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Biochem Soc Trans. 2018 Apr 17;46(2):483-490. doi: 10.1042/BST20170262.

Modelling phosphorus uptake in microalgae.

Author information

1
Institute for Quantitative and Theoretical Biology, Heinrich Heine University, 40225 Düsseldorf, Germany.
2
Institute of Bio- and Geosciences/Plant Sciences (IBG-2) and Bioeconomy Science Center (BioSC), Forschungszentrum Jülich, 52425 Jülich, Germany.
3
Institute for Quantitative and Theoretical Biology, Heinrich Heine University, 40225 Düsseldorf, Germany oliver.ebenhoeh@hhu.de.
4
Cluster of Excellence on Plant Sciences (CEPLAS), Heinrich Heine University, 40225 Düsseldorf, Germany.

Abstract

Phosphorus (P) is an essential non-renewable nutrient that frequently limits plant growth. It is the foundation of modern agriculture and, to a large extent, demand for P is met from phosphate rock deposits which are limited and becoming increasingly scarce. Adding an extra stroke to this already desolate picture is the fact that a high percentage of P, through agricultural runoff and waste, makes its way into rivers and oceans leading to eutrophication and collapse of ecosystems. Therefore, there is a critical need to practise P recovery from waste and establish a circular economy applicable to P resources. The potential of microalgae to uptake large quantities of P and use of this P enriched algal biomass as biofertiliser has been regarded as a promising way to redirect P from wastewater to the field. This also makes the study of molecular mechanisms underlying P uptake and storage in microalgae of great interest. In the present paper, we review phosphate models, which express the growth rate as a function of intra- and extracellular phosphorus content for better understanding of phosphate uptake and dynamics of phosphate pools.

KEYWORDS:

biological models; inorganic polyphosphates; phosphate; plant biology

PMID:
29666218
DOI:
10.1042/BST20170262
[Indexed for MEDLINE]

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