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Isolation and detection of taxol, an anticancer drug produced from <i>Lasiodiplodia theobromae</i>, an endophytic fungus of the medicinal plant <i>Morinda citrifolia</i>


M Pandi
RS Kumaran
YK Choi
HJ Kim
J Muthumary

Abstract

To determine the production of taxol from an endophytic fungus, Lasiodiplodia theobromae isolated from the medicinal plant Morinda citrifolia and also, to evaluate its cytotoxicity against human breast cancer cell line, taxol produced by the test fungus in MID culture medium was isolated for its characterization. The presence of taxol was confirmed by different chromatographic and spectroscopic analyses. The quantity of taxol produced by the fungus was calculated and estimated to be 245 μg/l. The fungal taxol was tested for its bioactivity against human cancer cell line (MCF-7) and the results showed that, the taxol possessed anticancer activity. The production of taxol was achieved from an endophytic fungus, L. theobromae. The screened taxol showed a potential toxicity against breast cancer cell lines. Fungal based production of taxol from an endophytic fungus would be the most desirable and alternate source of supply. This study proved that the fungal endophyte L. theobromae is an excellent candidate for an alternate source of taxol supply. Confirmations of the in vitro activity of taxol against human breast cancer cell lines should encourage further research. Furthermore, it is the first report of the screening of taxol from the fungus L. theobromae, isolated from the medicinal plant M. citrifolia.

Key words: Endophytic fungus, Lasiodiplodia theobromae, anticancer drug, taxol production, cytotoxicity test.


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eISSN: 1684-5315