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Since antiquity, Piper betel Linn (betel vine; family Piperaceae) has been an important medicinal agent in the various traditional and folk systems of medicine in Southeast Asia countries. The leaves are the most valued plant part and in the past were routinely used as a chewing agent to prevent
Manduca sexta (Ms) larvae are known to efficiently excrete ingested nicotine when feeding on their nicotine-producing native hostplant, Nicotiana attenuata. Here we describe how ingested nicotine is co-opted for larval defense by a unique mechanism. Plant-mediated RNAi was used to silence a
OBJECTIVE
Mouthwashes are frequently used to treat oral discomfort, halitosis or superficial infections. Adverse effects of mouthwash use are recognized, e.g. mucosal peeling and stomatitis. In addition, mouthwashes have been accused of causing oral cancer. The aim of this study was to analyse the