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Corchorus L. and Hibiscus L.: Molecular Phylogeny Helps to Understand Their Relative Evolution and Dispersal Routes

Arif Mohammad Tanmoy1, Md. Maksudul Alam1,2, Mahdi Muhammad Moosa1,3, Ajit Ghosh1,4, Waise Quarni1,5, Farzana Ahmed1, Nazia Rifat Zaman1, Sazia Sharmin1,6, Md. Tariqul Islam1, Md. Shahidul Islam1,7, Kawsar Hossain1, Rajib Ahmed1 and Haseena Khan1*

1Molecular Biology Lab, Department of Biochemistry and Molecular Biology, University of Dhaka, Dhaka 1000, Bangladesh. 2Department of Molecular and Cell Biology, Center for Systems Biology, University of Texas at Dallas, Richardson, TX 75080, USA. 3Graduate Studies in Biological Sciences, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA. 4Plant Molecular Biology, International Centre for Genetic Engineering and Biotechnology, Aruna Asaf Ali Marg, New Delhi 110067, India. 5Department of Pathology and Cell Biology, University of South Florida, 12901 Bruce B. Downs Blvd., Tampa, FL 33612, USA. 6Department of Kidney Development, Institute of Molecular Embryology and Genetics, Kumamoto University, 2-2-1 Honjo, Kumamoto 860-0811, Japan. 7Breeding Division, Bangladesh Jute Research Institute (BJRI), Dhaka 1207, Bangladesh.

ABSTRACT: Members of the genera Corchorus L. and Hibiscus L. are excellent sources of natural fibers and becoming much important in recent times due to an increasing concern to make the world greener. The aim of this study has been to describe the molecular phylogenetic relationships among the important members of these two genera as well as to know their relative dispersal throughout the world. Monophyly of Corchorus L. is evident from our study, whereas paraphyletic occurrences have been identified in case of Hibiscus L. Although C. olitorius is assumed to be originated from Africa and C. capsularis from Indian subcontinent, our study found both to be related through maternal inheritance. This prompted us to put forward a hypothesis with archeological support to explain the dispersal routes of migration of these two Corchorus species. Similar migratory occurrences may also be true for Hibiscus L.

KEYWORDS: Corchorus L., Hibiscus L., phylogenetic relationships, dispersal routes.

CORRESPONDENCE: haseena@du.ac.bd

 
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