The same oleosin isoforms are present in oil bodies of rice embryo and aleurone layer while caleosin exists only in those of the embryo

► Oil bodies of similar sizes were observed in rice embryo and aleurone layer. ► The same oleosin isoforms are present in oil bodies of embryo and aleurone layer. ► Caleosin is present in oil bodies of embryo, but not in those of aleurone layer. ► Rice caleosin possesses an N-terminal appendix compared with sesame caleosin.