Publicación: CYCLOPEPTIDE ALKALOIDS FROM DISCARIA CHACAYE (RHAMNACEAE) AS RESULT OF SYMBIOSIS WITH FRANKIA (ACTINOMYCETALES)
Fecha
2022
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CHEMISTRY & BIODIVERSITY
Resumen
CYCLOPEPTIDE ALKALOIDS WITH DIFFERENT BIOLOGICAL ACTIVITIES ARE PRESENT IN PLANTS OF THE FAMILY RHAMNACEAE. PLANTS OF THIS FAMILY GROW IN A SYMBIOTIC RELATIONSHIP WITH AEROBIC GRAM-POSITIVE ACTINOMYCETES BELONGING TO THE GENUS FRANKIA. THIS GOAL OF THIS RESEARCH WAS A STUDY OF THE COMPARATIVE PROFILE OF ALKALOIDS PRESENT IN DISCARIA CHACAYE AND TO ESTABLISH A CONNECTION BETWEEN THE PRESENCE OR ABSENCE OF FRANKIA SP. AND THE ALKALOIDS. IN ADDITION, INSECTICIDAL ACTIVITIES OF THE ALKALOIDAL EXTRACT WERE EXAMINED. A TOTAL OF 24 ALKALOIDS WERE IDENTIFIED, OF WHICH 12 HAVE A BENZYLISOQUINOLINE SKELETON, 9 WERE CYCLOPEPTIDES, 2 ISOQUINOLINES, AND 1 APORPHINE. THE PRESENCE OF CYCLOPEPTIDE ALKALOIDS IS ASSOCIATED WITH FRANKIA NODULES IN THE PLANT ROOT. THE ALKALOID EXTRACTS SHOWED INSECTICIDAL ACTIVITY WITH MORTALITY DOSE-DEPENDENCE AND LD50 VALUES BETWEEN 44 TO 71 ?G/ML.
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RHAMNACEAE., FRANKIA GENUS, DISCARIA CHACAYE, CYCLOPEPTIDE ALKALOIDS, BENZYLISOQUINOLINE ALKALOIDS
