A novel biodegradable material,Se@PLA,was designed and prepared via the selenization reaction of polylactic acid using NaHSe as the selenization reagent.This material shows excellent antibacterial activity(EC_(5)0=13...A novel biodegradable material,Se@PLA,was designed and prepared via the selenization reaction of polylactic acid using NaHSe as the selenization reagent.This material shows excellent antibacterial activity(EC_(5)0=13.38μg/mL)against Xanthomonas oryzae pv.Oryzae,which is a highly destructive pathogen responsible for rice bacterial blight.Se@PLA induces oxidative stress in bacteria,leading to the rupture of bacterial cell membranes and eventual death.Moreover,Se@PLA can significantly inhibit the motility of bacteria and is low toxic to soil and aquatic organisms.This work provides an effective method for preventing and controlling rice bacterial blight,and reveals the great potential of using Se@PLA as an alternative next generation plant bactericide.展开更多
基金National Key Research and Development Program of China(No.2018YFD0200100)the fund of the joint-laboratory of Shanghai Dingya Pharmaceutical Chemical Technology Co.,Ltd.with Yangzhou University(2022–2027)+1 种基金the Yangzhou City and Yangzhou University Cooperation Program(No.YZ2023209)the Priority Academic Program Development of Jiangsu Higher Education Institutions for support。
文摘A novel biodegradable material,Se@PLA,was designed and prepared via the selenization reaction of polylactic acid using NaHSe as the selenization reagent.This material shows excellent antibacterial activity(EC_(5)0=13.38μg/mL)against Xanthomonas oryzae pv.Oryzae,which is a highly destructive pathogen responsible for rice bacterial blight.Se@PLA induces oxidative stress in bacteria,leading to the rupture of bacterial cell membranes and eventual death.Moreover,Se@PLA can significantly inhibit the motility of bacteria and is low toxic to soil and aquatic organisms.This work provides an effective method for preventing and controlling rice bacterial blight,and reveals the great potential of using Se@PLA as an alternative next generation plant bactericide.
