The rupee depreciated by 15 paise against the dollar in early trade on Thursday due to demand for the US currency from importers.At the Interbank Foreign Exchange market, the domestic unit was quoted 15 paise lower at 47.30 a dollar in early trade.The rupee had closed higher by 19 paise at 47.15/16 a dollar in the previous session.Dealers said demand for the US dollar from importers and weakness in equity markets weighed on the rupee.