Rhizoferrin is a siderophore, which can be isolated from Rhizopus microsporus. Rhizoferrin binds iron ions with high affinity, and can be used as an effective iron source.
References:
[1]. Zehava Y, et al., Remedy of chlorosis induced by iron deficiency in plants with the fungal siderophore rhizoferrin. Journal of Plant Nutrition 2000.
















