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Comparative genomics of the eukaryotes (2000)

G. M. Rubin ; M. D. Yandell ; J. R. Wortman ; [et al.]

American Association for the Advancement of Science (AAAS)

In: Science. 287(5461): 2204-15.

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Publication Date: 2000-03-24

Description: A comparative analysis of the genomes of Drosophila melanogaster, Caenorhabditis elegans, and Saccharomyces cerevisiae-and the proteins they are predicted to encode-was undertaken in the context of cellular, developmental, and evolutionary processes. The nonredundant protein sets of flies and worms are similar in size and are only twice that of yeast, but different gene families are expanded in each genome, and the multidomain proteins and signaling pathways of the fly and worm are far more complex than those of yeast. The fly has orthologs to 177 of the 289 human disease genes examined and provides the foundation for rapid analysis of some of the basic processes involved in human disease.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2754258/" 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/PMC2754258/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rubin, G M -- Yandell, M D -- Wortman, J R -- Gabor Miklos, G L -- Nelson, C R -- Hariharan, I K -- Fortini, M E -- Li, P W -- Apweiler, R -- Fleischmann, W -- Cherry, J M -- Henikoff, S -- Skupski, M P -- Misra, S -- Ashburner, M -- Birney, E -- Boguski, M S -- Brody, T -- Brokstein, P -- Celniker, S E -- Chervitz, S A -- Coates, D -- Cravchik, A -- Gabrielian, A -- Galle, R F -- Gelbart, W M -- George, R A -- Goldstein, L S -- Gong, F -- Guan, P -- Harris, N L -- Hay, B A -- Hoskins, R A -- Li, J -- Li, Z -- Hynes, R O -- Jones, S J -- Kuehl, P M -- Lemaitre, B -- Littleton, J T -- Morrison, D K -- Mungall, C -- O'Farrell, P H -- Pickeral, O K -- Shue, C -- Vosshall, L B -- Zhang, J -- Zhao, Q -- Zheng, X H -- Lewis, S -- P4IHG00739/HG/NHGRI NIH HHS/ -- P50HG00750/HG/NHGRI NIH HHS/ -- R01 GM037193/GM/NIGMS NIH HHS/ -- R01 GM037193-14/GM/NIGMS NIH HHS/ -- R01 GM037193-15/GM/NIGMS NIH HHS/ -- R01 GM060988/GM/NIGMS NIH HHS/ -- R01 GM060988-01/GM/NIGMS NIH HHS/ -- R01 NS040296/NS/NINDS NIH HHS/ -- R01 NS040296-01/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2000 Mar 24;287(5461):2204-15.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Molecular and Cell Biology, Berkeley Drosophila Genome Project, University of California, Berkeley, CA 94720, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10731134" target="_blank"〉PubMed〈/a〉

Keywords: Animals ; Apoptosis/genetics ; Biological Evolution ; Caenorhabditis elegans/chemistry/*genetics/physiology ; Cell Adhesion/genetics ; Cell Cycle/genetics ; Drosophila melanogaster/chemistry/*genetics/physiology ; Fungal Proteins/chemistry/genetics ; Genes, Duplicate ; Genetic Diseases, Inborn/genetics ; Genetics, Medical ; *Genome ; Helminth Proteins/chemistry/genetics ; Humans ; Immunity/genetics ; Insect Proteins/chemistry/genetics ; Multigene Family ; Neoplasms/genetics ; Protein Structure, Tertiary ; *Proteome ; Saccharomyces cerevisiae/chemistry/*genetics/physiology ; Signal Transduction/genetics

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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Three-dimensional structural view of the central metabolic network of Thermotoga maritima (2009)

Y. Zhang ; I. Thiele ; D. Weekes ; [et al.]

American Association for the Advancement of Science (AAAS)

In: Science. 325(5947): 1544-9. doi: 10.1126/science.1174671.

