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To facilitate quantification of gene expression changes in virus-infected tobacco plants, eight housekeeping genes were evaluated for their stability of expression during infection by one of three systemically-infecting viruses (cucumber mosaic virus, potato virus X, potato virus Y) or a hypersensitive-response-inducing virus (tobacco mosaic virus; TMV) limited to the inoculated leaf. Five reference-gene...
Systemic necrosis is one of the most severe symptoms caused in compatible plant-virus interactions and shares common features with the hypersensitive response (HR). Mitogen-activated protein kinase (MAPK) cascades are associated with responses to compatible and incompatible host-virus interactions. Here, we show that virus-induced gene silencing of the Nicotiana benthamiana MAPK genes salicylic acid-induced...
The Triple Gene Block 1 (TGBp1) protein encoded by the Potato virus X is a multifunctional protein that acts as a suppressor of RNA silencing or facilitates the passage of virus from cell to cell by promoting the plasmodesmata opening. We previously showed that the membrane raft protein StRemorin1.3 is able to impair PVX infection. Here, we show that overexpressed StRemorin1.3 does not impair the...
W 2009 roku w kolekcji Oddziału IHAR w Młochowie znajdowały się 54 diploidalne klony posiadające w swoim pochodzeniu źródła odporności na wirusy ziemniaka. Najważniejszymi gospodarczo wirusami atakującymi rośliny ziemniaka są PVY, PLRV, PVM, PVX i PVS. Źródłami odporności na wirusy ziemniaka są gatunki dzikie ziemniaka, S. stoloniferum (PVY), S. chacoense (PVY, PLRV), S. yungasense (PLRV), S. gourlayi...
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