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Quantitation Over Time of Tomato Yellow Leaf Curl Geminivirus DNA in Its Whitefly Vector

Quantitation Over Time of Tomato Yellow Leaf Curl Geminivirus DNA in Its Whitefly Vector,10.1094/PHYTO.1997.87.6.610,Phytopathology,P. Caciagli,D. Bos

Quantitation Over Time of Tomato Yellow Leaf Curl Geminivirus DNA in Its Whitefly Vector   (Citations: 21)
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Journal: Phytopathology , vol. 87, no. 6, pp. 610-613, 1997
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    • ...This insect is a phloem-feeding whitefly able to ingest but not transmit begomoviruses (5, 16, 63)...
    • ...For each virus mutant, the mean amount of viral DNA in positive insects and the number of insects tested are shown in Fig. 1B. In B. tabaci, the retention kinetics of wt virus DNA was comparable to previous results (16) and both PNHD and PNHE mutants were retained for at least 10 days after the end of the AAP, like the wt virus...

    Piero Caciagliet al. Virion Stability Is Important for the Circulative Transmission of Toma...

    • ...In previous studies, the nonvector greenhouse whitefly was found to ingest TYLCSV and TYLCV-IL from infected plants, but the insects were unable to transmit the virus (Caciagli and Bosco 1997; Czosnek et al. 2002)...
    • ...The accumulation levels of TYLCSV ingested by the nonvector greenhouse whitefly were measured in a dot-blot analysis of pooled insect samples (*30 individuals); accumulation of the virus was greater in the nonvector insect than in the vector insect when both species were given a short acquisition access feeding on the infected plants (Caciagli and Bosco 1997)...
    • ...T. vaporariorum has been examined in previous studies on the basis of a densitometric analysis using membranes blotted with infected whitefly DNA followed by probe using a specific viral DNA probe (Caciagli and Bosco 1997; Czosnek et al. 2002; Zeidan and Czosnek 1991)...
    • ...The maximum amount of virus DNA in B. tabaci whiteflies fed for different periods of time (i.e., different AAPs) in previous studies (Caciagli and Bosco 1997; Czosnek et al. 2002; Zeidan and Czosnek 1991) was similar to that in our results, but in these studies the virus levels peaked faster than in ours...
    • ...However, even though the experimental conditions and materials were different from those in previous studies, the higher accumulation levels of TYLCV-Mld[Kis] in T. vaporariorum than in B. tabaci were consistent with the previous result which analyzed TYLCSV accumulation in T. vaporariorum (Caciagli and Bosco 1997)...

    Jun Ohnishiet al. A selective barrier in the midgut epithelial cell membrane of the nonv...

    • ...are frequently used for rearing Trialeurodes vaporariorum (Caciagli & Bosco 1997)...

    Taisya D. Chermenskayaet al. Laboratory and field evaluation of biological active substances of pla...

    • ...While the acquisition and transmission of TYLCV by B. tabaci (also denominated Bemisia argentifolii) have been studied in some detail (Cohen and Nitzany, 1966; Zeidan and Czosnek, 1991; Mehta et al., 1994; Caciagli et al., 1995; Caciagli and Bosco, 1997; Rubinstein and Czosnek, 1997), the interactions between this geminivirus (as well as others) and its insect vector are still poorly understood...

    Murad Ghanimet al. Evidence for Transovarial Transmission of Tomato Yellow Leaf Curl Viru...

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