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38 results

  1. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 04

    Regulation network of nicotine biosynthesis in tobacco: the non-coding players

    CHEN Xi(1,2); SUN S.(1,2); SHEN E.(1,2); WANG W.(1,2); LI F.(1); LIU F.(1,2); CHEN H.(1,2); YE C.(1,2); XIAO B.(3); FAN L.(1,2)
    (1) Institute of Crop Science, Zhejiang University, Hangzhou, P.R. China; (2) Institute of Bioinformatics, Zhejiang University, Hangzhou, P.R. China; (3) Yunnan Academy of Tobacco Agricultural Sciences and China Tobacco Breeding Research Center, Yunnan, Yuxi, P.R. China
    Several key gene encoding enzymes of nicotine biosynthesis and catabolism pathways have been characterized in tobacco. Non-coding RNAs (ncRNAs) are transcripts with no or low protein coding potential. ncRNAs include microRNAs (miRNAs) with a size of 20-24 ...
  2. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 48

    The NSm of tomato spotted wilt virus is an elicitor of RTSW-mediated virus resistance in tobacco and its ability in HR induction is dissociated of movement function

    HUANG Changjun; LIU Yong; YUAN Cheng; ZENG Jianmin; YU Haiqin; GAO Yulonng; XIAO Bingguang
    Yunnan Academy of Tobacco Agricultural Sciences of CNTC, Kunming City, Yunnan Province, P.R. China
    Tomato spotted wilt virus (TSWV, order Bunyavirales, family Tospoviridae and genus Orthotospovirus) is one of the most destructive viral pathogens of plants. Recently, a single dominant gene conferring complete resistance to TSWV (RTSW) was found in a ...
  3. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, APPOST 07

    Rotation and manure amendment increase soil macro-aggregates and associated carbon and nitrogen stocks in flue-cured tobacco production

    ZOU Congming; LI Yan; HUANG Wei; HU Xiaodong; ZHAO Gaokun; YANG Xuebiao; CAI Yonghao; JIN Yan
    Yunnan Academy of Tobacco Agricultural Sciences of CNTC, Kunming City, Yunnan Province, P.R. China
    Flue-cured tobacco production in China is typically over-fertilized and mono-cropped. To understand how this agronomic management affects soil structure and organic matter, this study investigated the effect of rotation, fertilizer rate and manure ...
  4. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, APPOST 08

    Study on absorption and transport of potassium (K) by foliar application in tobacco leaves

    DENG Xiaopeng; GAO Shudi; CHEN Yahua
    Yunnan Academy of Tobacco Agricultural Sciences of CNTC, Kunming City, Yunnan Province, P.R. China
    Effects of the foliar fertilizer on the uptake of potassium (K), as well as translocation and distribution among different position of tobacco leaf were studied under lack of K conditions. In order to study the suitable contents and the critical value of ...
  5. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, APPOST 10

    Determination of maleic hydrazide and its two glucosides in tobacco leaves using hydrophilic interaction liquid chromatography tandem mass spectrometry

    LI Yong; PANG Tao; SHI Junli; KONG Guanghui; LU Xiuping; JIN Yan
    Yunnan Academy of Tobacco Agricultural Sciences of CNTC, Kunming City, Yunnan Province, P.R. China
    A hydrophilic interaction liquid chromatography tandem mass spectrometry-based method for the simultaneous determination of maleic hydrazide (MH) and its two glucosides in tobacco leaves was developed. The method was based on the synthesis of MH-O-ß-D ...
  6. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 25

    Misperception of e-cigarette harm growing among American adults, 2013-2015

    VERRON T.(1); GUO M.(1); VARIGNON B.(1); O'CONNELL G.(2); WALELE T.(2); CAHOURS X.(1)
    (1) SEITA - Imperial Brands plc, Paris, France; (2) Fontem Ventures B.V., Amsterdam, The Netherlands
    Electronic cigarettes (e cigarettes) have been characterised as significantly less harmful than smoked tobacco by an increasing number of public health authorities. However, the proportion of American adults who perceive e cigarettes to be equally or more ...
  7. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, STPOST 52

    Biological test procedure for fresh generated cigarette smoke and e-cigarette aerosols under air-liquid interface (ALI) exposure in 24 and 96 multi-well plates

    WIECZOREK R.(1); TRELLES STICKEN E.(1); WALELE T.(2); CZEKALA L.(3); SIMMS L.(3)
    (1) Reemtsma Cigarettenfabriken GmbH, Imperial Brands plc, Hamburg, Germany; (2) Fontem Ventures, Amsterdam, The Netherlands; (3) Imperial Tobacco Limited, Bristol, U.K.
    Cigarette smoke and e cigarette aerosol contain particulate matter/liquid droplets in the solid phase as well as volatile substances in the gas phase. Both fractions are of potential toxicological relevance and should be considered when assessing ...
  8. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, STPOST 53

    Use of human derived cell lines to increase the biological relevance of cigarette condensate, non-tobacco materials and e-liquids testing

    WIECZOREK R.(1); TRELLES STICKEN E.(1); WALELE T.(2); CZEKALA L.(3); SIMMS L.(3)
    (1) Reemtsma Cigarettenfabriken GmbH, Imperial Brands plc, Hamburg, Germany; (2) Fontem Ventures, Amsterdam, The Netherlands; (3) Imperial Tobacco Limited, Bristol, U.K.
    The in vitro testing strategy of tobacco products is mainly based on the testing of extracts from cigarette smoke condensates. An accepted industry wide assay battery has been developed over recent years which delivers reliable results for the ...
  9. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, ST 62

    Overview of in vitro methods used to assess e-cigarettes based on “Toxicity Testing in 21st Century” principles

    SIMMS L.(1); STEVENSON M.(1); CZEKALA L.(1); TSCHIERSKE N.(1); WALELE T.(2)
    (1) Imperial Tobacco Ltd, Bristol, U.K.; (2) Fontem Ventures B.V. (an Imperial Brands PLC Company), Amsterdam, The Netherlands
    When the National Academies of Sciences released “Toxicity Testing in the 21st Century: A Vision and a Strategy” a new toxicological paradigm was created, focusing on the use of human cell lines and the disruption of key cellular pathways. In keeping with ...
  10. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, STPOST 08

    Indoor air quality and surface deposition assessment following use of an open system e-cigarette

    BAUER N.(1); TSCHIERSKE N.(1); O'CONNELL G.(2); CAHOURS X.(3)
    (1) Reemtsma Cigarettenfabriken GmbH (an Imperial Brands PLC Company), Hamburg, Germany; (2) Fontem Ventures B.V. (an Imperial Brands PLC Company), Amsterdam, The Netherlands; (3) SEITA-Imperial Tobacco Limited, Fleury-les-Aubrais, France
    Electronic cigarette (e-cigarette) nicotine delivery devices are growing in popularity worldwide. Both regulators and public health organisations are beginning to examine potential implications that exposure to exhaled e-cigarette aerosol may have on non ...