.K, ANU, CHIDAMBARESWAREN .M, GAYATHRI .G . S, and MANJULA .S. 2015. “Cloning and Sequence Characterization of a Partial Piper Colubrinum Phytoene Desaturase (PcPDS) Gene Homologue for Virus-Induced Gene Silencing Studies”. Biotechnological Research 1 (1), 113-17. http://br.biomedpress.org/index.php/br/article/view/692.