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Publication Date: 2009-09-19

Description: Metabolic pathways have traditionally been described in terms of biochemical reactions and metabolites. With the use of structural genomics and systems biology, we generated a three-dimensional reconstruction of the central metabolic network of the bacterium Thermotoga maritima. The network encompassed 478 proteins, of which 120 were determined by experiment and 358 were modeled. Structural analysis revealed that proteins forming the network are dominated by a small number (only 182) of basic shapes (folds) performing diverse but mostly related functions. Most of these folds are already present in the essential core (approximately 30%) of the network, and its expansion by nonessential proteins is achieved with relatively few additional folds. Thus, integration of structural data with networks analysis generates insight into the function, mechanism, and evolution of biological networks.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2833182/" 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/PMC2833182/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, Ying -- Thiele, Ines -- Weekes, Dana -- Li, Zhanwen -- Jaroszewski, Lukasz -- Ginalski, Krzysztof -- Deacon, Ashley M -- Wooley, John -- Lesley, Scott A -- Wilson, Ian A -- Palsson, Bernhard -- Osterman, Andrei -- Godzik, Adam -- P20 GM076221/GM/NIGMS NIH HHS/ -- P20 GM076221-03/GM/NIGMS NIH HHS/ -- U54 GM074898/GM/NIGMS NIH HHS/ -- U54 GM074898-05/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2009 Sep 18;325(5947):1544-9. doi: 10.1126/science.1174671.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Joint Center for Molecular Modeling (JCMM), Burnham Institute for Medical Research, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19762644" target="_blank"〉PubMed〈/a〉

Keywords: Bacterial Proteins/*chemistry/*metabolism ; Computational Biology ; Computer Simulation ; Enzymes/*chemistry/*metabolism ; Evolution, Molecular ; Genes, Bacterial ; Genome, Bacterial ; *Metabolic Networks and Pathways ; Models, Biological ; Models, Molecular ; Protein Conformation ; Protein Folding ; Protein Structure, Tertiary ; Systems Biology ; Thermotoga maritima/chemistry/genetics/*metabolism

Print ISSN: 0036-8075

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Cryo-electron microscopy structure of the Slo2.2 Na(+)-activated K(+) channel (2015)

R. K. Hite ; P. Yuan ; Z. Li ; [et al.]

Nature Publishing Group (NPG)

In: Nature. 527(7577): 198-203. doi: 10.1038/nature14958.

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Publication Date: 2015-10-06

Description: Na(+)-activated K(+) channels are members of the Slo family of large conductance K(+) channels that are widely expressed in the brain, where their opening regulates neuronal excitability. These channels fulfil a number of biological roles and have intriguing biophysical properties, including conductance levels that are ten times those of most other K(+) channels and gating sensitivity to intracellular Na(+). Here we present the structure of a complete Na(+)-activated K(+) channel, chicken Slo2.2, in the Na(+)-free state, determined by cryo-electron microscopy at a nominal resolution of 4.5 angstroms. The channel is composed of a large cytoplasmic gating ring, in which resides the Na(+)-binding site and a transmembrane domain that closely resembles voltage-gated K(+) channels. In the structure, the cytoplasmic domain adopts a closed conformation and the ion conduction pore is also closed. The structure reveals features that can explain the unusually high conductance of Slo channels and how contraction of the cytoplasmic gating ring closes the pore.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hite, Richard K -- Yuan, Peng -- Li, Zongli -- Hsuing, Yichun -- Walz, Thomas -- MacKinnon, Roderick -- GM43949/GM/NIGMS NIH HHS/ -- R01 GM043949/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2015 Nov 12;527(7577):198-203. doi: 10.1038/nature14958. Epub 2015 Oct 5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Rockefeller University and Howard Hughes Medical Institute, 1230 York Avenue, New York, New York 10065, USA. ; Department of Cell Biology and Howard Hughes Medical Institute, Harvard Medical School, 240 Longwood Avenue, Boston, Massachusetts 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26436452" target="_blank"〉PubMed〈/a〉

Keywords: Animals ; Binding Sites ; *Chickens ; *Cryoelectron Microscopy ; Cytoplasm/metabolism ; Electric Conductivity ; Ion Channel Gating ; Ion Transport ; Models, Molecular ; Potassium Channels/chemistry/metabolism/*ultrastructure ; Protein Structure, Tertiary ; Sodium/metabolism ; Structure-Activity Relationship

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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Membrane proteins of the endoplasmic reticulum induce high-curvature tubules (2008)

J. Hu ; Y. Shibata ; C. Voss ; [et al.]

American Association for the Advancement of Science (AAAS)

In: Science. 319(5867): 1247-50. doi: 10.1126/science.1153634.

