613796/" 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/PMC2613796/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ghedin, Elodie -- Wang, Shiliang -- Spiro, David -- Caler, Elisabet -- Zhao, Qi -- Crabtree, Jonathan -- Allen, Jonathan E -- Delcher, Arthur L -- Guiliano, David B -- Miranda-Saavedra, Diego -- Angiuoli, Samuel V -- Creasy, Todd -- Amedeo, Paolo -- Haas, Brian -- El-Sayed, Najib M -- Wortman, Jennifer R -- Feldblyum, Tamara -- Tallon, Luke -- Schatz, Michael -- Shumway, Martin -- Koo, Hean -- Salzberg, Steven L -- Schobel, Seth -- Pertea, Mihaela -- Pop, Mihai -- White, Owen -- Barton, Geoffrey J -- Carlow, Clotilde K S -- Crawford, Michael J -- Daub, Jennifer -- Dimmic, Matthew W -- Estes, Chris F -- Foster, Jeremy M -- Ganatra, Mehul -- Gregory, William F -- Johnson, Nicholas M -- Jin, Jinming -- Komuniecki, Richard -- Korf, Ian -- Kumar, Sanjay -- Laney, Sandra -- Li, Ben-Wen -- Li, Wen -- Lindblom, Tim H -- Lustigman, Sara -- Ma, Dong -- Maina, Claude V -- Martin, David M A -- McCarter, James P -- McReynolds, Larry -- Mitreva, Makedonka -- Nutman, Thomas B -- Parkinson, John -- Peregrin-Alvarez, Jose M -- Poole, Catherine -- Ren, Qinghu -- Saunders, Lori -- Sluder, Ann E -- Smith, Katherine -- Stanke, Mario -- Unnasch, Thomas R -- Ware, Jenna -- Wei, Aguan D -- Weil, Gary -- Williams, Deryck J -- Zhang, Yinhua -- Williams, Steven A -- Fraser-Liggett, Claire -- Slatko, Barton -- Blaxter, Mark L -- Scott, Alan L -- R01 AI048562/AI/NIAID NIH HHS/ -- R01 AI048562-09/AI/NIAID NIH HHS/ -- R01 LM006845/LM/NLM NIH HHS/ -- R01 LM006845-08/LM/NLM NIH HHS/ -- R01 LM007938/LM/NLM NIH HHS/ -- R01 LM007938-04/LM/NLM NIH HHS/ -- R15 ES013128/ES/NIEHS NIH HHS/ -- R15 ES013128-01/ES/NIEHS NIH HHS/ -- U01 AI048828/AI/NIAID NIH HHS/ -- U01-AI50903/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2007 Sep 21;317(5845):1756-60.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Infectious Diseases, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA. GhedinE@dom.pitt.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17885136" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brugia malayi/*genetics/physiology ; Caenorhabditis/genetics ; Drosophila melanogaster/genetics ; Drug Resistance/genetics ; Filariasis/parasitology ; *Genome, Helminth ; Humans ; Molecular Sequence Data
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
    Publication Date: 2008-11-07
    Description: Here we present the first diploid genome sequence of an Asian individual. The genome was sequenced to 36-fold average coverage using massively parallel sequencing technology. We aligned the short reads onto the NCBI human reference genome to 99.97% coverage, and guided by the reference genome, we used uniquely mapped reads to assemble a high-quality consensus sequence for 92% of the Asian individual's genome. We identified approximately 3 million single-nucleotide polymorphisms (SNPs) inside this region, of which 13.6% were not in the dbSNP database. Genotyping analysis showed that SNP identification had high accuracy and consistency, indicating the high sequence quality of this assembly. We also carried out heterozygote phasing and haplotype prediction against HapMap CHB and JPT haplotypes (Chinese and Japanese, respectively), sequence comparison with the two available individual genomes (J. D. Watson and J. C. Venter), and structural variation identification. These variations were considered for their potential biological impact. Our sequence data and analyses demonstrate the potential usefulness of next-generation sequencing technologies for personal genomics.