Composition of the endophytic filamentous fungi associated with Cinchona ledgeriana seeds and production of Cinchona alkaloids
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Four kinds of endophytic filamentous fungi (code names: CLS-1, CLS-2, CLS-3, and CLS-4) associated with the seeds of Cinchona ledgeriana (Rubiaceae) from West Java, Indonesia, were isolated. All of the isolates were classified into Diaporthe spp. based on phylogenetic analysis of the nucleotide sequences of the internal transcribed spacers (ITS1 and ITS2) including the 5.8S ribosomal DNA region. All four of these endophytic fungi produce Cinchona alkaloids, mainly quinine and quinidine, in synthetic liquid medium.
KeywordsEndophytic filamentous fungus Cinchona alkaloid Cinchona ledgeriana Quinine Quinidine
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