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Publication Date: 2008-03-01

Description: The tubular structure of the endoplasmic reticulum (ER) appears to be generated by integral membrane proteins, the reticulons and a protein family consisting of DP1 in mammals and Yop1p in yeast. Here, individual members of these families were found to be sufficient to generate membrane tubules. When we purified yeast Yop1p and incorporated it into proteoliposomes, narrow tubules (approximately 15 to 17 nanometers in diameter) were generated. Tubule formation occurred with different lipids; required essentially only the central portion of the protein, including its two long hydrophobic segments; and was prevented by mutations that affected tubule formation in vivo. Tubules were also formed by reconstituted purified yeast Rtn1p. Tubules made in vitro were narrower than normal ER tubules, due to a higher concentration of tubule-inducing proteins. The shape and oligomerization of the "morphogenic" proteins could explain the formation of the tubular ER.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hu, Junjie -- Shibata, Yoko -- Voss, Christiane -- Shemesh, Tom -- Li, Zongli -- Coughlin, Margaret -- Kozlov, Michael M -- Rapoport, Tom A -- Prinz, William A -- Howard Hughes Medical Institute/ -- Intramural NIH HHS/ -- New York, N.Y. -- Science. 2008 Feb 29;319(5867):1247-50. doi: 10.1126/science.1153634.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute and Department of Cell Biology, Harvard Medical School, 240 Longwood Avenue, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18309084" target="_blank"〉PubMed〈/a〉

Keywords: Amino Acid Sequence ; Animals ; Biopolymers/chemistry/metabolism ; COS Cells ; Cercopithecus aethiops ; Endoplasmic Reticulum/*chemistry/metabolism/*ultrastructure ; Hydrophobic and Hydrophilic Interactions ; Intracellular Membranes/chemistry/ultrastructure ; Lipid Bilayers ; Membrane Lipids/chemistry ; Membrane Proteins/*chemistry/*metabolism ; Membrane Transport Proteins/*chemistry/*metabolism ; Microscopy, Electron ; Models, Biological ; Molecular Sequence Data ; Mutant Proteins/chemistry/metabolism ; Protein Structure, Quaternary ; Protein Structure, Tertiary ; Proteolipids/chemistry ; Saccharomyces cerevisiae Proteins/*chemistry/genetics/*metabolism

Print ISSN: 0036-8075

Electronic ISSN: 1095-9203

Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics

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Structure of the voltage-gated calcium channel Cav1.1 complex (2015)

J. Wu ; Z. Yan ; Z. Li ; [et al.]

American Association for the Advancement of Science (AAAS)

In: Science. 350(6267): aad2395. doi: 10.1126/science.aad2395.

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Publication Date: 2015-12-19

Description: The voltage-gated calcium channel Ca(v)1.1 is engaged in the excitation-contraction coupling of skeletal muscles. The Ca(v)1.1 complex consists of the pore-forming subunit alpha1 and auxiliary subunits alpha2delta, beta, and gamma. We report the structure of the rabbit Ca(v)1.1 complex determined by single-particle cryo-electron microscopy. The four homologous repeats of the alpha1 subunit are arranged clockwise in the extracellular view. The gamma subunit, whose structure resembles claudins, interacts with the voltage-sensing domain of repeat IV (VSD(IV)), whereas the cytosolic beta subunit is located adjacent to VSD(II) of alpha1. The alpha2 subunit interacts with the extracellular loops of repeats I to III through its VWA and Cache1 domains. The structure reveals the architecture of a prototypical eukaryotic Ca(v) channel and provides a framework for understanding the function and disease mechanisms of Ca(v) and Na(v) channels.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wu, Jianping -- Yan, Zhen -- Li, Zhangqiang -- Yan, Chuangye -- Lu, Shan -- Dong, Mengqiu -- Yan, Nieng -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2015 Dec 18;350(6267):aad2395. doi: 10.1126/science.aad2395.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉State Key Laboratory of Membrane Biology, Tsinghua University, Beijing 100084, China. Tsinghua-Peking Joint Center for Life Sciences, Tsinghua University, Beijing 100084, China. Center for Structural Biology, School of Life Sciences and School of Medicine, Tsinghua University, Beijing 100084, China. ; National Institute of Biological Sciences, Beijing 102206, China. ; State Key Laboratory of Membrane Biology, Tsinghua University, Beijing 100084, China. Tsinghua-Peking Joint Center for Life Sciences, Tsinghua University, Beijing 100084, China. Center for Structural Biology, School of Life Sciences and School of Medicine, Tsinghua University, Beijing 100084, China. nyan@tsinghua.edu.cn.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26680202" target="_blank"〉PubMed〈/a〉

