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Assessment of the Bemisia tabaci C YP6CM l vQ transcript and protein levels in laboratory and field-derived imidacloprid-resistant insects and cross-metabolism potential of the recombinant enzyme

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Insect Science 2011年第1期18卷 23-29页

作者： Emmanouil Roditakis Evangelia Morou Anastasia Tsagkarakou Maria Riga Ralf Nauen mark paine Shai Morin John Vontas Laboratory of Entomology and Agricultural Zoology Plant Protection Institute of Heraklion National Agricultural Research Foundation Heraklion (N.AG.RE.F.) Heraklio Greece Faculty of Applied Biology and Biotechnology Department of Biology University of Crete Heraklion Greece Vector Group Liverpool School of Tropical Medicine Liverpool UK Bayer CropScience AG Research Insecticides Insect Toxicology and Resistance Monheim Germany Department of Entomology Faculty of Agricultural Food and Environmental Quality Sciences Hebrew University of Jerusalem Rehovot Israel

Over-expression of the cytochrome P450 CYP6CM1 gene has been associated with imidacloprid resistance in a number of Q and B biotype Bemisia tabaci laboratory strains from distinct geographical origins worldwide. We recently demonstrated that the Q biotype version of the CYP6CM 1 protein （CYP6CMlvQ） is capable of metabolizing imida- cloprid. Here, we show that the levels of BtCYP6CMlvQ were also elevated in laboratory- resistant strains and field-derived populations, with variable imidacloprid resistance levels, collected in Crete. High levels of CYP6CMlvQ transcripts were also determined in survivors of a heterogeneous field population, after exposure to discriminating imidacloprid dosage. Using peptide antibody-based detection assays, we demonstrated that in line with transcriptional data, the CYP6CMlvQ protein levels were higher in imidacloprid-resistant insects, which further implicates the gene as the causal factor of resistance. Finally, assess- ment of the cross-metabolism potential of CYP6CMlvQ against additional neonicotinoid molecules used for B. tabaci control revealed that clothianidin and thiacloprid, but not acetamiprid or thiamethoxam, are metabolized by the recombinant enzyme in vitro.

关键词： detoxification neonicotinoids peptide antibodies P450

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A history of high-power laser research and development in the United Kingdom

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High Power Laser Science and Engineering 2021年第2期9卷 41-126页

作者： Colin N.Danson Malcolm White John R.M.Barr Thomas Bett Peter Blyth David Bowley Ceri Brenner Robert J.Collins Neal Croxford A.E.Bucker Dangor Laurence Devereux Peter E.Dyer Anthony Dymoke-Bradshaw Christopher B.Edwards Paul Ewart Allister I.Ferguson John M.Girkin Denis R.Hall David C.Hanna Wayne Harris David I.Hillier Christopher J.Hooker Simon M.Hooker Nicholas Hopps Janet Hull David Hunt Dino A.Jaroszynski mark Kempenaars Helmut Kessler Sir Peter L.Knight Steve Knight Adrian Knowles Ciaran L.S.Lewis Ken S.Lipton Abby Littlechild John Littlechild Peter Maggs Graeme P.A.Malcolm OBE Stuart P.D.Mangles William Martin Paul McKenna Richard O.Moore Clive Morrison Zulfikar Najmudin David Neely Geoff H.C.New Michael J.Norman Ted paine Anthony W.Parker Rory R.Penman Geoff J.Pert Chris Pietraszewski Andrew Randewich Nadeem H.Rizvi Nigel Seddon MBE Zheng-Ming Sheng David Slater Roland A.Smith Christopher Spindloe Roy Taylor Gary Thomas John W.G.Tisch Justin S.Wark Colin Webb S.mark Wiggins Dave Willford Trevor Winstone AWE Aldermaston ReadingUK Oxford Centre for High Energy Density Science Department of PhysicsClarendon LaboratoryUniversity of OxfordOxfordUK Centre for Intertial Fusion Studies Blackett LaboratoryImperial College LondonLondonUK Formerly of Electrox LetchworthUK Formerly of Central Laser Facility Rutherford LaboratoryDidcotUK Formerly of Ferranti Defence Systems LincolnUK Leonardo EdinburghUK Retired AWEReadingUK Formerly of AWE ReadingUK Formerly of Laser Lines Ltd BanburyUK Formerly of Optilas Ltd Milton KeynesUK Retired Pro-Lite TechnologyCranfieldUK Specialised Imaging Ltd PitstoneUK Central Laser Facility STFC Rutherford Appleton LaboratoryDidcotUK Magna-Power Electronics Ltd ReadingUK DeBe Lasers Needham Laser TechnologiesWhitchurchUK Blackett Laboratory Imperial College LondonLondonUK SPIE Europe CardiffUK Professor Emeritus(Physics) University of HullKingston upon HullUK Kentech Instruments Ltd WallingfordUK Department of Physics Clarendon LaboratoryUniversity of OxfordOxfordUK Professor Emeritus Department of PhysicsUniversity of StrathclydeGlasgowUK Department of Physics Durham UniversityDurhamUK Professor Emeritus(Photonics) Heriot-Watt UniversityEdinburghUK Professor Emeritus University of SouthamptonSouthamptonUK Optical Surfaces Ltd KenleyUK JEH Lasers Ltd RugbyUK Scottish Universities Physics Alliance Department of PhysicsUniversity of StrathclydeGlasgowUK ITER Organization Saint-Paul-lez-DuranceFrance Manx Precision Optics Ltd BallasallaUK Laser Lines Ltd BanburyUK Elliot Scientific Ltd MetroTest Scientific GroupHarpendenUK Centre for Plasma Physics Queen’s University BelfastBelfastUK Retired Founderand former MDRofin-Sinar UK LtdHullUK Heraeus Noblelight Ltd CambridgeUK Mirli Books ChelmsfordUK M Squared Lasers Ltd GlasgowUK University of Hertfordshire HatfieldUK E&EO UK Ltd Barton-upon-HumberUK Department of Physics University of YorkYorkUK IC Optical Systems Ltd BeckenhamUK Laser Micromachining Ltd St AsaphUK MBDA UK Ltd Brist

The first demonstration of laser action in ruby was made in 1960 by *** of Hughes Research Laboratories,*** laboratories worldwide began the search for lasers using different materials,operating at different *** the UK,academia,industry and the central laboratories took up the challenge from the earliest days to develop these systems for a broad range of *** historical review looks at the contribution the UK has made to the advancement of the technology,the development of systems and components and their exploitation over the last 60 years.

关键词： high-power lasers history United Kingdom

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