A negative element in the downstream region of the Rice tungro bacilliform virus promoter is orientation- and position-independent and is active with heterologous promoters.
Purkayastha A, Sharma S, Dasgupta I. A negative element in the downstream region of the Rice tungro bacilliform virus promoter is orientation- and position-independent and is active with heterologous promoters. Virus Res. 2010 Oct; 153(1):166-71.