Keywords: Amino Acid Sequence ; Animals ; Calcium Channels, L-Type/*chemistry/genetics/isolation & purification ; Cell Membrane/chemistry ; Cryoelectron Microscopy ; Molecular Sequence Data ; Muscle, Skeletal/chemistry ; Protein Multimerization ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Protein Subunits/isolation & purification ; Rabbits

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Structure of the rabbit ryanodine receptor RyR1 at near-atomic resolution (2014)

Z. Yan ; X. C. Bai ; C. Yan ; [et al.]

Nature Publishing Group (NPG)

In: Nature. 517(7532): 50-5. doi: 10.1038/nature14063.

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Publication Date: 2014-12-18

Description: The ryanodine receptors (RyRs) are high-conductance intracellular Ca(2+) channels that play a pivotal role in the excitation-contraction coupling of skeletal and cardiac muscles. RyRs are the largest known ion channels, with a homotetrameric organization and approximately 5,000 residues in each protomer. Here we report the structure of the rabbit RyR1 in complex with its modulator FKBP12 at an overall resolution of 3.8 A, determined by single-particle electron cryomicroscopy. Three previously uncharacterized domains, named central, handle and helical domains, display the armadillo repeat fold. These domains, together with the amino-terminal domain, constitute a network of superhelical scaffold for binding and propagation of conformational changes. The channel domain exhibits the voltage-gated ion channel superfamily fold with distinct features. A negative-charge-enriched hairpin loop connecting S5 and the pore helix is positioned above the entrance to the selectivity-filter vestibule. The four elongated S6 segments form a right-handed helical bundle that closes the pore at the cytoplasmic border of the membrane. Allosteric regulation of the pore by the cytoplasmic domains is mediated through extensive interactions between the central domains and the channel domain. These structural features explain high ion conductance by RyRs and the long-range allosteric regulation of channel activities.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4338550/" 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/PMC4338550/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yan, Zhen -- Bai, Xiao-chen -- Yan, Chuangye -- Wu, Jianping -- Li, Zhangqiang -- Xie, Tian -- Peng, Wei -- Yin, Chang-cheng -- Li, Xueming -- Scheres, Sjors H W -- Shi, Yigong -- Yan, Nieng -- MC_UP_A025_1013/Medical Research Council/United Kingdom -- England -- Nature. 2015 Jan 1;517(7532):50-5. doi: 10.1038/nature14063. Epub 2014 Dec 15.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] State Key Laboratory of Bio-membrane and Membrane Biotechnology, School of Life Sciences and School of Medicine, Tsinghua University, Beijing 100084, China [2] Ministry of Education Key Laboratory of Protein Science, School of Life Sciences and School of Medicine, Tsinghua University, Beijing 100084, China [3] Center for Structural Biology, Tsinghua-Peking Joint Center for Life Sciences, School of Life Sciences and School of Medicine, Tsinghua University, Beijing 100084, China. ; MRC Laboratory of Molecular Biology, Cambridge Biomedical Campus, Cambridge CB2 0QH, UK. ; 1] Ministry of Education Key Laboratory of Protein Science, School of Life Sciences and School of Medicine, Tsinghua University, Beijing 100084, China [2] Center for Structural Biology, Tsinghua-Peking Joint Center for Life Sciences, School of Life Sciences and School of Medicine, Tsinghua University, Beijing 100084, China. ; 1] State Key Laboratory of Bio-membrane and Membrane Biotechnology, School of Life Sciences and School of Medicine, Tsinghua University, Beijing 100084, China [2] Center for Structural Biology, Tsinghua-Peking Joint Center for Life Sciences, School of Life Sciences and School of Medicine, Tsinghua University, Beijing 100084, China. ; Department of Biophysics, the Health Science Center &Center for Protein Science, Peking University, Beijing 100191, China. ; Center for Structural Biology, Tsinghua-Peking Joint Center for Life Sciences, School of Life Sciences and School of Medicine, Tsinghua University, Beijing 100084, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25517095" target="_blank"〉PubMed〈/a〉

