{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["McKay Fletcher DM"],"funding":["European Research Council","Natural Environment Research Council","Biotechnology and Biological Sciences Research Council","Engineering and Physical Sciences Research Council"],"pagination":["69-89"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC8550755"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["461(1-2)"],"pubmed_abstract":["<h4>Aims</h4>Organic acid exudation by plant roots is thought to promote phosphate (P) solubilisation and bioavailability in soils with poorly available nutrients. Here we describe a new combined experimental (microdialysis) and modelling approach to quantify citrate-enhanced P desorption and its importance for root P uptake.<h4>Methods</h4>To mimic the rhizosphere, microdialysis probes were placed in soil and perfused with citrate solutions (0.1, 1.0 and 10 mM) and the amount of P recovered from soil used to quantify rhizosphere P availability. Parameters in a mathematical model describing probe P uptake, citrate exudation, P movement and citrate-enhanced desorption were fit to the experimental data. These parameters were used in a model of a root which exuded citrate and absorbed P. The "],"journal":["Plant and soil"],"pubmed_title":["Quantifying citrate-enhanced phosphate root uptake using microdialysis."],"pmcid":["PMC8550755"],"funding_grant_id":["BB/L025620/1","BB/L025620/1, BB/P004180/1","646809","1636114","BB/P004180/1","EP/M020355/1","NE/L00237/1","NE/K01093X/1","BB/I024283/1"],"pubmed_authors":["Jones DL","Roose T","Shaw R","van Veelen A","McKay Fletcher DM","Sanchez-Rodriguez AR","Daly KR"],"additional_accession":[]},"is_claimable":false,"name":"Quantifying citrate-enhanced phosphate root uptake using microdialysis.","description":"<h4>Aims</h4>Organic acid exudation by plant roots is thought to promote phosphate (P) solubilisation and bioavailability in soils with poorly available nutrients. Here we describe a new combined experimental (microdialysis) and modelling approach to quantify citrate-enhanced P desorption and its importance for root P uptake.<h4>Methods</h4>To mimic the rhizosphere, microdialysis probes were placed in soil and perfused with citrate solutions (0.1, 1.0 and 10 mM) and the amount of P recovered from soil used to quantify rhizosphere P availability. Parameters in a mathematical model describing probe P uptake, citrate exudation, P movement and citrate-enhanced desorption were fit to the experimental data. These parameters were used in a model of a root which exuded citrate and absorbed P. The ","dates":{"release":"2021-01-01T00:00:00Z","publication":"2021","modification":"2026-05-08T17:13:17.207Z","creation":"2022-02-11T12:26:00.538Z"},"accession":"S-EPMC8550755","cross_references":{"pubmed":["34720207"],"doi":["10.1007/s11104-019-04376-4"]}}