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2716080/" 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/PMC2716080/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wang, Jun -- Wang, Wei -- Li, Ruiqiang -- Li, Yingrui -- Tian, Geng -- Goodman, Laurie -- Fan, Wei -- Zhang, Junqing -- Li, Jun -- Zhang, Juanbin -- Guo, Yiran -- Feng, Binxiao -- Li, Heng -- Lu, Yao -- Fang, Xiaodong -- Liang, Huiqing -- Du, Zhenglin -- Li, Dong -- Zhao, Yiqing -- Hu, Yujie -- Yang, Zhenzhen -- Zheng, Hancheng -- Hellmann, Ines -- Inouye, Michael -- Pool, John -- Yi, Xin -- Zhao, Jing -- Duan, Jinjie -- Zhou, Yan -- Qin, Junjie -- Ma, Lijia -- Li, Guoqing -- Yang, Zhentao -- Zhang, Guojie -- Yang, Bin -- Yu, Chang -- Liang, Fang -- Li, Wenjie -- Li, Shaochuan -- Li, Dawei -- Ni, Peixiang -- Ruan, Jue -- Li, Qibin -- Zhu, Hongmei -- Liu, Dongyuan -- Lu, Zhike -- Li, Ning -- Guo, Guangwu -- Zhang, Jianguo -- Ye, Jia -- Fang, Lin -- Hao, Qin -- Chen, Quan -- Liang, Yu -- Su, Yeyang -- San, A -- Ping, Cuo -- Yang, Shuang -- Chen, Fang -- Li, Li -- Zhou, Ke -- Zheng, Hongkun -- Ren, Yuanyuan -- Yang, Ling -- Gao, Yang -- Yang, Guohua -- Li, Zhuo -- Feng, Xiaoli -- Kristiansen, Karsten -- Wong, Gane Ka-Shu -- Nielsen, Rasmus -- Durbin, Richard -- Bolund, Lars -- Zhang, Xiuqing -- Li, Songgang -- Yang, Huanming -- Wang, Jian -- 077192/Wellcome Trust/United Kingdom -- R01 HG003229/HG/NHGRI NIH HHS/ -- R01 HG003229-04/HG/NHGRI NIH HHS/ -- England -- Nature. 2008 Nov 6;456(7218):60-5. doi: 10.1038/nature07484.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Beijing Genomics Institute at Shenzhen, Shenzhen 518000, China. wangj@genomics.org.cn〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18987735" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Animals ; Asian Continental Ancestry Group/*genetics ; Consensus Sequence ; Databases, Genetic ; *Diploidy ; Genetic Predisposition to Disease/genetics ; Genome, Human/*genetics ; *Genomics ; Haplotypes/genetics ; Humans ; Internet ; Pan troglodytes/genetics ; Phenotype ; Polymorphism, Single Nucleotide/genetics ; Sensitivity and Specificity ; Sequence Alignment
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 3
    Publication Date: 2008-02-15
    Description: Choanoflagellates are the closest known relatives of metazoans. To discover potential molecular mechanisms underlying the evolution of metazoan multicellularity, we sequenced and analysed the genome of the unicellular choanoflagellate Monosiga brevicollis. The genome contains approximately 9,200 intron-rich genes, including a number that encode cell adhesion and signalling protein domains that are otherwise restricted to metazoans. Here we show that the physical linkages among protein domains often differ between M. brevicollis and metazoans, suggesting that abundant domain shuffling followed the separation of the choanoflagellate and metazoan lineages. The completion of the M. brevicollis genome allows us to reconstruct with increasing resolution the genomic changes that accompanied the origin of metazoans.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2562698/" 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/PMC2562698/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉King, Nicole -- Westbrook, M Jody -- Young, Susan L -- Kuo, Alan -- Abedin, Monika -- Chapman, Jarrod -- Fairclough, Stephen -- Hellsten, Uffe -- Isogai, Yoh -- Letunic, Ivica -- Marr, Michael -- Pincus, David -- Putnam, Nicholas -- Rokas, Antonis -- Wright, Kevin J -- Zuzow, Richard -- Dirks, William -- Good, Matthew -- Goodstein, David -- Lemons, Derek -- Li, Wanqing -- Lyons, Jessica B -- Morris, Andrea -- Nichols, Scott -- Richter, Daniel J -- Salamov, Asaf -- Sequencing, J G I -- Bork, Peer -- Lim, Wendell A -- Manning, Gerard -- Miller, W Todd -- McGinnis, William -- Shapiro, Harris -- Tjian, Robert -- Grigoriev, Igor V -- Rokhsar, Daniel -- R01 CA058530/CA/NCI NIH HHS/ -- R01 CA058530-14/CA/NCI NIH HHS/ -- R01 GM077197/GM/NIGMS NIH HHS/ -- R01 HG004164/HG/NHGRI NIH HHS/ -- R01 HG004164-01/HG/NHGRI NIH HHS/ -- R37 HD028315/HD/NICHD NIH HHS/ -- England -- Nature. 2008 Feb 14;451(7180):783-8. doi: 10.1038/nature06617.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cell Biology and the Center for Integrative Genomics, University of California, Berkeley, California 94720, USA. nking@berkeley.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18273011" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Adhesion ; Conserved Sequence ; Eukaryotic Cells/classification/cytology/*metabolism ; Evolution, Molecular ; Extracellular Matrix/metabolism ; Gene Expression Regulation ; Genetic Speciation ; Genome/*genetics ; Hedgehog Proteins/chemistry/genetics ; Humans ; Introns/genetics ; Phosphotyrosine/metabolism ; *Phylogeny ; Protein Structure, Tertiary/genetics ; Receptors, Notch/chemistry/genetics ; Signal Transduction/genetics ; Transcription Factors/genetics/metabolism ; Transcription, Genetic