Keywords: Algorithms ; Allosteric Regulation ; Animals ; Cryoelectron Microscopy ; Ion Channel Gating ; Models, Molecular ; Molecular Weight ; Protein Multimerization ; Protein Structure, Tertiary ; Rabbits ; Ryanodine Receptor Calcium Release Channel/*chemistry/metabolism/*ultrastructure ; Sarcoplasmic Reticulum/chemistry ; Tacrolimus Binding Protein 1A/chemistry/metabolism/ultrastructure ; Zinc Fingers

Print ISSN: 0028-0836

Electronic ISSN: 1476-4687

Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics

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New seismic constraints on the shallow structure of the Hainan plume (2009)

Lei, J. ; Zhao, D. ; Steinberger, B. ; [et al.]

In: Physics of the Earth and Planetary Interiors

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Publication Date: 2020-02-12

Description: We present a high-resolution tomographic image in the upper mantle for the Hainan plume determined by using both local and teleseismic data. The arrival-time data from teleseismic events are measured precisely from seismograms recorded by nine permanent seismic stations in Hainan island and Leizhou peninsula. Our results show that striking low-velocity (low-V) anomalies of up to −5% in the crust and −2% in the mantle are visible under the Hainan hotspot from the surface down to 250 km depth. The Hainan plume is imaged as a continuous, NW–SE tilting, low-V column with a diameter of about 80 km. Given the denser data coverage and finer parameterization, our result represents a significant improvement with respect to earlier, regional and global tomographic studies. Such an inclination of the Hainan plume can be explained by numerical simulations. The tilted plume conduit in the upper mantle could be associated with the subduction of oceanic plates, especially the Philippine Sea plate, and the extrusion of the Eurasian plate. Most likely, the tilted plume conduit has buoyantly risen from the lower mantle.

Keywords: 550 - Earth sciences

Type: info:eu-repo/semantics/article

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The Convective Storm Initiation Project (2007)

Browning, K. ; Blyth, A. ; Clark, P. ; [et al.]

In: Bulletin of the American Meteorological Society

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Publication Date: 2020-02-12

Description: The Convective Storm Initiation Project (CSIP) is an international project to understand precisely where, when, and how convective clouds form and develop into showers in the mainly maritime environment of southern England. A major aim of CSIP is to compare the results of the very high resolution Met Office weather forecasting model with detailed observations of the early stages of convective clouds and to use the newly gained understanding to improve the predictions of the model. A large array of ground-based instruments plus two instrumented aircraft, from the U.K. National Centre for Atmospheric Science (NCAS) and the German Institute for Meteorology and Climate Research (IMK), Karlsruhe, were deployed in southern England, over an area centered on the meteorological radars at Chilbolton, during the summers of 2004 and 2005. In addition to a variety of ground-based remote-sensing instruments, numerous rawin-sondes were released at one- to two-hourly intervals from six closely spaced sites. The Met Office weather radar network and Meteosat satellite imagery were used to provide context for the observations made by the instruments deployed during CSIP. This article presents an overview of the CSIP field campaign and examples from CSIP of the types of convective initiation phenomena that are typical in the United Kingdom. It shows the way in which certain kinds of observational data are able to reveal these phenomena and gives an explanation of how the analyses of data from the field campaign will be used in the development of an improved very high resolution NWP model for operational use.

Keywords: 550 - Earth sciences

Type: info:eu-repo/semantics/article

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