ABSTRACT Entomopathogenic Photorhabdus bacteria (Enterobacteriaceae: Gamma-proteobacteria). the natural symbionts of Heterorhabditis nematodes. are a rich source for the discovery of biologically active secondary metabolites (SMs). This study describes the isolation of three nematicidal SMs from in vitro culture supernatants of the Arizona-native Photorhabdus luminescens sonorensis st... https://www.ealisboa.com/limited-value-AXYS-Valhalla-Pen-must-buy/