Abstract Background The ability of plant growth-promoting rhizobacteria (PGPR) to alleviate iron deficiency-induced chlorosis in plants has been widely reported. but the role of siderophores in the re-greening process has rarely been investigated. In this study. the Priestia megaterium ZS-3 (ZS-3) siderophore was first characterized. https://www.roneverhart.com/HP-Pavilion-15-eg1053cl-15-6-FHD-Touch-Intel-Core-i5-1235U-3-30-GHz-Intel-Iris-Xe-Graphics-12-GB-DDR4-RAM-512-GB-SSD-/