PMID: 9443669Jan 27, 1998Paper

Inhibition of tomato bushy stunt virus infection using a quercetagetin flavonoid isolated from Centaurea rupestris L

Antiviral Research
G RusakN Plese

Abstract

Flower and leaf extracts of Centaurea rupestris L. and also the flavonoid quercetagetin 3'-methylether isolated from these extracts revealed a strong antiviral activity when inoculated simultaneously with tomato bushy stunt virus in two Nicotiana species. Almost complete reduction of local lesion number resulted from these inoculations in N. glutinosa. A similar effect was observed in inoculated leaves of N. megalosiphon causing the absence of systemic infection in 40% of treated plants. The antiphytoviral activity was not a consequence of induced resistance, inhibition of virus multiplication, suppression of symptom development or direct virus inactivation. Results presented in this paper suggest that the flavonoid may interfere with the initiation of virus infection.

References

May 1, 1990·Chemical & Pharmaceutical Bulletin·T NagaiH Yamada
Sep 1, 1989·Antiviral Research·G SpeddingE Middleton
Feb 1, 1989·Antiviral Research·P D NagyI Farkas
Jan 1, 1973·Zentralblatt Für Bakteriologie, Parasitenkunde, Infektionskrankheiten Und Hygiene. Zweite Naturwissenschaftliche Abt.: Allgemeine, Landwirtschaftliche Und Technische Mikrobiologie·V S Verma
Jan 1, 1984·Intervirology·W O Dawson, H Lozoya-Saldana

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Citations

Feb 16, 2013·Food and Environmental Virology·Steven M LipsonRonald E Gordon
Nov 19, 2009·Acta Pharmaceutica : a Quarterly Journal of Croatian Pharmaceutical Society and Slovenian Pharmaceutical Society, Dealing with All Branches of Pharmacy and Allied Sciences·Aysel UgurM Emin Duru
Oct 17, 2013·Chemistry & Biodiversity·Valerija DunkićMirko Ruščić
Oct 4, 2007·Pest Management Science·Jian-Guo ShenQi-Ying Lin
Oct 20, 2012·Journal of Natural Products·Qiu-Fen HuGuang-Yu Yang

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