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Full-Text Articles in Physical Sciences and Mathematics
Enzymes From Fungal And Plant Origin Required For Chemical Diversification Of Insecticidal Loline Alkaloids In Grass-Epichloë Symbiota, Juan Pan, Minakshi Bhardwaj, Padmaja Nagabhyru, Robert B. Grossman, Christopher L. Schardl
Enzymes From Fungal And Plant Origin Required For Chemical Diversification Of Insecticidal Loline Alkaloids In Grass-Epichloë Symbiota, Juan Pan, Minakshi Bhardwaj, Padmaja Nagabhyru, Robert B. Grossman, Christopher L. Schardl
Chemistry Faculty Publications
The lolines are a class of bioprotective alkaloids that are produced by Epichloë species, fungal endophytes of grasses. These alkaloids are saturated 1-aminopyrrolizidines with a C2 to C7 ether bridge, and are structurally differentiated by the various modifications of the 1-amino group: -NH2 (norloline), -NHCH3 (loline), -N(CH3)2 (N-methylloline), -N(CH3)Ac (N-acetylloline), -NHAc (N-acetylnorloline), and -N(CH3)CHO (N-formylloline). Other than the LolP cytochrome P450, which is required for conversion of N-methylloline to N-formylloline, the enzymatic steps for loline diversification have not yet been established. …