Reciprocal mutations of two multifunctional β-amyrin synthases from Barbarea vulgaris shift α/β-amyrin ratios
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DOI: 10.1093/plphys/kiab545
Abstract: Abstract In the wild cruciferous wintercress (Barbarea vulgaris), β-amyrin-derived saponins are involved in resistance against insect herbivores like the major agricultural pest diamondback moth (Plutella xylostella). Enzymes belonging to the 2,3-oxidosqualene cyclase family have been… read more here.
Keywords: product; oxidosqualene cyclase; amyrin; barbarea vulgaris ... See more keywords
Structural analysis of mixed α- and β-amyrin samples
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DOI: 10.1098/rsos.211787
Abstract: Little is known about the structure and molecular arrangement of α- and β-amyrin, a class of triterpenoids found within the cuticle of higher plants. Blends of both amyrin isomers with different ratios have been studied… read more here.
Keywords: spectroscopy; amyrin; structural analysis; mixed amyrin ... See more keywords
Antibacterial Mode of Action of β-Amyrin Promotes Apoptosis-Like Death in Escherichia coli by Producing Reactive Oxygen Species
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DOI: 10.4014/jmb.2209.09040
Abstract: β-Amyrin is a pentacyclic triterpene widely distributed in leaves and stems worldwide. The ability of β-amyrin to induce the production of reactive oxygen species (ROS) in microorganisms suggests its potential as an antimicrobial agent. Thus,… read more here.
Keywords: mode action; antibacterial mode; amyrin; like death ... See more keywords