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Wyszukujesz frazę "viral suppressor" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Optimization of transient Agrobacterium-mediated gene expression system in leaves of Nicotiana benthamiana
Autorzy:
Wydro, Mateusz
Kozubek, Edward
Lehmann, Przemysław
Powiązania:
https://bibliotekanauki.pl/articles/1041239.pdf
Data publikacji:
2006
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
RNA silencing
Nicotiana benthamiana
viral suppressor
Agrobacterium-mediated transient expression
Opis:
Here we report on a simple and reproducible system of Agrobacterium-mediated transient gene expression assay that utilizes infiltration of young Nicotiana benthamiana leaves. Although some of the phenomena described in this paper have been already reported by other researchers, here we have further developed them. The highest level of transient gfp gene expression was detected in the youngest leaves of N. benthamiana infiltrated with A. tumefaciens strains AGL0 and EHA105 precultured in the presence of 450-600 µM acetosyringone. Although the maximum level of transient gfp gene expression was restricted presumably by RNA silencing, it was completely suppressed in the presence of the viral protein HC-Pro. The transient expression system described here can be used to identify new viral suppressors of RNA silencing, for detailed analysis of unidentified genes and for industrial production of proteins in plants as well.
Źródło:
Acta Biochimica Polonica; 2006, 53, 2; 289-298
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Structural analyses of AC4 protein of Sri Lankan cassava mosaic virus
Autorzy:
Gupta, S.
Ganguli, S.
Basu, P.
Datta, A.
Powiązania:
https://bibliotekanauki.pl/articles/11568.pdf
Data publikacji:
2015
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
structural analysis
AC4 protein
cassava mosaic virus
RNA silencing
viral infection
viral suppressor
geminivirus
post transcriptional gene silencing
Opis:
RNA silencing is one of the important phenomenon in plant defense mechanism, it actively protect host plants against viral infections. Existing viruses must have developed counter defense strategies to survive this arms race. Such counter defense strategy is the viral silencing suppressor (VSRs) which have been reported to directly interfere with the various steps leading to the interference of viral RNAs. Most identified VSRs are multifunctional, besides being RNA-silencing suppressors, they often perform essential roles by functioning as coat proteins, helper components for viral transmission, replicases and movement proteins, proteases or transcriptional regulators. One such identified VSR is AC4 of Sri Lankan cassava mosaic virus strain. Trivial knowledge about the structure –function relationship of this VSR leads to this work, where we focus on the structure generation by modelling to identify the mode of interactions with the various effector molecules of the silencing pathways. Structural analyses have been performed to screen interacting residues. Results indicate conserved structural features which signify propensity of functional interactions and further shows that this VSR can be a potent tool for the analysis of RNA silencing mechanisms and the relationships between different silencing pathways and VSRs.
Źródło:
International Letters of Natural Sciences; 2015, 06
2300-9675
Pojawia się w:
International Letters of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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