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    Electronic ISSN: 1476-4687
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  • 4
    Publication Date: 2008-10-17
    Description: Repeating intermolecular protein association by means of beta-sheet expansion is the mechanism underlying a multitude of diseases including Alzheimer's, Huntington's and Parkinson's and the prion encephalopathies. A family of proteins, known as the serpins, also forms large stable multimers by ordered beta-sheet linkages leading to intracellular accretion and disease. These 'serpinopathies' include early-onset dementia caused by mutations in neuroserpin, liver cirrhosis and emphysema caused by mutations in alpha(1)-antitrypsin (alpha(1)AT), and thrombosis caused by mutations in antithrombin. Serpin structure and function are quite well understood, and the family has therefore become a model system for understanding the beta-sheet expansion disorders collectively known as the conformational diseases. To develop strategies to prevent and reverse these disorders, it is necessary to determine the structural basis of the intermolecular linkage and of the pathogenic monomeric state. Here we report the crystallographic structure of a stable serpin dimer which reveals a domain swap of more than 50 residues, including two long antiparallel beta-strands inserting in the centre of the principal beta-sheet of the neighbouring monomer. This structure explains the extreme stability of serpin polymers, the molecular basis of their rapid propagation, and provides critical new insights into the structural changes which initiate irreversible beta-sheet expansion.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yamasaki, Masayuki -- Li, Wei -- Johnson, Daniel J D -- Huntington, James A -- G0801899/Medical Research Council/United Kingdom -- England -- Nature. 2008 Oct 30;455(7217):1255-8. doi: 10.1038/nature07394. Epub 2008 Oct 15.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of Cambridge, Department of Haematology, Cambridge Institute for Medical Research, Wellcome Trust/MRC Building, Hills Road, Cambridge CB2 0XY, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18923394" target="_blank"〉PubMed〈/a〉
    Keywords: Antithrombin III/*chemistry/*metabolism ; Biopolymers/chemistry/metabolism ; Crystallography, X-Ray ; Dimerization ; Humans ; Models, Molecular ; Protein Conformation
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  • 5
    Publication Date: 2009-08-13
    Description: Since the initial description of induced pluripotent stem (iPS) cells created by forced expression of four transcription factors in mouse fibroblasts, the technique has been used to generate embryonic stem (ES)-cell-like pluripotent cells from a variety of cell types in other species, including primates and rat. It has become a popular means to reprogram somatic genomes into an embryonic-like pluripotent state, and a preferred alternative to somatic-cell nuclear transfer and somatic-cell fusion with ES cells. However, iPS cell reprogramming remains slow and inefficient. Notably, no live animals have been produced by the most stringent tetraploid complementation assay, indicative of a failure to create fully pluripotent cells. Here we report the generation of several iPS cell lines that are capable of generating viable, fertile live-born progeny by tetraploid complementation. These iPS cells maintain a pluripotent potential that is very close to ES cells generated from in vivo or nuclear transfer embryos. We demonstrate the practicality of using iPS cells as useful tools for the characterization of cellular reprogramming and developmental potency, and confirm that iPS cells can attain true pluripotency that is similar to that of ES cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhao, Xiao-yang -- Li, Wei -- Lv, Zhuo -- Liu, Lei -- Tong, Man -- Hai, Tang -- Hao, Jie -- Guo, Chang-long -- Ma, Qing-wen -- Wang, Liu -- Zeng, Fanyi -- Zhou, Qi -- England -- Nature. 2009 Sep 3;461(7260):86-90. doi: 10.1038/nature08267.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉State Key Laboratory of Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19672241" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blastocyst/cytology/physiology ; Cell Dedifferentiation/physiology ; Cell Line ; Cell Lineage ; Cellular Reprogramming ; Embryo, Mammalian/cytology/embryology/metabolism ; Embryonic Stem Cells/cytology/physiology ; Female ; Fibroblasts/cytology ; Gene Expression Profiling ; Genetic Complementation Test ; Male ; Mice ; Mice, SCID ; Pluripotent Stem Cells/cytology/*physiology ; *Polyploidy ; Pregnancy ; *Reproductive Techniques ; Survival Rate ; Teratoma
