کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
2836734 | 1570872 | 2007 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Tomato spotted wilt virus triggers specific and shared defense mechanisms in hypersensitive and susceptible Solanaceae hosts
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
علوم کشاورزی و بیولوژیک
دانش گیاه شناسی
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
In situ and in vitro techniques were employed to investigate the metabolic changes caused by Tomato spotted wilt virus in hypersensitive and susceptible hosts; Petunia hybrida and Nicotiana tabacum, respectively. In petunia, H2O2 accumulation preceded increased peroxidase and shikimate dehydrogenase activity at local lesion sites. In systemic tobacco plants, peroxidase activity was induced prior to symptom onset and the activity of shikimate dehydrogenase was disrupted upon viral infection. Taken together, our data suggest that reactive oxygen species-based mechanisms of defense are shared by hypersensitive and susceptible hosts, although downstream components and regulatory mechanisms are distinct.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physiological and Molecular Plant Pathology - Volume 70, Issues 4–6, April–June 2007, Pages 189–197
Journal: Physiological and Molecular Plant Pathology - Volume 70, Issues 4–6, April–June 2007, Pages 189–197
نویسندگان
Vera Quecini, Mário L. Lopes, Flávia T.H. Pacheco, Maria das G. Ongarelli,