Native polyubiquitin promoter of rice provides increased constitutive expression in stable transgenic rice plants - Jagannath Bhattacharyya; Asif Hasan Chowdhury; Samarjit Ray; Jyoti Krishna Jha; Srirupa Das; Srimonta Gayen; Anirban Chakraborty; Joy Mitra; Mrinal K. Maiti; Asitava Basu; Soumitra K. Sen (Plant Cell Reports, 2012)