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    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 6
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    Nature Publishing Group (NPG)
    Publication Date: 2009-09-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Li, Wanxin -- England -- Nature. 2009 Aug 6;460(7256):683-4. doi: 10.1038/460683c.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China, and Tsinghua Graduate School at Shenzhen, Shenzhen, China wanxili@cityu.edu.hk.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19661891" target="_blank"〉PubMed〈/a〉
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  • 7
    Publication Date: 2006-06-17
    Description: In developing embryos of some extant spiralian animals, polar lobe formation is one of the symmetry-breaking mechanisms for segregation of maternal cytoplasmic substances to certain blastomeres and not others. Polar lobe formation leads to unique early cleavage morphologies that include trilobed, J-shaped, and five-lobed structures. Fossil embryos similar to modern lobeforming embryos are recognized from the Precambrian Doushantuo Formation phosphates, Weng'an, Guizhou Province, China. These embryos are abundant and form a developmental sequence comparable to different developing stages observed in lobe-forming embryos of extant spiralians. These data imply that lobe formation is an evolutionarily ancient process of embryonic specification.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, Jun-Yuan -- Bottjer, David J -- Davidson, Eric H -- Dornbos, Stephen Q -- Gao, Xiang -- Yang, Yong-Hua -- Li, Chia-Wei -- Li, Gang -- Wang, Xiu-Qiang -- Xian, Ding-Chang -- Wu, Hung-Jen -- Hwu, Yeu-Kuang -- Tafforeau, Paul -- New York, N.Y. -- Science. 2006 Jun 16;312(5780):1644-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Nanjing Institute of Geology and Paleontology, Institute of Evo/Developmental Biology, and State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University, Nanjing 210093, China. chenjy@nju.edu.cn〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16778054" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Annelida/embryology ; Biological Evolution ; Blastomeres/cytology ; China ; Embryo, Nonmammalian/*anatomy & histology/cytology ; *Embryonic Development ; *Fossils ; Geologic Sediments ; Invertebrates/*embryology ; Mollusca/embryology ; Phosphates ; Platyhelminths/embryology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 8
    Publication Date: 2009-07-11
    Description: Historically, the majority of new drugs have been generated from natural products (secondary metabolites) and from compounds derived from natural products. During the past 15 years, pharmaceutical industry research into natural products has declined, in part because of an emphasis on high-throughput screening of synthetic libraries. Currently there is substantial decline in new drug approvals and impending loss of patent protection for important medicines. However, untapped biological resources, "smart screening" methods, robotic separation with structural analysis, metabolic engineering, and synthetic biology offer exciting technologies for new natural product drug discovery. Advances in rapid genetic sequencing, coupled with manipulation of biosynthetic pathways, may provide a vast resource for the future discovery of pharmaceutical agents.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Li, Jesse W-H -- Vederas, John C -- New York, N.Y. -- Science. 2009 Jul 10;325(5937):161-5. doi: 10.1126/science.1168243.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19589993" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bacteria/metabolism ; *Biological Products/chemistry/metabolism/pharmacology ; Biotechnology/methods ; Combinatorial Chemistry Techniques ; Drug Approval ; Drug Design ; *Drug Discovery/economics/methods/trends ; Drug Evaluation, Preclinical ; Drug Industry/economics/legislation & jurisprudence ; Molecular Structure ; Plants/chemistry ; *Technology, Pharmaceutical/methods/trends
