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174篇 您的检索式:作者名="Colvin V"
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1Bemisia tabaci Phylogenetic Groups in India and the Relative Transmission Efficacy of Tomato leaf curl Bangalore virus by an Indigenous and an Exotic Population显示文摘Bemisia tabaci adults from various host-plant species were collected from 31 regions across India.266 B.tabaci samples were first screened by RAPD-PCR to examine molecular variability and to select individuals with different fingerprints.Host-plant and region of collection were then used to select 25 individuals for PCR amplification and sequencing of their partial mitochondrial cytochrome oxidase subunit one(mtCOI)genes.Pairwise comparisons with mtCOI consensus sequences showed that the majority of these samples had <3.5% sequence divergence from groups currently termed Asia I,Asia II-5,Asia II-7,and Asia II-8.The biotype-B B.tabaci from India clustered into the Middle East-Asia Minor 1 group.A new group of B.tabaci from Coimbatore,collected from pumpkin,was related most closely to the Asia I group(6.2% sequence divergence from the consensus Asia I sequence).To increase our understanding of the epidemiology of tomato leaf curl disease(ToLCD)and the key B.tabaci genetic groups involved in virus spread,the indigenous Asia I and the exotic biotype-B population from South India were used to carry out transmission experiments using Tomato leaf curl Bangalore virus(ToLCBV).The acquisition access periods(AAP),inoculation access periods(IAP),latent periods(LP),and ToLCBV transmission efficiencies of the two populations were compared and the biotype-B had the more efficient transmission characteristics.These results are discussed in relation to recent changes in the epidemiology of tomato leaf curl disease in South India.R V Chowda-Reddy M Kirankumar Susan E Seal V Muniyappa Girish B Valand M R Govindappa John Colvin 2012Journal of Integrative Agriculture2012,11,2:8
2Next Generation Transcriptome Sequencing and Quantitative Real-Time PCR Technologies for Characterisation of the Bemisia tabaci Asia 1 mtCOI Phylogenetic Clade显示文摘A programme of functional genomics research is underway at the University of Greenwich,UK,to develop and apply genomics technologies to characterise an economically-important but under-researched Bemisia tabaci(Hemiptera:Aleyrodidae),the Asia 1 mtCOI phylogenetic group.A comparison of this putative species from India with other important B.tabaci populations and insect species may provide targets for the development of more effective whitefly control strategies.As a first step,next-generation sequencing(NGS)has been used to survey the transcriptome of adult female whitefly,with high quality RNA preparations being used to generate cDNA libraries for NGS using the Roche 454 Titanium DNA sequencing platform.Contig assemblies constructed from the resultant sequences(301 094 reads)using the software program CLC Genomics Workbench generated 3 821 core contigs.Comparison of a selection of these contigs with related sequences from other B.tabaci genetic groups has revealed good alignment for some genes(e.g.,HSP90)but misassemblies in other datasets(e.g.,the vitellogenin gene family),highlighting the need for manual curation as well as collaborative international efforts to obtain accurate assemblies from the existing next generation sequence datasets.Nevertheless,data emerging from the NGS has facilitated the development of accurate and reliable methods for analysing gene expression based on quantitative real-time RT-PCR,illustrating the power of this approach to enable rapid expression analyses in an organism for which a complete genome sequence is currently lacking.Susan Seal Mitulkumar V Patel Carl Collins John Colvin David Bailey 2012Journal of Integrative Agriculture2012,11,2:2
3The potencial environmental impact of engineered nanomaterials 显示文摘COLVIN V L 2003Nat Biotechno12003,21,:1
4Cytotoxicity of nanoparticles 显示文摘LEWINSKI N COLVIN V DREZEK R 2008Small2008,4,1:1
5Light-emitting diodes made from cadmium selenide nanocrystals and asemiconducting polymer显示文摘COLVIN V L SCHLAMP M C ALIVISATOS A P 1994Nature1994,370,:1
6Cytotoxicity of nanop- articles 显示文摘Lewinski N Colvin V Drezek R 2008Small2008,4,1:1
7A lost-wax approach to monodisperse colloids and their crystals显示文摘JIANG P BERTONE J F COLVIN V L 2001Science2001,291,19:1
8Black death,a disease syendrome of penaeid shrimp related to a dietary deficiency of ascorbic acid显示文摘LIGHTNER D V COLVIN L B BRAND C 1977Proceedings of the Annual Meeting:World Mariculture Society1977,8,1234:1
9Light-emitting diodes made from cadmium selenide nanocrystals and a semiconducting polymer显示文摘Colvin V L Schlamp M C Allvlsatos A P 1994Nature1994,370,:1
10Light-emitting Diodes Made from Cadmium Selenide Nanocrystals and a Semiconducting Polymer 显示文摘 Schlamp M C Alivisatos A P 1994Nature1994,370,6488:1
11Cytotoxieity of Nanoparticles显示文摘Lewinski N Colvin V 2008Small2008,4,1:1
12显示文摘Colvin V L Schlamp M C Alivisatos A P 1994Nature1994,370,:1
13Cytotoxicity of nanoparticles显示文摘Lewinski N Colvin V Drezek R 2008Small2008,4,1:1
14Light-emitting diodes made from cadimium selenide nanocrystals and a semicondueting polymer显示文摘COLVIN V L SCHLAMP M C ALIVISATOS A P 1994Nature1994,,370:1
15X-ray photoelectron spectroscopy of CdSe nanocrystals with applications to studies of the nanocrystal surface显示文摘 Colvin V Alivisatos A P 1994Phys Chem1994,98,:1
16Light-emitting DiodesMade from Cadmium Selenide Nanocrystals and a SemiconductingPolymer显示文摘Colvin V L Schlamp M C Alivisatos A P 1994Nature1994,370,6488:1
17Light-emitting diodes made from cadmium selenide nanocrystals and a semiconducting polymer 显示文摘COLVIN V SCHLAMP M ALMSATOS A 1994Nature1994,370,:1
18Antioxidant prop- erties of cerium oxide nanocrystals as a function of nanocrystal diameter and surface coating显示文摘Lee S S Song W S Cho M Puppala H L Nguyen P Zhu H G Segatori L Colvin V L 2013ACS Nano2013,7,:1
19Cellular and tran-scriptional response of Pseudomonas stutzeri to quantumdots under aerobic and denitrifying conditions 显示文摘Yang Y Zhu H Colvin V L al 2011Envi-ron Sci Technol2011,45,11:1
20Cytotoxicity of nanoparticles显示文摘Lewinski N Colvin V Drezek R 0,,1:1
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