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Latex from the commercial Hevea brasiliensis contains 30-50% (w/w) of natural rubber (cis-1,4-polyisoprene), the raw material for the many products of the rubber industry. We have constructed a cDNA library from the latex of H. brasiliensis to investigate the expressed genes and molecular events in
Dolichol and natural rubber are representative cis-polyisoprenoids in primary and secondary metabolism, respectively. Their biosynthesis is catalyzed by cis-prenyltransferase (CPT) by sequential condensations of isopentenyl diphosphates (IPPs) to a priming molecule. Although prokaryotic CPTs have
Latex from the dandelion species Taraxacum brevicorniculatum contains many high-value isoprenoid end products, e.g. triterpenes and polyisoprenes such as natural rubber. The isopentenyl pyrophosphate units required as precursors for these isoprenoids are provided by the mevalonate (MVA) pathway. The