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  • 9
    Publication Date: 2009-11-11
    Description: Highly reducing iterative polyketide synthases are large, multifunctional enzymes that make important metabolites in fungi, such as lovastatin, a cholesterol-lowering drug from Aspergillus terreus. We report efficient expression of the lovastatin nonaketide synthase (LovB) from an engineered strain of Saccharomyces cerevisiae, as well as complete reconstitution of its catalytic function in the presence and absence of cofactors (the reduced form of nicotinamide adenine dinucleotide phosphate and S-adenosylmethionine) and its partner enzyme, the enoyl reductase LovC. Our results demonstrate that LovB retains correct intermediates until completion of synthesis of dihydromonacolin L, but off-loads incorrectly processed compounds as pyrones or hydrolytic products. Experiments replacing LovC with analogous MlcG from compactin biosynthesis demonstrate a gate-keeping function for this partner enzyme. This study represents a key step in the understanding of the functions and structures of this family of enzymes.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2875069/" 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/PMC2875069/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ma, Suzanne M -- Li, Jesse W-H -- Choi, Jin W -- Zhou, Hui -- Lee, K K Michael -- Moorthie, Vijayalakshmi A -- Xie, Xinkai -- Kealey, James T -- Da Silva, Nancy A -- Vederas, John C -- Tang, Yi -- 1R01GM085128/GM/NIGMS NIH HHS/ -- 1R21GM077264/GM/NIGMS NIH HHS/ -- R01 GM085128/GM/NIGMS NIH HHS/ -- R01 GM085128-02/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2009 Oct 23;326(5952):589-92. doi: 10.1126/science.1175602.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, CA 90095, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19900898" target="_blank"〉PubMed〈/a〉
    Keywords: Aspergillus/enzymology/genetics/metabolism ; Biocatalysis ; Catalytic Domain ; Cloning, Molecular ; Fungal Proteins/metabolism ; Ketones/metabolism ; Lactones/metabolism ; Lovastatin/biosynthesis ; Malonyl Coenzyme A/metabolism ; Molecular Structure ; Multienzyme Complexes/metabolism ; NAD/metabolism ; Naphthalenes/*metabolism ; Polyketide Synthases/chemistry/genetics/isolation & purification/*metabolism ; Pyrones/metabolism ; Recombinant Proteins/chemistry/isolation & purification/metabolism ; S-Adenosylmethionine/metabolism ; Saccharomyces cerevisiae/enzymology/*genetics ; Substrate Specificity
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
    Publication Date: 2009-05-09
    Description: A long-standing problem in the field of space physics has been the origin of plasmaspheric hiss, a naturally occurring electromagnetic wave in the high-density plasmasphere (roughly within 20,000 kilometers of Earth) that is known to remove the high-energy Van Allen Belt electrons that pose a threat to satellites and astronauts. A recent theory tied the origin of plasmaspheric hiss to a seemingly different wave in the outer magnetosphere, but this theory was difficult to test because of a challenging set of observational requirements. Here we report on the experimental verification of the theory, made with a five-satellite NASA mission. This confirmation will allow modeling of plasmaspheric hiss and its effects on the high-energy radiation environment.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bortnik, J -- Li, W -- Thorne, R M -- Angelopoulos, V -- Cully, C -- Bonnell, J -- Le Contel, O -- Roux, A -- New York, N.Y. -- Science. 2009 May 8;324(5928):775-8. doi: 10.1126/science.1171273.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Atmospheric and Oceanic Sciences, University of California, Los Angeles, CA 90095, USA. jbortnik@gmail.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19423824" target="_blank"〉PubMed〈/a〉
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