Chinese Bulletin of Botany ›› 2011, Vol. 46 ›› Issue (5): 552-559.DOI: 10.3724/SP.J.1259.2011.00552
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Jin Wang, Li Qi, Zhengzhu Zhang*
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Abstract: We tested the antifungal activities of 7 free-form tea aroma components (cis-3-hexenol, linalool oxides, linalool, methyl salicylate, geraniol, benzyl alcohol and phenylethanol) and glycosidical aroma precursors against Gloeosporium theae-sinensis Miyak, Colletotrichum camelliae Masse, Pestalotiopsis theae Sawada and Phyllosticta theicola Petch. We also investigated the differential gene expression of tea endogenous β-primeverosidase, β-xylosidase, β-glucosidase I, β-glucosidase II and β-glucosyltransferase induced by pathogenic fungi infection. The 7 free-form aroma components and glycosidical aroma precursors conferred antifungal activities against 4 pathogenic fungi. Geraniol showed the strongest activity, and its inhibition rate to G. theae-sinensis Miyak was 100% at 0.1 mg·mL–1. Real-time quantitative PCR revealed that pathogenic fungi infection promoted the expression of endogenous glycosidases and β-glucosyltransferase differently and that promotion usually occurred with slight infection.
Jin Wang, Li Qi, Zhengzhu Zhang. Differential Gene Expression of Endogenous Glycosidases Induced by Pathogenic Fungi Infection in Leaves of Camellia sinensis[J]. Chinese Bulletin of Botany, 2011, 46(5): 552-559.
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URL: https://www.chinbullbotany.com/EN/10.3724/SP.J.1259.2011.00552
https://www.chinbullbotany.com/EN/Y2011/V46/I5/552