R M Redwan1, A Saidin2, S V Kumar3. 1. Biotechnology Research Institute, Universiti Malaysia Sabah, Jalan UMS, 88400, Kota Kinabalu, Sabah, Malaysia. 2. Novocraft Technology Sdn. Bhd, Two Square, Seksyen 19, Petaling Jaya, Selangor, Malaysia. 3. Biotechnology Research Institute, Universiti Malaysia Sabah, Jalan UMS, 88400, Kota Kinabalu, Sabah, Malaysia. vijay@ums.edu.my.