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Current management of phosphate-bearing resources (mainly rock phosphates, RPs), which in fact are finite non-renewable sources, is quite far from the principles of sustainability and may cause an escalating price increase mainly because of increases in RP-processing costs. One of the most studied approaches in solubilization of insoluble phosphates is the biological treatment of phosphate-bearing materials. In this work, we propose a microbial extraction of phosphate from insoluble inorganic natural sources as a ...