Аннотация:AbstractPhosphorus (P) is central to storing and transfer of energy and information inliving cell including that of microalgae. Microalgae mostly dwell in low-P environments, so theyare naturally equipped to take up and store P whenever it becomes available through acomplex phenomenon known as ‘luxury P uptake.’ Knowing its mechanisms is a key tounderstanding of nutrient-driven rearrangements in natural microbial communities, control ofindustrial algal cultivation, and sustainable usage of P by its recycling from wastewater intobiofertilizers. Here, we report on recent insights in luxury P uptake and polyphosphateformation originating from physiological, ultrastructural, and transcriptomic evidence obtainedfor the model chlorophyte Chlorella vulgaris IPPAS C-1.